This randomized, controlled, double-blind clinical trial aims to investigate the effectiveness of preoperative inspiratory muscle training (IMT) and expiratory muscle training (EMT) in patients scheduled for lung cancer surgery. Respiratory muscle dysfunction contributes to postoperative pulmonary complications (PPCs), prolonged hospitalization, and reduced functional recovery. Although IMT has been evaluated in several studies, the evidence is limited and heterogeneous, and the effectiveness of EMT in this population has never been studied. This study will compare conventional preoperative physiotherapy alone with physiotherapy combined with IMT or EMT to determine their impact on postoperative clinical outcomes, respiratory muscle function, and exercise capacity.
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Postoperative Pulmonary Complications (PPCs)
Timeframe: Average 2 weeks.