[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100600586":3},{"organization":4,"armGroups":7,"interventions":17,"overallOfficials":22,"centralContacts":30,"locations":39,"responsibleParty":52,"collaborators":10,"id":54,"slug":55,"hasResults":56,"nctId":57,"briefTitle":58,"officialTitle":59,"acronym":10,"eligibilityCriteria":60,"healthyVolunteers":61,"sex":62,"minAge":63,"maxAge":10,"enrollmentInfo":64,"targetDuration":10,"studyType":67,"phases":10,"briefSummary":68,"conditions":69,"keywords":72,"overallStatus":41,"whyStopped":10,"lastUpdateSubmitDate":77,"lastUpdatePostDateStruct":78,"startDateStruct":81,"completionDateStruct":83,"leadSponsor":85,"locationsCount":86},{"fullName":5,"class":6},"I.M. Sechenov First Moscow State Medical University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Training sample",null,"All patients over 18 years old with and without with valvular heart disease confirmed by the results of the echocardiography and by results of the spectral analysis of electrocardiogram (the parameters listed below will be calculated as the median of the tact-cycle: TpTe, VAT, QTc, QT \u002F TQ, QRS\\_E, T\\_E, TP\\_E, BETA, BETA\\_S, BAD\\_T, QRS\\_D1\\_ons, QRS\\_D1\\_offs, QRS\\_D2, QRS\\_Ei (i = 1,2,3,4), T\\_Ei (i= 1,2,3,4), HFQRS, QRSw, RA, SA, TA and others).",[13],"Diagnostic Test: No intervention (observational study)",{"label":15,"type":10,"description":11,"interventionNames":16},"Test sample",[13],[18],{"type":19,"name":20,"description":20,"armGroupLabels":21,"otherNames":10},"DIAGNOSTIC_TEST","No intervention (observational study)",[15,9],[23,27],{"name":24,"affiliation":25,"role":26},"Philipp Kopylov, Prof.","I.M. Sechenov First Moscow State Medical University (Sechenov University)","STUDY_DIRECTOR",{"name":28,"affiliation":25,"role":29},"Natalia Kuznetsova, Dr.","PRINCIPAL_INVESTIGATOR",[31,35],{"name":28,"role":32,"phone":33,"phoneExt":10,"email":34},"CONTACT","+79164778724","kuznetsova_n_o@staff.sechenov.ru",{"name":36,"role":32,"phone":37,"phoneExt":10,"email":38},"Petr Chomakhidze, Prof.","+79166740369","chomakhidze_p_sh@staff.sechenov.ru",[40],{"facility":25,"status":41,"city":42,"state":10,"zip":43,"country":44,"countryCode":45,"cosmosGeoPoint":46,"geoPoint":51,"contacts":10},"RECRUITING","Moscow","119048","Russia","RU",{"type":47,"coordinates":48},"Point",[49,50],37.61781,55.75204,{"lat":50,"lon":49},{"type":53,"investigatorFullName":10,"investigatorTitle":10,"investigatorAffiliation":10,"oldNameTitle":10,"oldOrganization":10},"SPONSOR","100600586","screening-of-valvular-heart-disease-using-single-channel-electrocardiogram-100600586",false,"NCT07099417","Screening of Valvular Heart Disease Using Single-channel Electrocardiogram","Screening of Valvular Heart Disease Using Single-channel Electrocardiogram Analyzed With Machine Learning Models","Inclusion Criteria:\n\n* The presence of written informed consent of the patient to participate in the study\n* Age from 18 years\n* Outpatient treatment and \u002F or hospitalization in a research center\n\nExclusion Criteria:\n\n* Reluctance of the patient to participate in the study\n* Poor quality ECG recording on a single-channel ECG monitor\n* Poor visualization of the heart during echocardiographic study\n* Acute psychotic reactions that arose during research\n* An exacerbation of chronic diseases requiring treatment tactics for the patient and preventing his further participation in the study.\n\nNon-inclusion criteria:\n\n* Poor quality ECG recording on a single-channel ECG monitor\n* Conditions that can impair ECG recording quality (Parkinson's disease, essential tremor)\n* Mental illness\n* Patients with a pacemaker installed\n* Patients with prosthetic valves",true,"ALL","18 Years",{"count":65,"type":66},1200,"ESTIMATED","OBSERVATIONAL","It is a prospective, controlled, single-center, observational, non-randomized study. The study is planned to include at least 1000 patients over 18 years old in the training sample and 200 patients over 18 years old in the test sample (the total number of patients is at least 1200 people).\n\nAll patients will undergo an echocardiography examination with a comprehensive analysis of the function of the valves and other structures of the heart according to current recommendations by two independent experts.\n\nRegistration of electrocardiogram will be performed immediately after echocardiography using a single lead ECG monitor (in I standard lead) for 1 minutes.\n\nThe obtained data will be stored in the remote monitoring center of Sechenov University without being linked to the personal data of patients.\n\nA spectral analysis of the electrocardiogram will be performed using a continuous wavelet transform.\n\nThe result of this study will be the identification of ECG parameters that will correlate with valvular heart disease.",[70,71],"Valvular Heart Disease Stenosis and Regurgitation","Valvular Heart Disease",[73,74,75,76],"valvular heart disease","Screening","single-channel electrocardiogram","machine learning models","2025-07-25",{"date":79,"type":80},"2025-08-01","ACTUAL",{"date":82,"type":80},"2025-01-01",{"date":84,"type":66},"2026-12-31",{"name":5,"class":6},1]