The number of nonagenarian patients with aortic stenosis will likely increase due to the ageing population. We assessed the clinical characteristics, management, and outcomes of nonagenarian patients with severe aortic stenosis.
A total of 177 (117 females and 60 males) consecutive nonagenarian patients from two large contemporary registries were included in this study. Clinical characteristics, comorbidity as assessed by the Charlson Index, clinical management, and outcomes were recorded. The main outcome measure was 1-year mortality.
The mean patient age was 91.1 years, and 56 patients (31.6%) had a Charlson Index <3. A strong association between comorbidity and 1-year overall mortality was observed, with higher 1-year mortality in patients with Charlson Index ≥3 (66.4% vs. 32.1%, p < 0.001). A total of 150 patients (84.7%) were managed conservatively, and 27 (15.3%) underwent transcatheter aortic valve implantation (TAVI). Predictors of a conservative management were treatment out of TAVI centres, lower mean aortic gradient and better functional class. Clinical management was not significantly different with different degrees of comorbidity. A trend toward higher mortality in patients undergoing conservative management was observed (58% vs. 40.7%, p = 0.097). Independent predictors of mortality were higher Charlson Index, lower creatinine clearance, lower mean aortic gradient, poorer left ventricular ejection fraction, significant mitral regurgitation and conservative management.
About one third of nonagenarians with severe aortic stenosis have few comorbidities. The clinical management was similar irrespective of the Charlson Index. Both higher Charlson Index values and a conservative management were independently associated with a higher mortality.
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Published online: April 11, 2017
Accepted: February 28, 2017
Received in revised form: January 25, 2017
Received: October 20, 2016
© 2017 Australian and New Zealand Society of Cardiac and Thoracic Surgeons (ANZSCTS) and the Cardiac Society of Australia and New Zealand (CSANZ). Published by Elsevier B.V. All rights reserved.