Peripheral Vascular Disease Case Studies
A 52-year-old man complained of pain and cramping in his right calf caused by walking two blocks. The pain was relieved with cessation of activity. The pain had been increasing in frequency and intensity. Physical examination findings were essentially normal except fordecreased hair on the right leg. The patient’s popliteal, dorsalis pedis, and posterior tibialpulses were markedly decreased compared with those of his left leg.
Routine laboratory work
Within normal limits (WNL)
Doppler ultrasound systolic pressures
Femoral: 130 mm Hg; popliteal: 90 mm Hg; posterior tibial: 88 mm Hg; dorsalis pedis: 88 mm Hg (normal: same as brachial systolic blood pressure)
Decreased amplitude of distal femoral, popliteal, dorsalis pedis, and posterior tibial pulse waves
Femoral arteriography of right leg
Obstruction of the femoral artery at the midthigh level
Arterial duplex scan
Apparent arterial obstruction in the superficial femoral artery
With the clinical picture of classic intermittent claudication, the noninvasive Doppler and plethysmographic arterial vascular study merely documented the presence and location of the arterial occlusion in the proximal femoral artery. Most vascular surgeons prefer arteriography to document the location of the vascular occlusion. The patient underwent a bypass from the proximal femoral artery to the popliteal artery. After surgery he was asymptomatic.
Critical Thinking Questions
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