[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100333973":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":19,"centralContacts":24,"locations":33,"responsibleParty":50,"collaborators":10,"id":52,"slug":53,"hasResults":54,"nctId":55,"briefTitle":56,"officialTitle":57,"acronym":58,"eligibilityCriteria":59,"healthyVolunteers":54,"sex":60,"minAge":61,"maxAge":62,"enrollmentInfo":63,"targetDuration":10,"studyType":66,"phases":10,"briefSummary":67,"conditions":68,"keywords":70,"overallStatus":36,"whyStopped":10,"lastUpdateSubmitDate":74,"lastUpdatePostDateStruct":75,"startDateStruct":78,"completionDateStruct":80,"leadSponsor":82,"locationsCount":83},{"fullName":5,"class":6},"Centre Hospitalier Universitaire, Amiens","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Aortic valve stenosis",null,"The participants will be identified from the Transthoracic ultrasound echocardiography reports of the echocardiography laboratory of the University Hospital of Amiens and CH Philibert for the retrospective part. They are analyzed during echocardiography at the echocardiography laboratory of two participating centers when a diagnosis of aortic stenosis is made. Patients are informed by newsletter.",[13],"Other: Transthoracic ultrasound",[15],{"type":6,"name":16,"description":17,"armGroupLabels":18,"otherNames":10},"Transthoracic ultrasound","Patients are prospectively identified during echocardiography performed in the echocardiography laboratory of the two participating centers when a diagnosis of aortic stenosis is made.",[9],[20],{"name":21,"affiliation":22,"role":23},"Christophe TRIBOUILLOY, MD, PhD","CHU AMIENS","PRINCIPAL_INVESTIGATOR",[25,29],{"name":21,"role":26,"phone":27,"phoneExt":10,"email":28},"CONTACT","0322087251","Tribouilloy.Christophe@chu-amiens.fr",{"name":30,"role":26,"phone":31,"phoneExt":10,"email":32},"Sylvestre MARECHAUX, MD, PhD","0320225050","sylvestre.marechaux@yahoo.fr",[34],{"facility":35,"status":36,"city":37,"state":38,"zip":39,"country":38,"countryCode":40,"cosmosGeoPoint":41,"geoPoint":46,"contacts":47},"Chu Amiens-Picardie","RECRUITING","Amiens","France","80000","FR",{"type":42,"coordinates":43},"Point",[44,45],2.3,49.9,{"lat":45,"lon":44},[48],{"name":49,"role":26,"phone":10,"phoneExt":10,"email":10},"TRIBOUILLOY CHRISTOPHE",{"type":51,"investigatorFullName":10,"investigatorTitle":10,"investigatorAffiliation":10,"oldNameTitle":10,"oldOrganization":10},"SPONSOR","100333973","valvular-aortic-stenosis-prognosis-study-100333973",false,"NCT03628313","Valvular Aortic Stenosis Prognosis Study","Valvular Aortic Stenosis Prognosis Study: Prospective and Retrospective Follow-up of a Cohort of Patients With Aortic Valve Narrowing","EPRAoV","Inclusion Criteria:\n\n* Retrospectively, all patients examined from January 1, 2000 to November 2014 will be included in the echocardiography laboratory whose objective examination is a narrowing of the aortic valve (maximum transaortic velocity ≥2.5 m \u002F s).\n* Aortic stenosis may be known in the past.\n\nExclusion Criteria:\n\n* Refusal of the patient to participate in the study.\n* Patients who have previously had aortic valve surgery before being examined in the echocardiography laboratory.\n* Patients who can not be contacted or who do not respond will not be included in the database.","ALL","18 Years","100 Years",{"count":64,"type":65},3450,"ESTIMATED","OBSERVATIONAL","Aortic stenosis is the most common valvulopathy in Western countries. Cardiac EchoDoppler is the reference method for assessment of aortic stenosis and provides prognostic elements. However, it is imperfect with many inconsistencies between measures. On the other hand, the prognosis of patients with low flow and low gradient aortic retraction is discussed.\n\nThe main objective of this work is to study the prognosis of asymptomatic and symptomatic aortic retraction.",[69],"Morality",[71,72,9,73],"Echoacrdiography","EchoDoppler","Prognosis","2026-06-23",{"date":76,"type":77},"2026-06-25","ACTUAL",{"date":79,"type":77},"2015-09-03",{"date":81,"type":65},"2026-06",{"name":5,"class":6},1]