Author + information
- Hasan Güngör1,
- Cemil Zencir1,
- Çağdaş Akgüllü1,
- Ufuk Eryılmaz1,
- Tunay Kurtoğlu2,
- Mithat Selvi1,
- Sevil Önay1,
- Mustafa Çetin3,
- Ceyhun Ceyhan1,
- Alper Onbaşılı1 and
- Tarkan Tekten1
In recent literature only two data exist whether the CHADS2 and CHA2DS2-VASc scores can be used for the risk assessment of new-onset atrial fibrillation (AF) or AF after coronary artery bypass graft (CABG) surgery.
We retrospectively analyzed 133 consecutive patients (42 patients with AF after CABG surgery and 91 patients without AF) who were undergoing CABG between January 2011 and January 2013 at our department. Complete medical records were retrospectively collected to investigate, congestive heart failure, hypertension, age ≥ 75 years, diabetes, previous stroke (CHADS2) and CHA2DS2-vascular disease, age 65-74 years, sex category (CHA2DS2-VASc) scores. The primary end point of this study was the development of AF after CABG surgery in hospital.
Only age (67.6+9.7 vs 62.4+10.6 years, p=0.008) was significantly higher in AF group. Mean CHADS2 and CHA2DS2-VASc scores were 1.53+0.97 and 3.23+1.25 respectively. CHADS2 (1.62+0.91 vs 1.48+1.00, p=0.34) and CHA2DS2-VASc (3.43+1.17 vs 3.13+1.28, p=0.22) scores were higher in AF group but it was not statistically significant. When patients divided into two groups according to CHADS2 and CHA2DS2-VASc scores at the cuttof point of 2, no significant difference was detected in AF rate (31.9% vs 30.0%, p=0.55 and 34.4% vs 24.3%, p=0.18 respectively). In univariate and multivariate analysis only age was independent predictor of AF after CABG surgery (Table 1).
CHADS2 and CHA2DS2-VASc scores were not independent predictors of AF after CABG surgery. Further prospective, randomized, controlled trials are necessary to make healthier interpretations on this issue.
OR (95% CI)
|Body mass index||1.070 (0.986-1.162)||0.10|
|Left atrial diameter||2.406 (0.721-8.026)||0.15|
|Mean platelet volume||0.975 (0.898-1.060)||0.56|