• Han Tae Kim, Soo Jeong Jo, Joong Ho Jo, Dohun Kim, Si-Wook Kim, Seung Hyuk Nam, and Hyun-Ho Kong.
• Department of Rehabilitation Medicine, Chungbuk National University Hospital, Cheongju, Republic of Korea.
• Medicine (Baltimore). 2023 Jul 28; 102 (30): e34479e34479.

AbstractSurgical resection for lung cancer adversely impacts exercise capacity. The 6-minute walk test (6MinWT) and cardiopulmonary exercise test (CPET) are commonly used to assess exercise capacity. However, these tests are difficult to use clinically because they must be performed by a trained technician using specialized equipment according to a prescribed method. This study aims to analyze correlations between walking speed in a 10-meter walk test and exercise capacity measured by the 6MinWT or CPET in patients with lung resection for lung cancer. A total of 50 patients who were diagnosed with lung cancer and underwent lung resection were included in the analysis. The 6MinWT and CPET were performed to measure exercise capacity, and the 10-meter walk test was used to evaluate the short-duration walking speed. The population was divided into 2 groups -low and high exercise capacity - based on threshold values (6MinWT, 500 m; CPET, 20 mL·kg-1·min-1); we analyzed the correlation according to the level of exercise capacity. In the correlation analysis between the 10-meter walking speed and exercise capacity, the 10-meter walking speed showed a strong correlation (R = 0.70, P < .001) with the 6MinWT and a moderate correlation (R = 0.47, P < .001) with the CPET, respectively. The low exercise capacity group showed a significant correlation (6MinWT, ρ = 0.70; CPET, ρ = 0.54) between the 10-meter walking speed and exercise capacity, while the high exercise capacity group did not. In patients who underwent lung resection for lung cancer, the 10-meter walking speed was significantly correlated with exercise capacity, especially in subjects with low exercise capacity that require pulmonary rehabilitation.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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