Conventional ultrafiltration for cardiac surgery fails to prevent postoperative pulmonary complications
Researchers have found in a retrospective analysis that Using conventional ultrafiltration during cardiac surgery did not appear to reduce the incidence of postoperative pulmonary complications.
Postoperative pulmonary complications increase mortality following cardiac surgery. Conventional ultrafiltration may reduce pulmonary complications by removing mediators of bypass-induced inflammation and countering hemodilution. We tested the primary hypothesis that conventional ultrafiltration reduces postoperative pulmonary complications, and secondarily, improves early pulmonary function assessed by the ratio of arterial partial pressure to fractional inspired oxygen concentration.
This retrospective analysis compared the incidence of postoperative pulmonary complications in adult patients who underwent cardiac surgery with and without the use of conventional ultrafiltration using logistic regression with adjustment for confounding variables. The primary outcome was a composite of reintubation, prolonged ventilation, pneumonia or pleural effusion. Secondarily, we examined early postoperative lung function using a quantile regression model. We also explored whether red blood cell transfusion differed between groups.
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