• J. Thorac. Cardiovasc. Surg. · Mar 2022

    Observational Study

    Gait speed is a preoperative indicator of postoperative events after elective proximal aortic surgery.

    • Reilly D Hobbs, Elizabeth L Norton, Xiaoting Wu, Cristen J Willer, Scott L Hummell, Richard L Prager, Jonathan Afilalo, Whitney E Hornsby, and Bo Yang.
    • University of Michigan, Michigan Medicine, Ann Arbor, Mich; Department of Cardiac Surgery, Michigan Medicine, Ann Arbor, Mich.
    • J. Thorac. Cardiovasc. Surg. 2022 Mar 1; 163 (3): 886894.e1886-894.e1.

    ObjectiveThe study objective was to evaluate whether 5-m gait speed, an established marker of frailty, is associated with postoperative events after elective proximal aortic surgery.MethodsWe performed a retrospective review of 435 patients aged more than 60 years who underwent elective proximal aortic surgery, defined as surgery on the aortic root, ascending aorta, or aortic arch through median sternotomy. Patients completed a 5-m gait speed test within 30 days before surgery. We evaluated the association between categoric (slow, ≤0.83 m/s and normal, >0.83 m/s) and continuous gait speed and the likelihood of experiencing the composite outcome before and after adjustment for European System for Cardiac Operative Risk Evaluation II. The composite outcome included in-hospital mortality, renal failure, prolonged ventilation, and discharge location. Secondary outcomes were 1-year mortality and 5-year survival.ResultsOf the study population, 30.3% (132/435) were categorized as slow. Slow walkers were significantly more likely to have in-hospital mortality, prolonged ventilation, and renal failure, and were less likely to be discharged home (all P < .05). The composite outcome was 2 times more likely to occur for slow walkers (gait speed categoric adjusted odds ratio, 2.08; 95% confidence interval, 1.27-3.40; P = .004). Moreover, a unit (1 m/s) increase in gait speed (continuous) was associated with 73% lower risk of experiencing the composite outcome (odds ratio, 0.27; 95% confidence interval, 0.11-0.68; P = .006).ConclusionsSlow gait speed is a preoperative indicator of risk for postoperative events after elective proximal aortic surgery. Gait speed may be an important tool to complement existing operative risk models, and its application may identify patients who may benefit from presurgical and postsurgical rehabilitation.Copyright © 2020 The American Association for Thoracic Surgery. Published by Elsevier Inc. All rights reserved.

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