Key result
Permanent direct pacing of the left bundle branch was successfully achieved, maintaining an excellent pacing threshold (0.75 V @0.5 ms) and ventricular sensing (>15 mV) at 5 months.
Case Report (n=1)
No
Permanent direct pacing of the left bundle branch is a feasible alternative providing stable pacing parameters when His bundle pacing is unsuccessful.
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May support left bundle branch pacing when His bundle pacing fails; leaves open need for prospective validation before wider use.
Jastrzębski et al. (2019) conducted a case report in Pacemaker implantation (n=1). Permanent direct pacing of the left bundle branch was evaluated on LBB pacing threshold and ventricular sensing. Permanent direct pacing of the left bundle branch was successfully achieved, maintaining an excellent pacing threshold (0.75 V @0.5 ms) and ventricular sensing (>15 mV) at 5 months.
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