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Article Abstract
Background/aim: The association between resected non-small cell lung cancer (NSCLC) and long-term outcomes of muscle mass depletion and muscle weakness has also not been well documented. This study evaluated whether muscle mass depletion assessed by bioelectrical impedance analysis (BIA) and low muscle strength assessed by the peak expiratory flow rate as a percentage of predicted value (%PEFR) were associated with surgical outcomes in patients with resected NSCLC.
Patients And Methods: This retrospective study included 219 patients with resected NSCLC between 2016 and 2021. The cutoff value for muscle mass depletion was according to guidelines, for low muscle strength, we defined by receiver operating characteristics analysis for recurrence-free survival (RFS). Survival analysis was performed, and postoperative outcomes were compared.
Results: A total of 76 patients (34.7%) had muscle mass depletion, and 114 patients (52.1%) had low muscle strength. Muscle mass depletion and low muscle strength were independent poor prognostic factors for overall survival [hazard ratio (HR)=2.631, p=0.003; HR=1.983, p=0.044] and RFS (HR=3.120, p<0.001; HR=1.857, p=0.028) in multivariate analysis. Postoperative complication was associated with low muscle strength (p=0.009). Postoperative recurrence was associated with muscle mass depletion (p=0.03).
Conclusion: Preoperative muscle mass depletion assessed by BIA and low muscle strength determined by %PEFR are worse prognostic factors after surgical resection for NSCLC. Our results may provide some important information for preoperative management.
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| http://dx.doi.org/10.21873/anticanres.16868 | DOI Listing |
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