HALT & REVERSE: Hsf1 activators lower cardiomyocyt damage; towards a novel approach to REVERSE atrial fibrillation

Eva A H Lanters1, Denise M S van Marion2, Charles Kik3

  • 1Department of Cardiology, Ba 579, Erasmus Medical Center, 's Gravendijkwal 230, 3015, CE, Rotterdam, The Netherlands. e.lanters@erasmusmc.nl.

Insights

This study investigates Heat Shock Proteins and atrial electropathology to understand atrial fibrillation progression. Findings may lead to new diagnostic tools for early atrial fibrillation recognition.

Area of Science:

  • Cardiology
  • Biochemistry
  • Medical Research

Background:

  • Atrial fibrillation (AF) is a progressive arrhythmia with unknown mechanisms driving recurrence.
  • Heat Shock Proteins (HSPs), key to cardiomyocyte protein quality control, may mitigate AF progression by reducing atrial remodeling.
  • The HALT & REVERSE study explores the link between HSPs, electropathology, and AF development/recurrence.

Purpose of the Study:

  • To investigate the correlation between Heat Shock Protein levels and atrial electropathology.
  • To assess the role of HSPs in AF progression following cardiac procedures.
  • To identify potential novel diagnostic markers for early AF detection.

Main Methods:

  • Prospective observational study with three groups: cardiothoracic surgery, pulmonary vein isolation (PVI), and electrical cardioversion (ECV).
  • Intra-operative high-resolution epicardial (surgery) or endocardial (PVI) mapping to assess atrial electropathology.
  • Blood and tissue samples collected for HSP analysis; AF recurrence monitored via continuous rhythm monitoring and Holter registration.

Main Results:

  • Data on HSP levels and electropathology measurements were collected across study groups.
  • Correlation analysis between HSP levels and degree of electropathology was performed.
  • AF recurrence rates and timing post-procedure were documented.

Conclusions:

  • The study aims to establish a correlation between HSP levels and the extent of atrial electropathology.
  • Outcomes are expected to inform the development of new diagnostic tools for early clinical atrial fibrillation recognition.
Abstract

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