• Eur J Cardiothorac Surg · Nov 2011

    Re-operations on the proximal thoracic aorta: results and predictors of short- and long-term mortality in a series of 174 patients.

    • Marco Di Eusanio, Paolo Berretta, Luca Bissoni, Francesco D Petridis, Luca Di Marco, and Roberto Di Bartolomeo.
    • Cardiac Surgery Department, Sant'Orsola-Malpighi Hospital, Bologna University, Bologna, Italy. marco.dieusanio2@unibo.it
    • Eur J Cardiothorac Surg. 2011 Nov 1;40(5):1072-6.

    ObjectiveThe aim of this study was to report results and to identify predictors of hospital and long-term mortality in patients undergoing re-operations on the proximal thoracic aorta.MethodsBetween 1986 and 2009,174 re-operations on the proximal thoracic aorta after previous aortic surgery were performed in our Institution. The patients' mean age was 58 years, 132 (75.9%) were men. The mean time from last operation was 9.9 years. An urgent operation was performed in 35 (20.1%) patients. Indications for surgery included degenerative and chronic post-dissection aneurysm (n=133), acute dissection (n=8), false aneurysm (n=22), and active prosthetic infection (n=11). Root procedures were performed in 65 (37.3%) patients, ascending aorta replacement in 27 (15.5%), different extents of aortic arch replacement in 39 (22.4%), and root, ascending aorta and arch replacement in 43 (24.7%).ResultsHospital mortality was 12.6%. On multivariate analysis, cardiopulmonary bypass (CPB) time (odds ratio (OR)=1.1018 per min), New York Heart Association (NYHA) class III-IV (OR=3.86), and active endocarditis (OR=5.15) emerged as independent predictors of hospital mortality. Mean follow-up time was 56 months. The estimated 1-, 5-, and 10 years' survival were 81.6%, 74.2%, and 44.5%, respectively. On Cox regression analysis, age (hazard ratio (HR)=1.037 per year) and CPB time (HR=1.010 per min) emerged as independent risk factors of late mortality.ConclusionsShort- and long-term survival was satisfactory being excellent in patients with degenerative aneurysms and dismal in those with active endocarditis. Extensive aortic resections did not increase hospital mortality and were associated with a reduced need for aortic re-interventions. CPB time remains the most important risk factor for reduced survival in aortic surgery.Copyright © 2011 European Association for Cardio-Thoracic Surgery. Published by Elsevier B.V. All rights reserved.

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