[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100605220":3},{"organization":4,"outcomesModule":7,"designInfo":14,"detailedDescription":13,"studyPopulation":17,"armGroups":18,"interventions":23,"overallOfficials":13,"centralContacts":13,"locations":29,"responsibleParty":42,"collaborators":13,"id":46,"slug":13,"hasResults":47,"nctId":48,"briefTitle":49,"officialTitle":50,"acronym":13,"eligibilityCriteria":51,"healthyVolunteers":47,"sex":52,"minAge":53,"maxAge":13,"enrollmentInfo":54,"targetDuration":13,"studyType":57,"phases":13,"briefSummary":58,"conditions":59,"keywords":13,"overallStatus":61,"whyStopped":13,"lastUpdateSubmitDate":62,"lastUpdatePostDateStruct":63,"startDateStruct":66,"completionDateStruct":68,"leadSponsor":70,"locationsCount":71},{"fullName":5,"class":6},"Centro Medico Teknon","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":13},[9],{"measure":10,"description":11,"timeFrame":12},"Efficacy in AF freedom","The primary efficacy endpoint will be freedom from any atrial arrhythmia (AF, atrial tachycardia \\[AT\\], or atrial flutter \\[AFL\\]) at the 12-month follow-up. The following definitions apply","from the procedure to 12 months later",null,{"allocation":13,"interventionModel":13,"interventionModelDescription":13,"primaryPurpose":13,"observationalModel":15,"timePerspective":16,"maskingInfo":13},"COHORT","RETROSPECTIVE","Consecutive patients who underwent a first ablation procedure for paroxysmal or persistent atrial fibrillation",[19],{"label":20,"type":13,"description":20,"interventionNames":21},"patients who underwent a first ablation procedure for paroxysmal or persistent atrial fibrillation",[22],"Procedure: Atrial fibrillation ablation",[24],{"type":25,"name":26,"description":27,"armGroupLabels":28,"otherNames":13},"PROCEDURE","Atrial fibrillation ablation","Atrial fibrillation ablation with RF, guided by navigation system",[20],[30],{"facility":31,"status":13,"city":32,"state":13,"zip":33,"country":34,"countryCode":35,"cosmosGeoPoint":36,"geoPoint":41,"contacts":13},"Teknon Medical center","Barcelona","08022","Spain","ES",{"type":37,"coordinates":38},"Point",[39,40],2.15899,41.38879,{"lat":40,"lon":39},{"type":43,"investigatorFullName":44,"investigatorTitle":45,"investigatorAffiliation":5,"oldNameTitle":13,"oldOrganization":13},"PRINCIPAL_INVESTIGATOR","Antonio Berruezo, MD, PhD","Chief of Electrophysiology Unit","100605220",false,"NCT07159685","Sex-Based Differences of LA: Impact on AF Ablation.","Sex-Based Differences of Left Atrium: Impact on Atrial Fibrillation Ablation.","Inclusion Criteria:\n\n* Patients who underwent a first ablation procedure for atrial fibrillation (paroxysmal or persistent).\n* Availability of an adequate pre-procedural cardiac CT scan for LAWT, LAV and inFAT analysis.\n* Availability of complete procedural data, including ablation index (AI) values recorded using the SmartTouch catheter (Biosense Webster).\n* Availability of 12-month follow-up data for efficacy and safety endpoint evaluation.\n* Ablation performed according to the by-LAWT protocol\n\nExclusion Criteria:\n\n* Age \\\u003C 18 years.\n* Previous cardiac ablation (including AF ablation or other arrhythmias).\n* Incomplete data regarding procedural parameters, or follow-up.\n* Poor quality pre-procedural cardiac MDCT\n* Ablation not performed according to the BY-LAWT protocol.\n* Structural heart disease (e.g., dilated cardiomyopathy, valvular heart disease with surgical indication) that could substantially influence atrial dimensions or ablation response.","ALL","18 Years",{"count":55,"type":56},700,"ESTIMATED","OBSERVATIONAL","The aim of the study is to assess sex-related differences in patients who underwent a first ablation procedure for paroxysmal or persistent AF, guided by the personalized ablation strategy of the BY-LAWT protocol. Specifically, to compare anatomical characteristics, procedural parameters, and clinical outcomes between sexes.",[60],"Atrial Fibrillation (AF)","NOT_YET_RECRUITING","2025-09-05",{"date":64,"type":65},"2025-09-08","ACTUAL",{"date":67,"type":56},"2026-01-01",{"date":69,"type":56},"2026-05-30",{"name":5,"class":6},1]