Microcirculation was examined in 182 patients with diabetes mellitus and 20 healthy subjects. According to the disease severity all the patients were divided, as follows: 23 patients with mild diabetes, 99 with moderate form of the disease and 60 subjects with severe diabetes. Thermoassaymmetry of the lower limbs of the patients under examination and proximal distal gradient of the temperature drop were determined to reveal circulation disturbance. The "cold test" promoted discovering vascular insufficiency, whereas local dosed ether anesthesia of the limbs favoured to reveal microcirculation disorder and to determine the time of temperature normalization in the anesthetized regions of patients with diabetes mellitus, comparatively to those of normal subjects. The "hot foot" symptom is pathognomonic for osteoarthropathy.
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