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Updated: Oct 9, 2025

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Sensor Enabled Catheter Ablation Study (SECAS).

Hussein Rabah¹, Mahmoud Youness², Ali Rabah³

¹Department of Internal Medicine, Northwell Health, New York, USA.

|December 20, 2021

Summary

Sensor Enabled (SE) catheters and standard impedance-based catheters show similar success rates for arrhythmia ablation. However, SE catheters were associated with a statistically significant increase in complications, including ventricular fibrillation and death.

Keywords:

ablation cardiac mapping ensite precision sensor enabled catheter tachyarrhythmias

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Published on: January 31, 2019

Area of Science:

Electrophysiology
Cardiac Arrhythmia Ablation
Medical Device Technology

Background:

EnSite Precision technology aids intracardiac catheter navigation during arrhythmia ablation.
Sensor Enabled (SE) catheters integrate electrical impedance and magnetic data for enhanced mapping.
The clinical impact of SE catheters versus standard catheters remains under investigation.

Purpose of the Study:

To compare the efficacy and safety of SE catheters against non-sensor-enabled Biosense Thermocool catheters.
To evaluate if SE catheters improve success rates or reduce risks in radiofrequency ablations.
To analyze clinical outcomes using EnSite Precision mapping algorithms.

Main Methods:

Retrospective analysis of 146 patients undergoing ablation for supraventricular and ventricular arrhythmias (2016-2019).
Comparison of radiofrequency ablations performed with SE catheters versus standard impedance-based catheters.
Statistical analysis of success rates and complication frequencies.

Main Results:

Success rates were comparable: 70% for impedance-based catheters and 74% for SE catheters (p=0.7).
A statistically significant increase in complications, including ventricular fibrillation, was observed with SE catheters (p=0.01).
Complications with standard catheters included pericardial effusion, reversible heart block, and one death.

Conclusions:

SE catheters demonstrate equivalent success rates to standard impedance-based catheters with the EnSite Precision system.
The use of SE catheters in this study was associated with a higher incidence of adverse events.
Further research is warranted to clarify the safety profile of SE catheters in complex ablation procedures.