Impact of reduced left ventricular function on repairing acute type A aortic dissection: Outcome and risk factors analysis from a single institutional experience.

As for the patients with age of >70 years and complicated with postoperative malperfusion, the low EF group also showed a trend of higher in-hospital mortality. 3.4 Regression analysis of in-hospital mortality Table 5 shows the results for the regression analyses among patients with low EF, including those for preoperative serum creatinine >1.5 mg/dL, CPB time >220 minutes, aortic clamping time >170 minutes, ECMO support in the OR, re-exploration for bleeding, and postoperative visceral ischemia.

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