Evaluation of Radiation Dose Reduction and Safety of a Novel Fluoroscopy Filter Function During Radiofrequency Catheter Ablation for Atrial Fibrillation

Evaluation of Radiation Dose Reduction During Radiofrequency Catheter Ablation - Evaluation of Radiation Dose Reduction During Radiofrequency Catheter Ablation

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000057737

Enrollment

Registered

2025-05-01

Start date

2046-12-31

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Atrial Fibrillation

Interventions

Intervention: Patients undergoing radiofrequency catheter ablation for atrial fibrillation using the Spot ROI fluoroscopy filter function on the Alphenix system (Canon Medical Systems Corp.) Control:

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients aged 20 years or older undergoing initial radiofrequency catheter ablation for atrial fibrillation at our institution

Exclusion criteria

Exclusion criteria: Patients undergoing catheter ablation for other arrhythmias at the same time Patients with significantly reduced cardiac function, severe heart failure, or congenital heart disease Patients who are unable or unwilling to provide informed consent Patients deemed inappropriate for the study by the principal or sub-investigators

Design outcomes

Primary

Measure	Time frame
Treatment success rate, procedure duration (minutes), fluoroscopy time (minutes), patient radiation dose (cGy*cm2), perioperative complication rate	—

Countries

Japan

Contacts

Public ContactNobuhiro Suzuki

Akita University Graduate School of Medicine Department of Cardiovascular Medicine

nsuzuki@med.akita-u.ac.jp018-884-6110

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026