The Role of Preoperative Breathing Exercises in Reducing Postoperative Respiratory Complications in Coronary Artery Bypass Grafting: A Comparative Review of On-Pump and Off-Pump Techniques | [Pakistan Heart Journal • 2024]

Author(s):

1. Wajeeha Sahar: Lincoln University College,,Malaysia

2. Asita Elengoe: Lincoln University College,,Malaysia

3. Syeda Aiman Batool: The University of Lahore,,Pakistan

4. Aqsa Bashir: The University of Lahore,,Pakistan

5. Ali Shan: The University of Lahore,,Pakistan

6. Anjum Jalal: Punjab Institute of Cardiology, Pakistan

Abstract:

Objectives: This review aims to evaluate the efficacy of preoperative breathing exercises in reducing postoperative respiratory complications, particularly respiratory failure, in patients undergoing CABG surgery. The review also compares the outcomes of these interventions in patients undergoing on-pump (ONCAB) versus off-pump (OPCAB) procedures. Methodology: A comprehensive literature search was conducted across multiple databases, including PubMed, Scopus, and Cochrane Library, to identify studies that examined the impact of preoperative breathing exercises on respiratory outcomes in CABG patients. The review focused on randomized controlled trials (RCTs) that compared the effectiveness of these exercises in ONCAB and OPCAB settings. Results: The review identified several studies supporting the role of preoperative breathing exercises in reducing postoperative respiratory complications. These exercises, including diaphragmatic breathing, incentive spirometry, and deep breathing, were associated with improved pulmonary outcomes, such as reduced incidence of respiratory failure, shorter durations of mechanical ventilation, and decreased hospital length of stay. While the overall results were positive for both ONCAB and OPCAB patients, variations were observed based on the surgical technique and patient-specific factors. Conclusion: Preoperative breathing exercises are an effective intervention for reducing the risk of postoperative respiratory complications in CABG patients. The benefits were observed in both ONCAB and OPCAB procedures, with particular advantages noted in the ONCAB group due to the higher baseline risk. Further research is needed to optimize these interventions, considering the individualized nature of patient responses and the specific characteristics of each surgical technique.

Page(s): 179-187

DOI: 10.47144/phj.v57i3.2792

Published: Journal: Pakistan Heart Journal, Volume: 57, Issue: 3, Year: 2024

Keywords:

Coronary artery bypass grafting CABG , Postoperative complications , Respiratory failure , pulmonary outcomes , offpump CABG OPCAB , onpump CABG ONCAB , preoperative breathing exercises

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