Variable HBP (n = 37) LBBAP (n = 40) P
Therapy indication .48
ABT, n (%) 24 (64.1) 22 (55)
CRT, n (%) 13 (35.9) 18 (45)
Previous device, n (%) 6 (15.4) 4 (10%) .51
Deflectable sheath, n (%) 7 (18.9) 3 (7.5) .18
>1 de novo lead, n (%) 24 (64.9) 32 (80) .14
FT, min 17 (11.5–29) 10 (7.25–13.95) <.001
Bundle branch block, n (%) 20 (54.1) 22 (55) .93
Baseline QRS, ms 143 ± 45 140 ± 37 .64
Paced QRS, ms 117 ± 19 109 ± 8.2 <.05
QCI, % –13.5 ± 19.4 –16.2 ± 23.7 .6
Wide baseline QRS, % 23 (62.2) 25 (62.5) .97
Wide paced QRS, % 17 (45.9) 5 (12.5) .001
Threshold at implantation, V 1.5 (0.75–2.1) 0.5 (0.5–0.74) <.001
Threshold at 3 months, V 1.75 (0.75–2.4) 0.72 (0.5–0.75) <.001
R-wave detection at implantation, mV 4 ± 3 9.8 ± 3.9 <.001
R-wave detection at 3 months, mV 4.9 ± 2.9 13.5 ± 4.5 <.001
Impedance at implantation, Ω 538 ± 127 670 ± 94 <.001
Impedance at 3 months, Ω 437 ± 104 560 ± 135 <.001