Key result
Preexisting conditions such as chronic obstructive pulmonary disease, low ejection fraction, older age, and intraoperative factors like prolonged cardiopulmonary bypass are major risk factors for postoperative respiratory complications in patients undergoing coronary artery bypass grafting.
Identifying preoperative and intraoperative risk factors can help clinicians optimize patient conditions and prevent postoperative respiratory complications after CABG.
May inform preoperative risk stratification in CABG; leaves open whether targeted interventions reduce respiratory complications.
Nowadays, coronary artery bypass grafting (CABG) is considered to be one of the most common surgical procedures. This procedure has been the main topic in many clinical research studies, which have assessed the effect of the procedure on patients outcomes. Like other surgical procedures, this procedure is also accompanied by a number of unwanted complications, including those of the respiratory system. Since the respiratory system plays an integral role in defining the clinical outcome of patients, improvements in studies that can assess and predict clinical outcomes of the respiratory system, assume greater importance. There are a number of predictive models which can assess patients in the preoperative period and introduce a number of risk factors, which could be considered as prognostic factors for patients undergoing CABG. The respiratory system is among the clinical systems that are assessed in many prediction scoring systems. This review assesses the main studies which have evaluated the possible risk factors for postoperative respiratory mortality and morbidity, in patients undergoing CABG.
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Rajaei et al. (2012) conducted a review in Postoperative respiratory mortality and morbidity in Coronary Artery Bypass Grafting (CABG). Preoperative and intraoperative risk factors was evaluated. Preexisting conditions such as chronic obstructive pulmonary disease, low ejection fraction, older age, and intraoperative factors like prolonged cardiopulmonary bypass are major risk factors for postoperative respiratory complications in patients undergoing coronary artery bypass grafting.
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