Key result
Preoperative arrhythmia (OR 9.17; 95% CI 4.49-18.10), postoperative pain, and postoperative hypoxemia were independently associated with postoperative arrhythmia following mitral valve repair.
Why the study?
Postoperative arrhythmia is a common and serious complication, but the clinical factors associated with it and its short-term prognosis after mitral valve repair needed investigation.
What clinical factors are associated with postoperative arrhythmia and short-term prognosis following mitral valve repair?
Cohort (n=618)
No
What clinical factors are associated with postoperative arrhythmia and short-term prognosis following mitral valve repair?
Postoperative arrhythmia is common after mitral valve repair and is strongly associated with preoperative arrhythmia, postoperative pain, and hypoxemia.
May warrant attention to preoperative arrhythmia, pain, and hypoxemia in mitral valve repair; hypothesis-generating for preventive interventions.
Background: Postoperative arrhythmia (POA) is one of the common and serious postoperative complications. This retrospective study was conducted to investigate the clinical factors associated with POA and its short-term prognosis following mitral valve repair. Methods: A total of 618 patients receiving mitral valve repair between January 2015 and November 2020 in our hospital were included in this retrospective study, including 318 males and 300 females and aged 53.9±9.3 years. The patients were grouped into arrhythmia and non-arrhythmia groups and investigated for risk factors associated with the prognosis of POA using multivariate logistic regression based on their clinical data. Results: POA was observed in 314 (50.8%) patients and atrial fibrillation (AF) was the most frequent (43.3%) type of POA. Compared with non-arrhythmia patients, arrhythmia patients had significantly longer time to use vasoactive drug use, longer intensive care unit (ICU) stay and longer hospital stay. In addition, the incidence of postoperative heart failure was significantly higher (P<0.05). Logistic regression analysis showed that preoperative arrhythmia [odds ratio (OR) =9.17; 95% confident interval (CI): 4.49-18.10], postoperative pain (OR =4.70; 95% CI: 1.55-6.12) and postoperative hypoxemia (OR =3.25; 95% CI: 1.04-6.28) were independently associated with POA. Conclusions: This study demonstrates that the incidence of arrhythmia is relatively high after mitral valve repair and is associated with preoperative arrhythmia, postoperative pain and postoperative hypoxemia.
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Yuxiang et al. (2021) conducted a cohort in Mitral valve repair (n=618). Preoperative arrhythmia vs. No preoperative arrhythmia was evaluated on Postoperative arrhythmia (POA) (OR 9.17, 95% CI 4.49-18.10). Preoperative arrhythmia (OR 9.17; 95% CI 4.49-18.10), postoperative pain, and postoperative hypoxemia were independently associated with postoperative arrhythmia following mitral valve repair.
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