Abstract
Early recognition of limb ischemia may allow prompt, effective therapy for peripheral arterial injuries. A review of cases of peripheral arterial trauma at the Toronto General Hospital since 1953 revealed that 50% of the injuries were not immediately recognized. An expanding hematoma, pulsatile hemorrhage or the onset of a bruit and thrill signifies arterial damage in penetrating wounds. Ischemia may be difficult to recognize in patients with soft tissue or skeletal trauma, but the presence of distal pallor, coolness, paresis, cyanosis, anesthesia, poor capillary refill and disproportionate pain indicates significant arterial damage and necessitates surgical exploration. The diagnosis of arterial “spasm” in such instances is untenable and can only be made after direct inspection, or on the return of pulses after reduction of a fracture or release of a tight cast. Restoration of arterial continuity by end-to-end anastomosis is the recommended technique for all arterial injuries, since after ligation of even minor vessels, ischemia may ensue, and amputation may occasionally be necessary.
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