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Cardiac MRI Structural and Functional Predictors of Left Ventricular Ejection Fraction Recovery Following PVC Catheter Ablation

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Journal Sci Rep
Specialty Science
Date 2021 Apr 16
PMID 33859295
Citations 3
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Abstract

Frequent premature ventricular contractions (PVCs) can induce cardiomyopathy (PVC CM). We sought to use cardiac magnetic resonance imaging (CMR) to quantify changes in cardiac structure and function of cardiomyopathy patients following catheter ablation for PVCs. Patients undergoing PVC ablation at the Johns Hopkins Hospital with pre-procedural CMR from 2010 to 2018 were included in this study. CMR Images were analyzed to collect information on cardiac structure and function as well as to quantify scar. Of the total 51 included patients, PVC CM (LVEF < 45%) was observed in 51% (n = 29). Of these, 19 had post-ablation ejection fractions quantified, with 78.9% (n = 15) recovering function. Global longitudinal strain was significantly correlated with LVEF (OR 1.831, p < 0.01) but did not predict recovery of function. RV origin of PVCs was more common in the preserved LVEF group but was also significantly correlated with persistently reduced EF post-ablation in the PVC CM group. Scar burden was not correlated with either cardiac function or post-ablation recovery of function. In this cohort, there were no significant CMR findings to predict subsequent recovery of EF after ablation among those with PVC CM. PVC origin in the RV was associated with persistently reduced LVEF after ablation.

Citing Articles

Risk Factors for PVC Induced Cardiomyopathy and Post-Ablation Left Ventricular Systolic Dysfunction Reversibility: A Systematic Review and Meta-Analysis of Observational Studies.

Zhao D, Chen Q, Zhou Z, Zhao P, Shi J, Yin J Rev Cardiovasc Med. 2024; 25(9):327.

PMID: 39355590 PMC: 11440414. DOI: 10.31083/j.rcm2509327.


Mechanisms and Risk Factors for Premature Ventricular Contraction Induced Cardiomyopathy.

Shen X, Zhu X, Zuo L, Liu X, Qin M Rev Cardiovasc Med. 2024; 24(12):353.

PMID: 39077080 PMC: 11272849. DOI: 10.31083/j.rcm2412353.


Premature Ventricular Contraction-Induced Cardiomyopathy: Contemporary Evidence from Risk Stratification, Pathophysiology, and Management.

Attachaipanich T, Thiravetyan B, Tribuddharat N, Jaroonpipatkul S, Navaravong L J Clin Med. 2024; 13(9).

PMID: 38731164 PMC: 11084868. DOI: 10.3390/jcm13092635.

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