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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT06098664
Other study ID # Z-2023039
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date June 26, 2023
Est. completion date December 1, 2023

Study information

Verified date October 2023
Source Ziekenhuis Oost-Limburg
Contact Henri M.P.B.C. Gruwez, MD
Phone +3289212051
Email henri.gruwez@zol.be
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Atrial fibrillation (AF) initially starts in a paroxysmal form, which is mainly based on the presence of triggers. Progression of AF is accompanied by structural and electrical remodelling which can typically be described as a progressive change in electrophysiological properties of the myocardium caused by cardiovascular comorbidities and AF itself. This results in complex electrical conduction disorders, which is defined as electropathology. The aim of our study is to evaluate whether an artificial intelligence (AI)-enabled ECG algorithm (on an ECG in Sinus Rhythm) can predict electropathology in patients with AF who undergo a first PVI.


Recruitment information / eligibility

Status Recruiting
Enrollment 60
Est. completion date December 1, 2023
Est. primary completion date November 1, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Provide signed and dated informed consent. - First PVI-procedure - Age is 18 years or higher. - 12-lead ECG available in SR during the last 14 days. Exclusion Criteria: - Mitral insufficiency of grade 3 or 4. - Participating in another study that may interfere with participation in this study

Study Design


Related Conditions & MeSH terms


Intervention

Diagnostic Test:
AI-enabled ECG score for Atrial Fibrillation (DNN score)
A 12-lead ECG, performed within 24 hours before the Pulmonary Vein Isolation (PVI) procedure, will be used to calculate the DNN score. (DNN score details: https://doi.org/10.1016/j.jacep.2023.04.008)
Atrial voltage map in sinus rhythm
An atrial voltage map will be constructed prior to the PVI procedure.

Locations

Country Name City State
Belgium Ziekenhuis Oost-Limburg Genk Limburg

Sponsors (1)

Lead Sponsor Collaborator
Ziekenhuis Oost-Limburg

Country where clinical trial is conducted

Belgium, 

Outcome

Type Measure Description Time frame Safety issue
Primary Low voltage area Proportion of low voltage area in the left atrium. (Defined as a threshold 0.5mV) During atrial voltage mapping, prior to PVI procedure.
Secondary Transition zone voltage area Proportion of transition zone voltage area in the left atrium. (Defined as a threshold 1mV) During atrial voltage mapping, prior to PVI procedure.
Secondary Conduction delay Number of deceleration zones in the left atrium. (Deceleration zone defined as a zone with a conduction speed of <27cm/s) During atrial voltage mapping, prior to PVI procedure.
Secondary Conduction delay score Weighted score for conduction deceleration zones (taking in account the number of affected zones and the severity of conduction delay) During atrial voltage mapping, prior to PVI procedure.
Secondary Conduction time from sinus node to Bachman bundle Based on Local Activation Time (LAT) sampling. Defined as first point in right atrium to first point in left atrium. During atrial voltage mapping, prior to PVI procedure.
Secondary Total LA conduction time Based on LAT sampling During atrial voltage mapping, prior to PVI procedure.
Secondary Left atrial appendage ejection velocity. Measured with TEE pulsed wave doppler. Immediately prior to PVI procedure.
Secondary Left atrial size Measured on CT or MRI imaging Prior to PVI procedure.
Secondary Pericardial adipose tissue volume Measured on CT or MRI imaging Prior to PVI procedure.
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