Effects of preoperative positive expiratory pressure breathing exercises on peri-operative pulmonary function in patients undergoing coronary artery bypass graft
Ding Yan-qiong
Wang Jian-rong
Yu Ya-qun
Abstract：Objective To investigate the efficacy of preoperative positive-expiratory-pressure (PEP) breathing on periopera-tive pulmonary function in patients undergoing coronary artery bypass graft ( CABG ) . Methods Between January 2016 and August 2016, 110 patients referred for elective CABG surgery at department of cardiovascular surgery, General Hospital of PLA were enrolled and randomly assigned to test group and control group which received PEP breathing and regular deep breathing exercises respectively before surgery. Pulmonary function test were performed at baseline, the day before surgery and the sixth postoperative day (POD6). Results VC %、VT%、FVC%、FEV1% and PEF% were significantly reduced in both test and control groups( P<0.017) on POD6 and were similar between the two groups. The change of VT% and PEF% was significant on preoperative day 1 and postoperative day 6, Interaction was seen in PEF% differently in different risk stratification. Conclusion Preoperative PEP breathing exercises could im-prove perioperative pulmonary function, especially in patients with high-risk of PPCs.
Keywords：Positive-expiratory-pressure breathing exercisesDeep breathing exercisesCoronary artery bypass graftPostop-erative pulmonary complicationsPostoperative rehabilitation
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 96-99 )