Acute Cardiac Tamponade During Multiple Electrical Pre-Mappings for Atrial Leadless Pacemaker Implantation
Ryuki Chatani1, Akina Takauchi1, Mitsuru Yoshino1
1Department of Cardiovascular Medicine Kurashiki Central Hospital Kurashiki Japan.
Journal of Arrhythmia
|March 30, 2026
Summary
Cardiac tamponade is a rare risk during leadless pacemaker implantation. Minimizing electrical pre-mapping attempts can help prevent this complication, especially in patients with lower body mass index.
Area of Science:
- Cardiology
- Medical Devices
- Electrophysiology
Background:
- Atrial leadless pacemaker implantation (ALPI) is an emerging technique.
- Cardiac tamponade is a rare but serious complication associated with cardiac device implantation procedures.
Purpose of the Study:
- To report a rare case of cardiac tamponade during ALPI.
- To highlight strategies for preventing cardiac tamponade during ALPI.
Main Methods:
- A case report of a female patient undergoing ALPI.
- Analysis of procedural steps and potential risk factors.
Main Results:
- Cardiac tamponade occurred in a patient with a lower body mass index during multiple pre-mapping attempts.
- The complication was managed successfully.
Conclusions:
- Operators should strive for single-attempt device deployment during ALPI.
- Minimizing the number of electrical pre-mapping attempts is crucial to reduce the risk of cardiac tamponade, particularly in at-risk patient populations.
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