Christian Olsson1, Anders Franco-Cereceda. 1. Department of Molecular Medicine and Surgery, Cardiovascular Surgery Unit, The Karolinska Institute and Karolinska University Hospital , Stockholm , Sweden.
Abstract
OBJECTIVES: Organ failure and major complications after operations for acute Type A aortic dissection impair outcomes. The objective was to analyze the prevalence of organ failure and major complications, their interrelationship and predictors, and their impact on early and late survival. DESIGN: All operative survivors 1990-2009 (n = 335) were retrospectively reviewed. Predictors of organ failure and major complications (bleeding, infection, renal or respiratory failure, neurological dysfunction, and multisystem organ failure) and their influence on in-hospital and long-term mortality were analyzed with multivariable statistical methods. RESULTS: Major complication(s) occurred in 153 patients (46%), most frequently bleeding and permanent neurological dysfunction (19% each). Increasing organ system failure index increased in-hospital mortality markedly: zero (2.9%), one (14%), two (33%), three or more (43%), p = 0.002. Reoperation for bleeding (odds ratio [95% confidence interval]) 2.6 [1.1-6.3], multisystem organ failure 4.3 [1.4-13], and permanent neurological dysfunction 14 [6.2-32] were related to in-hospital mortality. The latter two and respiratory failure also entailed increased long-term mortality. CONCLUSIONS: Organ failure and major complications were common and impacted negatively on both in-hospital and long-term survival. Strategies to avoid or treat organ failure and major complications should improve early and late survival after surgery for acute Type A aortic dissection.
OBJECTIVES:Organ failure and major complications after operations for acute Type A aortic dissection impair outcomes. The objective was to analyze the prevalence of organ failure and major complications, their interrelationship and predictors, and their impact on early and late survival. DESIGN: All operative survivors 1990-2009 (n = 335) were retrospectively reviewed. Predictors of organ failure and major complications (bleeding, infection, renal or respiratory failure, neurological dysfunction, and multisystem organ failure) and their influence on in-hospital and long-term mortality were analyzed with multivariable statistical methods. RESULTS: Major complication(s) occurred in 153 patients (46%), most frequently bleeding and permanent neurological dysfunction (19% each). Increasing organ system failure index increased in-hospital mortality markedly: zero (2.9%), one (14%), two (33%), three or more (43%), p = 0.002. Reoperation for bleeding (odds ratio [95% confidence interval]) 2.6 [1.1-6.3], multisystem organ failure 4.3 [1.4-13], and permanent neurological dysfunction 14 [6.2-32] were related to in-hospital mortality. The latter two and respiratory failure also entailed increased long-term mortality. CONCLUSIONS:Organ failure and major complications were common and impacted negatively on both in-hospital and long-term survival. Strategies to avoid or treat organ failure and major complications should improve early and late survival after surgery for acute Type A aortic dissection.
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