Am. J. Respir. Crit. Care Med., Volume 157, Number 5, May 1998, 1690-1693

Successful Pulmonary Thromboendarterectomy in Two Patients with Sickle Cell Disease

GORDON L. YUNG, RICHARD N. CHANNICK, PETER F. FEDULLO, WILLIAM R. AUGER, KIM M. KERR, STUART W. JAMIESON, DAVID P. KAPELANSKI, and KENNETH M. MOSER

Division of Pulmonary and Critical Care Medicine, Department of Medicine, and Division of Cardiothoracic Surgery, Department of Surgery, University of California at San Diego, San Diego, California

Patients with sickle cell disease have been reported to have an increased risk of thromboembolism and pulmonary hypertension. Some of these patients may benefit from pulmonary thromboendarterectomy (PTE), a procedure that requires profound hypothermia, cardiopulmonary bypass, and periods of circulatory arrest, factors that may potentially increase the risk of sickling. Two patients with sickle cell disease (sickle-thalassemia [Hb S/+] and Hb SS) presented to the Pulmonary Vascular Center of UCSD Medical Center with significant shortness of breath and limitation of daily activities. Both of these patients were found to have surgically accessible chronic thromboembolic disease with pulmonary hypertension. PTE was performed in both patients using exchange transfusion, with avoidance of anemia, hypoxia, and acidosis. A successful outcome with resolution of pulmonary hypertension was achieved in both cases. To our knowledge this is the first report of patients with sickle cell disease who successfully underwent PTE for chronic thromboembolic pulmonary hypertension.

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