Table 1.
Characteristics of Procedures
| Total Procedures (n=1642) |
No Complications (n=1585) |
Complications (n=57) |
P | |
|---|---|---|---|---|
| Female Gender | 425 (26) | 400 (25) | 25 (44) | <0.01 |
| Age (years) | 60±10 | 60±10 | 62±10 | 0.14 |
| Height (in) | 70±5 | 70±4 | 69±4 | 0.10 |
| Weight (lbs) | 215±65 | 214±48 | 208±40 | 0.32 |
| Persistent AF | 772 (47) | 751 (48) | 21 (37) | 0.14 |
| Previous AF Ablation | 634 (39) | 616 (42) | 18 (35) | 0.40 |
| Hypertension | 854 (53) | 819 (52) | 35 (61) | 0.22 |
| Coronary Artery Disease | 259 (16) | 248 (16) | 11 (19) | 0.49 |
| CABG surgery | 182 (11) | 175 (11) | 8 (14) | 0.52 |
| Hyperlipidemia | 813 (50) | 784 (50) | 29 (51) | 1.00 |
| Diabetes Mellitus | 212 (13) | 206 (13) | 6 (10) | 0.69 |
| Hypertrophic Cardiomyopathy | 22 (1) | 20 (1) | 2 (4) | 0.12 |
| Gastroesophageal Reflux Disease | 298 (18) | 287 (18) | 11 (19) | 0.86 |
| Hypothyroidism | 278 (17) | 271 (17) | 7 (12) | 0.37 |
| Tobacco Use | 166 (10) | 159 (10) | 7 (12) | 0.65 |
| Clopidogrel | 64(4) | 59(4) | 5(9) | 0.07 |
| Aspirin | 626(39) | 601(39) | 25(45) | 0.41 |
| ACE inhibitors | 371(23) | 361(23) | 10(18) | 0.42 |
| Beta Blockers | 1033(65) | 999(65) | 34(61) | 0.57 |
| Amiodarone Therapy | 115 (7) | 114 (7) | 1 (2) | 0.18 |
| Antiarrhythmic Drug Therapy (other than amiodarone) | 571(36) | 551(36) | 20(36) | 1.00 |
| ARB | 198(12) | 191(12) | 7(13) | 1.00 |
| Calcium Channel Blockers | 528(33) | 505(33) | 23(41) | 0.20 |
| Digoxin | 269(17) | 256(17) | 13(23) | 0.20 |
| Statin | 725(45) | 699(45) | 26(46) | 0.89 |
| Ejection Fraction | 0.54±0.22 | 0.56±0.10 | 0.55±0.11 | 0.65 |
| Left Atrial Size (mm) | 41±12 | 44±7 | 43±7 | 0.20 |
| Procedure in July or August | 286 (17) | 269 (17) | 17 (30) | 0.01 |
| Total RF Time | 67±29 | 68±29 | 62±24 | 0.24 |
| Total Fluoroscopy Time | 63±24 | 63±24 | 61±21 | 0.64 |
| Procedure Time | 280±90 | 281±80 | 279±87 | 0.81 |
| CTI Line | 249(19) | 244(19) | 5(16) | 0.82 |
| Mitral/Roof Line | 795(48) | 772(49) | 23(40) | 0.22 |
| Ablation of Complex Electrograms | 570(35) | 551(35) | 19(33) | 0.89 |
Values are n (%) or mean ± SD. AF= Atrial fibrillation; CABG= Coronary Artery Bypass Graft Surgery; ACE= Angiotensin Converting Enzyme Inhibitors; ARB= Angiotensin Receptor Blockers; CTI= Cavotricuspid Isthmus; RF= Radiofrequency