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January 24, 2010 | History

What factors guide physicians' transfusion decisions during coronary artery bypass surgery? 1 edition

What factors guide physicians' transfusion decisions during coronary a ...
Nadine Shehata

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What factors guide physicians' transfusion decisions during coronary artery bypass surgery?
a national survey.

Published 2005 .
Written in English.

About the Book

Background. The objectives of this study were to determine the hemoglobin transfusion thresholds, and the factors that influence physicians' decisions when transfusing coronary artery bypass surgery patients.Methods. We conducted a cross-sectional study using pilot tested, self-administered, mailed questionnaires sent to all anesthesiologists and cardiac surgeons in Canada participating in coronary bypass surgery.Results. The response rates for the intraoperative and postoperative questionnaires were 70.5% (345/489) and 60.7% (297/489), respectively. Responses were received from anesthesiologists from all cardiac centers and from cardiac surgeons from 30/32 cardiac centers. The mean hemoglobin concentrations for transfusion were 69 g/L and 72 g/L for the intraoperative and postoperative base case scenarios, respectively. Regression analysis identified the presence of myocardial ischemia, cardiac index and age as factors affecting the transfusion threshold intraoperatively and postoperatively (P < 0.0001).Conclusion. Future studies are required to elucidate whether transfusions based on these variables affect patient morbidity and mortality.

Edition Notes

Source: Masters Abstracts International, Volume: 44-02, page: 0815.

Thesis (M.Sc.)--University of Toronto, 2005.

Electronic version licensed for access by U. of T. users.

GERSTEIN MICROTEXT copy on microfiche (2 microfiches).

The Physical Object

141 leaves.
Number of pages

ID Numbers

Open Library

History Created December 11, 2009 · 2 revisions Download catalog record: RDF / JSON

January 24, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page