Chen et al (1) report their experience in 612 LBBA implantations from 2018 to 2020 .Mean time of followup was 12.5 months.
Complication rate was low. and consisted of:
2 post operative septal perforations,2 post operative lead displacements ,4 intra operative septal injuries and 2 intra operative lead fractures,none of which had serious consequences.
1) Chen, X. Procedures-related complications of Left Bundle pacing: A single center experience.
frontiers of Cardiovascular Medicine,24 March 2021. Full text is available on line.