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Ann Thorac Surg 1978;25:306-310
© 1978 The Society of Thoracic Surgeons

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Articles

Relationship between Platelet Count and Cardiotomy Suction Return

Department of Surgery, Children's Hospital of Philadelphia and the University of Pennsylvania, Philadelphia, PA.

Accepted for publication September 13, 1977.

^* Address reprint requests to Dr. Edmunds, Children's Hospital of Philadelphia, 34th St and Civic Center Blvd, Philadelphia, PA 19104

A simple, inexpensive, accurate method of measuring the amount of blood returned by the cardiotomy suction system was devised and calibrated. Preoperative and postoperative platelet counts were obtained in 76 patients with congenital heart disease in whom the amount of cardiotomy suction return was measured. The mean percentage of total perfusate returned by the cardiotomy suction system was 8.9%. Both postoperative platelet count and the percentage change between preoperative and postoperative platelet counts correlated with the amount of blood returned by the cardiotomy suction system, time on bypass, and the percentage of total perfusate aspirated by the system.

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