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. 2017;28(2):104-107.
doi: 10.5830/CVJA-2016-064. Epub 2016 Aug 2.

Relationship between Vitamin D and the development of atrial fibrillation after on-pump coronary artery bypass graft surgery

Levent Cerit  1 , Hatice Kemal  2 , Kamil Gulsen  2 , Barcin Ozcem  2 , Zeynep Cerit  2 , Hamza Duygu  2
Affiliations

Relationship between Vitamin D and the development of atrial fibrillation after on-pump coronary artery bypass graft surgery

Levent Cerit et al. Cardiovasc J Afr. 2017.

Abstract

Background: Vitamin D deficiency is associated with many diverse cardiovascular disorders, such as hypertension, heart failure, stroke, coronary artery disease and atrial fibrillation. The relationship between Vitamin D and the development of atrial fibrillation after coronary artery bypass surgery (CABG) has not been studied. Therefore, we assessed the relationship between Vitamin D and the development of postoperative atrial fibrillation (POAF) after CABG.

Methods: Medical records of consecutive patients who underwent CABG surgery were retrospectively reviewed for the development of atrial fibrillation in the postoperative period. Vitamin D, other biochemical parameters, and clinical and echocardiographic parameters were evaluated in all patients. The independent variables for the development of postoperative atrial fibrillation were defined and their predictive values were measured.

Results: The study group consisted of 128 patients, of whom 41 (32%) developed POAF. Age, diabetes mellitus, chronic obstructive pulmonary disease, history of transient ischaemic attack/stroke, heart failure, left atrial diameter, platelet:largecell ratio, and creatinine, urea, uric acid, calcium and potassium levels were identified as important variables for the development of POAF. However, with logistic regression analysis, chronic obstructive pulmonary disease (OR: 28.737, 95% CI: 0.836-16.118, p < 0.001), heart failure (OR: 15.430, 95% CI: 0.989-7.649, p = 0.006), diabetes mellitus (OR: 11.486, 95% CI: 0.734-11.060, p = 0.001) and left atrial diameter (OR: 1.245, 95% CI: 0.086-6.431, p = 0.011) appeared as independent variables predicting the development of POAF.

Conclusion: In our study, although there was a significant negative correlation between Vitamin D and left atrial diameter, Vitamin D level was not an independent predictor for POAF.

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