TABLE 5.
EPS results and ablation endpoints in each subset of AVNRT
| ALL AVNRT (N = 78) | Slow/fast (N = 59) | Fast/slow (N = 12) | Slow/slow (N = 7) | P value | |
|---|---|---|---|---|---|
| EPS | |||||
| HR at baseline (bpm) | 71 (62‐80) | 72 (65‐96) | 66 (57‐88) | 70 (57‐80) | .27 |
| HR under sedation (bpm) | 55(47‐61) | 55 (47‐63) | 50 (42‐63) | 57 (49‐61) | .33 |
| VA conduction at baseline | 66 (84%) | 44 (75%) | 10 (83%) | 6 (86%) | .68 |
| VA conduction WB rate at baseline (msec) | 430 (375‐500) | 375 (348‐500) | 403 (365‐500) | 500 (406‐575) | .28 |
| AV conduction WB rate at baseline (msec) | 430 (375‐500) | 430 (375‐500) | 375 (375‐465) | 500 (430‐500) | .26 |
| Jump up at baseline | 52 (67%) | 41 (69%) | 7 (58%) | 7 (100%) | .15 |
| One echo beat at baseline | 25 (32%) | 22 (37%) | 2 (17%) | 1 (14%) | .22 |
| SVT induction at baseline (including short run) | 15 (19%) | 11 (19%) | 2 (17%) | 2 (29%) | .53 |
| HR at induction (bpm) | 95 (82‐106) | 94 (82‐102) | 92 (82‐108) | 102 (76‐115) | .38 |
| Ablation endpoint | |||||
| No AH jump up | 27 (35%) | 22 (37%) | 4 (33%) | 1 (14%) | .84 |
| Single echo beat | 36 (46%) | 26 (44%) | 5 (42%) | 5 (71%) | |
| AH jump up only (no echo) | 14 (18%) | 10 (17%) | 3 (25%) | 1 (14%) | |
| Failure (SVT inducible) | 1 (1%) | 1 (2%) | 0 (0%) | 0 (0%) | |