[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100515796":3},{"organization":4,"armGroups":7,"interventions":23,"overallOfficials":33,"centralContacts":37,"locations":42,"responsibleParty":57,"collaborators":29,"id":59,"slug":60,"hasResults":61,"nctId":62,"briefTitle":63,"officialTitle":64,"acronym":29,"eligibilityCriteria":65,"healthyVolunteers":61,"sex":66,"minAge":67,"maxAge":29,"enrollmentInfo":68,"targetDuration":29,"studyType":71,"phases":72,"briefSummary":74,"conditions":75,"keywords":29,"overallStatus":44,"whyStopped":29,"lastUpdateSubmitDate":77,"lastUpdatePostDateStruct":78,"startDateStruct":81,"completionDateStruct":83,"leadSponsor":85,"locationsCount":86},{"fullName":5,"class":6},"Seoul National University Hospital","OTHER",[8,14,19],{"label":9,"type":10,"description":11,"interventionNames":12},"vHPSD ablation only for PVI","EXPERIMENTAL","Pulmonary vein encirclement is achieved using contiguous applications of very high power and short duration (90 W over 4 seconds). The inter-lesion distance is set at 3-4mm for the roofs and anterior segments, and 5-6mm for other segments. If the esophageal temperature rises \\> 38 for segments near the esophagus, encirclement will be applied at 25 W for 15 seconds.",[13],"Device: QDOT MicroTM catheter",{"label":15,"type":10,"description":16,"interventionNames":17},"vHPSD and AI-guided ablation for PVI","At the anterior segments, pulmonary vein encirclement is achieved through contiguous applications using AI-guided ablation (40-50 W, AI target 500, and an inter-lesion distance of 4mm).\n\nIn the other segments, pulmonary vein encirclement is achieved through contiguous applications using very high-power and short-duration techniques (90 W over 4 seconds, inter-lesion distance of 3-4mm; if the segments are near the esophagus, encirclement will be applied at 25 W for 15 seconds).",[13,18],"Device: AI-guided ablation only for PVI",{"label":20,"type":10,"description":21,"interventionNames":22},"AI-guided ablation only for PVI","Pulmonary vein encirclement is achieved through contiguous applications using AI-guided ablation (40-50 W, AI target 500 for anterior segments and 400 for other segments, with an inter-lesion distance of 4mm; if the segments are near the esophagus, encirclement will be applied at 25 W for 15 seconds)",[18],[24,30],{"type":25,"name":26,"description":27,"armGroupLabels":28,"otherNames":29},"DEVICE","QDOT MicroTM catheter","Novel high power-short duration ablation catheter for atrial fibrillation",[9,15],null,{"type":25,"name":20,"description":31,"armGroupLabels":32,"otherNames":29},"Ablation is the removal or destruction of something from an object by vaporization, chipping, erosive processes, or by other means.",[20,15],[34],{"name":35,"affiliation":5,"role":36},"Eue-Keun Choi, M.D. Ph.D.","PRINCIPAL_INVESTIGATOR",[38],{"name":35,"role":39,"phone":40,"phoneExt":29,"email":41},"CONTACT","82-2-2072-0688","choiek417@gmail.com",[43],{"facility":5,"status":44,"city":45,"state":29,"zip":29,"country":46,"countryCode":29,"cosmosGeoPoint":47,"geoPoint":52,"contacts":53},"RECRUITING","Seoul","South Korea",{"type":48,"coordinates":49},"Point",[50,51],126.9784,37.566,{"lat":51,"lon":50},[54],{"name":55,"role":39,"phone":29,"phoneExt":29,"email":56},"Eue-Keun Choi, MD, PhD","choiek17@snu.ac.kr",{"type":58,"investigatorFullName":29,"investigatorTitle":29,"investigatorAffiliation":29,"oldNameTitle":29,"oldOrganization":29},"SPONSOR","100515796","pulmonary-vein-isolation-strategy-of-very-high-power-short-duration-in-patients-with-paroxysmal-atrial-fibrillation-100515796",false,"NCT05996159","Pulmonary Vein Isolation Strategy of Very High Power Short Duration in Patients With Paroxysmal Atrial Fibrillation","Pulmonary Vein Isolation Strategy of Very High Power Short Duration in Patients With Paroxysmal Atrial Fibrillation: Q-INDEX Trial","Inclusion Criteria:\n\n* Patients undergoing PVI for PAF\n\nExclusion Criteria:\n\n* Aged less than 19 years\n* Patients with persistent AF\n* Patients with previous ablation or surgery for AF\n* Patients with intracardiac thrombus or thromboembolic events within the previous 90 days\n* Patients with cardiac surgery or acute coronary syndrome within the previous 90 days\n* Patients with contraindication(s) for using oral anticoagulants\n* Patients with LA anteroposterior diameter of more than 55 mm\n* Patients with left ventricular ejection fraction less than 35%\n* Pregnants or those who plan to become pregnant during the study\n* Life expectancy less than a year","ALL","19 Years",{"count":69,"type":70},150,"ESTIMATED","INTERVENTIONAL",[73],"NA","This study aims to investigate the effect of reducing ablation time for a hybrid approach of vHPSD and AI-guided ablation using the QDOT Micro catheter in PVI among patients with PAF.",[76],"Paroxysmal Atrial Fibrillation","2026-05-18",{"date":79,"type":80},"2026-05-20","ACTUAL",{"date":82,"type":80},"2023-11-07",{"date":84,"type":70},"2027-05-01",{"name":5,"class":6},1]