Localization of Anatomical Structures Involved in Nodal Tachycardias by High Density Mapping.

Recruiting now · Not applicable

Conditions studied: Atrioventricular Nodal Reentry Tachycardia, Supraventricular Tachycardia

In brief

The aim of the present work is to analyze the capacity of high resolution mapping systems to determine the precise location of the AV node and peri-nodal slow-conducting pathways, using standard recording parameters, but also off-line additional filter changes and additional techniques (conduction velocities, isochrones and dV/dt). The investigative team plan a prospective monocentric study. Detailed high resolution mapping of the Koch triangle and neighboring areas will be collected through the RHYTHMIA HDx 3D electro-anatomical mapping system and the multipolar ORION catheter. This sample will consist of 2 groups of patients: the first will include patients referred for AVNRT ablation and the second will include control patients (without AVNRT), referred for another indication requiring similar mapping system. If visualized, position of the slow pathway and AV node will be compared with the ablation areas, which will be set conventionally under fluoroscopy.

Key facts

Study ID

NCT05296954

Run by

University Hospital, Toulouse

People needed

20

Starts

2022-02-04

Expected to finish

2026-12-01

Last updated by the study team

2026-06-01

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Group 1: Patients without heart disease presenting with reciprocal tachycardia by intra-nodal reentry.
• Group 2: Control subjects, without nodal tachycardia, without heart disease, and admitted for ablation of atrial fibrillation or ventricular extrasystoles on a healthy heart and with a 3D system.

You may not qualify if…

• Presence of underlying structural heart disease or history of atrial ablation or atrial tachycardia
• Minor or protected patient
• Patient under guardianship, curatorship or safeguard of justice

Where it is running

• CHU de Toulouse — Toulouse, France (enrolling)

Full record on ClinicalTrials.gov

Trial information comes from ClinicalTrials.gov and is refreshed daily. TrialsForMe does not provide medical care and does not run the studies it lists.