Total number of patients 11
Successful LB pacing Male Female 10 (91%) 6 4
Follow up (months) 4.7 (range 1-7 months)
Age in years 82.1 ± 2.5 years
Coronary artery disease 5 patients(50%)
Pre-procedure – ECG and ECHO QRS duration (milliseconds) LV ejection fraction (%) Septal Thickness (mm) 145.9 ± 27.7ms 47.6 ± 11.2% 11.1 ± 0.7 mm
Left ventricular function Ejection fraction <50% Ejection fraction >50% 7 patients 3 patients
Pacing indications AV block LBBB with Low EF Sinus node dysfunction 5 patients 4 patients 1 patient
Procedural parameters LBBP fluoroscopy time (minutes) Unipolar pacing threshold (@0.5ms pulse width) Unipolar pacing impedance (ohms) Sensed R wave amplitude (mV) Paced QRS duration (ms) pLVAT (ms) 17.9 ± 8.2 min 0.58 ± 0.22 V 773.6 ± 112.9 ohms 17.35 ± 6.5 mV 107.1 ± 9.5 ms 72.2 ± 5.3 ms
Safety Parameters Acute lead dislodgement Late lead dislodgement Late rise in threshold by >1V Thrombo-embolic episodes Mortality Nil Nil Nil Nil Nil