• JACC Cardiovasc Interv · Sep 2012

    Clinical Trial

    The impact of frailty status on survival after transcatheter aortic valve replacement in older adults with severe aortic stenosis: a single-center experience.

    • Philip Green, Abigail E Woglom, Philippe Genereux, Benoit Daneault, Jean-Michel Paradis, Susan Schnell, Marian Hawkey, Mathew S Maurer, Ajay J Kirtane, Susheel Kodali, Jeffrey W Moses, Martin B Leon, Craig R Smith, and Mathew Williams.
    • Department of Medicine, Columbia University Medical Center, New York, New York 10032, USA.
    • JACC Cardiovasc Interv. 2012 Sep 1;5(9):974-81.

    ObjectivesThis study sought to evaluate the impact of frailty in older adults undergoing transcatheter aortic valve replacement (TAVR) for symptomatic aortic stenosis.BackgroundFrailty status impacts prognosis in older adults with heart disease; however, the impact of frailty on prognosis after TAVR is unknown.MethodsGait speed, grip strength, serum albumin, and activities of daily living status were collected at baseline and used to derive a frailty score among patients who underwent TAVR procedures at a single large-volume institution. The cohort was dichotomized on the basis of median frailty score into frail and not frail groups. The impact of frailty on procedural outcomes (stroke, bleeding, vascular complications, acute kidney injury, and mortality at 30 days) and 1-year mortality was evaluated.ResultsFrailty status was assessed in 159 subjects who underwent TAVR (age 86 ± 8 years, Society of Thoracic Surgery Risk Score 12 ± 4). Baseline frailty score was not associated with conventionally ascertained clinical variables or Society of Thoracic Surgery score. Although high frailty score was associated with a longer post-TAVR hospital stay when compared with lower frailty score (9 ± 6 days vs. 6 ± 5 days, respectively, p = 0.004), there were no significant crude associations between frailty status and procedural outcomes, suggesting adequacy of the standard selection process for identifying patients at risk for periprocedural complications after TAVR. Frailty status was independently associated with increased 1-year mortality (hazard ratio: 3.5, 95% confidence interval: 1.4 to 8.5, p = 0.007) after TAVR.ConclusionsFrailty was not associated with increased periprocedural complications in patients selected as candidates to undergo TAVR but was associated with increased 1-year mortality after TAVR. Further studies will evaluate the independent value of this frailty composite in older adults with aortic stenosis.Copyright © 2012 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.

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