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Journal of Cardiothoracic Surgery

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Open Access 01-12-2013 | Research article

Risk factors for postoperative hypoxemia in patients undergoing Stanford A aortic dissection surgery

Authors: Yinghua Wang, Song Xue, Hongsheng Zhu

Published in: Journal of Cardiothoracic Surgery | Issue 1/2013

Abstract

Background

The purpose of this study is to identify the risk factors for postoperative hypoxemia in patients with Stanford A aortic dissection surgery and their relation to clinical outcomes.

Methods

Clinical records of 186 patients with postoperative hypoxemia in Stanford A aortic dissection were analyzed retrospectively. The patients were divided into two groups by postoperative oxygen fraction (PaO2/FiO2):hypoxemia group (N=92) and non-hypoxemia group (N=94).

Results

We found that the incidence of postoperative hypoxemia was 49.5%. Statistical analysis by t-test and χ2 indicated that acute onset of the aortic dissection (p=0.000), preoperative oxygen fraction (PaO2/FiO2) ≤200 mmHg(p=0.000), body mass index (p=0.008), circulatory arrest (CA) time (p=0.000) and transfusion more than 3000 ml(p=0.000) were significantly associated with postoperative hypoxemia. Multiple logistic regression analysis showed that preoperative hypoxemia, CA time and transfusion more than 3000 ml were independently associated with postoperative hypoxemia in Stanford A aortic dissection.

Conclusion

Our results suggest that postoperative hypoxemia is a common complication in patients treated by Stanford A aortic dissection surgery. Preoperative oxygen fraction lower than 200 mmHg, longer CA time and transfusion more than 3000 ml are predictors of postoperative hypoxemia in Stanford A aortic dissection.

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Title: Risk factors for postoperative hypoxemia in patients undergoing Stanford A aortic dissection surgery
Authors: Yinghua Wang
Song Xue
Hongsheng Zhu
Publication date: 01-12-2013
Publisher: BioMed Central
Published in: Journal of Cardiothoracic Surgery / Issue 1/2013
Electronic ISSN: 1749-8090
DOI: https://doi.org/10.1186/1749-8090-8-118

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Risk factors for postoperative hypoxemia in patients undergoing Stanford A aortic dissection surgery

Abstract

Background

Methods

Results

Conclusion

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Methods

Results

Conclusion

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