What are the signs and symptoms of diabetes-related atherosclerosis?

Updated: Oct 15, 2020
  • Author: Tanzim Khan, DPM; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Answer

Most people harboring atherosclerotic disease of the lower extremities are asymptomatic; others develop ischemic symptoms. Some patients attribute ambulatory difficulties to old age and are unaware of the existence of a potentially correctible problem.

Patients who are symptomatic may present with intermittent claudication, ischemic pain at rest, nonhealing ulceration of the foot, or frank ischemia of the foot.

Cramping or fatigue of major muscle groups in one or both lower extremities that is reproducible upon walking a specific distance suggests intermittent claudication. This symptom increases with ambulation until walking is no longer possible, and it is relieved by resting for several minutes. The onset of claudication may occur sooner with more rapid walking or walking uphill or up stairs.

The claudication of infrainguinal occlusive disease typically involves the calf muscles. Discomfort, cramping, or weakness in the calves or feet is particularly common in the diabetic population because they tend to have tibioperoneal atherosclerotic occlusions. Calf muscle atrophy may also occur. Symptoms that occur in the buttocks or thighs suggest aortoiliac occlusive disease.

Rest pain is less common in the diabetic population. In some cases, a fissure, ulcer, or other break in the integrity of the skin envelope is the first sign that loss of perfusion has occurred. When a diabetic patient presents with gangrene, it is often the result of infection.


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