Precise Signals with a High-Density Grid Mapping Catheter Are Useful for an Entrainment Study
Jun Oikawa1, Hidehira Fukaya1, Shinichi Niwano1
1Department of Cardiovascular Medicine, Kitasato University School of Medicine.
International Heart Journal
|July 21, 2020
Summary
Identifying complex atrial tachycardia (AT) circuits is challenging. A new high-density mapping catheter improves signal quality, enabling detailed entrainment mapping for successful treatment.
Area of Science:
- Electrophysiology
- Cardiovascular Medicine
Background:
- Complex atrial tachycardias (ATs) post-cardiac procedures pose diagnostic challenges.
- Accurate identification of tachycardia circuits is crucial for effective treatment.
Observation:
- A novel high-density, grid-shaped mapping catheter with 1 mm electrodes offers improved signal quality.
- High-quality intracardiac electrograms facilitate differentiation of critical potentials.
Findings:
- Detailed entrainment mapping using the HD Grid successfully identified and treated a perimetral AT with epi-endocardial breakthrough.
- The catheter enabled precise mapping in targeted narrow areas.
Implications:
- This high-density mapping catheter serves as a significant diagnostic tool for electrophysiological studies (EPS).
- It aids in constructing detailed 3D electroanatomic maps for complex arrhythmias.
- Improved signal quality enhances the ability to diagnose and treat challenging ATs.
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