• M Messent, K Sullivan, B F Keogh, C J Morgan, and T W Evans.
• Department of Anaesthetics and Intensive Care, National Heart and Lung Institute, London.
• Anaesthesia. 1992 Mar 1;47(3):267-8.

AbstractThe outcome of adult respiratory distress syndrome complicating cardiopulmonary bypass has changed little in recent years. A retrospective, case-controlled study was designed to assess the incidence of the adult respiratory distress syndrome in these circumstances and the extent to which it could be linked with pre and peri-operative predictive factors. Eleven patients who developed the syndrome out of 840 who underwent cardiopulmonary bypass over a 9 month period were compared with 53 controls matched for sex, operation and surgeon. The incidence of adult respiratory distress syndrome and its mortality were 1.3% and 53% respectively. Significant predictors were a high intra and postoperative intervention score, the total volume of blood pumped during bypass (greater than 300 l) and age (greater than 60 years). These risk factors should alert the clinician to the possibility of severe postoperative pulmonary complications.

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