[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100620626":3},{"organization":4,"armGroups":7,"interventions":17,"overallOfficials":10,"centralContacts":25,"locations":35,"responsibleParty":50,"collaborators":10,"id":52,"slug":53,"hasResults":54,"nctId":55,"briefTitle":56,"officialTitle":56,"acronym":57,"eligibilityCriteria":58,"healthyVolunteers":54,"sex":59,"minAge":60,"maxAge":10,"enrollmentInfo":61,"targetDuration":64,"studyType":65,"phases":10,"briefSummary":66,"conditions":67,"keywords":69,"overallStatus":37,"whyStopped":10,"lastUpdateSubmitDate":71,"lastUpdatePostDateStruct":72,"startDateStruct":75,"completionDateStruct":77,"leadSponsor":79,"locationsCount":80},{"fullName":5,"class":6},"Samsung Medical Center","OTHER",[8,13],{"label":9,"type":10,"description":9,"interventionNames":11},"Right Atrial Appendage Pacing",null,[12],"Procedure: Right Atrial Appendage Pacing",{"label":14,"type":10,"description":14,"interventionNames":15},"Bachmann Bundle Pacing",[16],"Procedure: Bachmann Bundle Pacing",[18,22],{"type":19,"name":9,"description":20,"armGroupLabels":21,"otherNames":10},"PROCEDURE","Atrial lead positioned in the right atrial appendage",[9],{"type":19,"name":14,"description":23,"armGroupLabels":24,"otherNames":10},"Atrial lead positioned in the bachmann bundle branch",[14],[26,31],{"name":27,"role":28,"phone":29,"phoneExt":10,"email":30},"Kim Ju Won, Clinical assistant professor, Ph.D","CONTACT","82+ 10-2079-8154","abcd186a@naver.com",{"name":32,"role":28,"phone":33,"phoneExt":10,"email":34},"Lee Ju Hee, Clinical Research Nurse, Bachelor","82+ 10-7180-3357","phacyde12@gmail.com",[36],{"facility":5,"status":37,"city":38,"state":38,"zip":39,"country":40,"countryCode":10,"cosmosGeoPoint":41,"geoPoint":46,"contacts":47},"RECRUITING","Seoul","06351","South Korea",{"type":42,"coordinates":43},"Point",[44,45],126.9784,37.566,{"lat":45,"lon":44},[48],{"name":27,"role":28,"phone":49,"phoneExt":10,"email":30},"82+ 2-3410-3419",{"type":51,"investigatorFullName":10,"investigatorTitle":10,"investigatorAffiliation":10,"oldNameTitle":10,"oldOrganization":10},"SPONSOR","100620626","prospective-cohort-study-of-bachmann-bundle-versus-right-atrial-appendage-pacing-impact-on-atrial-cardiomyopathy-evaluated-by-echocardiographic-parameters-and-clinical-outcome-100620626",false,"NCT07360067","Prospective Cohort Study of Bachmann Bundle Versus Right Atrial Appendage Pacing: Impact on Atrial Cardiomyopathy Evaluated by Echocardiographic Parameters and Clinical Outcome","BRAVE","Inclusion Criteria:\n\n* Patients aged 19 years or older\n* Patients diagnosed with sick sinus syndrome who are scheduled for de novo implantation of a permanent pacemaker or permanent implantable cardioverter-defibrillator\n* Patients or their legal representatives who voluntarily consent to the access of medical records and study data throughout the entire research period\n\nExclusion Criteria:\n\n* Patients with persistent or permanent AF\n* Patients with a life expectancy of less than one year due to other comorbidities\n* Pregnant or breastfeeding women\n* Patients who refuse active treatment","ALL","19 Years",{"count":62,"type":63},200,"ESTIMATED","1 Year","OBSERVATIONAL","The goal of this observational study is to evaluate the impact of different atrial pacing sites-Bachmann's bundle pacing versus right atrial appendage pacing-on the development and progression of atrial cardiomyopathy in patients diagnosed with sick sinus syndrome who are undergoing permanent pacemaker implantation.",[68],"Sick Sinus Syndrome",[70],"bachmann bundle pacing","2026-01-14",{"date":73,"type":74},"2026-01-22","ACTUAL",{"date":76,"type":74},"2025-12-09",{"date":78,"type":63},"2028-12-31",{"name":5,"class":6},1]