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- W4377015894 abstract "Left bundle branch area pacing (LBBAP) has demonstrated stable short and intermediate-term electrophysiological outcomes. To evaluate acute procedural and intermediate-term follow up electrophysiological outcomes of LBBAP. Patients undergoing LBBAP between February 2019 and September 2022 were prospectively analyzed. Implantation characteristics, electrocardiographic outcomes, and echocardiographic outcomes were assessed at time of implant and at time of follow-up. LBBAP was successful in 597/662 patients (90.2%). Lead revision/dislodgement occurred in 2% of the patients. Median follow up was 476 days (IQR 247-754), with mean 506 ± 324 days. Baseline demographics are listed in Table 1. Patients had baseline QRS duration of 117.3 ± 32.3 ms. Pacemaker indications were sinus nodal dysfunction (40.2%), atrioventricular block (36.3%), cardiac resynchronization therapy (7.4%), and refractory atrial fibrillation (16.1%). Mean procedure duration and fluoroscopic time were 89.7 ± 27.6 min and 11.4 ± 7.9 min, respectively. Mean LVAT at high and low output were 72.5 ± 10.9 ms and 75.8 ± 11.4 ms, respectively. Paced QRS duration was 117.2 ± 12.8 ms, and stim-QRS latency was 22.0 ± 9.0 ms. Paced V1 morphologies were qR (64.1%), rSR (6.7%), and QS (29.2%). Pre procedure left-ventricular ejection fraction (LVEF) was 54.5 ± 11.2%, and it remained stable at post-implant with value of 54.7 ± 9.7% (p>0.5). Capture threshold, lead impedance, and R waves at different follow up periods were stable at follow-up, compared to 1-month follow up, despite statistical significance (Figure 1). LBBAP demonstrates stable intermediate-term electrophysiological and echocardiographic parameters, proving itself to be a reliable approach to conduction system pacing." @default.
- W4377015894 created "2023-05-19" @default.
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- W4377015894 date "2023-05-01" @default.
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- W4377015894 title "PO-03-026 ACUTE PROCEDURAL AND INTERMEDIATE-TERM LEAD PERFORMANCE OF LEFT BUNDLE BRANCH AREA PACING" @default.
- W4377015894 doi "https://doi.org/10.1016/j.hrthm.2023.03.1042" @default.
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