Identifying the cause of dangerous heart rhythms

SMART Identification of Ventricular Tachycardia Isthmus

Observational Central Hospital, Nancy, France · NCT04852497

This study is trying to find out what causes dangerous heart rhythms in patients with serious heart issues by mapping their hearts during a specific treatment procedure.

Quick facts

Study typeObservational
Enrollment60 (estimated)
Ages18 Years and up
SexAll
SponsorCentral Hospital, Nancy, France Academic / other
Locations1 site (Vandoeuvre les nancy)
Trial IDNCT04852497 on ClinicalTrials.gov

What this trial studies

This observational study focuses on patients undergoing ventricular tachycardia ablation, a procedure aimed at treating serious heart rhythm disorders. It utilizes a pace-mapping technique to create 3D electro-anatomical maps of the heart, helping to identify the reentrant circuit responsible for ventricular tachycardia. By stimulating various sites within the heart, the study aims to pinpoint the areas that need to be ablated to restore normal heart rhythm. The data collected will enhance understanding of the underlying mechanisms of ventricular tachycardia in patients with ischemic cardiomyopathy.

Who should consider this trial

Good fit: Ideal candidates include patients with ischemic cardiomyopathy who have undergone ventricular tachycardia ablation and have sufficient electroanatomical data.

Not a fit: Patients with incomplete data, poor quality ECG recordings, or those without identified ventricular tachycardia isthmus during the procedure may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to more effective and targeted treatments for patients with ventricular tachycardia, potentially reducing the risk of sudden cardiac death.

How similar studies have performed: Other studies utilizing similar pace-mapping techniques have shown promise in identifying critical areas for ablation in ventricular tachycardia, suggesting a potential for success in this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Ventricular tachycardia ablation between October 2014 and April 2021
* Patient for whom electroanatomical data are available.
* Ischemic cardiomyopathy / previous myocardial infarction
* At least 30 points of pace-mapping during the VT procedure

Exclusion Criteria:

* Incomplete data
* Poor quality ECG recordings
* Absence of ventricular tachycardia isthmus identified during the procedure

Where this trial is running

Vandoeuvre les nancy

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Ventricular TachycardiaIschemic Cardiomyopathy
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.