Chronic Unilateral Pulmonary-Artery Thrombosis

Abstract

ACUTE, massive pulmonary embolism — always an event of major clinical concern and interest — has received increased attention in recent years as improved technics for accomplishing emergency embolectomy have been developed.^{1 2 3} In contrast, chronic, massive, pulmonary arterial thromboembolism has attracted less diagnostic and therapeutic enthusiasm. This disparity is undoubtedly related to the less dramatic clinical picture of chronic thromboembolism, the ease with which it masquerades as or is masked by diverse cardiopulmonary disorders and the concept that it is not amenable to surgical correction.^{4 5 6 7} In the past, chronic, massive thromboembolic pulmonary-artery occlusion has been recognized chiefly at the . . .