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Persistence of the Postoperative Change in the Six-minute Walking Distance of Lung Cancer Patients with Chronic Obstructive Pulmonary Disease
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- Ogura Ryoji
- Department of Rehabilitation Medicine, Toho University Omori Medical Center, Tokyo, Japan
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- Iribe Shunsuke
- Department of Rehabilitation Medicine, Toho University Omori Medical Center, Tokyo, Japan
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- Suzuki Takahiko
- Department of Rehabilitation Medicine, Toho University Omori Medical Center, Tokyo, Japan
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- Kuroda Haruka
- Department of Rehabilitation Medicine, Toho University Omori Medical Center, Tokyo, Japan
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- Sugisawa Tatsuki
- Department of Rehabilitation Medicine, Toho University Omori Medical Center, Tokyo, Japan
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- Okuni Ikuko
- Department of Rehabilitation Medicine, Toho University Omori Medical Center, Tokyo, Japan
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- Otsuka Hajime
- Department of Chest Surgery, School of Medicine, Faculty of Medicine, Toho University, Tokyo, Japan
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- Azuma Yoko
- Department of Chest Surgery, School of Medicine, Faculty of Medicine, Toho University, Tokyo, Japan
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- Iyoda Akira
- Department of Chest Surgery, School of Medicine, Faculty of Medicine, Toho University, Tokyo, Japan
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- Ebihara Satoru
- Department of Rehabilitation Medicine, Toho University Omori Medical Center, Tokyo, Japan
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Description
<p>Objectives: The aim of this prospective follow-up study was to investigate the difference before and after surgery in the six-minute walking distance (6MD) of lung cancer patients with chronic obstructive pulmonary disease (COPD) and to examine the long-term effect of the change in 6MD in the early postoperative period.</p><p>Methods: This was a retrospective analysis of 25 COPD patients who underwent lung cancer surgery and perioperative rehabilitation in our department. Assessments of 6WD were carried out preoperatively and at 1, 3, and 6 months postoperatively. The changes in 6MD at 1, 3, and 6 months postoperatively compared with the preoperative value were designated the 1-month Δ6MD, the 3-month Δ6MD, and the 6-month Δ6MD, and the associations between them were investigated.</p><p>Results: The mean 6MD distance was 412.0±27.3 m (95% confidence interval) preoperatively, 369.0±33.8 m at 1 month, 395.6±32.2 m at 3 months, and 400.0±38.2 m at 6 months, with a significant difference between the preoperative and 1-month values (P<0.01). There were strong correlations between 1-month and 3-month Δ6MDs (r =0.74, P<0.0001) and between 1-month and 6-month Δ6MDs (r =0.88, P<0.0001).</p><p>Conclusions: In lung cancer patients with COPD, the 1-month Δ6MD was strongly associated with both the 3-month Δ6MD and the 6-month Δ6MD. These findings suggest that the decrease in exercise tolerance of patients whose 6MD is low at 1 month postoperatively may be prolonged, and such patients may therefore be in greater need of postoperative outpatient rehabilitation.</p>
Journal
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- Progress in Rehabilitation Medicine
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Progress in Rehabilitation Medicine 6 (0), n/a-, 2021
The Japanese Association of Rehabilitation Medicine
