eISSN: 1897-4252
ISSN: 1731-5530
Kardiochirurgia i Torakochirurgia Polska/Polish Journal of Thoracic and Cardiovascular Surgery
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4/2024
vol. 21
 
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abstract:
Original paper

Paravalvular positioning of a cardiac implantable electronic device electrode during tricuspid valve replacement

Safak Alpat
1
,
Ahmet Aydin
1
,
Uğur Canpolat
2
,
Mustafa Yılmaz
1

  1. Department of Cardiovascular Surgery, Faculty of Medicine, Hacettepe University, Ankara, Turkey
  2. Department of Cardiology, Faculty of Medicine, Hacettepe University, Ankara, Turkey
Kardiochirurgia i Torakochirurgia Polska 2024; 21 (4): 206-210
DOI: https://doi.org/10.5114/kitp.2024.145836
Online publish date: 2024/12/22
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Introduction
Patients who need tricuspid valve replacement (TVR) surgery often have permanent transvalvular pacemaker (PM) leads, which pose an important challenge in lead management.

Aim
The objective of this study was to evaluate the results of paravalvular positioning of a permanent pacemaker lead during TVR surgery.

Material and methods
Between 2014 and 2024, a total of 15 patients who had previously had a transvenous pacemaker system underwent TVR. Relevant information, with a focus on pacemaker characteristics, was collected retrospectively.

Results
A total of 15 patients with PM lead previously implanted underwent TVR during the study period. The median time interval between pacemaker implantation and TVR was 8.5 years (5.7–10.5 years). The preoperative median threshold amplitude and impedance values were 1 V (0.68–1.25 V) and 518 Ω (377.5–598.7 Ω), whereas the postoperative median threshold amplitude and impedance values were 0.73 V (0.5–1 V) and 460 Ω (378.5–550). During the midterm follow-up, there were no mortalities or significant morbidities, and no patients required pacemaker lead revision.

Conclusions
We concluded that paravalvular positioning of the PM lead is an acceptable option during TVR surgery, since this technique enables better function of the prosthetic valve and pacemakers at mid-term follow-up.

keywords:

tricuspid valve, regurgitation, paravalvular, pacemaker, lead
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