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2. LOW BACKACHE


About The Author
Dr Manoj R. kandoi is the founder president of “Institute of Arthritis Care & Prevention”
an NGO involved in the field of patient education regarding arthritis. Besides providing
literature to patient & conducting symposiums, the institute is also engaged in creating
patients “Self Help Group” at every district level. The institute also conducts a certificate
course for healthcare professionals & provide fellowship to experts in the field of arthritis.
The author has many publications to his credit in various journals. He has also written a
 book “ The Basics Of Arthritis” for healthcare professionals.
The author can be contacted at:
Dr manoj R. kandoi
C-202/203 Navare Arcade
Shiv Mandir Road, Opposite Dena Bank
Shiv mandir Road, Opposite Dena bank
Shivaji Chawk, Ambarnath(E) Dist: Thane Pin:421501
State: Maharashtra Ph: (0251)2602404 Country: India
Membership Application forms of the IACR for patients & healthcare professionals
can be obtained from.

Institute of Arthritis Care & Prevention
C/o Ashirwad Hospital
Almas mension, SVP Road, New Colony,
Ambarnath(W) Pin:421501 Dist: Thane
State: Maharashtra Country: India
Ph: (0251) 2681457 Fax: (0251)2680020
Mobile ;9822031683
Email: drkandoi@yahoo.co.in

CONTENT
2.1 ANATOMY

2.2 EPIDEMIOLOGY

2.3 CLASSIFICATION OF LOW BACKACHE

2.4 CLINICAL EXAMINATION

2.5 DIAGNOSTIC STUDIES

2.6 EVALUATION OF SYMPTOMS IN PATIENTS WITH LOW BACKACHE

2.7 CONSERVATIVE MODALITY OF TREATMENT OF LOW BACKPAIN

2.8 CLINICAL APPROACH IN MANAGEMENT OF LOW BACKACHE

2.9 COCCYGODYNIA

2.10 RADIOGRAPHIC APPROACH TO LOW BACKACHE
2.1 ANATOMY :
In the adult the inter-vertebral disc is composed of the annulus fibrosus and the nucleus pulposus.
The annulus fibrosus is composed of numerous concentric rings of fibro-cartilaginous tissue. The
rings are thicker anteriorly than posteriorly. The nucleus pulposus, a gelatinous material forms the
center of the disc. The disc proper is separated from the vertebral body by hyaline cartilage plate.
The intervertebral discs in adults receive nutrition through two routes (a) the bidirectional flow from
vertebral body to disc & from disc to vertebral body, and (a) the diffusion through the annulus from
blood vessels on its surface.
Weight is transmitted to the nucleus through the hyaline cartilage plate, Because of this axial loading
the nucleus pulposus is under considerable pressure & disc tangential load is absorbed by annulus
fibrosus.




2.2 EPIDEMIOLOGY :
Back pain has now appeared as a modern international epidemic. Up to 80% of the population is
affected by this symptom at some point of time.
Risk Factors:
     1. Cigarette smokers & with greater tobacco consumption
     2. Type I personality
     3. Patients taller than 181 cm
     4. Patients with slightly higher body weight
     5. Multiple pregnancies.
     6. Jobs requiring heavy and repetitive lifting
2.3 CLASSIFICATION OF LOW BACKACHE :
     1. Psychogenic back pain (Nonorganic Spinal pain)
     2. Viscerogenic back pain
     3. Neurogenic back pain
     4. Vascular back pain
     5. Spondylogenic back pain.
     6. Endocrine / metabolic
1. Non-organic spinal pain: These groups of disorders include
     I. Psychosomatic spine pain
        a. Tension syndrome (fibrositis)
    II. Psychogenic Spinal pain
   III. Situational spinal pain
        a. Litigation reaction
        b. Exaggeration reaction.
Index 2.1
 Organic Spinal Pain                                        Non-Organic Spinal Pain

 Well localized & usually mechanical pain                 - Multifocal & nonmechanical pain
 No superficial tenderness                                - Superficial tenderness
 SLR reduced in cases of PID                               - SLR may be normal
 Lasegue test +ve in PID                                   - Lasegue test +ve
 Flip test: painful                                        - Flip test: not painful
Flip Test: Normally in a case of prolapsed intervertebral disc, SLR is reduced which can also be
cheeked with patient in sitting position with knee extended. If true root Lesion were patient, one
patient would “flip” back on sitting SLR testing. A patient with non-organic spinal pain may show
reduced SLR in supine position, it that will be normal on Flip test.
2. Spondylogenic Back Pain:
A. Osseous Lesions:
 I. Trauma: These can be
        1. Compression in an osteoporotic spine
        2. Fracture of vertebral appendices
        3. Fracture of vertebral body following high-energy trauma.
Causes of pain:
        I. Nonunion of fracture
       II. Misalignment of spine
      III. Spinal instability
      IV. Compression of nerve or spinal cord




II. Infection: Infections involving the vertebral column include
a. Vertebral osteomyelitis:
     Pyogenic
     Tuberculous
     Miscellaneous.
b. Intervertebral disc Infection.
c. Intervertebral disc inflammation.
The infection is characterized by restriction of range of motion, paraspinal muscle spasm, localized
tenderness, sometimes associated paraspinal mass or abscess. The offending organism can be
identified by blood culture or a vertebral biopsy and culture.
III. Neoplasm:        - Benign Tumours       - Anterior column (Haemangioma & eosinophilic
                                               granuloma)
                                             - Posterior column (Giant cell tumor, osteod osteoma)
                      - Malignant Tumours - Primary usually involve vertebral body
                                             - Secondary metastasis. Lymphoma & Leukemia
The diagnosis of these tumors is largely dependent on x-rays.
IV) Metabolic Bone Diseases: These include osteofibrosis, osteopetrosis, alkcaptonuria , familial
hypophosphataemia etc but the metabolic bone problem most commonly presenting with low back
pain is osteoporosis.
V) Spondylolisthesis: Spondylolisthesis is due to forward displacement of one vertebra over other. It
may be because of traumatic, congenital, dysplastic, degenerative etiology. Cause of pain includes
mechanical derangement including spinal instability, neuropathy (compression of nerve root)
myelopathy (compression of spinal card) & pain arising from defect site at pars interarticularis.
VI) Sacroiliac Joint Strain: More common after repeated pregnancies.
Clinically characterized by tenderness over lower third of the sacroiliac joint below the posterior
inferior iliac spine and positive pelvic compression test.
VII) Ankylosing Spondylitis
B) Soft Tissue Lesions:
     I. Myofascial sprains or strains.
    II. Fibrositis (Fibromyalgia) and myofascial pain syndrome.
   III. Disc Degeneration: These pain in general is aggravated by general and specific activities & is
        relieved, to some extend be recumbency.




3. Viscerogenic Back Pain: It is derived from disorders of the kidneys or the pelvic viscera, from
the lesser sac, & from retroperitoneal tumors. These are usually associated with other symptoms of
visceral involvement. The pain is not aggravated by activity, nor is it relieved by rest. It includes:
A. Pelvic Disorders:
     a) Pelvic inflammatory disease
     b) Endometriosis
     c) Torsion of a mass, cyst or fibroid
     d) Prostatitis
     e) Cystitis.
B Abdominal Disorders:
     a) Peptic ulcer
     b) Pancreatitis.
4. Vascular Back Pain: These include
A. Abdominal aortic aneurysm (Atherosclerotic or inflammatory)
     I. Rupture
    II. Erosion of surrounding structures
   III. Dissection
B. Epidural Hematoma
C. Sickle cell disease
D. Insufficiency of superior gluteal artery
E. Intermittent claudication.
Abdominal aneurysm presents as a boring type of deep seated lumbar pain unrelated to activity.
Insufficiency of the superior gluteal artery may give rise to buttock pain of a claudicant character,
aggravated by walking, relieved by standing still. Intermittent claudication caused by peripheral
vascular disease can mimic sciatic pain, but usually can be easily distinguished by the fact, pain
aggravated by walking is relieved immediately by standing still.
Difference between neurological and vascular claudication :
Neurological claudication                          Vascular claudication
Vague heaviness, cramping pain.                    Sharp, cramping pain.
It is aggravated by walking and sometimes by Aggravated by walking.
standing.
May radiate usually proximal to distal after Rare after onset.
onset.
Relieved only in flexed position of spine such as Relieved with rest even with standing position.
lying down or sitting down.
Relief is slow takes many minutes.                 Relief is faster.
Pulses present.                                    Absent pulses and other trophical changes.
Neurological symptoms and SLR positive.            Absent.
5. Neurogenic back pain: Intradural & extradural tumors & cyst may mimic symptoms produced
the day & history of night pain may be there. Diagnosis is mainly on M. R .I.
6. Endocrine / Metabolic:
    a. Osteoporosis
    b. Paget’s disease
    c. Diabetes.
    d. Hypothyroidism
    e. Hyperthyroidism
    f. Hyperparthyroidism

2.4 CLINICAL EXAMINATION :
History
Age: Adolescents: - Postural
                      - Traumatic
                      - Infective.
      Adults:         - Ankylosing spondylitis
                      -PID
   Elderly persons: - Degenerative arthritis
                      - Osteoporosis
                      - Secondary matastasis
Sex: Back pain is slightly more common in women due to lack of exercise, nutritional osteomalacia,
multiple pregnancies.
Sex incidence of painful back conditions :
Commonly in males                        Commonly in females
Spondytoarthropathies                    Osteoporosis
Work related mechanic backache Fibromyalgic
Tuberculosis                             Polymyalgic rheumatica
Neoplasms                                Hyperparathyroidism
Paget’s disease
Peptic ulcer
Retroperiteneal fibrosis
Occupation: Back pain is common in surgeons, dentists, truck drivers etc.
Past History: Past history of trauma, tuberculosis etc
Pain: Site: Lumbar spine; - P I D
                              - Degenerative spondylosis
             D L spine        - Infection
                             - trauma
            Onset :           - acute, subacute, chronic
      Progress of pain : - pain of infection & tumor tends to be progressive, pain of
                               arthritis & spondylitis is constant, pain of disc prolapse & trauma may
                               decrease over time.
Relieving & Aggravating Factors: Most back pains are worsened by activity relieved by rest
especially in arthritis. Pain due to inflammatory spondyloarthropathy is more at rest & may initially
improve with activity.
Osteod osteoma is associated with severe pain at night that responds to aspirin. Patient with spinal
canal stenosis will complain of pain on walking & standing relieved by sitting, stooping forwards.
Associated Symptoms:
    1. Stiffness: It is seen in inflammatory arthropathies.
    2. Fever or chills: It suggests possibility of infection
    3. Weight loss, chronic cough, change in bowel habits, night pain, other constitutional
        symptoms may be seen in malignancy.
    4. Pain in other joints: e.g. in seronegative spondyloarthropathies or endocrine disorders.
    5. Fatigue or sleep disturbances: fibromyalgia should be ruled out
Differential diagnosis of ankylosing spondylitis with other causes of backache :
                                     Ankylosing spondylisis            Backache due to other causes
Morning stiffness                    >30minutes                        <15 minutes
Rest                                 Aggravates pain and stiffness     Relieves pain
Physical activity                    Relieves pain                     Increases pain
Restriction of joint motion          Restricted pain in all directions Only in some direction
Neurological Symptoms: Weakness, paraesthesia or numbness in dermatomal distribution points to
possible nerve root impingement & the level of impingement. Commonest cause is P I D (in age
group of 20-50 years) & tuberculosis.
L 3-4 disc affects the L 4 nerve root, L 4-5 disc affects L 5 nerve root & L 5-S1 affects the S1 nerve
root.
The other cause of neurological symptoms is neoplasm.
Presence of bladder / bowel involvement suggest cauda equina syndrome requiring immediate
investigations & further management.
Physical Examination: The patient should be stripped to undergarments
A. Patient Standing:




1. Alignment of spine: normally a person stands erect with the center of occiput in the line with the
    natal cleft.
     Pelvic tilt may suggest paravertebral spasm
     Loss of lumbar lordosis suggest spasm or ankylosis
     Structural scoliosis.
2. Evaluate:
     Gait
     Station
     Posture
 3. Range of motion: It is restricted in organic diseases .of the spine.
4. Swelling: Cold abscess may suggest TB
5. Localized tenderness may suggest trauma
     Twist Tenderness: On rotating the 2 spinous processes over each other suggest P I D or local
       infection.
     Tenderness at SI joint
B. Patient Supine
    1. Straight leg raising (SLR): it is indication of nerve root impingement.
    2. Neurological examination
    3. Peripheral pulse.
    4. Adjacent Joints: Hips & SI joint
    5. Chest expansion
    6. Abdominal, rectal or per vaginal examination if required.




C. Patient Prone
- Femoral stretch test (extending the hip) may be positive in L4 radiculopathy : This test detects
L234 disc prolapse. The femoral nerve is stretched by extending the hip by 150 with patient in prone
position. Now the knee is slowly flexed to further stretch the femoral nerve. Pain radiating to the
anterior thigh is suggestive of radiculopathy. Depending upon the dermatome of pain radiation,
exact nerve can be identified.
- Palpate bony tenderness & trigger points, nodules.
POSITIVE FEMORAL STRETCH TEST

NEUROLOGICAL EXAMINATION :
Neurological examination :
Nerve tension tests :
These tests are for checking nerve root compression of femoral or sciatic nerve. Femoral nerve
(formed of L2,3 and L4 nerve roots) runs along the anetomedial aspect of the thigh and sciatic nerve
(formed of L4,5 S1,2 and 3 nerve roots) runs along the posterior aspect of thigh.
Straight leg rising test : (SLRT)
Principle : Normally while doing SLRT during the first 0 to 300 the slack nerve roots become taut
but there is no tension. Between 30 to 700 the sciatic nerve root stretches over the intervertebral disc.
Above 700, there is no further deformation of the root and pain may be because of SI joint strain or
nerve root compression beyond the spine. The sciatica due to PID is therefore positive between 30 to
700. Upto 300 pain maybe due to hamstring tightness, which can be differentiated by Laseque’s test.
Method :
Position : Patient lies in supine position with the head and the pelvis flat.
Procedure : It is a passive test and each leg is tested one by one. With knee in full extension, one
limb is progressively elevated until maximal hip flexion is reached or patient develops radiating pain.
The angle formed by the lower limb and the examination cot is noted. The test is considered positive
if there is back pain radiating along the course of sciatic nerve below the knee.
Alternative method : Patient sits at the end of the table with spine erect and the legs hanging at the
edge from the knees. The affected side leg is extended suddenly with patient supporting himself
with both hands on the table. In case of sciatic root impingement, patient will develop radiating pain
and low backache.
Laseque test : This test is performed after SLR by lowering the affected leg by few degrees from
the point of pain and then dorsiflexing ankle. This maneuver again deforms the sciatic nerve.
Positive test strengthens the diagnosis of sciatica.
Reverse SLR test : It is performed by plantar flexing rather than dorsiflexing the foot, positive test
is suggestive of malingering.
Crossed SLR test : This is performed on the side opposite that of the sciatica. If this maneuver
reproduces or exacerbates the patient’s other side sciatica, the result is considered to be extremely
sensitive and specific for herniated L4,5 or L5 S1 disk. This test is usually seen in large disc
herniation and is also known as well leg raising test of Faserstanzn’s.
Lateral flexion test of spine : With the patient in standing or supine position, ask the patient to
acutely flex the spine laterally on the affected side. Due to approximation and stretching of root to
the protruded disc from lateral sides, the patient will feel a catching pain. If symptoms are produced
on flexing the spine on the opposite side, it is suggestive of pressure on the root from the medial side.
Bowstring sign : In this method, SLRT test is performed to reproduce pain. The knee is then
flexed to 900 and digital pressure is applied over the posterior aspect of sciatic nerve. If it reproduces
the pain it is suggestive of sciatica.
Cox sign : In this method the patient is asked to raise pelvis from the table rather than hip flexing.
This test is suggestive of intervertebral foraminal prolapse of intervertebral disc.
Lewing punch test : Here the patient is in standing position, the patient’s buttock on the affected
side is precussed to reproduce pain of sciatica. Positive test is suggestive of a protruded disc.
Valsalva’s maneuver : In this maneuver, patient is asked to bear down as if attempting to have a
bowel movement, which increases the intrathecal pressure thereby exacerbating pain of nerve root
stretching.
Hoover’s test : It is done along with active straight leg rising to determine whether patient is
malingering. When a patient genuinely attempts an active SLR he puts downward pressure on
calcaneus of his opposite leg to gain leverage. It can be confirmed by putting examiners hand
between calcaneum and the examination table.
False positive SLRT : False positive SLRT may be found in myogenic pain, ishial bursitis, annular
tear and hamstring tightness. These can be differentiated by Lasegue’s test and Bowstring sign,
which are positive in prolapsed intervertebral discs.
Limitations of SLRT : The straight leg raising stretches the L5 and S1 nerve roots by 2mm to 6mm,
but it puts little tension on the more proximal nerve roots. An abnormal straight leg raising test,
therefore, suggests a lesion of either L5 or S1 nerve root.
3. Motor testing :
Lumbar Root Lesions:
Root             Muscle group weakness                 Tendon reflex decreased
L2               Hip Flexion / Adduction

L3            Hip adduction / Knee extension       Knee Jerk

L4            Knee extension
              Foot inversion / dorsiflexion        Knee Jerk

L5            Hip extension / abduction
              Knee Flexion
              Foot / toe dorsiflexion
S1             Knee Flexion                        Ankle Jerk
              Foot / Toe planter Flexion
              Foot eversion.
4. Sensory testing :
Special tests :
Phalen’s test : This test attempts to reproduce features of leg pain, weakness or numbness by
accentuating spinal stenosis thereby causing neural ischaemia. With the patient upright, bend the
patient into extension for one minute; positive test is associated with the symptoms, which gets
relieved on flexing forward.
Squat test : This test is done to rule out joints of lower limb involvement. Patient is asked to squat
down bouncing 2 to 3 times and then returning to the standing position. If patient is able to do so
then hips, knee and ankles are normal.
Schober test : It detects limitation of forward flexion of the lumbar spine. Two marks at a distance
of 10 cms are placed, one at the level of posterior superior iliac spine and another above in the
midline. With maximal forward spinal flexion with locked knees, the measured distance should
increase from 10 cm to at least 15 cms.
Chest expansion : Measured at the fourth intercostal space, normal chest expansion is
approximately 5cm.
Bulbocavernous reflex : It refers to contraction of anal sphincter in response to tugging of foley
catheter or squeezing of glans penis. This is a spinal cord mediated reflex arch involving S 1,2 & S3
nerve roots. In injuries above L1 vertebral levels the reflex is lost during the stage of spinal shock
(which usually resolves with 48 hours); at the level of L1 vertebra it may be because of conus
medullaris injury and below L1 vertebra it may be because of cauda equina injury. If the
bulbocavernous reflex (stage of spinal shock) returns and there is no sensory or motor recovery then
it is suggestive of complete lesion.
Sacral sparing : Sacral sparing is associated with perianal sensation, rectal motor function and
great toe sluxor activity. Presence of sacral sparing may be the only sign of an incomplete spinal
lesion. If bulbodavernous reflex returns and there is not even sacral sparing then it is suggestive of
complete lesion.
Lesions in a nutshell :
L4 root compression :
Motor weakness              Quadriceps muscles
Sensory involvement         Hypoasthesia at L4 dermatome
Reflexes                    Decreased knee jerk
SLRT test                   Negative
Femoral stretch test        Positive
   L5 root compression :
Motor weakness            Extensor hallucis longus
Sensory involvement       Hypoesthesia / Hyperaesthesia at L5
                          dermatome.
Reflexes                  Negative
SLRT test                 Positive
Patient is unable to walk on the heel.
S1 root compression :
Motor weakness                                       Gastrocnemius and peronei weakness
Sensory involvement                                  Hypoesthesia / Hypperaesthesia at S1 dermatome
Reflexes                                             Ankle jerk diminished
SLR test                                             Positive
Patient is unable to walk on the toes.
Signs suggestive of functional backache :
Waddell has described five tests to identify functional backache, presence of 3 or more positive tests
is suggestive of functional backache.
Waddell tests :
1. Tenderness to superficial touch.
2. Simulation tests : a. Axial loading.
                       b. Spinal rotation in one plane.
3. Distraction tests.
4. Abnormalities not following neuro-anatomic structures
5. Disproportionate symptomatology (overreaction)
2.5 DIAGNOSTIC STUDIES :
    1. X-Rays:
        Routinely AP Lateral view should be ordered for low backache
        Oblique views may be required if spondylolysis is suspected.
        Flexion & Extension view may be ordered if instability suspected.




Radiographic Evaluation of Inflammatory Versus Noninflammatory spinal Arthritis
 Features            Non Inflammatory           Infection           Spondyloarhropathy

 S. I. Joint         Normal                 Normal / Single joint   Erosions +

 Vertebral bodies    Sclerosis            - osteoporosis            - squaring +
                                          - Irregular eroded end     - erosions
                                            Plates                  - Osteoporosis
 Discspace           - Decreased         -Decreased                 -may be calcified or convex
                     - Vacuum phenomenon -Usually one space         -multiple.
 Osteophyte          Prominent             Absent                    Absent
 Soft tissues mass       -                      +                        -
 Syndesmophyte       Absent                Absent                     Present
Degenerative Lumbar Spondylosis             Degenerative Spondylolisthesis
2. Bone scan: If malignancy or infection is suspected
3. CT SCAN / MRI: Especially useful in acute emergencies, unresponsive cases or in those case
   where surgery is contemplated.




 4. EMG -NCV: may be useful in chronic radiculopathy (radiating pain with or without
neurological deficit)
 5. Blood investigation:
    These include:
     CBC ESR: If infection suspected
     Mantoux test: To rule out Tuberculosis
     Urine( RM) : urinary infection ruled out
     Serum Calcium; Phosphorus & alkaline phosphatase: Secondary metastasis is associated with
        raised alkaline phosphate.
     Urine for Bence zones proteins: To rule out multiple myeloma
     Serum electrophoresis
     HLA B27: If serongative spondylo arthropathy suspected.
2.6 EVALUATION OF SYMPTOMS IN PATIENTS WITH LOW BACKACHE :
 Symptoms                            Possible Etiology                    Clinical Evaluation
 Fever or weight loss                Infection tumor                    - CBC ESR
                                                                        - X-rays
                                                                        - Bone Scan
                                                                        - CT / MRI
                                                                        - SOS Biopsy
 Night Pain                         - Tumor of bone                     - X-rays
                                    - Spinal cord tumor                 - Bone Scan
                                                                        - CT / MRI
                                                                        - Hb CBC ESR
                                                                        - Serum Calcium
                                                                          Phosphorus &
                                                                          alkaline
                                                                          phosphatase
                                                                    - Other chemical profile
 Morning Stiffness                    - RA                              - ESR
                                      - AS                              - RA
                                      - Psoriatic arthritis             - ANA Factor
                                                                        - X-rays including
                                                                           S I Joints
 Colicky Pain                        - Kidney                           - Urine (R&M)
                                     - Gall Bladder                    - sos Urine culture
                                     - Acrtic                          - Amylase
                                     - Gastrointestinal                - USG abdo
                                                                        - Barium studies
                                                                        - sos CT SCAN
                                                                        - Aortogram

2.7 CONSERVATIVE MODALITY OF TREATMENT OF LOW BACKPAIN :

   1) Rest:
       Absolute bed rest on a hard bed (a mattress if allowed)
       Usually up to 2-3 weeks
       After 3 week, rest does not have added advantage & gradual mobilization with or without
         brace is advisable
   2) NSAIDS:
       To break pain, spasm & pain cycle
       Symptomatic relief
       To allow mobilization of patient.
   3) Muscle Relaxants: In cases with stiff spine, tizanidine or chlorzoxazone may be used.
   4) Physical modalities: Such as SWD, hot packs & USG therapy
   5) Exercise programme
6) Traction:
        It immobilises the patient
        Distracts neural formina there by decompressing nerve root
        Relieves muscle spasm
7. Brace : Especially useful in trauma, infection & osteoporotic fracture.




Education : This includes avoidance of stressful activities, improvement of posture, dietary advice
as related to weight reduction & calcium intake.

2.8 CLINICAL APPROACH IN MANAGEMENT OF LOW BACKACHE :
A. Acute Backache:
Commonest Causes are:
     I. Prolapsed Intervertebral Disc.
    II. Trauma:
            Soft tissue injury
            Bony injury
   III Infection
   IV Neoplasm
   V Referred pain due to viscerogenic or vasculogenic causes.
 VI Sickle cell crisis, diabetic neuritis.
STEP I: Rule out condition, which require urgent intervention.
1. Cauda Equina Syndrome:
      Saddle Anaesthesia around anus
      Bladder / Bowel involvement
      Bilateral sensory motor deficit
2. Aortic Aneurysm:
      Pulsatile Abdominal mass
      Absent Dorsalis pedis pulse
      Older patient
      History of claudication or other circulatory problems
      Circulatory instability

                                        Acute Low Backache


   Neurological deficit with NO                       NO               Ruptured aortic aneurysm
                           Bladder / bowel                        Further
                                                                  Evaluation
                 Yes                                                                 Yes
Urgent MRI                                                     Immediate angiogram

               Yes                                                                   Yes
             Surgical Intervention                                             Resuscitative surgery

B. Chronic Back Pain (Subacute Backache) :
Subgroups
     I. Localized Chronic Back pain
    II. Low back pain with sciatica
   III. Anterior thigh pain
  IV. Chronic Back pain with posterior thigh pain
1. Localized Low Backache:
Etiology:
      Disc Degeneration.
      Vertebral instability
      Osteoarthritis
      Osteoporosis
      Spondyloarthropathy
      Osteomyelitis
      Vertebral neoplasms
      Old trauma




2. Low Backache With Sciatica
Sciatica : By definition it is radiation of pain along the distribution of sciatic nerve that is posterior
aspect of buttocks, thigh, leg, and foot.
Differential diagnosis of sciatica :
Intraspinal causes                                   Extraspinal causes
Above the level of disc                               At the level of pelvis

Conus lesions and cauda Equina lesions (e.g. Orthopaedic diseases of hip and SI joint.
neurofibroma etc.)
                                             Neoplasms
                                             Gynaecological conditions
                                             Cardiovascular conditions (e.g. peripheral
                                             vascular diseases)

At the level of the disc                              Below pelvis :
PID                                                   Nerve lesions
Canal or recess stenosis                          Traumatic
Neoplastic                                        Neoplastic
Infection : TB, pyogenic, discitis                Herpes zoster
Arachidonitis                                     Neuropathy due to diabetes or alcohol etc.




                                         Causes of Sciatica
Diagnostic criteria for sciatica due to disc prolapse :
    The leg pain is more than back pain.
    Dermadome-wise distribution of tingling and numbness.
    Positive SLRT test/Bowsting sign/crossed SLR test
    Presence of at least two of the following neurological signs :
    Atrophy.
    Motor weakness.
    Decreased sensation.
    Altered reflexes.
                                       Therapeutic Approach



      Low Backache with pain on flexion                         Low backache with pain on
                                                                extension

              Herniated Disc                                                X-rays / CT / MRI


                                                   Lumbar canal stenosis          No significant
      Neurological        Neurological                                            findings
      deficit –ve         deficit + ve
                                                   Conservative treatment        Conservative
                                                                                 treatment
      Conservative       CT/ MRI +ve
       Treatment                             Epidural steroids
     - Rest
     - Heat therapy                          Surgical decompression
     - Brace
     - NSAIDS
     - Enzyme preparation Orthopaedic management
     - Low dose steroid
3. Low Backache With Posterior Thigh Pain
Causes:
    Back strain
    Localized spinal stenosis
    High herniated discs.
Treatment modalities:
    Local injection of hydrocortisone at tender spots
    NSAIDS
    If no relief radiographic evaluation & further management according to the diagnosis
4. Low backache With Anterior Thigh Pain
Causes:
    Back Strain
    Inguinal Hernia
    Hip Etiology
    Diabetic Femoral Neuropathy
    Abdominal Aneurysm
    Renal stone
    Retroperitoneal tumor.
Therapeutic Approach : Low Backache With Anterior Thigh Pain

                                      Clinical Examination



             Inguinal hernia          Anterior hip tenderness/ hip stiffness          Negative

                                             X-rays PBH                               Blood Sugar
                                                      + ve
                                             Hip disorders                     - ve               +ve

                                                                     Abdo + pelvic           Diabetic
                                                                                            neuropathy
                                                                      ultrasound


                                                              - ve                     + ve
                                                     CT Scan with contrast            Renal stone or
                                                                                      aneunym


                                                 + ve                   - ve
                                    - Retroperitoneal tumor        Conservative therapy
- Retroperitoneal infection

2.9 COCCYGODYNIA :
This term is used for pain in and around the coccygeal region. ( The term coccyx implies Greek
word kokkoux meaning cuckoo since it resembles the shape of a cuckoo’s beak. )
Incidence :
M : F  1:5 (as coccyx is more prominent and exposed in females)
Less than 1% of low back pain incidence.
Etiology :
Trauma to sarococcygeal joint e.g. due to kick, fall with resultant fracture subluxation or dislocation.
Childbirth with concomitant hormonal changes can lead to stretching and inflammation of coccyx.
Indiopathic.
Pilonodal cyst formation.
Piriformis pain.
Repetitive strain such as in cycling or rowing.
Obesity, which causes excessive pressure on coccyx in sitting.
Frictional bursitis at tip of coccyx.
Clinical examination :
Tenderness on direct palpation of the coccyx.
PR and PV examination must be done to rule out masses.
Investigations :
X-rays lateral view of coccyx : If possible both standing and sitting lateral view should be taken to
look for and abnormal coccygeal mobility. Presence of more than 250 flexion or dynamic x-rays
suggest hypermobility, presence of more than 250 displacement suggests subluxation.
MRI may be useful in suspected neoplastic or infective lesions
Treatment :
1. Conservative therapy : It includes :
   a. NSAID.
   b. Air ring cushion.
   c. Hot-sitz-type baths.
   d. Phonophoresis or iontophoresis of local corticosteriod or analgesic combination.
2. Local steroid injection.
3. Manipulation under GA.
4. Surgical Therapy : It includes coccygectomy. The complication of this procedure include
    infection, rectal injury, local wound dehiscence, scarring etc. Surgery is indicated if conservative
    therapy fails after an adequate trial of atleast 2 months. Recovery after surgery may take 6
    months to 1 year.

2.10 RADIOGRAPHIC APPROACH TO LOW BACKACHE :
                            X-rays of spine



            Changes suggesting of        Miscellaneous condition seen           Non inflammatory
            inflammatory arthritis       e.g. - Pagets
                                              - Metastasis
                                              - Myeloma
                                              - Fluorosis

                                                                          Age > 50        Age < 50
                                                                         -Degeneration Ochronosis
                                                                         Arthritis      ( Disc space
                                                                        -CPPD          calcification)
Sacroiliac joint lesion   single disc space infection



Symmetrical        Asymmetric         Unilateral
Syndesmophytes Bilateral
- AS               syndesmophyte      septic
- Ulcerative bowel - Reiter’s disease reiter’s
  disease          - psoriasis        psoriasis
Radiographic Evaluation of Inflammatory Versus Noninflammatory spinal Arthritis
 Features             Non Inflammatory              Infection          Spondyloarhropathy

 S. I. Joint          Normal                   Normal / Single joint   Erosions +

 Vertebral bodies     Sclerosis            - osteoporosis              - squaring +
                                           - Irregular eroded end       - erosions
                                             Plates                    - Osteoporosis
 Discspace            - Decreased         -Decreased                   -may be calcified or convex
                      - Vacuum phenomenon -Usually one space           -multiple.
 Osteophyte           Prominent             Absent                      Absent
 Soft tissues mass        -                      +                          -
 Syndesmophyte        Absent                Absent                       Present


Differential diagnosis of lytic lesion of spine :
Malignant :
osteosarcoma
chondrosarcoma
fibrosarcoma
Ewing’s sarcoma
myeloma
plasmacytoma
lymphoma
leukemia
Benign :
GCT
Haemangioma
Eosinophilic granuloma
ABC
fibrodysplasia
brown tumor
pagets disease
Differential diagnosis of ivory vertebra :
Pagets disease(bone is expanded)
Multiple myeloma
Lymphoma
Haemangioma(coarse marking)
metastastasis
Neoplastic lesions of vertebral column: Vertebral body :
Primary Tumours:
Multiple myeloma
Chordoma
Osteosarcoma
Haemangioma
GCT
Eosinophilic Granuloma
About 75%of vertebral body tumors are malignant
Secondary Tumours
Posterior elements :
More commonly benign(65%).These includeABC, Osteoblastoma, Osteod osteoma.




Type                             Etiology
Traction osteophytes             Instability.
Marginal syndesmophyte           As, inflammatory B.D.
Nonmarginal syndesmophytes       Dish, reiters and pscriasis




  Steffie plating for spinal pathologies
Lumbar Spondylolysis       Severe kyphosis




 Koch’s Spine




Thoraco - Lumbar       Fracture Spine        Giant Cell Tumor of Spine
  Scoliosis




Osteochandroma     Dish Syndrome

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Low backache

  • 1. 2. LOW BACKACHE About The Author Dr Manoj R. kandoi is the founder president of “Institute of Arthritis Care & Prevention” an NGO involved in the field of patient education regarding arthritis. Besides providing literature to patient & conducting symposiums, the institute is also engaged in creating patients “Self Help Group” at every district level. The institute also conducts a certificate course for healthcare professionals & provide fellowship to experts in the field of arthritis. The author has many publications to his credit in various journals. He has also written a book “ The Basics Of Arthritis” for healthcare professionals. The author can be contacted at: Dr manoj R. kandoi C-202/203 Navare Arcade Shiv Mandir Road, Opposite Dena Bank Shiv mandir Road, Opposite Dena bank Shivaji Chawk, Ambarnath(E) Dist: Thane Pin:421501 State: Maharashtra Ph: (0251)2602404 Country: India Membership Application forms of the IACR for patients & healthcare professionals can be obtained from. Institute of Arthritis Care & Prevention C/o Ashirwad Hospital Almas mension, SVP Road, New Colony, Ambarnath(W) Pin:421501 Dist: Thane State: Maharashtra Country: India Ph: (0251) 2681457 Fax: (0251)2680020 Mobile ;9822031683 Email: drkandoi@yahoo.co.in CONTENT 2.1 ANATOMY 2.2 EPIDEMIOLOGY 2.3 CLASSIFICATION OF LOW BACKACHE 2.4 CLINICAL EXAMINATION 2.5 DIAGNOSTIC STUDIES 2.6 EVALUATION OF SYMPTOMS IN PATIENTS WITH LOW BACKACHE 2.7 CONSERVATIVE MODALITY OF TREATMENT OF LOW BACKPAIN 2.8 CLINICAL APPROACH IN MANAGEMENT OF LOW BACKACHE 2.9 COCCYGODYNIA 2.10 RADIOGRAPHIC APPROACH TO LOW BACKACHE
  • 2. 2.1 ANATOMY : In the adult the inter-vertebral disc is composed of the annulus fibrosus and the nucleus pulposus. The annulus fibrosus is composed of numerous concentric rings of fibro-cartilaginous tissue. The rings are thicker anteriorly than posteriorly. The nucleus pulposus, a gelatinous material forms the center of the disc. The disc proper is separated from the vertebral body by hyaline cartilage plate.
  • 3. The intervertebral discs in adults receive nutrition through two routes (a) the bidirectional flow from vertebral body to disc & from disc to vertebral body, and (a) the diffusion through the annulus from blood vessels on its surface. Weight is transmitted to the nucleus through the hyaline cartilage plate, Because of this axial loading the nucleus pulposus is under considerable pressure & disc tangential load is absorbed by annulus fibrosus. 2.2 EPIDEMIOLOGY : Back pain has now appeared as a modern international epidemic. Up to 80% of the population is affected by this symptom at some point of time. Risk Factors: 1. Cigarette smokers & with greater tobacco consumption 2. Type I personality 3. Patients taller than 181 cm 4. Patients with slightly higher body weight 5. Multiple pregnancies. 6. Jobs requiring heavy and repetitive lifting 2.3 CLASSIFICATION OF LOW BACKACHE : 1. Psychogenic back pain (Nonorganic Spinal pain) 2. Viscerogenic back pain 3. Neurogenic back pain 4. Vascular back pain 5. Spondylogenic back pain. 6. Endocrine / metabolic 1. Non-organic spinal pain: These groups of disorders include I. Psychosomatic spine pain a. Tension syndrome (fibrositis) II. Psychogenic Spinal pain III. Situational spinal pain a. Litigation reaction b. Exaggeration reaction. Index 2.1 Organic Spinal Pain Non-Organic Spinal Pain Well localized & usually mechanical pain - Multifocal & nonmechanical pain No superficial tenderness - Superficial tenderness SLR reduced in cases of PID - SLR may be normal Lasegue test +ve in PID - Lasegue test +ve Flip test: painful - Flip test: not painful
  • 4. Flip Test: Normally in a case of prolapsed intervertebral disc, SLR is reduced which can also be cheeked with patient in sitting position with knee extended. If true root Lesion were patient, one patient would “flip” back on sitting SLR testing. A patient with non-organic spinal pain may show reduced SLR in supine position, it that will be normal on Flip test. 2. Spondylogenic Back Pain: A. Osseous Lesions: I. Trauma: These can be 1. Compression in an osteoporotic spine 2. Fracture of vertebral appendices 3. Fracture of vertebral body following high-energy trauma. Causes of pain: I. Nonunion of fracture II. Misalignment of spine III. Spinal instability IV. Compression of nerve or spinal cord II. Infection: Infections involving the vertebral column include a. Vertebral osteomyelitis:  Pyogenic  Tuberculous  Miscellaneous. b. Intervertebral disc Infection. c. Intervertebral disc inflammation. The infection is characterized by restriction of range of motion, paraspinal muscle spasm, localized tenderness, sometimes associated paraspinal mass or abscess. The offending organism can be identified by blood culture or a vertebral biopsy and culture. III. Neoplasm: - Benign Tumours - Anterior column (Haemangioma & eosinophilic granuloma) - Posterior column (Giant cell tumor, osteod osteoma) - Malignant Tumours - Primary usually involve vertebral body - Secondary metastasis. Lymphoma & Leukemia The diagnosis of these tumors is largely dependent on x-rays. IV) Metabolic Bone Diseases: These include osteofibrosis, osteopetrosis, alkcaptonuria , familial hypophosphataemia etc but the metabolic bone problem most commonly presenting with low back pain is osteoporosis.
  • 5. V) Spondylolisthesis: Spondylolisthesis is due to forward displacement of one vertebra over other. It may be because of traumatic, congenital, dysplastic, degenerative etiology. Cause of pain includes mechanical derangement including spinal instability, neuropathy (compression of nerve root) myelopathy (compression of spinal card) & pain arising from defect site at pars interarticularis. VI) Sacroiliac Joint Strain: More common after repeated pregnancies. Clinically characterized by tenderness over lower third of the sacroiliac joint below the posterior inferior iliac spine and positive pelvic compression test. VII) Ankylosing Spondylitis B) Soft Tissue Lesions: I. Myofascial sprains or strains. II. Fibrositis (Fibromyalgia) and myofascial pain syndrome. III. Disc Degeneration: These pain in general is aggravated by general and specific activities & is relieved, to some extend be recumbency. 3. Viscerogenic Back Pain: It is derived from disorders of the kidneys or the pelvic viscera, from the lesser sac, & from retroperitoneal tumors. These are usually associated with other symptoms of visceral involvement. The pain is not aggravated by activity, nor is it relieved by rest. It includes: A. Pelvic Disorders: a) Pelvic inflammatory disease b) Endometriosis c) Torsion of a mass, cyst or fibroid d) Prostatitis e) Cystitis. B Abdominal Disorders: a) Peptic ulcer b) Pancreatitis. 4. Vascular Back Pain: These include A. Abdominal aortic aneurysm (Atherosclerotic or inflammatory) I. Rupture II. Erosion of surrounding structures III. Dissection B. Epidural Hematoma C. Sickle cell disease D. Insufficiency of superior gluteal artery E. Intermittent claudication. Abdominal aneurysm presents as a boring type of deep seated lumbar pain unrelated to activity. Insufficiency of the superior gluteal artery may give rise to buttock pain of a claudicant character, aggravated by walking, relieved by standing still. Intermittent claudication caused by peripheral vascular disease can mimic sciatic pain, but usually can be easily distinguished by the fact, pain aggravated by walking is relieved immediately by standing still. Difference between neurological and vascular claudication : Neurological claudication Vascular claudication Vague heaviness, cramping pain. Sharp, cramping pain. It is aggravated by walking and sometimes by Aggravated by walking. standing.
  • 6. May radiate usually proximal to distal after Rare after onset. onset. Relieved only in flexed position of spine such as Relieved with rest even with standing position. lying down or sitting down. Relief is slow takes many minutes. Relief is faster. Pulses present. Absent pulses and other trophical changes. Neurological symptoms and SLR positive. Absent. 5. Neurogenic back pain: Intradural & extradural tumors & cyst may mimic symptoms produced the day & history of night pain may be there. Diagnosis is mainly on M. R .I. 6. Endocrine / Metabolic: a. Osteoporosis b. Paget’s disease c. Diabetes. d. Hypothyroidism e. Hyperthyroidism f. Hyperparthyroidism 2.4 CLINICAL EXAMINATION : History Age: Adolescents: - Postural - Traumatic - Infective. Adults: - Ankylosing spondylitis -PID Elderly persons: - Degenerative arthritis - Osteoporosis - Secondary matastasis Sex: Back pain is slightly more common in women due to lack of exercise, nutritional osteomalacia, multiple pregnancies. Sex incidence of painful back conditions : Commonly in males Commonly in females Spondytoarthropathies Osteoporosis Work related mechanic backache Fibromyalgic Tuberculosis Polymyalgic rheumatica Neoplasms Hyperparathyroidism Paget’s disease Peptic ulcer Retroperiteneal fibrosis Occupation: Back pain is common in surgeons, dentists, truck drivers etc. Past History: Past history of trauma, tuberculosis etc Pain: Site: Lumbar spine; - P I D - Degenerative spondylosis D L spine - Infection - trauma Onset : - acute, subacute, chronic Progress of pain : - pain of infection & tumor tends to be progressive, pain of arthritis & spondylitis is constant, pain of disc prolapse & trauma may decrease over time. Relieving & Aggravating Factors: Most back pains are worsened by activity relieved by rest especially in arthritis. Pain due to inflammatory spondyloarthropathy is more at rest & may initially improve with activity.
  • 7. Osteod osteoma is associated with severe pain at night that responds to aspirin. Patient with spinal canal stenosis will complain of pain on walking & standing relieved by sitting, stooping forwards. Associated Symptoms: 1. Stiffness: It is seen in inflammatory arthropathies. 2. Fever or chills: It suggests possibility of infection 3. Weight loss, chronic cough, change in bowel habits, night pain, other constitutional symptoms may be seen in malignancy. 4. Pain in other joints: e.g. in seronegative spondyloarthropathies or endocrine disorders. 5. Fatigue or sleep disturbances: fibromyalgia should be ruled out Differential diagnosis of ankylosing spondylitis with other causes of backache : Ankylosing spondylisis Backache due to other causes Morning stiffness >30minutes <15 minutes Rest Aggravates pain and stiffness Relieves pain Physical activity Relieves pain Increases pain Restriction of joint motion Restricted pain in all directions Only in some direction Neurological Symptoms: Weakness, paraesthesia or numbness in dermatomal distribution points to possible nerve root impingement & the level of impingement. Commonest cause is P I D (in age group of 20-50 years) & tuberculosis. L 3-4 disc affects the L 4 nerve root, L 4-5 disc affects L 5 nerve root & L 5-S1 affects the S1 nerve root. The other cause of neurological symptoms is neoplasm. Presence of bladder / bowel involvement suggest cauda equina syndrome requiring immediate investigations & further management. Physical Examination: The patient should be stripped to undergarments A. Patient Standing: 1. Alignment of spine: normally a person stands erect with the center of occiput in the line with the natal cleft.  Pelvic tilt may suggest paravertebral spasm  Loss of lumbar lordosis suggest spasm or ankylosis  Structural scoliosis. 2. Evaluate:  Gait  Station  Posture 3. Range of motion: It is restricted in organic diseases .of the spine.
  • 8. 4. Swelling: Cold abscess may suggest TB 5. Localized tenderness may suggest trauma  Twist Tenderness: On rotating the 2 spinous processes over each other suggest P I D or local infection.  Tenderness at SI joint B. Patient Supine 1. Straight leg raising (SLR): it is indication of nerve root impingement. 2. Neurological examination 3. Peripheral pulse. 4. Adjacent Joints: Hips & SI joint 5. Chest expansion 6. Abdominal, rectal or per vaginal examination if required. C. Patient Prone - Femoral stretch test (extending the hip) may be positive in L4 radiculopathy : This test detects L234 disc prolapse. The femoral nerve is stretched by extending the hip by 150 with patient in prone position. Now the knee is slowly flexed to further stretch the femoral nerve. Pain radiating to the anterior thigh is suggestive of radiculopathy. Depending upon the dermatome of pain radiation, exact nerve can be identified. - Palpate bony tenderness & trigger points, nodules.
  • 9. POSITIVE FEMORAL STRETCH TEST NEUROLOGICAL EXAMINATION : Neurological examination : Nerve tension tests : These tests are for checking nerve root compression of femoral or sciatic nerve. Femoral nerve (formed of L2,3 and L4 nerve roots) runs along the anetomedial aspect of the thigh and sciatic nerve (formed of L4,5 S1,2 and 3 nerve roots) runs along the posterior aspect of thigh. Straight leg rising test : (SLRT) Principle : Normally while doing SLRT during the first 0 to 300 the slack nerve roots become taut but there is no tension. Between 30 to 700 the sciatic nerve root stretches over the intervertebral disc. Above 700, there is no further deformation of the root and pain may be because of SI joint strain or nerve root compression beyond the spine. The sciatica due to PID is therefore positive between 30 to 700. Upto 300 pain maybe due to hamstring tightness, which can be differentiated by Laseque’s test. Method : Position : Patient lies in supine position with the head and the pelvis flat. Procedure : It is a passive test and each leg is tested one by one. With knee in full extension, one limb is progressively elevated until maximal hip flexion is reached or patient develops radiating pain. The angle formed by the lower limb and the examination cot is noted. The test is considered positive if there is back pain radiating along the course of sciatic nerve below the knee. Alternative method : Patient sits at the end of the table with spine erect and the legs hanging at the edge from the knees. The affected side leg is extended suddenly with patient supporting himself with both hands on the table. In case of sciatic root impingement, patient will develop radiating pain and low backache. Laseque test : This test is performed after SLR by lowering the affected leg by few degrees from the point of pain and then dorsiflexing ankle. This maneuver again deforms the sciatic nerve. Positive test strengthens the diagnosis of sciatica. Reverse SLR test : It is performed by plantar flexing rather than dorsiflexing the foot, positive test is suggestive of malingering. Crossed SLR test : This is performed on the side opposite that of the sciatica. If this maneuver reproduces or exacerbates the patient’s other side sciatica, the result is considered to be extremely sensitive and specific for herniated L4,5 or L5 S1 disk. This test is usually seen in large disc herniation and is also known as well leg raising test of Faserstanzn’s. Lateral flexion test of spine : With the patient in standing or supine position, ask the patient to acutely flex the spine laterally on the affected side. Due to approximation and stretching of root to the protruded disc from lateral sides, the patient will feel a catching pain. If symptoms are produced on flexing the spine on the opposite side, it is suggestive of pressure on the root from the medial side. Bowstring sign : In this method, SLRT test is performed to reproduce pain. The knee is then flexed to 900 and digital pressure is applied over the posterior aspect of sciatic nerve. If it reproduces the pain it is suggestive of sciatica. Cox sign : In this method the patient is asked to raise pelvis from the table rather than hip flexing. This test is suggestive of intervertebral foraminal prolapse of intervertebral disc. Lewing punch test : Here the patient is in standing position, the patient’s buttock on the affected side is precussed to reproduce pain of sciatica. Positive test is suggestive of a protruded disc.
  • 10. Valsalva’s maneuver : In this maneuver, patient is asked to bear down as if attempting to have a bowel movement, which increases the intrathecal pressure thereby exacerbating pain of nerve root stretching. Hoover’s test : It is done along with active straight leg rising to determine whether patient is malingering. When a patient genuinely attempts an active SLR he puts downward pressure on calcaneus of his opposite leg to gain leverage. It can be confirmed by putting examiners hand between calcaneum and the examination table. False positive SLRT : False positive SLRT may be found in myogenic pain, ishial bursitis, annular tear and hamstring tightness. These can be differentiated by Lasegue’s test and Bowstring sign, which are positive in prolapsed intervertebral discs. Limitations of SLRT : The straight leg raising stretches the L5 and S1 nerve roots by 2mm to 6mm, but it puts little tension on the more proximal nerve roots. An abnormal straight leg raising test, therefore, suggests a lesion of either L5 or S1 nerve root. 3. Motor testing : Lumbar Root Lesions: Root Muscle group weakness Tendon reflex decreased L2 Hip Flexion / Adduction L3 Hip adduction / Knee extension Knee Jerk L4 Knee extension Foot inversion / dorsiflexion Knee Jerk L5 Hip extension / abduction Knee Flexion Foot / toe dorsiflexion S1 Knee Flexion Ankle Jerk Foot / Toe planter Flexion Foot eversion. 4. Sensory testing :
  • 11. Special tests : Phalen’s test : This test attempts to reproduce features of leg pain, weakness or numbness by accentuating spinal stenosis thereby causing neural ischaemia. With the patient upright, bend the patient into extension for one minute; positive test is associated with the symptoms, which gets relieved on flexing forward. Squat test : This test is done to rule out joints of lower limb involvement. Patient is asked to squat down bouncing 2 to 3 times and then returning to the standing position. If patient is able to do so then hips, knee and ankles are normal. Schober test : It detects limitation of forward flexion of the lumbar spine. Two marks at a distance of 10 cms are placed, one at the level of posterior superior iliac spine and another above in the midline. With maximal forward spinal flexion with locked knees, the measured distance should increase from 10 cm to at least 15 cms. Chest expansion : Measured at the fourth intercostal space, normal chest expansion is approximately 5cm. Bulbocavernous reflex : It refers to contraction of anal sphincter in response to tugging of foley catheter or squeezing of glans penis. This is a spinal cord mediated reflex arch involving S 1,2 & S3 nerve roots. In injuries above L1 vertebral levels the reflex is lost during the stage of spinal shock (which usually resolves with 48 hours); at the level of L1 vertebra it may be because of conus medullaris injury and below L1 vertebra it may be because of cauda equina injury. If the bulbocavernous reflex (stage of spinal shock) returns and there is no sensory or motor recovery then it is suggestive of complete lesion. Sacral sparing : Sacral sparing is associated with perianal sensation, rectal motor function and great toe sluxor activity. Presence of sacral sparing may be the only sign of an incomplete spinal lesion. If bulbodavernous reflex returns and there is not even sacral sparing then it is suggestive of complete lesion.
  • 12. Lesions in a nutshell : L4 root compression : Motor weakness Quadriceps muscles Sensory involvement Hypoasthesia at L4 dermatome Reflexes Decreased knee jerk SLRT test Negative Femoral stretch test Positive L5 root compression : Motor weakness Extensor hallucis longus Sensory involvement Hypoesthesia / Hyperaesthesia at L5 dermatome. Reflexes Negative SLRT test Positive Patient is unable to walk on the heel. S1 root compression : Motor weakness Gastrocnemius and peronei weakness Sensory involvement Hypoesthesia / Hypperaesthesia at S1 dermatome Reflexes Ankle jerk diminished SLR test Positive Patient is unable to walk on the toes. Signs suggestive of functional backache : Waddell has described five tests to identify functional backache, presence of 3 or more positive tests is suggestive of functional backache. Waddell tests : 1. Tenderness to superficial touch. 2. Simulation tests : a. Axial loading. b. Spinal rotation in one plane. 3. Distraction tests. 4. Abnormalities not following neuro-anatomic structures 5. Disproportionate symptomatology (overreaction)
  • 13. 2.5 DIAGNOSTIC STUDIES : 1. X-Rays:  Routinely AP Lateral view should be ordered for low backache  Oblique views may be required if spondylolysis is suspected.  Flexion & Extension view may be ordered if instability suspected. Radiographic Evaluation of Inflammatory Versus Noninflammatory spinal Arthritis Features Non Inflammatory Infection Spondyloarhropathy S. I. Joint Normal Normal / Single joint Erosions + Vertebral bodies Sclerosis - osteoporosis - squaring + - Irregular eroded end - erosions Plates - Osteoporosis Discspace - Decreased -Decreased -may be calcified or convex - Vacuum phenomenon -Usually one space -multiple. Osteophyte Prominent Absent Absent Soft tissues mass - + - Syndesmophyte Absent Absent Present
  • 14. Degenerative Lumbar Spondylosis Degenerative Spondylolisthesis 2. Bone scan: If malignancy or infection is suspected 3. CT SCAN / MRI: Especially useful in acute emergencies, unresponsive cases or in those case where surgery is contemplated. 4. EMG -NCV: may be useful in chronic radiculopathy (radiating pain with or without neurological deficit) 5. Blood investigation: These include:  CBC ESR: If infection suspected  Mantoux test: To rule out Tuberculosis  Urine( RM) : urinary infection ruled out  Serum Calcium; Phosphorus & alkaline phosphatase: Secondary metastasis is associated with raised alkaline phosphate.  Urine for Bence zones proteins: To rule out multiple myeloma  Serum electrophoresis  HLA B27: If serongative spondylo arthropathy suspected.
  • 15. 2.6 EVALUATION OF SYMPTOMS IN PATIENTS WITH LOW BACKACHE : Symptoms Possible Etiology Clinical Evaluation Fever or weight loss Infection tumor - CBC ESR - X-rays - Bone Scan - CT / MRI - SOS Biopsy Night Pain - Tumor of bone - X-rays - Spinal cord tumor - Bone Scan - CT / MRI - Hb CBC ESR - Serum Calcium Phosphorus & alkaline phosphatase - Other chemical profile Morning Stiffness - RA - ESR - AS - RA - Psoriatic arthritis - ANA Factor - X-rays including S I Joints Colicky Pain - Kidney - Urine (R&M) - Gall Bladder - sos Urine culture - Acrtic - Amylase - Gastrointestinal - USG abdo - Barium studies - sos CT SCAN - Aortogram 2.7 CONSERVATIVE MODALITY OF TREATMENT OF LOW BACKPAIN : 1) Rest:  Absolute bed rest on a hard bed (a mattress if allowed)  Usually up to 2-3 weeks  After 3 week, rest does not have added advantage & gradual mobilization with or without brace is advisable 2) NSAIDS:  To break pain, spasm & pain cycle  Symptomatic relief  To allow mobilization of patient. 3) Muscle Relaxants: In cases with stiff spine, tizanidine or chlorzoxazone may be used. 4) Physical modalities: Such as SWD, hot packs & USG therapy 5) Exercise programme
  • 16. 6) Traction:  It immobilises the patient  Distracts neural formina there by decompressing nerve root  Relieves muscle spasm 7. Brace : Especially useful in trauma, infection & osteoporotic fracture. Education : This includes avoidance of stressful activities, improvement of posture, dietary advice as related to weight reduction & calcium intake. 2.8 CLINICAL APPROACH IN MANAGEMENT OF LOW BACKACHE : A. Acute Backache: Commonest Causes are: I. Prolapsed Intervertebral Disc. II. Trauma:  Soft tissue injury  Bony injury III Infection IV Neoplasm V Referred pain due to viscerogenic or vasculogenic causes. VI Sickle cell crisis, diabetic neuritis. STEP I: Rule out condition, which require urgent intervention. 1. Cauda Equina Syndrome:  Saddle Anaesthesia around anus  Bladder / Bowel involvement  Bilateral sensory motor deficit 2. Aortic Aneurysm:  Pulsatile Abdominal mass  Absent Dorsalis pedis pulse  Older patient  History of claudication or other circulatory problems  Circulatory instability Acute Low Backache Neurological deficit with NO NO Ruptured aortic aneurysm Bladder / bowel Further Evaluation Yes Yes
  • 17. Urgent MRI Immediate angiogram Yes Yes Surgical Intervention Resuscitative surgery B. Chronic Back Pain (Subacute Backache) : Subgroups I. Localized Chronic Back pain II. Low back pain with sciatica III. Anterior thigh pain IV. Chronic Back pain with posterior thigh pain 1. Localized Low Backache: Etiology:  Disc Degeneration.  Vertebral instability  Osteoarthritis  Osteoporosis  Spondyloarthropathy  Osteomyelitis  Vertebral neoplasms  Old trauma 2. Low Backache With Sciatica Sciatica : By definition it is radiation of pain along the distribution of sciatic nerve that is posterior aspect of buttocks, thigh, leg, and foot. Differential diagnosis of sciatica : Intraspinal causes Extraspinal causes Above the level of disc At the level of pelvis Conus lesions and cauda Equina lesions (e.g. Orthopaedic diseases of hip and SI joint. neurofibroma etc.) Neoplasms Gynaecological conditions Cardiovascular conditions (e.g. peripheral vascular diseases) At the level of the disc Below pelvis : PID Nerve lesions
  • 18. Canal or recess stenosis Traumatic Neoplastic Neoplastic Infection : TB, pyogenic, discitis Herpes zoster Arachidonitis Neuropathy due to diabetes or alcohol etc. Causes of Sciatica Diagnostic criteria for sciatica due to disc prolapse :  The leg pain is more than back pain.  Dermadome-wise distribution of tingling and numbness.  Positive SLRT test/Bowsting sign/crossed SLR test  Presence of at least two of the following neurological signs :  Atrophy.  Motor weakness.  Decreased sensation.  Altered reflexes. Therapeutic Approach Low Backache with pain on flexion Low backache with pain on extension Herniated Disc X-rays / CT / MRI Lumbar canal stenosis No significant Neurological Neurological findings deficit –ve deficit + ve Conservative treatment Conservative treatment Conservative CT/ MRI +ve Treatment Epidural steroids - Rest - Heat therapy Surgical decompression - Brace - NSAIDS - Enzyme preparation Orthopaedic management - Low dose steroid
  • 19. 3. Low Backache With Posterior Thigh Pain Causes:  Back strain  Localized spinal stenosis  High herniated discs. Treatment modalities:  Local injection of hydrocortisone at tender spots  NSAIDS  If no relief radiographic evaluation & further management according to the diagnosis 4. Low backache With Anterior Thigh Pain Causes:  Back Strain  Inguinal Hernia  Hip Etiology  Diabetic Femoral Neuropathy  Abdominal Aneurysm  Renal stone  Retroperitoneal tumor. Therapeutic Approach : Low Backache With Anterior Thigh Pain Clinical Examination Inguinal hernia Anterior hip tenderness/ hip stiffness Negative X-rays PBH Blood Sugar + ve Hip disorders - ve +ve Abdo + pelvic Diabetic neuropathy ultrasound - ve + ve CT Scan with contrast Renal stone or aneunym + ve - ve - Retroperitoneal tumor Conservative therapy
  • 20. - Retroperitoneal infection 2.9 COCCYGODYNIA : This term is used for pain in and around the coccygeal region. ( The term coccyx implies Greek word kokkoux meaning cuckoo since it resembles the shape of a cuckoo’s beak. ) Incidence : M : F  1:5 (as coccyx is more prominent and exposed in females) Less than 1% of low back pain incidence. Etiology : Trauma to sarococcygeal joint e.g. due to kick, fall with resultant fracture subluxation or dislocation. Childbirth with concomitant hormonal changes can lead to stretching and inflammation of coccyx. Indiopathic. Pilonodal cyst formation. Piriformis pain. Repetitive strain such as in cycling or rowing. Obesity, which causes excessive pressure on coccyx in sitting. Frictional bursitis at tip of coccyx. Clinical examination : Tenderness on direct palpation of the coccyx. PR and PV examination must be done to rule out masses. Investigations : X-rays lateral view of coccyx : If possible both standing and sitting lateral view should be taken to look for and abnormal coccygeal mobility. Presence of more than 250 flexion or dynamic x-rays suggest hypermobility, presence of more than 250 displacement suggests subluxation. MRI may be useful in suspected neoplastic or infective lesions Treatment : 1. Conservative therapy : It includes : a. NSAID. b. Air ring cushion. c. Hot-sitz-type baths. d. Phonophoresis or iontophoresis of local corticosteriod or analgesic combination. 2. Local steroid injection. 3. Manipulation under GA. 4. Surgical Therapy : It includes coccygectomy. The complication of this procedure include infection, rectal injury, local wound dehiscence, scarring etc. Surgery is indicated if conservative therapy fails after an adequate trial of atleast 2 months. Recovery after surgery may take 6 months to 1 year. 2.10 RADIOGRAPHIC APPROACH TO LOW BACKACHE : X-rays of spine Changes suggesting of Miscellaneous condition seen Non inflammatory inflammatory arthritis e.g. - Pagets - Metastasis - Myeloma - Fluorosis Age > 50 Age < 50 -Degeneration Ochronosis Arthritis ( Disc space -CPPD calcification)
  • 21. Sacroiliac joint lesion single disc space infection Symmetrical Asymmetric Unilateral Syndesmophytes Bilateral - AS syndesmophyte septic - Ulcerative bowel - Reiter’s disease reiter’s disease - psoriasis psoriasis Radiographic Evaluation of Inflammatory Versus Noninflammatory spinal Arthritis Features Non Inflammatory Infection Spondyloarhropathy S. I. Joint Normal Normal / Single joint Erosions + Vertebral bodies Sclerosis - osteoporosis - squaring + - Irregular eroded end - erosions Plates - Osteoporosis Discspace - Decreased -Decreased -may be calcified or convex - Vacuum phenomenon -Usually one space -multiple. Osteophyte Prominent Absent Absent Soft tissues mass - + - Syndesmophyte Absent Absent Present Differential diagnosis of lytic lesion of spine : Malignant : osteosarcoma chondrosarcoma fibrosarcoma Ewing’s sarcoma myeloma plasmacytoma lymphoma leukemia Benign : GCT Haemangioma Eosinophilic granuloma ABC fibrodysplasia brown tumor pagets disease Differential diagnosis of ivory vertebra : Pagets disease(bone is expanded) Multiple myeloma Lymphoma Haemangioma(coarse marking) metastastasis Neoplastic lesions of vertebral column: Vertebral body : Primary Tumours: Multiple myeloma
  • 22. Chordoma Osteosarcoma Haemangioma GCT Eosinophilic Granuloma About 75%of vertebral body tumors are malignant Secondary Tumours Posterior elements : More commonly benign(65%).These includeABC, Osteoblastoma, Osteod osteoma. Type Etiology Traction osteophytes Instability. Marginal syndesmophyte As, inflammatory B.D. Nonmarginal syndesmophytes Dish, reiters and pscriasis Steffie plating for spinal pathologies
  • 23. Lumbar Spondylolysis Severe kyphosis Koch’s Spine Thoraco - Lumbar Fracture Spine Giant Cell Tumor of Spine Scoliosis Osteochandroma Dish Syndrome