Effect of vitamin D deficiency on the development of postoperative atrial fibrillation in coronary artery bypass patients
Abstract:
Introduction
Various factors may be responsible for the development of postoperative atrial fibrillation (POAF) in coronary artery bypass graft (CABG) patients. In our study, we demonstrated the effect of vitamin D deficiency on the development of POAF.
Methods
In this prospective case control study, patients undergoing elective, isolated CABG were considered. A total of 15 patients (16.6%) who developed POAF during the first five days after surgery made up the POAF group. Seventy-five patients that had a sinus rhythm in the same period were the non-POAF group. The two groups were compared statistically in terms of laboratory, clinical, echocardiographic, operative, and postoperative parameters.
Results
All patients were in sinus rhythm at discharge. The baseline characteristics of the study groups were comparable. The POAF group had a lower vitamin D level than the non-POAF group (9.0 ± 5.0 and 15.0 ± 8.4 ng/mL, respectively; P = 0.007). In the POAF group, the patients’ left atrium diameter and incidence of hypertension (HT) were higher than those of the non-POAF group.
Conclusion
Incidence of POAF was significantly higher in patients with vitamin D deficiency or insufficiency than the patients with vitamin D level in normal range. Therefore vitamin D deficiency or insufficiency may be a predictor of POAF in patients with CABG.
Language:
English
Published:
Journal of Cardiovascular and Thoracic Research, Volume:8 Issue: 4, Dec 2016
Pages:
140 to 146
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