About this trial
This is a prospective observational study that evaluates whether the Shuttle Walking Test (SWT) can predict postoperative symptoms, particularly dyspnea, in patients with chronic respiratory diseases undergoing lung resection.
Currently, tools such as DLCO or cardiopulmonary exercise testing (CPET) are used to assess surgical risk and exercise capacity before lung surgery. However, these tests are not always accessible due to equipment limitations or long waiting times. The SWT is a simpler, safer, and more cost-effective alternative that has been recently recognized as a new medical technology in Korea for evaluating exercise capacity.
In this study, patients with chronic lung diseases (such as COPD, ILD, or bronchiectasis) who are scheduled to undergo lung resection will perform the SWT before surgery. Their symptoms and quality of life will be assessed through questionnaires before and three months after the surgery. The goal is to determine whether SWT results can help predict postoperative dyspnea and provide useful information for preoperative risk stratification.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
- Age ≥ 40 years
Scheduled for surgical lung resection (e.g., for lung cancer or benign tumor)
Diagnosis of chronic respiratory disease (COPD, ILD, or bronchiectasis)
Able to perform Shuttle Walking Test (ISWT + ESWT) before surgery
Disqualifiers
- Illiteracy or inability to read study materials
Inability to communicate in Korean
Decline or withdraw consent
Severe lower limb disability interfering with walking (e.g., fracture, paralysis)
Trial population
Adult patients aged 19 years or older with chronic respiratory diseases (such as COPD, ILD, or bronchiectasis) who are scheduled to undergo surgical lung resection at Seoul National University Bundang Hospital.
Trial design
Cohort
Prospective
Treatments tested in this trial
Not listed
Trial groups
Trial outcomes
Primary outcomes
Change in Dyspnea Score From Baseline to 3 Months After Lung Resection
Dyspnea will be assessed using a validated scale (e.g., POSPNEA or MRC). The difference in scores between preoperative baseline and 3 months after surgery will be analyzed.
Predictive Value of Shuttle Walking Test for Postoperative Dyspnea
The correlation between preoperative SWT results (ISWT distance, endurance time) and postoperative dyspnea score at 3 months will be evaluated using regression analysis.
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