Table 2.
Procedural characteristics and clinical outcome
| LA Termination (n=104) |
RA Termination (n=24) |
RA non Termination (n=20) |
P | |
|---|---|---|---|---|
| Baseline RAA CL (ms) | 155 [143,171]* | 145 [139,162] | 144 [130,155]* | *0.04 |
| Baseline LAA CL | 153 [140,170]* | 142 [143,153] | 140 [133,158]* | *0.03 |
| RAA CL after PVI | 170 [152,184]* | 151 [142,161]* | 153[129,173] | *0.02 |
| LAA CL after PVI | 164 [152,180] | 160 [153,170] | 155 [137,165] | 0.49 |
|
RAACL after LA ablation |
186 [175,202]*† | 152[147,173]* | 160 [143,175] † | *†<0.001 |
|
LAA CL after LA ablation |
181 [170,200] | 177 [165,185] | 165 [156,195] | 0.09 |
| Total RF duration (min) | 81±24* | 89±23 | 104±19* | *<0.001 |
| Procedure duration | 240 [200,286] | 270 [231,330] | 270 [215,290] | 0.08 |
| Fluoroscopic duration | 82 [62,97] | 85 [76,101] | 94 [79,102] | 0.12 |
|
Long term clinical success n (%) |
97 (93%)* | 21 (88%)† | 11 (55%)*† | *†<0.001 |
RAA: Right atrial appendage; CL: Cycle length, LAA: Left atrial appendage; PVI: Pulmonary vein isolation, RF: Radiofrequency.
*†
Statistically significant difference between marked variables
Data compared using ANOVA for means, ANOVA on ranks for medians and Chi square for categorical data.