الفهرس 
Power lung versus acapella on airway clearance after coronary artery bypass graft surgery
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Abstract
post-operative pulmonary complications (PPCs) among the most common complications after coronary artery bypass graft (CABG) surgery, post-operative chest physical therapy modalities play an important role to prevent these complications. Objective: This study was conducted to compare the efficacy of Acapella versus Power Lung on airway clearance after surgery. Subjects and Methods: Sixty patients of both sexes who underwent CABG surgery with age ranged from 40-50 years old participated in this study. They were randomly assigned into two equal study groups (n= 30), group (A) and group (B). group (A) received Acapella while group (B) received Power Lung, each device conducted through a supervised session of three sets each one of 10 repetitions, two times daily from first day postoperative until the seventh day, in addition to routine physiotherapy program. The outcome measures were spirometry, arterial blood gases, dyspnea, Rand SF 36 health survey questionnaire, and incidence of post-operative pulmonary complications. These outcomes were assessed pre and post the study duration. Results: Within group analysis, both groups (A) and (B) showed a significant increase in FEV1, FVC, FEV1/FVC, Pao2, O2 saturation, and Rand SF-36 health survey questionnaire score while a significant decrease in Paco2, dyspnea score, and incidence of post-operative pulmonary complications. Between groups analysis, there was a significant difference only in PaO2, O2 saturation, Rand SF-36 health survey questionnaire score, paCO2, and dyspnea score in favor of group (A) while other measures showed a non-significant difference. Conclusion: Acapella and Power Lung were most effective devices for improving airway clearance post CABG surgery with superiority for Acapella device.