[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100561246":3},{"organization":4,"armGroups":7,"interventions":13,"overallOfficials":18,"centralContacts":23,"locations":29,"responsibleParty":47,"collaborators":50,"id":59,"slug":10,"hasResults":60,"nctId":61,"briefTitle":62,"officialTitle":63,"acronym":10,"eligibilityCriteria":64,"healthyVolunteers":60,"sex":65,"minAge":66,"maxAge":10,"enrollmentInfo":67,"targetDuration":10,"studyType":70,"phases":10,"briefSummary":71,"conditions":72,"keywords":77,"overallStatus":82,"whyStopped":10,"lastUpdateSubmitDate":83,"lastUpdatePostDateStruct":84,"startDateStruct":87,"completionDateStruct":89,"leadSponsor":91,"locationsCount":92},{"fullName":5,"class":6},"Fu Wai Hospital, Beijing, China","OTHER",[8],{"label":9,"type":10,"description":9,"interventionNames":11},"Patients received Micra AV implantation",null,[12],"Device: Micra AV implantation",[14],{"type":15,"name":16,"description":9,"armGroupLabels":17,"otherNames":10},"DEVICE","Micra AV implantation",[9],[19],{"name":20,"affiliation":21,"role":22},"Xiaohan Fan, MD,PhD","Chinese Academy of Medical Sciences, Fuwai Hospital","PRINCIPAL_INVESTIGATOR",[24],{"name":25,"role":26,"phone":27,"phoneExt":27,"email":28},"Xiaohan Fan","CONTACT","+861088322393","fanxiaohan@fuwaihospital.org",[30,42],{"facility":31,"status":10,"city":32,"state":33,"zip":34,"country":35,"cosmosGeoPoint":36,"geoPoint":41,"contacts":10},"Fu Wai Hospital","Beijing","Beijing Municipality","100037","China",{"type":37,"coordinates":38},"Point",[39,40],116.39723,39.9075,{"lat":40,"lon":39},{"facility":43,"status":10,"city":32,"state":33,"zip":34,"country":35,"cosmosGeoPoint":44,"geoPoint":46,"contacts":10},"Peking University First Hospital",{"type":37,"coordinates":45},[39,40],{"lat":40,"lon":39},{"type":48,"investigatorFullName":25,"investigatorTitle":49,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"SPONSOR_INVESTIGATOR","Professor",[51,53,55,58],{"name":52,"class":6},"Tianjin Chest Hospital",{"name":54,"class":6},"Beijing Friendship Hospital",{"name":56,"class":57},"Beijing Hospital","OTHER_GOV",{"name":43,"class":6},"100561246",false,"NCT06587672","Factors Affecting Selection of Leadless Pacemaker and Atrioventricular Synchronous Pacing Status","Factors Affecting Selection of Leadless Pacemaker in Patients With Atrioventricular Block and Atrioventricular Synchronous Pacing Status With a Micra AV: a Multicenter, Prospective, Observational Study","Inclusion Criteria:\n\n1. Patients diagnosed with atrioventricular conduction block, meeting the indications for dual-chamber leadless pacemakers as per the \"Chinese Expert Consensus on Clinical Application of Leadless Pacemakers (2022)\".\n2. Age ≥18 years.\n3. Expected lifespan ≥1 year.\n4. Consent to sign an informed consent form and cooperate in the collection of baseline data and subsequent follow-ups\n\nExclusion Criteria:\n\n1. Patients anticipated to have a high ventricular pacing proportion (\\>40%) and with left ventricular ejection fraction less than 50%.\n2. Patients with persistent atrial fibrillation and a high expected ventricular pacing proportion.\n3. Post-tricuspid valve mechanical valve replacement surgery.\n4. Patients with inferior vena cava pathway anomalies, precluding passage of the leadless pacemaker's delivery sheath.\n5. Patients with an expected lifespan of less than 1 year. 6 Patients who are pregnant, planning pregnancy, or undergoing cardiac transplantation.","ALL","18 Years",{"count":68,"type":69},112,"ESTIMATED","OBSERVATIONAL","This is a multicenter, prospective, observational study ,the aim of this study is to find factors affecting selection of double-chamber leadless pacemaker in patients with atrioventricular block and ambulatory atrioventricular synchronous pacing status over time using a leadless ventricular pacemaker.",[73,74,75,76],"Pacemaker","Atrioventricular Block","Clinical Trials","Pacing",[78,79,80,81],"Leadless pacing","Atrioventricular synchrony","Atrioventricular block","Atrial contraction","NOT_YET_RECRUITING","2024-09-04",{"date":85,"type":86},"2024-09-19","ACTUAL",{"date":88,"type":69},"2024-09-15",{"date":90,"type":69},"2027-07-31",{"name":25,"class":6},2]