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Title: | Lower-limb muscle function is a determinant of exercise tolerance after lung resection surgery in patients with lung cancer | Authors: | BURTIN, Chris Franssen, Frits M. E. Vanfleteren, Lowie E. G. W. Groenen, Miriam T. J. Wouters, Emiel F. M. SPRUIT, Martijn A. |
Issue Date: | 2017 | Publisher: | WILEY | Source: | RESPIROLOGY, 22(6), p. 1185-1189 | Abstract: | Background and objectiveThis study aims to investigate the association between exercise tolerance, pulmonary function and lower-limb muscle function in patients with lung cancer who underwent lung resection surgery in the previous year. MethodsSixty-four patients (age: 6711years, 66% males) performed a symptom-limited incremental cycle test to define peak oxygen consumption (VO(2)peak) and peak workload (Wpeak). The best of two 6-min walking distance (6MWD) tests was also included. Isometric quadriceps strength and isokinetic quadriceps endurance were measured. Post-bronchodilator spirometry, lung volumes and diffusing capacity of the lung for carbon monoxide (DLCO ) measurements were assessed. Univariate correlation analysis and multiple regression analyses were performed. Results VO2 peak, W peak and 6MWD showed moderate to strong correlations with quadriceps strength/endurance and DLCO while weak to moderate correlations were found with forced expiratory volume in 1s (FEV1 ()), functional residual capacity (FRC) and body weight. Multiple regression showed that peak isometric quadriceps strength (P<0.001) and DLCO (P<0.001) were significant predictors of VO2 peak (explained variance R-2 =0.67), while quadriceps endurance (P=0.0015) and DLCO (P<0.0001) were significant predictors of W peak (R-2 =0.61). Quadriceps endurance capacity (P=0.013), but not DLCO , significantly contributed to the 6MWD model (R-2 =0.29). ConclusionWe identified a strong significant relationship between peak aerobic capacity and quadriceps muscle function and lung diffusing capacity. 6MWD was significantly related to quadriceps muscle function but not to pulmonary function. These findings suggest that accurate assessment of lower-limb muscle strength has a role in the accurate interpretation of exercise tests and in selecting optimal candidates for resistance training interventions targeting the lower-limb muscles after resection surgery. We investigated determinants of exercise tolerance in lung cancer patients after resection surgery. This study is the first to identify quadriceps strength and quadriceps endurance capacity as a strong determinant of exercise tolerance in these patients, suggesting the need for routine lower-limb muscle function assessment and targeted interventions. | Notes: | [Burtin, Chris; Spruit, Martijn A.] Hasselt Univ, Biomed Res Inst, Fac Med & Life Sci, Rehabil Res Ctr, Agoralaan Gebouw A, B-3590 Diepenbeek, Belgium. [Franssen, Frits M. E.; Vanfleteren, Lowie E. G. W.; Groenen, Miriam T. J.; Wouters, Emiel F. M.; Spruit, Martijn A.] Ctr Expertise Chron Organ Failure, Dept Res & Educ, CIRO, Horn, Netherlands. [Franssen, Frits M. E.; Vanfleteren, Lowie E. G. W.; Wouters, Emiel F. M.] Maastricht Univ, Dept Resp Med, Med Ctr, Maastricht, Netherlands. [Spruit, Martijn A.] Maastricht Univ, NUTRIM Sch Nutr & Translat Res Metab, Dept Resp Med, Med Ctr, Maastricht, Netherlands. | Keywords: | 6-min walking distance; lung cancer; peak aerobic capacity; quadriceps endurance; quadriceps strength;6-min walking distance; lung cancer; peak aerobic capacity; quadriceps endurance; quadriceps strength | Document URI: | http://hdl.handle.net/1942/24368 | ISSN: | 1323-7799 | e-ISSN: | 1440-1843 | DOI: | 10.1111/resp.13041 | ISI #: | 000405525300025 | Rights: | © 2017 Asian Pacific Society of Respirology | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2018 |
Appears in Collections: | Research publications |
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burtin 1.pdf Restricted Access | Published version | 242.69 kB | Adobe PDF | View/Open Request a copy |
Burtin et al - Lung cancer short communication - Respirology submission_revision 1 without mark-up .pdf | Peer-reviewed author version | 564.02 kB | Adobe PDF | View/Open |
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