Article
Prevention of postoperative pulmonary complications through respiratory rehabilitation: A controlled clinical study

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Abstract

Objective: To investigate the efficacy of respiratory rehabilitation in preventing postoperative pulmonary complications (PPC) and to define which patients can benefit.

Design: A randomized clinical trial.

Setting: A public hospital.

Patients: Eighty-one patients who had upper abdominal surgery were distributed into two homogeneous groups: control (n = 41) and rehabilitation (n = 40).

Intervention: Breathing exercises in the rehabilitation group.

Main Outcome Measures: Preoperative and postoperative clinical evaluation, spirometry, arterial gasometry, and simple chest X-rays.

Results: The incidence of PPC was 7.5% in the rehabilitation group and 19.5% in the control group; the control group also had more radiologic alterations (p = .01). Stratified PPC analysis did not reveal significant differences between groups. However, high- and moderate-risk patients in the rehabilitation group had fewer PPC. Multivariate analysis showed a greater PPC risk associated with pulmonary history (p = .02) and duration of surgery longer than 120min (p = .03), while rehabilitation exerted a protective effect (p = .06). Significant postoperative decreases in pulmonary volumes and arterial gas values were recorded in both groups, without significant differences.

Conclusions: Respiratory rehabilitation protects against PPC and is more effective in moderate- and high-risk patients, but does not affect surgery-induced functional alterations.

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    No commercial party having a direct financial interest in the results of the research supporting this article has or will confer a benefit upon the authors or upon any organization with which the authors are associated.

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