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Diabetic Microvascular Complications   Mathew John  MD, DM, DNB  Consultant Endocrinologist
Microvascular complication   MICROVASCULAR  COMPLICATIONS  Retinopathy Neuropathy Nephropathy Cardiomyopathy Cheiroarhropathy Dermopathy
Structure of talk   ,[object Object],[object Object],[object Object],Retinopathy  Nephropathy  Neuropathy
Therapeutic failures in diabetes  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Magnitude of the problem  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
UKPDS results of Intensive therapy Risk reduction vs. conventional therapy
Risk factors for microvascular complications  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Pathophysiology of complications
Diabetic Retinopathy
Retinopathy  ,[object Object],[object Object],[object Object],[object Object],[object Object]
How common is retinopathy ?  ,[object Object],[object Object],[object Object]
International Clinical Diabetic Retinopathy (DR) Disease Severity Scale ,[object Object],[object Object],[object Object],[object Object],[object Object]
Mild non proliferative retinopathy  Flame  shaped  hemorrhages   Microaneursms Dot & Blot hemorrhages
Severe non proliferative retinopathy
Proliferative retinopathy
Clinically Significant Macular edema  www.retinalphysician.com/archive%5C2009%5CJan
Vitreous hemorrhage
Symptoms of diabetic retinopathy  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Screening & Diagnosis   ,[object Object],[object Object],Only 50 % of the eyes are correctly classified as to the presence of retinopathy through undilated eye examinations   Appropriate eye evaluation  Pupillary dilatation Slit lamp biomicroscopy Indirect ophthalmoscopy for retinal periphery  Gonioscopy  Flourescein Angiogram
Prognosis  ,[object Object],[object Object],PDR : Proliferative diabetic retinopathy  CSME : Clinically significant Macular edema  ETDRS study, 1991
Effective LASER treatment  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Metabolic management  ,[object Object],[object Object],[object Object],[object Object]
Diabetic Nephropathy
Nephropathy  ,[object Object],[object Object],[object Object],[object Object]
Signs & Symptoms  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],As diabetic nephropathy is asymptomatic, we need to screen  for nephropathy in all our patients with diabetes mellitus
Laboratory investigations  ,[object Object],[object Object],[object Object],[object Object]
Urine microalbumin  ,[object Object],[object Object],[object Object],[object Object],Repeat urine sample to confirm microalbuminuria
Progression of nephropathy Normal   Microalbuminuria  2% per annum  Clinical  Nephropathy > 300 mg/gm  2% per annum  < 30 mg/gm  30-300 mg/gm
If microalbumin is positive  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Treatment  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Treatment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Agents that block the RAAS provide additional benefit on  reduction of microalbumin independent of blood pressure  reduction
Prevention of nephropathy progression  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Diabetic Neuropathy
WHO definition ,[object Object]
Why is neuropathy important ?  ,[object Object],[object Object],[object Object],[object Object]
Classification  ,[object Object],[object Object],[object Object],[object Object]
Symmetric polyneuropathy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Symmetric neuropathy  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Signs of sensory neuropathy  ,[object Object],[object Object],[object Object],[object Object]
Signs of motor neuropathy ,[object Object],[object Object],Claw toe                                                                                                    
Diagnosis  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Simple tools  ,[object Object]
Biothesiometer  ,[object Object],[object Object],Picture courtesy: http://www.diabetes.usyd.edu.au/foot/Fexam1.html >25 volts: suggestive of  neuropathy
Road to ulcer  Bunions  Clawed toes  Abnormal toe nails
Fissure Story –Origin: Dysautonomia   ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The Callus Story- Origin: Motor   ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The Extent of Diabetic Neuropathy
Carpal Tunnel Syndrome  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Diabetic Amyotrophy  ,[object Object],[object Object],[object Object],[object Object],[object Object]
Cranial Nerve Palsy  ,[object Object],[object Object],[object Object],[object Object]
Treatment  ,[object Object],[object Object],[object Object],Effective patient education can reduce the incidence of foot  ulceration and amputation by over 50 % Boulton AJM.  Lowering the risk of neuropathy, foot ulcers and amputations Diabetic Medicine Volume 15 Issue S4, Pages S57 - S59
Basic foot care education  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Drugs for symptomatic relief ,[object Object],[object Object],[object Object],[object Object]
Autonomic Neuropathy  ,[object Object],[object Object],[object Object],[object Object]
Key messages  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Thank you  ,[object Object],[object Object],[object Object],[object Object],The Endocrinology & Diabetes Practice Trivandrum  www.endocrinologydiabetes.com

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Diabetic Microvascular Complications

Hinweis der Redaktion

  1. 50 % of all patients with type 1 DM and PDR and &gt; 10 years duration have concomitant proteinuria
  2. Measurement of the albumin-to-creatinine ratio in a random spot collection OR 2) 24-h collection with creatinine, allowing the simultaneous measurement of creatinine clearance; and OR 3) timed (e.g., 4-h or overnight) collection .
  3. In the Kumamoto Study, a reduction in the conversion from micro- to macroalbuminuria was observed with intensive treatment
  4. It often is considered that the clinical expression of diabetic neuropathy is the tip of the iceberg. Patients presenting with symptoms, particularly numbness and pain, represent only a small percentage of patients with neuropathy. Clinical examination may detect asymptomatic neuropathy in another 30% of patients. Further sophisticated testing, including quantitative sensory testing and electrophysiologic testing, such as nerve conduction velocity, might pick up abnormalities in another 30% to 40% of patients who cannot be detected on clinical examination, but such testing is rarely, if ever, done in clinical practice on asymptomatic patients. The clinician usually can differentiate the symptoms of neuropathy from other symptoms based on the pattern of complaints and physical findings. Occasionally, electrophysiologic testing may be required.