Evidence map›Paper›PMID 39472838›Full record

ArticleBMC cardiovascular disorders2024

Exploring the relationship between ventricular fibrillation recurrence after defibrillation in myocardial infarction and the effectiveness of renal sympathetic denervation therapy.

Caixia Lin, Zhengyu Feng, Xiaowei Qiu

Abstract read
In one paragraph

Article in BMC cardiovascular disorders, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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4 · The record

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5 · Who and what money

Authors and funding

3 authors.

Caixia LinDepartment of Cardiology, Shanghai Ruijin Hospital Luwan Branch, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Zhengyu FengDepartment of Cardiology, Shanghai Ruijin Hospital Luwan Branch, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Xiaowei QiuDepartment of Cardiology, Shanghai Ruijin Hospital Luwan Branch, Shanghai Jiao Tong University School of Medicine, Shanghai, China. xiaowei_qiu@163.com.

Funding

Shanghai Municipal Health Commission Fund 201940390
6 · The paper itself

Abstract

objectiveThis study aimed to explore the association between electrophysiological markers of early recurrence after defibrillation in post-myocardial infarction ventricular fibrillation and the therapeutic effects of sympathetic renal denervation, as well as to investigate the potential underlying mechanisms.

methodsExperimental research was conducted using an animal model. Myocardial infarction was induced, followed by defibrillation treatment for ventricular fibrillation cases, and the electrophysiological markers of early recurrence were recorded. Subsequently, a subset of animals underwent sympathetic renal denervation intervention, and the therapeutic effects were compared between the sympathetic renal denervation group and the control group. Electrocardiogram monitoring, histological analysis of myocardial tissue, and neurotransmitter measurements were also performed.

resultsFollowing defibrillation treatment, early recurrence was observed in ventricular fibrillation cases. The electrophysiological markers revealed significantly higher ST segment elevation and T wave changes in the early recurrence group. However, in the sympathetic renal denervation intervention group, the early recurrence rate was significantly reduced, and the electrocardiogram showed improved stability and regularity. Additionally, histological analysis of myocardial tissue demonstrated less cellular damage and lower levels of myocardial fibrosis in the sympathetic renal denervation group. Neurotransmitter measurements revealed a significant decrease in sympathetic nerve activity in the sympathetic renal denervation intervention group.

conclusionThe results of this study indicate an association between electrophysiological markers of early recurrence after defibrillation in post-myocardial infarction ventricular fibrillation and the therapeutic effects of sympathetic renal denervation. Sympathetic renal denervation intervention can significantly reduce the early recurrence rate, improve electrocardiogram characteristics, and alleviate myocardial damage and fibrosis. Furthermore, the reduction in sympathetic nerve activity may be one of the potential underlying mechanisms of sympathetic renal denervation intervention.

Indexed as

Disease Models, AnimalElectric CountershockKidneyMyocardial InfarctionRecurrenceSympathectomyVentricular FibrillationAction PotentialsAnimalsElectrocardiographyFibrosisHeart RateMaleMyocardiumNeurotransmitter AgentsRats, Sprague-DawleyNeurotransmitter AgentsDefibrillation treatmentEarly recurrenceElectrophysiological markersMyocardial infarctionSympathetic renal denervationVentricular fibrillation

Identifiers

PMID39472838
PMCPMC11520884

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.