1362574246 economic burden diabetic foot l 2a
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Transcript of 1362574246 economic burden diabetic foot l 2a
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Economic Burden of Diabetic Foot
Dr Sanjeev KelkarHead, Project Management GroupSecretary DFSI October 2007MSD Training Program
Information of this presentation courtesy Dr Anil Kapur of WDF Denmark
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Economic Burden of Diabetic Foot
Even those patients with diabetes having ready access to health care and are provided with education on foot care, 9% develop foot infections in a two year follow up,
(Lavery LA, et al, Risk factors for foot infections in persons with diabetes mellitus, Diabetes Care, 2006,; 29:1288-93)
This is an English study
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Temporal Prevalence in Urban South India
5.0
8.2
11.6
14.2
R2 = 0.9971
0
2
4
6
8
10
12
14
16
18
20
1988 1992 1996 2000
Kudremukh
Chennai
Chennai
ChennaiBangaloreHyderabad
Ramachandran A et al
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Diabetes Mellitus- Genetics
Risk of Diabetes
- F/H/O Diabetes- One parent diabetic- One parent diabetic and
other from a diabetic family
Family History
20 %40 %
70 %
V Mohan & KGMM AlbertiV Mohan & KGMM AlbertiInternational Textbook of Diabetes Mellitus,1992,178.International Textbook of Diabetes Mellitus,1992,178.
• Family history significant predictor of Diabetes
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Presenting SymptomsSymptoms All Type 1 Type 2Tiredness / Fatigue 50.7% 46.5% 51.0% Excess Urination 43.3% 59.2% 42.4% Excess Thirst/Hunger 38.2 % 52.1% 37.4% Weight Loss 19.7% 34.4% 18.9% Nausea/ Abdom. Pain 18.0% 17.8% 16.5% Non Healing Wound 7.4% 7.4% 7.4% Others 2.1% 2.1% 2.1%
Skin Infection 1.9% 3.2% 1.8% Heart Problems 1.3% 0.7% 1.3% Loss of Sensation 0.4% 0.4% 0.4%
CODI Study
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Test All Type 1 Type 2Urine 93.8% 97.9% 93.6%FBS 91.8% 94.7% 91.6%PPBS 93.2% 96.1% 93.0%OGTT 17.9% 19.1% 17.8%GHb 7.6% 18.4% 7.0%Serum Lipids 7.4% 9.9% 7.3%Kidney Function 11.1% 17.4% 10.8%X-rays 16.8% 24.5% 16.4%ECG 25.5% 38.3% 24.8%Others 3.3% 4.3% 3.3%BP Measurement 54.3% 51.8% 54.4%Foot Examination 7.5% 11.7% 7.2%Eye Examination 35.1% 37.6% 35.0%
Lab Tests / Clinical Examination Since Diagnosis
CODI Study
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Late Complications
39%31%
7% 3% 1%
Types of Complications
Foot Eye MI Stroke ESRD
Number of Complications
46%
30%
10%
14%
Nil One Two Three+
Does Not Include •Hypertension (27%)•Proteinuria (8%)•Elevated Creatinine (4%) •Lipid Abnormalities (54%)
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CODE 2: Effect of complications on per patient costs
0
1
2
3
4C
ost i
mpa
ct fa
ctor
None Microvascular Macrovascular Both
Without complications With complications
1.7 X 2.0 X
3.5 X
Lucioni C et al. PharmacoEconomics- Italian Research Articles, 2000 2(1):1-21
None Microvascular Macrovascular Both
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Effect Of Patient Education On Amputation Rates
Knee & Above
12%
15%
5%
46%
35%
60%
Toe & Metatarsal
Below KneeNo Education
Education
University Hospital of Geneva 1979-1989. All comparisons p<0.001. Assal JP et al. Diabete Metab 1993.
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CODI Study / AKap/ NNEF ORG Centre for Social Research
Hospitalization Rate Complication Specific
34.5%
3.1%10.1%
22.6%17.6%
5.8% 4.1%
27.1% 26.7%
Hear
t
Neur
o
Eye
NHW
Kidn
ey
HBP
Skin TB
Para
lysi
s
CODI Study / AKap/ NNEF ORG Centre for Social Research
Total Mean Duration of HospitalizationCause Specific
14.78.2
14.5
13.9
32.5
9.411.1
21.525.7
6.7
16.013.2
0102030405060
Hear
t
Neur
o
Eye
NHW
Kidn
ey
HBP
Skin TB
Para
lysi
s
Hype
r
Hypo
Oth
er
Days
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CODI Study / AKap/ NNEF ORG Centre for Social Research
Total Mean Hospitalization Cost Cause Specific
11.2
7.7
19.6
7.65.9
11.27.1
13.9
27.5
0
20
40
60
80
100
Hear
t
Neur
o
Eye
NHW
HBP
Skin
Hype
r
Hypo
Oth
er
Mea
n Co
st in
INR
('000
)
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CODI Study / AKap/ NNEF ORG Centre for Social Research
Productivity LossProblems at Work
Working 3059 55.5%Problems at Work 1008 33.0%
Income Loss due to leave 1008 100.0%Gave up Business 4 0.1%
Reduced Working Hours 820 81.3%Voluntary Retirement 14 1.7%
Leave in Last Month 354 11.6%Feeling Uneasy 211 59.6%
Tiredness 12 3.4%Visit Doctor 70 19.8%Hospitalized 13 3.7%
No Reason Given 8 2.3%Missing Information 50 14.1%
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Classification of Diabetic foot Wounds
Several available – none universally acceptable
Wagner – Meggitt six grade classification by depth of the ulcer and extent of
gangrene The University of Texas Classification
grades wounds by the ulcer depth and then stages by presence of infection and ischemia
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Classification of Diabetic foot Wounds
S(AD) grades wound in five categories depending upon the size which includes area and depth, in addition to the presence of sepsis, arteriopathy, and denervation
PEDIS by the International working group on the Diabetic Foot – grading on
Perfusion, Extent, Depth, Infection and Sensation
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Classification of Diabetic foot Wounds
The Infectious Diseases Society of America Subdivides infected diabetic foot wounds
in mild ie restricted involvement of skin and subcutaneous tissue
moderate ie, more extensive or affecting deeper tissues
severe ie,accompanied by systemic signs of infection or metabolic instability
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Classification of Diabetic foot Wounds
Mike Edmonds – Ali Foster Normal Foot High risk foot Ulcerated foot Infected foot Ischemic foot Gangrenous foot
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Classification of Diabetic foot Wounds
The purpose is as for all classifications To be able to describe as closely as
possible, to analyse such hopefully accurate descriptions of wounds in comparing results
Overlaps notwithstanding comparisons across studies may be difficult