Key result
Incentive spirometry combined with physical therapy was no more effective than physical therapy alone in reducing postoperative pulmonary complications after CABG.
Why the study?
The effectiveness of adding incentive spirometry to postoperative pulmonary physical therapy in reducing pulmonary complications after CABG in high-risk patients was uncertain.
Does incentive spirometry combined with physical therapy reduce postoperative pulmonary complications in high-risk patients with chronic airflow limitation after CABG?
RCT (n=185)
Does incentive spirometry combined with physical therapy reduce postoperative pulmonary complications in high-risk patients with chronic airflow limitation after CABG?
Answers are grounded in this paper and cite their sources.
The addition of unmonitored incentive spirometry to standard postoperative physical therapy does not reduce pulmonary complications in high-risk patients after CABG.
BACKGROUND AND PURPOSE: The purpose of this study was to determine whether the addition of incentive spirometry (IS) to postoperative pulmonary physical therapy is more effective than physical therapy alone in reducing postoperative pulmonary complications in high-risk patients after coronary artery bypass grafting (CABG). Patients were given the spirometer and instructed in its use, as often occurs in clinical settings. SUBJECTS: Patients with chronic airflow limitation following CABG (N = 185) participated. METHODS: Subjects were randomly assigned to receive either postoperative pulmonary physical therapy (breathing exercises, secretion removal, mobility) or physical therapy combined with IS. RESULTS: No difference was found between the two groups in atelectasis, spirometry, oxygen saturation, pulmonary infection, or hospital stay. CONCLUSION AND DISCUSSION: Incentive spirometry combined with physical therapy is no more effective than postoperative physical therapy alone in reducing atelectasis for this population. Use of the spirometer, however, was not monitored, and although the study mimicked practice as it often occurs, the effectiveness of the spirometer cannot be fully evaluated.
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Crowe et al. (1997) conducted an RCT in Chronic airflow limitation following coronary artery bypass grafting (CABG) (n=185). Incentive spirometry combined with physical therapy vs. Physical therapy alone was evaluated on Postoperative pulmonary complications (atelectasis, spirometry, oxygen saturation, pulmonary infection, or hospital stay). Incentive spirometry combined with physical therapy was no more effective than physical therapy alone in reducing postoperative pulmonary complications after CABG.
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