[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100561246":3},{"organization":4,"armGroups":7,"interventions":13,"overallOfficials":18,"centralContacts":23,"locations":29,"responsibleParty":48,"collaborators":51,"id":60,"slug":10,"hasResults":61,"nctId":62,"briefTitle":63,"officialTitle":64,"acronym":10,"eligibilityCriteria":65,"healthyVolunteers":61,"sex":66,"minAge":67,"maxAge":10,"enrollmentInfo":68,"targetDuration":10,"studyType":71,"phases":10,"briefSummary":72,"conditions":73,"keywords":78,"overallStatus":83,"whyStopped":10,"lastUpdateSubmitDate":84,"lastUpdatePostDateStruct":85,"startDateStruct":88,"completionDateStruct":90,"leadSponsor":92,"locationsCount":93},{"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",[30,43],{"facility":31,"status":10,"city":32,"state":33,"zip":34,"country":35,"countryCode":36,"cosmosGeoPoint":37,"geoPoint":42,"contacts":10},"Fu Wai Hospital","Beijing","Beijing Municipality","100037","China","CN",{"type":38,"coordinates":39},"Point",[40,41],116.39723,39.9075,{"lat":41,"lon":40},{"facility":44,"status":10,"city":32,"state":33,"zip":34,"country":35,"countryCode":36,"cosmosGeoPoint":45,"geoPoint":47,"contacts":10},"Peking University First Hospital",{"type":38,"coordinates":46},[40,41],{"lat":41,"lon":40},{"type":49,"investigatorFullName":25,"investigatorTitle":50,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"SPONSOR_INVESTIGATOR","Professor",[52,54,56,59],{"name":53,"class":6},"Tianjin Chest Hospital",{"name":55,"class":6},"Beijing Friendship Hospital",{"name":57,"class":58},"Beijing Hospital","OTHER_GOV",{"name":44,"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":69,"type":70},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.",[74,75,76,77],"Pacemaker","Atrioventricular Block","Clinical Trials","Pacing",[79,80,81,82],"Leadless pacing","Atrioventricular synchrony","Atrioventricular block","Atrial contraction","NOT_YET_RECRUITING","2024-09-04",{"date":86,"type":87},"2024-09-19","ACTUAL",{"date":89,"type":70},"2024-09-15",{"date":91,"type":70},"2027-07-31",{"name":25,"class":6},2]