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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 .
The prognosis for patients with peripheral vascular disease due to atherosclerosis is poor; patients with intermittent claudication due to atherosclerosis are at increased risk of death from cardiovascular disease (e.g. heart attack), because the same disease that affects the legs is often present in the arteries of the heart. [8]
In the arterial system, bubbles (arterial gas embolism) are far more dangerous because they block circulation and cause infarction (tissue death, due to local loss of blood flow). In the brain, infarction results in stroke , and in the spinal cord it may result in paralysis .
Both neurogenic claudication and vascular claudication manifest as leg pain with walking, but several key features help distinguish between these conditions. [7] In contrast to NC, vascular claudication does not vary with changes in posture. [9] Patients with vascular claudication may experience relief with standing, which may provoke symptoms ...
The risk is low that an individual with claudication will develop severe ischemia and require amputation, but the risk of death from coronary events is three to four times higher than matched controls without claudication. [74] Of patients with intermittent claudication, only "7% will undergo lower-extremity bypass surgery, 4% major amputations ...
The latter two conditions are jointly referred to as tissue loss, reflecting the development of surface damage to the limb tissue due to the most severe stage of ischemia. 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 ...
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] In severe cases, gangrene can occur suddenly and spread rapidly, [12] and should be treated within six hours of ischaemia. [13]
Cerebral infarction, also known as an ischemic stroke, is the pathologic process that results in an area of necrotic tissue in the brain (cerebral infarct). [1] In mid to high income countries, a stroke is the main reason for disability among people and the 2nd cause of death. [2]