• Stephanie Lim, Frédéric Jacques, Shervin Babaki, Yasmine Babaki, Serge Simard, Dimitri Kalavrouziotis, and Siamak Mohammadi.
• Department of Physiotherapy, Quebec Heart & Lung Institute, Laval University, Quebec City, Quebec, Canada.
• J. Thorac. Cardiovasc. Surg. 2023 Apr 1; 165 (4): 14731483.e91473-1483.e9.

ObjectivesThere are many well-described, but as yet unproven, physical ability tools to assess frailty. The objective of this study was to evaluate the effectiveness of 4 preoperative physical tests in predicting mortality, morbidity, and functional outcomes among octogenarians undergoing cardiac surgery.MethodsBetween 2016 and 2019, 200 patients aged 80 years or more undergoing elective cardiac surgery were prospectively recruited. Four physical tests were performed preoperatively: 5-m walk time, timed up-and-go, 5 time sit-to-stand, and handgrip strength tests. The primary end point was a composite of in-hospital mortality, neurologic, and pulmonary complications. Multivariate analysis was performed.ResultsIn-hospital mortality was 1.5%. Slow performance on the 5-m walk test (time ≥6.4 seconds) was the only independent predictor of the composite end point among the tests evaluated (odds ratio, 2.70; 95% confidence interval, 1.34-5.45; P = .006). At follow-up, patients with a slow 5-m walk test had a significantly lower midterm survival compared with patients with a normal test result (1-year survival 91.5% vs 98.7%, log-rank P = .03). Mean Physical and Mental Component Scores of the 12-item short form survey were 47.2 ± 8.3 and 53.6 ± 5.9, respectively, which are comparable to those of a general population aged more than 75 years.ConclusionsThe 5-m walk time test is an independent predictor of a composite of in-hospital mortality and major morbidity, as well as midterm survival. This test could be used as a simple adjunctive preoperative tool for octogenarians undergoing cardiac surgery.Copyright © 2021 The American Association for Thoracic Surgery. Published by Elsevier Inc. All rights reserved.

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