Table 2.
Comparison of patients with acute procedural change versus those without any acute procedural change
| Variable | Acute Change, n = 8 | No Acute Change, n = 19 | P Value, Significance <0.05 |
|---|---|---|---|
| Age, y | 65.9 ± 6.4 | 63.8 ± 9.9 | 0.60 |
| Male sex | 8 (100%) | 14 (73.7%) | 0.28 |
| BMI, kg/m2 | 31.1 ± 6.1 | 30.2 ± 5.8 | 0.67 |
| CHA2DS2VASC | 2.1 ± 1.0 | 1.9 ± 1.6 | 0.36 |
| Hypertension | 5 (62.5%) | 13 (68.4%) | 1.00 |
| Coronary artery disease | 3 (37.5%) | 2 (10.5%) | 0.14 |
| Prior CVA | 2 (25%) | 1 (5.3%) | 0.20 |
| OSA | 2 (25%) | 5 (26.3%) | 1.00 |
| AF duration, y | 4.0 ± 4.4 | 4.6 ± 3.8 | 0.75 |
| AF on presentation | 3 (37.5%) | 15 (83.3%) | 0.06 |
| SR on presentation | 5 (62.5%) | 3 (15.8%) | 0.03 |
| LVEF, % | 54.1 ± 5.6 | 52.5 ± 8.3 | 0.64 |
| LA size, cm | 4.2 ± 0.6 | 4.8 ± 0.8 | 0.06 |
| Redo procedure | 3 (37.5%) | 11 (57.9%) | 0.42 |
| Fluoroscopy time, min | 62.3 ± 11.0 | 58.9 ± 11.4 | 0.49 |
| RF time, min | 47.1 ± 13.2 | 43.6 ± 15.2 | 0.60 |
| Total no. of rotors | 3.8 ± 1.7 | 2.5 ± 1.0 | 0.02 |
| Rotors in RA | 1 ± 1.2 | 1.1 ± 0.8 | 0.89 |
| Rotors in LA | 2.8 ± 1.2 | 1.5 ± 1.0 | 0.01 |
| Early recurrence (in blanking period) | 1 (12.5%) | 8 (42.1%) | 0.20 |
Abbreviations: AF, atrial fibrillation; BMI, body mass index; CHA2DS2VASC, congestive heart failure, hypertension, age ≥75 years, diabetes mellitus, stroke, vascular disease, age 65–74 years, sex category; CVA, cerebrovascular accident; LA, left atrium; LVEF, left ventricular ejection fraction; OSA, obstructive sleep apnea; RA, right atrium; RF, radiofrequency; SR, sinus rhythm.