lesions in the feet caused by diabetes mellitus · cost of foot ulcers atlas of the diabetic foot,...
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Lesions in the feet caused by
diabetes mellitus
N. Tentolouris
1st Dept. of Internal Medicine
Athens University Medical School
Laiko General Hospital
Athens, Greece
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Prevalence of the diabetic foot
Diabetic foot. In: Vascular Surgery, Liapis Ch (Eds), Sringer-Verlag, Berlin, 2005
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Prevalence and incidence of the
diabetic foot worldwide
•Prevalence 4-10%
Age < 45 yrs 1.7-3.3%
Age > 60 yrs 5-10%
•Incidence 2.2-5.9% per year
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Which is the most common cause
of diabetic foot problems?
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EURODIALE Study (2006)
A total of 1229 patients with a new ulcer between September 1 2003 and October 1 2004
Ιschaemia: 49%
Ischaemia and infection: 31%
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Σακσαπώδηρ Διαβήηηρ Κάπνιζμα
δςζλιπιδαιμία
Πεπιθεπική
Απηηπιοπάθεια Αιζθηηικοκινηηική
νεςποπάθεια
Νεςποπάθεια
Αςηονόμος ΝΣ Πεπιοπιζμένη
κινηηικόηηηα απθπώζεων
Ελαηηωμένη
εθίδπωζη
Μεηαβολέρ
αιμαη. ποήρ
Διάηαζη
θλεβών
Θεπμό
πόδι
Ξηπό δέπμα
Κάλορ
Αςξημένερ
Πιέζειρ
ζηο πόδι
Νεςποπαθηηικό
Πόδι ζε κίνδςνο
Απώλεια
μεζοζηέων
μςών
Ελαηη αίζθηζη πόνος
& ιδιοδεκηική αίζθηζη
Νεςποϊζσαιμικό
Πόδι ζε κίνδςνο
Τπαύμα
Ιζσαιμικό
Έλκορ Νεςποϊζσαιμικό
Έλκορ
Νεςποπαθηηικό
Έλκορ
Ψςσοκοινωνικά πποβλήμαηα
Πποβλήμαηα ζςμπεπιθοπάρ
.
Παπαμοπθώζειρ
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Why diabetic foot matters?
• 50-70% of the amputations are performed in patients with diabetes
• The RR of amputation is 10-15 times higher in persons with diabetes
• USA: ~80.000 amputations per year in patients with diabetes
• In 85% of the amputations the cause is a foot ulcer
• Ischaemia and non-healing ulcers: – Cause of amputation in 50-70% in patients with diabetes
• Infections complicated ulcers: – Cause of amputation in 20-50% in patients with diabetes
Reiber et al. National Institute of Health, 1995
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Diabetes Care,
2004, 271: 1598-1604
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High prevalence rates of co-morbidity in
diabetic patients with foot ulcers
0
5
10
15
20
25
30
35
40
CAD LEAD Retinopathy Nephropathy
Pre
va
lnc
e (
%)
No ulcer
Ulcer
Tentolouris N et al., Wounds (2008)
Blue columns: Diabetic patients without ulcer (n=508)
Red columns: Diabetic patients with ulcer (n=234)
* *
*
*
*P<0.05
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Even higher prevalence rates of co-morbidity
in diabetic patients with neuroischaemic foot
ulcers
0
10
20
30
40
50
60
CAD Retinopathy Nephropathy
Pre
vale
nce
(%
)
Neuropathic
Neuroischaemic
Blue columns: Diabetic patients without ulcer (n=152)
Red columns: Diabetic patients with ulcer (n=82)
Tentolouris N et al., Wounds (2008)
* *
*
*P<0.001
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Cost of foot ulcers
Atlas of the Diabetic Foot, 2nd Edn, 2010, Wiley-Blackwell
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Dry gangrene
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Wet
gangrene
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Colour change of NEUROPAD
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The performance of Neuropad for the diagnosis of neuropathy
FULL PUBLICATIONS
ZICK et al, 2003 Sensitivity: 90%, Specificity: 74%
PAPANAS et al, 2005 Sensitivity: 94.4%, Specificity: 69.7%
PAPANAS et al, 2007
SHEN et al, 2007
PAPANAS et al, 2007, in press
Sensitivity: 95%, Specificity: 69.8%
Sensitivity: 92.8%, Specificity: 78.5%
Sensitivity: 97.8%, Specificity: 67.2%
ABSTRACTS
MANES et al, 2004 Sensitivity: 90%, Specificity: 66%
MARINOU et al, 2005 Sensitivity: 86%, Specificity: 68.2%
MALIK et al, 2006
DIDANGELOS et al, 2006
Sensitivity: 86%, Specificity: 60%
Sensitivity: 95%, Specificity: 69%
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Excellent (κ= 0.88) agreement between the health care
professional and the patients
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What will you suggest to a patient with
neuropathy?
• Education in foot care
• Proper shoes and insoles
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Orthotics
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Therapeutic shoes
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Callosities
1) Off-loading
2) Callus removal
3) Reduction of skin dryness using creams containg
urea 10-20%
4) Regular podiatry follow up
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A patient with long-standing diabetes attends the
foot clinic with a foot which is red, swollen and
warm: what is your diagnosis?
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Neuro-osteoarthropathy
Definition
• Charcot neuropathic osteoarthropathy
(CN), commonly referred to as the Charcot
foot, is a condition affecting the bones,
joints, and soft tissues of the foot and
ankle, characterized by inflammation in the
earliest phase.
Prevalence: 0.8-8%
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Risk factors of CN
1) Long duration of diabetes
2) Dense peripheral somatic neuropathy
3) Autonomic neuropathy
4) Adequate blood supply to the feet
5) Osteoporosis
6) Other microangiopathic complications
7) Kidney tranplantation
8) Anorexia nervosa
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Typical chronic CN deformity
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Typical chronic CN deformity
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Chronic CN deformity
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Chronic CN deformity with relapsing
pedal ulcers
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Chronic CN deformity with a relapsing
pedal ulcer
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Dry skin, callosities and claw toe
deformity
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Neuropathic ulcers
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Neuroischaemic ulcers
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Dry gangrene
Τσαπόγας
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Septic arteritis
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How will you manage these patients?
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