This single-center, observational, longitudinal, retrospective and prospective study investigates the impact of Active Cycle of Breathing Technique (ACBT) and moderate daily physical activity on symptoms associated with long COVID, such as cough, dyspnea, and fatigue. The study aims to assess whether these interventions can moderately alleviate or resolve these symptoms and evaluate their potential association with small airway dysfunction (SAD), as measured by Impulse Oscillometry (IOS). The investigators will recruit 40 adult patients with long COVID who meet specific inclusion criteria. Participants will perform ACBT twice daily and complete at least 6000 steps per day for six weeks. The investigators will track clinical and lung function parameters, including spirometry, IOS, and exercise capacity.
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To investigate whether ACBT and moderate daily physical activity can improve cough (LCQ), dyspnea (mMRC) and fatigue (VAS) associated to Long COVID.
Timeframe: six weeks