Characterization of Left Atrial Substrate in Patients With Ventricular Arrhythmias

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age18+
SponsorUniversitair Ziekenhuis Brussel

About this trial

The goal of this observational study is to analyze the characteristics of left atrial electroanatomical maps in patients without a history of atrial fibrillation but with a high clinical risk of developing it, as indicated by the presence of structural heart disease or a CHA2DS2-VASc score ≥ 2 points. The study cohort will be compared to a historical cohort of patients with diagnosed atrial fibrillation in a propensity-matched fashion.

The main questions it aims to answer are:

* Are the left atrial electroanatomical changes a consequence or a precursor to the development of atrial fibrillation? * Are the left atrial electroanatomical findings different between patients with atrial fibrillation and those at high risk of developing it? * What is the prognostic impact of left atrial pathologic changes in patients without diagnosed atrial fibrillation in terms of cardiovascular outcomes?

Eligibility criteria

Qualifiers

Absence of a prior history of atrial fibrillation or flutter.

Patients presenting for ablation of any ventricular tachycardia related to structural heart disease or any ventricular arrhythmia with a CHA2DS2-VASc score ≥ 2.

Disqualifiers

Presence of thrombus in the left atrial appendage.

Complications related to the index procedure.

Insufficient quality of the left atrial electroanatomical map.

Trial design

Treatments tested in this trial

  • Left atrial electroanatomical mapping

Treatment groups

50 Participants
are divided into 1 treatment group