Cardiac Arrhythmia Clinical Trial
Official title:
Use of the Rhytmia System for Determining the Precise Location and Potential Mechanism of Premature Ventricular Contractions
This is a purely observational project and the objectives are to record and analyze the local potentials at the site of Premature Ventricular Contraction (VPC) focus through the Rhythmia system, ti determine the short and long-term success of the procedure and compare it to the existing literature about standard procedures, to highlight the advantages of the system compared to conventional mapping and to characterize optimal pace map or activation map as achieved by the Rhythmia system.
This is a purely observational study. No special methodology choice, no comparison.
The study want to find the determination of precise location of the focus and mechanisms
involved constitutes a challenge for conventional electrophysiology, even with tridimensional
systems, because of the time needed for accurate delineation of the location (due to the
sometimes unfrequent Ventricular Premature Beats (VPB)) and to the insufficient mapping
density or inadequate signal characteristics. The Rhythmia system could allow better
determination of the focus location in relation to the anatomical structures, especially with
unfrequent VPB, because of the available high density mapping due to the number of closed
high-resolution electrodes located on the Orion catheter. Better delineation of the true
focus origin and of the mechanisms involved (automaticity vs re-entry) may be of useful help
for better understanding and efficient therapy.
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