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DOI: 10.12945/j.aorta.2014.13-055
Effects of Hemodynamic Instability on Early Outcomes and Late Survival Following Repair of Acute Type A Aortic Dissection
Publication History
31 October 2013
06 January 2014
Publication Date:
24 September 2018 (online)
![](https://www.thieme-connect.de/media/10.1055-s-00039245/201401/lookinside/thumbnails/10-12945-j-aorta-2014-13-055_0114022-1.jpg)
Abstract
Background: The goal of this study was to compare operative mortality and actuarial survival between patients presenting with and without hemodynamic instability who underwent repair of acute Type A aortic dissection. Previous studies have demonstrated that hemodynamic instability is related to differences in early and late outcomes following acute Type A dissection occurrence. However, it is unknown whether hemodynamic instability at the initial presentation affects early clinical outcomes and survival after repair of Type A aortic dissection.
Methods: A total of 251 patients from four academic medical centers underwent repair of acute Type A aortic dissection between January 2000 and October 2010. Of those, 30 presented with hemodynamic instability while 221 patients did not. Median ages were 63 years (range 38-82) and 60 years (range 19-87) for patients presenting with hemodynamic instability compared to patients without hemodynamic instability, respectively (P = 0.595). Major morbidity, operative mortality, and 10-year actuarial survival were compared between groups.
Results: Operative mortality was profoundly influenced by hemodynamic instability (patients with hemodynamic instability 47% versus 14% for patients without hemodynamic instability, P < 0.001). Actuarial 10-year survival rates for patients with hemodynamic instability were 44% versus 63% for patients without hemodynamic instability (P = 0.007).
Conclusions: Hemodynamic instability has a profoundly negative impact on early outcomes and operative mortality in patients with acute Type A aortic dissection. However, late survival is comparable between hemodynamically unstable and non-hemodynamically unstable patients.
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