[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100637624":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":10,"centralContacts":24,"locations":10,"responsibleParty":30,"collaborators":32,"id":35,"slug":36,"hasResults":37,"nctId":38,"briefTitle":39,"officialTitle":39,"acronym":10,"eligibilityCriteria":40,"healthyVolunteers":41,"sex":42,"minAge":43,"maxAge":44,"enrollmentInfo":45,"targetDuration":10,"studyType":48,"phases":10,"briefSummary":49,"conditions":50,"keywords":10,"overallStatus":52,"whyStopped":10,"lastUpdateSubmitDate":53,"lastUpdatePostDateStruct":54,"startDateStruct":57,"completionDateStruct":59,"leadSponsor":61,"locationsCount":10},{"fullName":5,"class":6},"First Affiliated Hospital Xi'an Jiaotong University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Valvular Lesions",null,"Case Group",[13],"Diagnostic Test: Transthoracic Echocardiography",{"label":15,"type":10,"description":16,"interventionNames":17},"Case Group (Valvular Lesions)","This group consists of 960 cases covering 24 valvular lesion subtypes (40 cases per subtype), designed for exploratory comparative analysis of each subtype.",[13],[19],{"type":20,"name":21,"description":22,"armGroupLabels":23,"otherNames":10},"DIAGNOSTIC_TEST","Transthoracic Echocardiography","All patients in the case group undergo transthoracic echocardiography to assess valvular structure and function, which is the core diagnostic intervention for valvular lesions.",[15,9],[25],{"name":26,"role":27,"phone":28,"phoneExt":10,"email":29},"Hui Yi Xiao, MD","CONTACT","+86-029-85323816","sbw_514@163.cpom",{"type":31,"investigatorFullName":10,"investigatorTitle":10,"investigatorAffiliation":10,"oldNameTitle":10,"oldOrganization":10},"SPONSOR",[33],{"name":34,"class":6},"Second Affiliated Hospital of Xi'an Jiaotong University","100637624","diagnostic-study-of-structural-heart-disease-based-on-cardiac-electromechanical-signals-100637624",false,"NCT07603115","Diagnostic Study of Structural Heart Disease Based on Cardiac Electromechanical Signals","Inclusion Criteria:\n\n* \\- Aged ≥ 18 years.\n* For the case group: Presence of valvular lesions confirmed by transthoracic echocardiography.\n* For the control group: Normal cardiac valves and no evidence of other cardiovascular diseases confirmed by transthoracic echocardiography.\n* Ability to undergo and complete speckle tracking echocardiography.\n\nExclusion Criteria:\n\n* Patients who are unwilling to participate in this study.\n* Patients with a known allergy to the electrode patches or medical adhesive tapes used in this study.\n* Patients who are unable to cooperate with the completion of required examinations.\n* Patients with incomplete clinical or imaging data that cannot be supplemented.",true,"ALL","18 Years","85 Years",{"count":46,"type":47},1300,"ESTIMATED","OBSERVATIONAL","Study participants will be prospectively recruited from consecutive outpatient and inpatient populations presenting to the Cardiology and Cardiac Surgery Departments of the following participating institutions: The First Affiliated Hospital of Xi'an Jiaotong University, The Second Affiliated Hospital of Xi'an Jiaotong University, and \\[add additional participating institutions as applicable\\].",[51],"Valvular Heart Disease","NOT_YET_RECRUITING","2026-05-21",{"date":55,"type":56},"2026-05-22","ACTUAL",{"date":58,"type":47},"2026-05",{"date":60,"type":47},"2027-12",{"name":5,"class":6}]