ISSN 1671-5411 CN 11-5329/R
Volume 18 Issue 7
Jul.  2021
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Please cite this article as: Higuchi S, Okada A, Shoda M, Yagishita D, Saito S, Kanai M, Kataoka S, Yazaki K, Tabata H, Kobayashi H, Shoin W, Okano T, Yoshie K, Ejima K, Kuwahara K, Hagiwara N. Leadless cardiac pacemaker implantations after infected pacemaker system removals in octogenarians. J Geriatr Cardiol 2021; 18(7): 505−513. DOI: 10.11909/j.issn.1671-5411.2021.07.006
Citation: Please cite this article as: Higuchi S, Okada A, Shoda M, Yagishita D, Saito S, Kanai M, Kataoka S, Yazaki K, Tabata H, Kobayashi H, Shoin W, Okano T, Yoshie K, Ejima K, Kuwahara K, Hagiwara N. Leadless cardiac pacemaker implantations after infected pacemaker system removals in octogenarians. J Geriatr Cardiol 2021; 18(7): 505−513. DOI: 10.11909/j.issn.1671-5411.2021.07.006

Leadless cardiac pacemaker implantations after infected pacemaker system removals in octogenarians

doi: 10.11909/j.issn.1671-5411.2021.07.006
*The authors contributed equally to this manuscript
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  •  Background Management of pacemaker (PM) infections among advanced aged patients possesses particular clinical challenges due to higher rates of concurrent cardiovascular disease and medical comorbidities. Novel leadless cardiac pacemakers (LCPs) may provide new opportunities for better management options in this population, however, there is limited data especially in Asian populations to guide the decision making. Methods We reviewed 11 octogenarians (median age: 86 [minimum 82–maximum 90] years; male: 73%; median body mass index (BMI): 20.1 kg/m2) who received Micra Transcatheter Pacing System (Medtronic Inc, Minneapolis, MN) implantations following transvenous lead extractions (TLEs) for PM infections.  Results All patients had more than two medical comorbidities (average 3.7 comorbidities). The indications for LCP implantations were atrioventricular block in four patients, atrial fibrillation bradycardia in five, and sinus node dysfunction in two. Eight patients (73%) were bridged with temporary pacing using active fixation leads (median interval of 14.0 days), while one with severe dementia underwent a concomitant LCP implantation and TLE during the same procedure. Successful TLEs and LCP implantations were successfully accomplished in all without any complications. The median time from the TLE procedure to discharge was 22 days (minimum 7–maximum 136). All patients remained free of infections during a mean follow-up period of 17.2 ± 6.5 months. Conclusions LCP implantations were safe and effective after removing the entire infectious PM system in all octogenarians. The novel LCP technology may offer an alternative option for considering a re-implantation strategy after transvenous PM infections in elderly patients, particularly those with severe frailty and PM dependency.
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