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Lower-extremity arterial disease in diabetes mellitus due to chronic pancreatitis.

OBJECTIVE: To determine the prevalence of lower-extremity arterial disease and the sites of arterial obstruction in patients with pancreatic diabetes. PATIENTS AND METHODS: The retrospective study included 83 patients with diabetes due to chronic pancreatitis (age [m +/- SD] 54.5 +/- 9.5 yr, diabetes duration 9.7 +/- 7.4 yr) and 83 patients with idiopathic diabetes were carefully matched for sex, age, diabetes duration and treatment. They were screened for arteriopathy by segmental blood pressures and Doppler ultrasound, and for cardiovascular risk factors. The arterial lesions were classified as proximal (above-knee), distal (below-knee), and combined (both above- and below-knee). RESULTS: Lower extremity arterial disease occurred in 25.3% of pancreatitis patients and in 14.5% of idiopathic diabetes patients (p = 0.08). The sites of obstruction in both groups were similar; proximal obstruction: 4 vs 4 cases; distal: 10 vs 5 cases, combined: 7 vs 3 cases. The prevalence of arteriopathy increased with age and diabetes duration in both groups (p < 0.01). Total cholesterol, LDL cholesterol and apolipoprotein B were lower in the pancreatitis patients (p < 0.01); 92% of these were smokers vs 62% of idiopathic diabetes patients (p < 0.001). CONCLUSIONS: Arteriopathy, assessed by non-invasive tests, has the same prevalence and distribution in chronic pancreatitis and idiopathic diabetes patients, despite their different vascular risk factor profiles. This emphasizes the role of chronic hyperglycaemia and its duration in the pathogenesis of macroangiopathy in diabetic patients.

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[Medical and surgical management of septic diabetic foot].

Infected wounds in diabetic patients are still frequent and the main cause of amputations. The experience of 180 patients admitted for foot lesions between june 1988 and september 1993 shows us the importance of combined medical and chirurgical cares. Non invasive vascular evaluation is reliable and often sufficient for preoperative vascular assessment. Total excision of infected and necrotic tissues is essential for the control of septic conditions. Conservative surgery can be considered a possibility as atypic amputations and adapted footwear may allow quick recovery and early walking. Resigned attitudes and pejorative outlooks are out-of-date, when faced with a diabetic foot problem. Optimal metabolic control and full preoperative assessment guide surgical possibilities.

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