Lower-limb muscle function is a determinant of exercise tolerance after lung resection surgery in patients with lung cancer

被引:29
作者
Burtin, Chris [1 ]
Franssen, Frits M. E. [2 ,3 ]
Vanfleteren, Lowie E. G. W. [2 ,3 ]
Groenen, Miriam T. J. [2 ]
Wouters, Emiel F. M. [2 ,3 ]
Spruit, Martijn A. [1 ,2 ,4 ]
机构
[1] Hasselt Univ, Biomed Res Inst, Fac Med & Life Sci, Rehabil Res Ctr, Agoralaan Gebouw A, B-3590 Diepenbeek, Belgium
[2] Ctr Expertise Chron Organ Failure, Dept Res & Educ, CIRO, Horn, Netherlands
[3] Maastricht Univ, Dept Resp Med, Med Ctr, Maastricht, Netherlands
[4] Maastricht Univ, NUTRIM Sch Nutr & Translat Res Metab, Dept Resp Med, Med Ctr, Maastricht, Netherlands
关键词
6-min walking distance; lung cancer; peak aerobic capacity; quadriceps endurance; quadriceps strength; PULMONARY-FUNCTION; EARLY-STAGE; CAPACITY; STANDARDIZATION; PERFORMANCE;
D O I
10.1111/resp.13041
中图分类号
R56 [呼吸系及胸部疾病];
学科分类号
摘要
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.
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收藏
页码:1185 / 1189
页数:5
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