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Table 3 Electrocardiographic characteristics

From: Predictive factors for pacemaker requirement after transcatheter aortic valve implantation

  Prior TAVI After TAVI 7-day follow-up
Rhythm
Sinus 18 (78.3) 18 (78.3) 14 (63.7)
20 (91.0) 20 (91.0) 19 (82.7) *
Atrial fibrillation 5 (21.8) 5 (21.8) 5 (21.8)
2 (9.1) 2 (9.1) 5 (9.1)
Heart rate 72.7 ± 12.6 68.5 ± 13.8 66.0 ± 16.9
67.5 ± 10.5 63.2 ± 14.4 65.7 ± 13.1
Surface ECG
PQ interval 197.1 ± 51.2 230.42 ± 40.94 243.05 ± 34.59
154.1 ± 32.1 * 167.37 ± 37.05 * 168.56 ± 30.41 *
QRS width 97.0 ± 15.0 139.04 ± 31.86 162.96 ± 33.59
95.3 ± 14.4 110.27 ± 18.38 * 120.00 ± 24.17 *
QT interval 388.2 ± 29.3 409.91 ± 28.67 408.52 ± 23.22
398.6 ± 32.8 407.36 ± 32.99 405.14 ± 32.03
Left-BBB 0 (0) 16 (69.6) 20 (87.0)
1 (4.5) 4 (18.2) * 7 (31.9) *
Right-BBB 1 (4.35) 0 (0) 0 (0)
1 (4.5) 1 (4.6) 1 (4.6)
First-degree block 5 (21.8) 8 (34.8) 18 (78.3)
3 (13.7) * 3 (13.7) * 4 (18.2) *
Second-degree block # 0 (0) 4 (17.4) 4 (17.4)
0 (0) 0 (0) * 0 (0) *
Complete block 0 (0) 4 (17.4) 6 (26.1)
0 (0) 0 (0) * 0 (0) *
Intracardiac measurement
SNRT 1086.8 ± 171.2 1093.89 ± 154.58 1122.11 ± 154.47
1045.6 ± 166.9 1050.56 ± 163.40 1070.59 ± 154.13
c-SNRT 487.0 ± 54.3 492.94 ± 43.88 498.13 ± 42.72
462.0 ± 68.4 491.12 ± 42.04 488.59 ± 42.48
AH interval 135.5 ± 44.7 139.32 ± 36.62 153.61 ± 43.40
105.8 ± 31.4 * 114.50 ± 38.55 * 116.06 ± 31.23 *
HV interval 58.5 ± 12.5 74.00 ± 13.51 81.68 ± 17.76
48.7 ± 6.9 * 55.27 ± 9.20 * 56.76 ± 8.45 *
Antegrade AV ERP 410.0 ± 42.6 470.00 ± 118.57 469.81 ± 45.75
394.4 ± 32.6 407.78 ± 32.64 * 414.71 ± 31.45 *
Retrograde AV ERP 442.6 ± 38.0 470.56 ± 45.10 494.00 ± 59.33
420.0 ± 34.3 436.67 ± 35.48 * 441.76 ± 36.27 *
  1. * p-value <0.05.
  2. italic : N-PM-group.
  3. normal: PM-group.
  4. # 2nd degree (type 2) AV-block.