[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100583481":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":10,"centralContacts":12,"locations":18,"responsibleParty":35,"collaborators":10,"id":39,"slug":40,"hasResults":41,"nctId":42,"briefTitle":43,"officialTitle":44,"acronym":45,"eligibilityCriteria":46,"healthyVolunteers":41,"sex":47,"minAge":48,"maxAge":10,"enrollmentInfo":49,"targetDuration":10,"studyType":52,"phases":10,"briefSummary":53,"conditions":54,"keywords":57,"overallStatus":21,"whyStopped":10,"lastUpdateSubmitDate":63,"lastUpdatePostDateStruct":64,"startDateStruct":67,"completionDateStruct":69,"leadSponsor":71,"locationsCount":72},{"fullName":5,"class":6},"Sun Yat-sen University","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":10},"Patients with MR",null,"Patients with ≥ moderate mitral regurgitation",[13],{"name":14,"role":15,"phone":16,"phoneExt":10,"email":17},"Xiaodong Zhuang, MD","CONTACT","+8613760755035","zhuangxd3@mail.sysu.edu.cn",[19],{"facility":20,"status":21,"city":22,"state":23,"zip":24,"country":25,"countryCode":26,"cosmosGeoPoint":27,"geoPoint":32,"contacts":33},"The First Affiliated Hospital of Sun Yat-sen Univerity","RECRUITING","Guangzhou","Guangdong","510000","China","CN",{"type":28,"coordinates":29},"Point",[30,31],113.25,23.11667,{"lat":31,"lon":30},[34],{"name":14,"role":15,"phone":16,"phoneExt":10,"email":17},{"type":36,"investigatorFullName":37,"investigatorTitle":38,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"PRINCIPAL_INVESTIGATOR","Xiao-dong Zhuang","Principle Investigator","100583481","mitral-regurgitation-risk-assessment-and-clinical-modelling-100583481",false,"NCT06876883","MItral Regurgitation Risk Assessment and CLinical modElling","MItral Regurgitation Risk Assessment and CLinical modElling (MIRACLE Study)","MIRACLE","Inclusion Criteria:\n\n* Patients diagnosed with ≥ moderate mitral regurgitation during hospitalization.\n* Aged over 18 yrs.\n\nExclusion Criteria:\n\n* Patients unable to provide written consent.","ALL","18 Years",{"count":50,"type":51},2000,"ESTIMATED","OBSERVATIONAL","Mitral regurgitation (MR) is a common valvular heart disease worldwide, and untreated severe MR is associated with an elevated risk of heart failure and mortality. According to causes, MR could be divided into primary or secondary MR. The risk factors of mortality or heart failure hospitalization in different types of MR patients are under intensive investigation.\n\nMItral Regurgitation risk Assessment and CLinical modElling (MIRACLE) study is a prospective cohort study including adult patients diagnosed with ≥ moderate MR during hospitalization. Comprehensive echocardiographic examination was conducted at baseline evaluating valvular heart disease severity, atrial and ventricular systolic\u002Fdiastolic function, pulmonary artery systolic pressure (PASP), etc. We aim to evaluate the prognostic risk factors of patients with MR and construct a prognostic clinical model to guide clinical decision-making.",[55,56],"Mitral Insufficiency","Mitral Regurgitation (MR)",[58,59,60,61,62],"mitral regurgitation","all-cause mortality","clinical modelling","cardiovascular mortality","heart failure hospitalization","2025-08-28",{"date":65,"type":66},"2025-09-05","ACTUAL",{"date":68,"type":66},"2016-06-15",{"date":70,"type":51},"2030-06-15",{"name":5,"class":6},1]