Vascular injuries secondary to isolated shoulder dislocation are rare. Unawareness for closed axillary artery trauma by many physicians treating shoulder dislocations, counts often for missed or delayed diagnosis. The authors describe two cases that presented with an anterior shoulder dislocation, complicated by a disruption of the axillary artery with subsequent thrombosis. The various pathogenic mechanisms are discussed. The pathognomic triad consists of anterior shoulder dislocation, absent or diminished distal pulse and an axillary protruding hematoma. Prompt surgical arterial repair is mandatory.
A case of fibromuscular dysplasia of the external iliac arteries in a seventy-one-year-old woman treated by percutaneous angioplasty is reported. External iliac artery fibrodysplasia exhibits the classic corrugated "string of beads" angiographic appearance. These lesions are symptomatic when the arterial lumen is sufficiently compromised to reduce blood flow or when superposed thrombosis and/or embolization occurs. Treatment by percutaneous angioplasty gives excellent immediate morphologic results. Claudication symptoms were absent during a one-year follow-up.
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