Observational study to clarify factors contributing to improved success rate of left atrial posterior wall isolation in patients with atrial fibrillation

Modified Ablation Index: A Novel Determinant of Successful First-Pass Left Atrial Posterior Wall Isolation - Modified AI as a Determinant of First-Pass LAPWI

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000043655

Enrollment

Registered

2021-03-20

Start date

2019-08-01

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

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Among patients who underwent catheter ablation for atrial fibrillation (1) Patients who underwent ablation using the CARTO system of the 3D mapping system (2) Patients whose potential in the left chamber can be measured without excess or deficiency

Exclusion criteria

Exclusion criteria: Patients who are judged by the principal investigator to be inappropriate as research subjects

Design outcomes

Primary

Measure	Time frame
Wall thickness and potential characteristics at left atrial posterior wall between the groups with successful LAPWI and failed LAPWI.	—

Secondary

Measure	Time frame
Age, sex, BW, BMI, CHADs2 score, comorbidities, history of atrial fibrillation, renal function, cardiac function, medication content ,and recurrence of atrial fibrillation after ablation between groups with successful LAPWI and failed LAPWI.	—

Countries

Japan

Contacts

Public ContactSatoshi Hayashida

Nihon University School of Medicine Division of Cardiology

satoshi.hayashida1@gmail.com03-3972-8111

Outcome results