ISSN: 1859 - 2872
Initial results of left bundle branch area pacing compared to right septal ventricular pacing in patients with atrio-ventricular block
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Abstract
Objective: To compare initial results of left bundle branch area pacing (LBBAP) to right septal ventricular pacing (RSVP). Subject and method: 104 patients with atrio-ventricular block who have indications for 2 chamber cardiac pacing underwent LBBAP (52 patients) and RSVP (52 patients). Endpoints: To compare the results of procedural time, fluoroscopy time, ventricular lead implantation time, major periprocedural complications; electrocardiographic characteristics, pacing parameters. Result: The average procedural time of LBBAP group was 74.38 ± 20.52 minutes, significant longer than 51.65 ± 6.79 minutes of RSVP group (p<0.001). The median of fluoroscopy time of LBBAP group was 10.95 (8.65; 14.25) minutes, significant longer than 6.3 (4.8; 8.0) minutes of RSVP group (p<0.001). 49/52 patients got successfully LBBAP and 52/52 patients successfully underwent RSVP. Paced QRS in successful LBBAP group was 112.67 ± 13.47 ms, significantly shorter than 145.85 ± 9.49 ms of RSVP group (p<0.001). Pacing thresholds were similar between the groups (0.84 ± 0.24 V/0.4 ms of successful LBBAP group compared with 0.75 ± 0.24 V/0.4 ms of RSVP group; p=0.07). 3/52 cases of the LBBAP group got an intra-procedural septal perforation requiring reposition. No major complications. Conclusion: LBBAP is superior to RSVP in terms of electrical synchronization but procedural time and fluoroscopy time are longer. No major complications in both groups.
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References
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