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New Insights into Pacing Induced Cardiomyopathy
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1
Department of Cardiovascular Medicine, Chosun University Medical School, 61452 Gwangju, Republic of Korea
2
Department of Cardiovascular Medicine, Chonnam National University Medical School, 61469 Gwangju, Republic of Korea
*Correspondence: mdhwp@naver.com (Hyung Wook Park)
Rev. Cardiovasc. Med. 2024, 25(4), 118;
https://doi.org/10.31083/j.rcm2504118
Submitted: 22 October 2023 | Revised: 11 November 2023 | Accepted: 24 November 2023 | Published: 27 March 2024
(This article belongs to the Special Issue New Insights into Cardiac Implantable Electronic Devices)
Copyright: © 2024 The Author(s). Published by IMR Press.
This is an open access article under the CC BY 4.0 license.
Abstract
Pacing induced cardiomyopathy (PICM) can occur as a complication due to pacing the right ventricle. Its precise definition varies across different studies, leading to uncertainty as to the best approach for managing this entity. More than 10% of patients who undergo chronic right ventricular pacing develop PICM. Risk factors associated with PICM include reduced left ventricular ejection fraction (LVEF), the proportion of right ventricular pacing, and paced QRS duration. The main approach to treating PICM has been upgrading to biventricular pacing cardiac resynchronization therapy when the LVEF decreases. However, emerging evidence suggest that conduction system pacing might provide an opportunity to manage PICM.
Keywords
pacemaker
artificial
heart failure
Funding
Clinical Medicine Research Institute at Chosun University Hospital
Figures
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