Pattern Matching Filter and multielectrode mapping catheter - A new approach for complex premature ventricular
Pedro A Sousa1, Natália António2, Sérgio Barra3
1Pacing & Electrophysiology Unit, Cardiology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal.
Revista Portuguesa De Cardiologia
|July 18, 2021
Summary
The Pattern Matching Filter (PMF) software with the PentaRay catheter significantly improved complex premature ventricular contraction (PVC) ablation by enhancing mapping detail and reducing procedure time, achieving a 100% success rate.
Area of Science:
- Cardiology
- Electrophysiology
- Medical Devices
Background:
- Complex premature ventricular contractions (PVCs) pose challenges for effective ablation.
- Standard activation mapping may be time-consuming and less detailed for intricate cases.
Purpose of the Study:
- To evaluate the efficacy of Pattern Matching Filter (PMF) software combined with the PentaRay catheter for complex PVC ablation.
- To compare this novel approach against standard activation mapping techniques.
Main Methods:
- A prospective observational study involving patients undergoing complex PVC ablation.
- Utilized PMF software and PentaRay catheter for mapping, collecting PVCs with ≥97% morphology correlation.
- Compared outcomes to a retrospective cohort using standard Thermocool SmartTouch catheter mapping.
Main Results:
- The PMF and PentaRay group acquired five times more data points and had halved procedure times compared to the standard group.
- Shorter radiofrequency ablation times and a higher overall success rate (100% vs. 75%) were observed with the PMF/PentaRay approach.
- No major complications were reported in either group.
Conclusions:
- The combination of PentaRay catheter and PMF software enhances activation map detail, accuracy, and reliability for complex PVC ablation.
- This approach reduces radiofrequency applications and procedural duration.
- Further research is needed to confirm long-term outcome improvements.
