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Revista argentina de cardiología

On-line version ISSN 1850-3748


SPAMPINATO TORCIVIA, Ricardo A. et al. Surgical Treatment of Acute Type A Aortic Dissection: In-Hospital Outcomes and Long-Term Follow-Up. Rev. argent. cardiol. [online]. 2009, vol.77, n.2, pp.108-115. ISSN 1850-3748.

Background Acute type A aortic dissection (AAD-A) is an extremely severe condition that requires emergency surgery. In spite of advances in surgical techniques, the procedure still carries great morbidity and mortality rates. Objectives To analyze in-hospital morbidity and mortality and longterm survival of a consecutive series of patients undergoing surgery for AAD-A. Material and Methods We included 63 consecutive patients (71% were men) in four health care centers in Buenos Aires from July 1994 to May 2007. Eighty nine percent of patients completed follow-up. Mean age was 63±11.3 years. Aortic hemiarch was replaced in 15 patients and 5 patients received complete aortic replacement. Aortic valve replacement was performed in 12 patients. Results During hospitalization 19 patients (30.1%) died: one death occurred at the operation room, 7 patients died due to ischemic complications or multi organ failure, 3 patients died of neurological complications, 5 of cardiac complications, 1 of gastrointestinal bleeding and 2 deaths were a consequence of multiple complications. Twelve patients (32.4%) died during follow-up (8 cardiac deaths and 4 non cardiac deaths). Multivariate analysis detected that low cardiac output and cardiac bypass pump (CBP) duration were associated with greater in-hospital mortality rates, while age >70 years and lower CBP duration correlated with greater long-term mortality. Survival rates at 1, 3, 5 and 10 years were 89%, 79,5%, 73% and 58%, respectively. Conclusions Surgical results of AAD-A in our environment are similar to those published in international series, confirming high in-hospital and long-term morbidity and mortality rates associated with this condition.

Keywords : Aorta; Thoracic Surgery; Dissection.

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