Recurrent Pulmonary Emboli with Duplication of the Inferior Vena Cava

Abstract
ALTHOUGH pulmonary emboli can originate in any part of the venous circulation, including the right side of the heart, the common sites for development of a thrombus are the deep veins of the lower extremities and the large pelvic veins. Surgical treatment of these patients by caval interruption may be markedly complicated by major venous anomalies of the cava, as demonstrated in the case reported below.Case ReportA 23-year-old mechanic had shortness of breath, cough and pleuritic pain in his chest. Similar complaints at ages 18 and 21 had been treated with anticoagulants. Physical examination revealed a blood pressure . . .