Procedure success rate and complications
All studies exclusively used a fixed curve sheath (C315 HIS, Medtronic Inc., Minneapolis, MN, USA) and the Select Secure pacing lead (model 3830, Medtronic Inc., Minneapolis, MN, USA) except for Wu et al.,in whose study also used a deflectable delivery system (C304, Medtronic Inc., Minneapolis, MN, USA)22. The overall implant success rate was 88.3%, ranging from 77.5% to 98%. The most common reason for implant failure was difficulty/inability to penetrate the septum, representing 41.67% of all failures.
Eight studies reported procedure-related complications (Table 3). There were 15 complications observed in 245 patients. The most commonly reported complication was transient right bundle branch injury (14 total complications). The only other complication reported was one case of lead dislodgement.