Effectiveness of Respiratory Physiotherapy on Frequency of Exacerbations, Lung Function and Quality of Life After 6 Months in Children With Cystic Fibrosis

"Remote respiratory physiotherapy protocol supervised 3 times a week via digital video conferencing, based on Chilean national guidelines for cystic fibrosis.~Each 1-hour session (3×/week for 6 months) includes:~Evaluation: respiratory assessment, teaching and reinforcement of airway clearance techniques, inhaled medication use, physical activity, and adherence to non-physiotherapy care. Six checklists are used to guide and monitor weekly patient activities.~Respiratory physiotherapy: conducted on-screen by the patient or caregiver, guided remotely. Includes: short-acting bronchodilator (if indicated), 7% hypertonic saline nebulization (10 min), 5-min Flutter/Acapella, ELTGOL or ELPr (2×5 min), and assisted coughing.~Re-evaluation: reassessment with the initial checklist, Q\&A, and scheduling the next session.~Participants continue their usual hospital-based care and receive baseline and post-intervention measurements."