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The Annals of Thoracic Surgery, Vol 29, 117-122, Copyright © 1980 by The Society of Thoracic Surgeons

ARTICLES

The use of blood and blood components in 1,769 patients undergoing open- heart surgery

WL Bayer, WM Coenen, DC Jenkins and ML Zucker

There has been a decrease in the use of whole blood and red cell transfusions during and after open-heart operations in the greater Kansas City area from an average of slightly more than 9 units per patient from 1969 through 1971, to just over 3 units per patient from 1975 through 1977. In 1977, 1,256 patients, or 71% of 1,769 patients, underwent coronary artery bypass exclusively and had an average transfusion utilization of 2.6 units. All other open-heart operations averaged 4.7 units per patient. Hemodilution and the acceptance of hematocrits between 25 and 30% in open-heart operations are probably the main factors responsible for lower transfusion use per patient, while the increased proportion of patients undergoing coronary artery bypass accounts for a further decrease in the average amount of blood used per patient. It is of note that blood transfused to patients having an open-heart operation was not significantly fresher than blood for routine use, yet hemostasis was not a problem as evidenced by the small use of fresh-frozen plasma in 67 patients (3.8%) and platelet concentrates in 42 patients (2.4%).

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				L. Y. Lee, W. J. DeBois, K. H. Krieger, and O. W. Isom Transfusion Therapy and Blood Conservation Card. Surg. Adult, January 1, 2003; 2(2003): 389 - 400. [Full Text]