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Original Articles: Adult Cardiac

Analysis of Ascending and Transverse Aortic Arch Repair in Octogenarians

Cardiothoracic and Vascular Surgery, University of Texas Medical School at Houston, Houston, Texas

Accepted for publication May 8, 2008.

^_* Address correspondence to Dr Estrera, Cardiothoracic and Vascular Surgery, 6410 Fannin St, Suite 450, Houston, TX 77030 (Email: anthony.l.estrera{at}uth.tmc.edu).

Background: Increasing numbers of older patients are requiring complex thoracic aortic surgery. This retrospective study analyzed early and late outcomes after ascending and transverse arch surgery using hypothermic circulatory arrest (HCA).

Methods: Between January 1991 and December 2006, 779 patients requiring HCA were treated. Outcomes are reported by age group: group 1, 80 years or more (37, 4.8%); and group 2, less than 80 years (742, 95.2%). Univariate and multivariate analyses were used to identify risk factors for morbidity and mortality.

Results: Early mortality and stroke did not differ between groups. Thirty-day mortality was13.5% (5 of 37) in group 1 and 10% (78 of 742) in group 2 (p = 0.57). Stroke occurred in 8% (3 of 37) of group 1 patients and 2.7% (20 of 742) of group 2 patients (p = 0.09). Predictors of stroke were prior stroke (p = 0.003) and pump time (p = 0.02). Predictors of early mortality were low glomerular filtration rate (p = 0.0001), long cardiopulmonary bypass time (p = 0.0001), and emergent repair (p = 0.0009). Retrograde cerebral perfusion was protective against stroke (p = 0.0001) and reduced early mortality (p = 0.02). Age was not a predictor of stroke (p = 0.12) or early mortality (p = 0.39). Survival in group 1 compared with the age-matched US population at 1 year was 56% versus 86% (p = 0.02); at 2 years, 48% versus 76% (p = 0.03); at 5 years, 36% versus 48% (not significant); and at 10 years, 20% versus 20%.

Conclusions: Ascending and aortic arch surgery in octogenarians involving profound HCA resulted in reasonable morbidity and short- and long-term mortality rates. The use of profound HCA for aortic surgery remains warranted in octogenarians.

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Invited Commentary

Alfred Culliford
Ann. Thorac. Surg. 2008 86: 779. [Extract] [Full Text] [PDF]

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				J. Gualis, M. Castano, J. Gomez-Plana, and P. Mencia Emergent surgery for ruptured aortic arch aneurysm in an octogenarian patient: quo vadis? Interactive CardioVascular and Thoracic Surgery, November 1, 2009; 9(5): 911 - 912. [Abstract] [Full Text] [PDF]

				A. Culliford Invited Commentary Ann. Thorac. Surg., September 1, 2008; 86(3): 779 - 779. [Full Text] [PDF]