With a sensitivity of 90% and specificity of >95% –using angiography as the standard.ĪBI of >1.4 is considered inaccurate and indicative of vascular calcification (ie, Calculated as a ratio of the higher systolic blood pressure measured at the ankles (dorsalis pedis and posterior tibial arteries) to that of the arms (brachial arteries),Īfter the patient has been supine for five to ten minutes Preferred non-invasive arterial testing modality Lower extremity arterial testing may then be performed to support the diagnosis and aid in localizing the site of stenotic lesions. 1997 26(3):517–538.ĭiagnosis of peripheral artery disease may be evident from a history of risk factors,Ĭlinical presentation and relevant physical exam findings. Recommended standards for reports dealing with lower extremity ischemia: revised version. Suggested standards for reports dealing with lower extremity ischemia. Surgical treatment of peripheral circulation disorders Helv Chir Acta.
References: Adapted from Fontaine R, Kim M, Kieny R. Pain is exacerbated at night when the foot is in a non-dependent position and is only responsive to narcotics.Ībout 25% of patients with CLI require a major amputation at 1 year (20). Or tissue loss via non-healing ulcers and gangrene. It involves lower limb pain present even at rest, Thigh or buttock pain may also arise as a result of proximal aortiliac disease. Given that the superficial femoral artery is the most frequently affected by atherosclerosis. Symptoms arise in the muscle groups located one joint level below the region of arterial occlusion. That is relieved after 10 to 15 minutes of rest. Patients complain of lower limb muscle pain,Ĭramping or weakness induced by walking a consistent distance, The classic presentation of PAD is intermittent claudication. Though the majority of patients are asymptomatic,
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