Conduction disturbances following transcatheter aortic valve replacement (TAVR) sometimes require permanent pacemaker implantation. However, little is known about the pacing-induced cardiomyopathy (PICM) in leadless pacemaker (LP) after TAVR. Here we present a case of heart failure due to PICM 6 months after TAVR which was successfully treated with LOT-CRT upgrade.
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http://dx.doi.org/10.1002/ccr3.9674 | DOI Listing |
Heart Rhythm
December 2024
Harvard-Thorndike Electrophysiology Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA. Electronic address:
Background: Pacing-induced cardiomyopathy (PICM) is a frequent complication of right ventricular pacing that often requires re-operation for biventricular or conduction system pacing. Better methods for predicting PICM may inform initial pacing strategy and follow-up monitoring.
Objective: To determine if the spatial ventricular gradient (SVG), a vectorcardiographic marker of ventricular electrical and mechanical heterogeneity, is associated with subsequent development of PICM.
Pacing Clin Electrophysiol
December 2024
Arrhythmia Unit, Department of Cardiology, Hospital Juan Ramón Jiménez, Huelva, Spain.
Background: Interventricular dyssynchrony derived from the classic non-physiological stimulation (n-PS) of the right ventricle (RV) is a known cause of left ventricular dysfunction (LVDys).
Methods: This was a prospective descriptive single-center study. We analyzed patients who develop LVDys with n-PS, and the results after upgrading to conduction system pacing (CSP).
Diseases
December 2024
5th Department of Internal Medicine, Faculty of Medicine, "Iuliu Hațieganu" University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania.
Recently published data suggested significantly lower pacing-induced cardiomyopathy (PICM) incidence with conduction system pacing (CSP). Because most data evaluated only the impact on the left ventricle, this study aimed to assess changes in echocardiographic parameters of morphology and function for all heart chambers in patients with baseline preserved and mid-range LVEF over a medium-term follow-up period after CSP. A total of 128 consecutive patients with LVEF > 40% and successful CSP for bradyarrhythmic indication were prospectively enrolled.
View Article and Find Full Text PDFPacing Clin Electrophysiol
December 2024
Servei de Cardiologia, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, España.
Introduction: Right ventricular (RV) pacing can impair left ventricular function and cause heart failure, known as pacing-induced cardiomyopathy (PICM). Upgrade to cardiac resynchronization (CRT) is its usual treatment; recently left bundle branch area pacing (LBBAP) has emerged as a potential alternative. Deep septal pacing (DSP), a simplified alternative to LBBAP, is still able to achieve narrower paced QRS than during conventional RV pacing.
View Article and Find Full Text PDFConduction disturbances following transcatheter aortic valve replacement (TAVR) sometimes require permanent pacemaker implantation. However, little is known about the pacing-induced cardiomyopathy (PICM) in leadless pacemaker (LP) after TAVR. Here we present a case of heart failure due to PICM 6 months after TAVR which was successfully treated with LOT-CRT upgrade.
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