Routine shock test during ICD swap: helpful or just extra risk?

NCT ID NCT04206371

Completed Knowledge-focused Sponsor: CMC Ambroise Paré Source: ClinicalTrials.gov ↗

First seen May 14, 2026 · Last updated May 25, 2026 · Updated 1 time

Summary

This study followed 143 people who needed a new implantable cardioverter-defibrillator (ICD) to see if routine defibrillator testing during the replacement procedure is safe and useful. Researchers checked for device or lead problems by measuring abnormal shock impedance values. The goal was to learn whether this testing helps catch issues early without causing harm.

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Contacts and locations

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Locations

CHU de Caen

Caen, Normandy, 14000, France
CHU de Toulouse-Hôpital Rangueil

Toulouse, Occitanie, 31400, France
CMC Ambroise Paré

Neuilly-sur-Seine, Île-de-France Region, 92200, France
Centre Hospitalier Henri Duffaut

Avignon, Provence-Alpes-Côte d'Azur Region, 84902, France
Hôpital Privé du Confluent

Nantes, Pays de la Loire Region, 44277, France
Hôpital Trousseau

Chambray-lès-Tours, Centre-Val de Loire, 37170, France
Institut Lorrain du Coeur et des Vaisseaux Louis Mathieu-CHU de Nancy-Hôpitaux de Brabois

Vandœuvre-lès-Nancy, Grand Est, 54500, France

Conditions

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IMPLANTABLE CARDIOVERTER-DEFIBRILLATORS