Age (years), mean ± SD 78 ± 8
Male gender, n (%) 35 (67)
Comorbidities:
Heart failure, n (%)
11 (22)
Coronary heart disease, n (%)
20 (39)
Diabetes mellitus, n (%)
25 (49)
Hypertension, n (%)
41 (80)
LV ejection fraction (%), mean ± SD 56 ± 7
LV wall thickness ((septum + posterior wall)/2) (mm), mean ± SD 11 ± 1
Pacing indications:
AV block, n (%)
29 (57)
SSS, n (%)
10 (20)
Bi-, trifascicular block, n (%)
8 (15)
Atrial tachy-fibrillation with planned AV junctional ablation, n (%)
4 (8)
QRS morphology
LBBB, n (%)
5 (10)
RBBB, n (%)
14 (27)
Without BBB, n (%)
32 (63)
Procedural characteristics
A/V amplitude ratio, (%), mean ± SD
4 ± 4
HV interval *, (mm), mean ± SD
50 ± 13
Procedural duration, (min), mean ± SD
98 ± 23
RWPT in V6 during cSp capture of ventricles, (ms), mean ± SD
96 ± 9
RWPT in V6 during myocardial basal septal capture of ventricles, (ms), mean ± SD
118 ± 11
Height of basal septal region with cSp capture to heart silhouette diameter, %, mean ± SD
40 ± 5