期刊
ANNALS OF THORACIC SURGERY
卷 111, 期 2, 页码 623-628出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.athoracsur.2020.02.012
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The study identified factors like postcardiotomy VA ECMO, low levels of hemoglobin and fibrinogen, low pH value, and low body mass index as associated with a higher risk for early major bleeding events. Major bleeding events were also independently associated with mortality.
Background. Venoarterial extracorporeal membrane oxygenation (VA ECMO) is increasingly being used for circulatory shock. Bleeding is a frequent complication and is associated with increased mortality. The purpose of our study was to identify factors associated with early major bleeding after VA ECMO initiation. Methods. We performed a retrospective observational study based on our database. In accordance with the Extracorporeal Life Support Organization definition, the population was divided in two groups: major bleeding events (group B) and no major bleeding events (group O). We collected data on all major bleeding events occurring during the first 48 hours after VA ECMO initiation. Results. Of the 243 patients analyzed, 111 patients (46%) had an early major bleeding event. Independent risk factors associated with early major bleeding events were postcardiotomy VA ECMO (odds ratio [OR] 1.98; 95% confidence interval [CI], 1.08 to 3.62; P = .02), body mass index (OR 0.91; 95% CI, 0.85 to 0.98; P = .01), hemoglobinemia (OR 0.8; 95% CI, 0.7 to 0.92; P = .002), fibrinogen (OR 0.67; 95% CI, 0.52 to 0.84; P = .001), and pH (OR 0.15; 95% CI, 0.02 to 1.04; P[.05). By using a receiveroperating characteristics curve analysis, hemoglobin level less than 9 g dL(-1), fibrinogen level less than 2 g L-1, pH lower than 7.12, and body mass index below 25 kg/m(2) were identified to predict early major bleeding events. Major bleeding events were independently associated with mortality (OR 2.54; CI 95%, 1.38 to 4.66; P = .01). Conclusions. Wefound that postcardiotomyVAECMO, hemoglobin levels less than 9 g dL(-1), fibrinogen levels less than 2 g L-1, pH lower than 7.12, and body mass index below 25 kg/m(2) were associated with a higher risk for early major bleeding events. (C) 2021 by The Society of Thoracic Surgeons
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