[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100605220":3},{"organization":4,"armGroups":7,"interventions":13,"overallOfficials":10,"centralContacts":10,"locations":19,"responsibleParty":32,"collaborators":10,"id":36,"slug":10,"hasResults":37,"nctId":38,"briefTitle":39,"officialTitle":40,"acronym":10,"eligibilityCriteria":41,"healthyVolunteers":37,"sex":42,"minAge":43,"maxAge":10,"enrollmentInfo":44,"targetDuration":10,"studyType":47,"phases":10,"briefSummary":48,"conditions":49,"keywords":10,"overallStatus":51,"whyStopped":10,"lastUpdateSubmitDate":52,"lastUpdatePostDateStruct":53,"startDateStruct":56,"completionDateStruct":58,"leadSponsor":60,"locationsCount":61},{"fullName":5,"class":6},"Centro Medico Teknon","OTHER",[8],{"label":9,"type":10,"description":9,"interventionNames":11},"patients who underwent a first ablation procedure for paroxysmal or persistent atrial fibrillation",null,[12],"Procedure: Atrial fibrillation ablation",[14],{"type":15,"name":16,"description":17,"armGroupLabels":18,"otherNames":10},"PROCEDURE","Atrial fibrillation ablation","Atrial fibrillation ablation with RF, guided by navigation system",[9],[20],{"facility":21,"status":10,"city":22,"state":10,"zip":23,"country":24,"countryCode":25,"cosmosGeoPoint":26,"geoPoint":31,"contacts":10},"Teknon Medical center","Barcelona","08022","Spain","ES",{"type":27,"coordinates":28},"Point",[29,30],2.15899,41.38879,{"lat":30,"lon":29},{"type":33,"investigatorFullName":34,"investigatorTitle":35,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"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":45,"type":46},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.",[50],"Atrial Fibrillation (AF)","NOT_YET_RECRUITING","2025-09-05",{"date":54,"type":55},"2025-09-08","ACTUAL",{"date":57,"type":46},"2026-01-01",{"date":59,"type":46},"2026-05-30",{"name":5,"class":6},1]