Σάββατο 19 Νοεμβρίου 2016

In-hospital and mid-term outcomes of patients operated on for type A acute aortic dissection complicated by postoperative malperfusion

2016-11-19T14-52-56Z
Source: Archives of Clinical and Experimental Surgery (ACES)
Paolo Nardi, Dionisio F. Colella, Marco Russo, Guglielmo Saitto, Antonio Scafuri, Carlo Bassano, Antonio Pellegrino, Giovanni Ruvolo.
Aims: To evaluate the effect of postoperative malperfusion (PM) on operative mortality and on late survival in patients who underwent surgery for acute type A aortic dissection in a referred center for aortic emergency surgery. Patients and Methods: From January 2005 to September 2015, 237 patients were referred for aortic emergency surgery at our center. We examined complete data available on 214 patients (mean age 62.5±12.6 years, 156 males). At presentation, various types of preoperative malperfusion (cerebral, renal, mesenteric) were observed in 119 patients (55.6%). Arterial access for cardiopulmonary bypass was via femoral artery (n = 99), via axillary artery (n = 99), or into the ascending aorta (n = 22). Aortic repair was performed using an open technique in 124 patients (58%). Results: Fifty-five patients (25.7%) presented PM; operative mortality was 29% (62/214): 47.3% in PM patients vs. 22.6% in non-PM patients (P 75 years at the time of operation (OR: 1.1, P = 0.0004) and renal PM (OR: 53.5, P = 0.0027). Five-year survival was 79±7% in PM vs. 94±3% in non-PM patients (P = 0.002). Independent predictors for reduced survival were age >75 years (OR: 375, P = 0.05) and renal PM (OR: 28.6, P = 0.01). All types of PM and the location of intimal tear distal to the ascending aorta were found as risk factors for survival in the univariate analysis only (P

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