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The Prevention of Primary Postoperative Thrombosis: A Reliable Capillary Tube Clotting Time Method

The Prevention of Primary Postoperative Thrombosis: A Reliable Capillary Tube Clotting Time Method Abstract I have personally done many hundreds of capillary tube clotting time estimations, using homemade glass capillary tubes of a certain size. Gradually, by trial and error, and by chance, ways have been found to reduce or eliminate some of the variables in the test. Unexpectedly, one of the most important variables was found to be in the capillary tubes themselves. This led to a study of the behavior of homemade capillary tubes when used to test the clotting time of normal blood at body temperature, and to the observation, many times repeated, that freshly drawn capillary tubes give short and erratic clotting times, but that tubes from the same batch, after being allowed to age for some months, give very uniform and dependable clotting times, and continue to do so indefinitely. It was also possible to demonstrate that there is only one normal clotting time for a given set of References 1. Bergquist, G.: Über postoperative Thrombosen: Vorläufige Mitteilung , Acta chir. scandinav. 83:415, 1940. 2. Brown, D.: Personal communication to the author, 1957. 3. Cosgriff, S. W.; Cross, R. J., and Habif, D. V.: The Management of Venous Thrombosis and Pulmonary Embolism , S. Clin. North America 28:324, 1948. 4. Cummine, H., and Lyons, R. N.: A Study in Intravascular Thrombosis with Some New Conceptions of the Mechanism of Coagulation , Brit. J. Surg. 35:337, 1948.Crossref 5. de Takats, G., and Fowler, E. F.: The Problem of Thrombo-Embolism , Surgery 17:153, 1945. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png A.M.A. Archives Surgery American Medical Association

The Prevention of Primary Postoperative Thrombosis: A Reliable Capillary Tube Clotting Time Method

A.M.A. Archives Surgery , Volume 79 (5) – Nov 1, 1959

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Publisher
American Medical Association
Copyright
Copyright © 1959 American Medical Association. All Rights Reserved.
ISSN
0096-6908
DOI
10.1001/archsurg.1959.04320110077013
Publisher site
See Article on Publisher Site

Abstract

Abstract I have personally done many hundreds of capillary tube clotting time estimations, using homemade glass capillary tubes of a certain size. Gradually, by trial and error, and by chance, ways have been found to reduce or eliminate some of the variables in the test. Unexpectedly, one of the most important variables was found to be in the capillary tubes themselves. This led to a study of the behavior of homemade capillary tubes when used to test the clotting time of normal blood at body temperature, and to the observation, many times repeated, that freshly drawn capillary tubes give short and erratic clotting times, but that tubes from the same batch, after being allowed to age for some months, give very uniform and dependable clotting times, and continue to do so indefinitely. It was also possible to demonstrate that there is only one normal clotting time for a given set of References 1. Bergquist, G.: Über postoperative Thrombosen: Vorläufige Mitteilung , Acta chir. scandinav. 83:415, 1940. 2. Brown, D.: Personal communication to the author, 1957. 3. Cosgriff, S. W.; Cross, R. J., and Habif, D. V.: The Management of Venous Thrombosis and Pulmonary Embolism , S. Clin. North America 28:324, 1948. 4. Cummine, H., and Lyons, R. N.: A Study in Intravascular Thrombosis with Some New Conceptions of the Mechanism of Coagulation , Brit. J. Surg. 35:337, 1948.Crossref 5. de Takats, G., and Fowler, E. F.: The Problem of Thrombo-Embolism , Surgery 17:153, 1945.

Journal

A.M.A. Archives SurgeryAmerican Medical Association

Published: Nov 1, 1959

References