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Methods Between 01/1996 and 09/2011, 836 patients (559 men) with a mean age of 59.6±13.6 (range 18-92) years underwent surgery for acute type-A aortic dissection. No patients were excluded from immediate operation irrespective of age and preoperative status unless uncontrollable hemorrhage and/or cardiac arrest occurred before the patient reached the operating room. Ninety-two perioperative variables were statistically analyzed to identify predictors for early mortality.

Evaluation of risk factors for mortality and long-term survival after repair of acute type-A aortic dissection in 836 patients