[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"leadSponsorName\":\"Xiaohan Fan\",\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:":45},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":4,"hasResults":10,"nctId":11,"briefTitle":12,"officialTitle":13,"acronym":4,"eligibilityCriteria":14,"healthyVolunteers":10,"sex":15,"minAge":16,"maxAge":4,"enrollmentInfo":17,"targetDuration":4,"studyType":20,"phases":4,"briefSummary":21,"conditions":22,"keywords":27,"overallStatus":32,"whyStopped":4,"lastUpdateSubmitDate":33,"lastUpdatePostDateStruct":34,"startDateStruct":37,"completionDateStruct":39,"leadSponsor":41,"locationsCount":44},"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":18,"type":19},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.",[23,24,25,26],"Pacemaker","Atrioventricular Block","Clinical Trials","Pacing",[28,29,30,31],"Leadless pacing","Atrioventricular synchrony","Atrioventricular block","Atrial contraction","NOT_YET_RECRUITING","2024-09-04",{"date":35,"type":36},"2024-09-19","ACTUAL",{"date":38,"type":19},"2024-09-15",{"date":40,"type":19},"2027-07-31",{"name":42,"class":43},"Xiaohan Fan","OTHER",2,""]