The Effectiveness of Deep-Breathing Exercises After Coronary Artery Bypass Surgery

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The purpose of this evidence-based nursing practice paper is to discuss the effectiveness of deep-breathing exercises in the care of a patient who is recently postoperative a coronary artery bypass graft surgery (CABG). It will also critique two professional research studies on this topic, and will answer three essential questions about each study. What are the results of the study? Are the results of the study valid? How are the findings clinically relevant to this patient? The patient, who will be referred to as Mr. Doe throughout this paper, is a 58 year old male with coronary artery disease. His medical history includes angina, shortness of breath, diabetes type II, as well as hypercholesterolemia. He was scheduled for a CABG…show more content…
The two studies that will be critiqued are over the effectiveness of deep-breathing exercises in reducing postoperative pulmonary complications after CABG surgery. Study #1 showed that “patients performing deep-breathing exercises after CABG surgery had significantly smaller atelectatic areas and better pulmonary function on the fourth postoperative day compared to a control group performing no exercises,” (Westerdahl, Lindmark, Eriksson, Friberg, Hedenstierna, & Tenling, 2005). . This study began with 115 patients that were all undergoing CABG surgery at a university hospital and were “randomized to a deep-breathing group that performed deep-breathing exercises postoperatively and to a control group that performed no breathing exercises,” (Westerdahl, Lindmark, Eriksson, Friberg, Hedenstierna, & Tenling, 2005). Of the 115 patients in study #1, 23 were excluded for various reasons, leaving a total of 90 patients participating. This study was a well controlled randomized-controlled trial conducted at one site with fewer than 100 patients, and according to this information, the study is valid, and the use of deep-breathing exercises in reducing pulmonary complications postoperatively is likely to be effective. According to this study, Mr. Doe would benefit from performing deep-breathing exercises because he is a postoperative CABG patient, and the study showed that performing these improved pulmonary

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