Relationship Between Snoring and Pulmonary Complication After Coronary Artery Bypass Graft Surgery

Background: obstructive sleep apnea and snoring are associated with high blood pressure, stroke, and cognitive impairment, as well as increased risk of perioperative heart events and respiratory failure.objective: this study aimed to investigate the association between snoring and pulmonary complications after coronary artery bypass graft (cabg) surgery.materials and methods: in this cross-sectional study, 232 participants referred to two general hospitals in mashhad, iran, from december 2017 to january 2018, for coronary artery bypass surgery, were categorized into two groups of snoring and non-snoring history. a checklist including demographic characteristics, snoring history, medical history, lung complications, and laboratory findings was completed for each participant. in addition, three snoring questionnaires, including stop-bang, berlin, and epworth, were filled out.results: the results showed no statistically significant differences between the groups in terms of age (p=0.404). moreover, there was a significant difference in oxygen saturation, duration of extubation, and length of stay in icu and surgery ward in the snoring group. the mean score of the snoring group was significantly high according to the epworth scale (p=0.001). according to the berlin and stop-bang questionnaire, participants with snoring had a significant risk of apnea and obstructive sleep apnea with p=0.008 and p=0.001, respectively. there was no significant difference between the history of diseases, such as hypertension, diabetes, and hyperlipidemia (p>0.05).conclusion: conclusion: in cabg surgery patients, snoring increases the time required for extubation and the length of stay in hospital; it also decreases oxygen saturation after surgery.