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Fine Screen Filtration of Blood

George J. Reul, Jr., MD; S. Donald Greenberg, MD; Edward A. Lefrak, MD; William B. McCollum, MD; Arthur C. Beall, Jr., MD; George L. Jordan, Jr., MD

AMA Arch Surg. 1973;106(4):386-394.

Abstract
In an attempt to prevent post-traumatic pulmonary insufficiency possibly resulting from massive blood transfusions, 29 trauma cases were studied prospectively. Thirteen patients received from 10 to 63 units of blood through a fine screen filter (Ultipor) consisting of a uniform pore size of 40µ. This group was compared to a control group of 16 patients who received from 10 to 40 units of blood through a standard 170µ blood filter. An average of 19 units of blood was transfused. In the control group eight of 16 patients developed some degree of pulmonary insufficiency. Only two of thirteen developed pulmonary insufficiency in the filter group. These findings correlated well with lung biopsy specimens. It is apparent that one of the mechanisms of post-traumatic pulmonary insufficiency has been altered significantly by the use of the fine screen filter.

Author Affiliations
Houston

From the Cora and Webb Mading Department of Surgery (Drs. Reul, Lefrak, McCollum, Beall, and Jordan) and the Department of Pathology (Dr. Greenberg), Baylor College of Medicine, and Ben Taub General Hospital, Houston.

Footnotes
Accepted for publication Dec 15, 1972.

Read before the 80th annual meeting of the Western Surgical Association, Rochester, Minn, Nov 16, 1972.

Reprint requests to 1502 Taub Loop, Houston 77025 (Dr. Reul).

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