Abstract
SUCCESSFUL RESTORATION of circulation in embolic occlusions of 24 to 96 hours' duration of arteries of lower extremities is reported. Factors affecting results in these patients operated on showed that extended time of occlusion is not a deterrent to salvage of limb and function. Diagnosis Differentiation between embolic and thrombotic occlusion is essential. Embolectomy is recommended except when another disease is life-threatening, whereas operation for acute thrombotic occlusion is to be avoided except under specific conditions. Arteriography is most specific diagnostic procedure and can be done with little loss of time or additional hazard. Emboli lodge where vessels narrow, usually at major bifurcations. A concavity in distal end of radiopaque dye column, the inverted meniscus sign, is pathognomonic of embolic occlusion (Fig 1). An exception occurs in distal superficial femoral artery where emboli may seat at adductor magnus hiatus, some distance from a proximal
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