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Complications After Cardiac Operations: All Are Not Created Equal
This single institution retrospective study analyzed the effects of single vs multiple complications on acute outcomes to help identify interactions among complications that might predict outcomes. Over a 4 year period 366 pts experienced a complication and 102 of these had 2 or more complications. Multiple complications were associated with mortality in 41% compared to 5% in those with one complication and 0.7% in those without complications. The number of complications was correlated with increased LOS and discharge to other than home. Interactions were evident among all complications, with the combination of renal failure and unplanned reoperation being associated with an OR for increased deaths of 108 (13.5 to 869).