Optimization of Cardiac Resynchronization Therapy by Non-Invasive Imaging of Cardiac Electrophysiology

Recruiting now · Not applicable

Conditions studied: Heart Failure

In brief

The principal aim is to analyze total left and right ventricular activation time in different CRT device programming algorithms (SyncAV) measured by non-invasive electrophysiology

Key facts

Study ID

NCT04662970

Run by

Medical University Innsbruck

People needed

25

Starts

2020-01-01

Expected to finish

2027-12-31

Last updated by the study team

2025-10-02

Who can join

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

You may qualify if…

• patients after successful implantation of a CRT-D or CRT-P device in whom a cardiac magnetic resonance examination is possible and the device is equipped with the SyncAV® programming software
• left bundle branch block before CRT implantation
• PQ interval ≤ 250 ms before implantation

You may not qualify if…

• high-grade AV block
• any contraindication concerning a safe CMR performance including claustrophobia
• terminal heart failure (NYHA IV) or cardiac decompensation
• life expectancy < 1 year
• women with child-bearing potential, pregnancy
• drug abusus

Where it is running

• Medical University Innsbruck — Innsbruck, Tyrol, Austria (enrolling)

Full record on ClinicalTrials.gov

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