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1362574601 epidemiology of df & higher level amputations

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epidemiology of df & higher level amputations

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1362574601 epidemiology of df & higher level amputations

  1. 1. EPIDEMIOLOGY DIABETIC FOOT & HIGHER LEVEL AMPUTATIONS DFSI Oct 2006 DR. SHARAD PENDSEY NAGPUR
  2. 2. MAGNITUDE OF THE PROBLEM GLOBAL  25% diabetics develop foot ulcers in their life time  Diabetic foot is the commonest indication for hospitalisation  Diabetic foot requires longest hospital stay
  3. 3. MAGNITUDE OF THE PROBLEM GLOBAL  Diabetics are 40 times more likely to loose a leg as compared to non diabetics  75% of all leg amputations happen in people with diabetes  About 1 million people loose a leg, every year, due to diabetes
  4. 4. MAGNITUDE OF THE PROBLEM GLOBAL Every 30 seconds a leg is lost somewhere in the world, due to diabetes
  5. 5. DIABETIC FOOT INFECTIONS SOCIOECONOMIC FACTORS :  Barefoot walking  Inappropriate footwear-Hawaii slippers  Lack of awareness in patients & doctors  Faith healers & alternative medicine  Home surgery
  6. 6. Cross Section of Diabetic Patients 0 20 40 60 80 < 30 30 to 60 60 to 70 70 to 80 > 80 Age in Years %ofpatients n=7400
  7. 7. Cross Section of Diabetic Patients 0 20 40 60 80 <10 10 to 20 20 to 30 >30 Duration of DM in Years %ofpatients n=7400
  8. 8. TYPES OF FOOT LESIONS  Neuropathic Foot 90 % Extrinsic 70 % Intrinsic 30 %  Neuroischaemic Foot 10 % The scenario would change with longevity & longstanding DM
  9. 9. EPIDEMIOLOGICAL ASPECTS OF THE DIABETIC FOOT Western Our Series Prevalence 3% 3.61% Mean Age 68 53.55 F/M Ratio 1:27 1:3 PVD 40-60% 4-8% Cost of treatment of foot ulcer(US$) Diagnosis to healing 14,627 500 Ref: Pendsey SP. Int.J.Diab.Dev.Countries(1994),vol.14
  10. 10. EPIDEMIC OF DIABETES 38 million diabetics in India Type 1 diabetes only 1 to 3% Diabetic foot is rare in type 1 diabetics & constitute less than 0.5% of all cases In Sweden prevalence of Diabetic foot ulcer in type 1 is 10 % & type 2 is 9% Borssen, Diabetic Med. 1991,7,438-444
  11. 11. THE DIABETIC FOOT TRIPLE JEOPARDY  NEUROPATHY  ISCHAEMIA  INFECTION
  12. 12. DIABETIC FOOT ULCERS  40-80% of ulcers eventually get infected  25-50% of infections require minor foot amputation  And 10-40% require major amputation
  13. 13. REALITIES  40,000 legs are amputated every year  Commonest indication - Infected Neuropathic Foot (potentially preventable)
  14. 14. MORTALITY & LEG AMPUTATIONS  Peri-Operative 10%  30% of amputees die within 1 year  50% of amputees die within 3 years  50% of amputees undergo contralateral amputation within 5 years
  15. 15. EPIDEMIOLOGICAL ASPECTS OF THE DIABETIC FOOT Western Our Series Mean Age at amputation 75yrs 61.25yrs Mortality at 2yrs 40% 16% Contralateral amputation 30-50% 11.11% AK:BK Amputation 1:2 1:17 Cost of major amputation 73,702 2000 (US$) Ref: Pendsey SP. Int.J.Diab.Dev.Countries(1994),vol.14
  16. 16. ANALYSIS OF DIABETIC FOOT CASES Major Amputations 45 3.5% Minor Amputations 256 20% Salvage of foot 982 76.5% Total Number = 1283 Year 2000 – 2005
  17. 17. ANALYSIS OF AMPUTATIONS Major Amputations 45 Trans femoral (AK) 4 8.88% Trans tibial (BK) 41 91.11% Total Number = 1283 Year 2000 – 2005
  18. 18. ANALYSIS OF AMPUTATIONS Major Amputations 45 Contralateral 2 4.44% Mortality at 5 years 9 20% Total Number = 1283 Year 2000 – 2005
  19. 19. Ethnic origin Amputation Rate Asians 3.4/10,000 Caucasians 14.2/10,000 Gujral et al. Diabetic Med. 1992,117,97-105 AMPUTATION RATES In individuals with diabetes in UK
  20. 20. FUTURE SHOCK  Longevity of people with DM  Type 1 & 2 DM > 30 yrs duration  Longterm complications of DM  Neuroischaemic feet  Charcot foot
  21. 21. FUTURE SHOCK  Leg amputations  AK Amputations  Bilateral Amputees  Mortality after Amputation
  22. 22.  50% reduction in leg amputations has been achieved in the Western World  85% amputations are preceded by trivial foot ulcers  India might emerge as the country with highest leg amputations in the world ALERT

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