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Intermittent claudication is a symptom and is by definition diagnosed by a patient reporting a history of leg pain with walking relieved by rest. However, as other conditions such as sciatica can mimic intermittent claudication, testing is often performed to confirm the diagnosis of peripheral artery disease .
Intermittent vascular (or arterial) claudication (Latin: claudicatio intermittens) most often refers to cramping pains in the buttock or leg muscles, especially the calves. It is caused by poor circulation of the blood to the affected area, called peripheral arterial disease .
Neurogenic claudication (NC), also known as pseudoclaudication, is the most common symptom of lumbar spinal stenosis (LSS) and describes intermittent leg pain from impingement of the nerves emanating from the spinal cord. [1] [2] Neurogenic means that the problem originates within the nervous system.
Compared to the other manifestation of PAD, intermittent claudication, CLI has a negative prognosis within a year after the initial diagnosis, with 1-year amputation rates of approximately 12% and mortality of 50% at 5 years and 70% at 10 years. [1]
These symptoms are called "the six P's'"; [8] [9] [10] they are commonly mis-attributed to compartment syndrome. Symptoms may also include intermittent claudication or pain at rest. In late stages, paresthesia is replaced by anesthesia (numbness) due to death of nerve cells. [11]
The symptoms are caused by ischemia of the tissues. Intermittent claudication is manifested by pain, (cramping), numbness, and fatigue in the muscles on exercise. These symptoms are relieved by rest. There may be “rest pain” at night when in bed. Also increased sensitivity to cold, muscular weakness, stiffness of the joints, and paresthesia .
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They later reported four more cases and claimed that the incidence of this pathology in patients younger than 30 years old with claudication was 40%. Servello was the first to draw attention to diminished distal pulses observed with forced plantar- or dorsiflexion in patients with this syndrome. [ 5 ]