[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100648257":3},{"organization":4,"armGroups":7,"interventions":13,"overallOfficials":10,"centralContacts":18,"locations":24,"responsibleParty":39,"collaborators":10,"id":43,"slug":44,"hasResults":45,"nctId":46,"briefTitle":47,"officialTitle":48,"acronym":10,"eligibilityCriteria":49,"healthyVolunteers":45,"sex":50,"minAge":51,"maxAge":10,"enrollmentInfo":52,"targetDuration":10,"studyType":55,"phases":56,"briefSummary":58,"conditions":59,"keywords":61,"overallStatus":66,"whyStopped":10,"lastUpdateSubmitDate":67,"lastUpdatePostDateStruct":68,"startDateStruct":71,"completionDateStruct":73,"leadSponsor":75,"locationsCount":76},{"fullName":5,"class":6},"Recep Tayyip Erdogan University Training and Research Hospital","OTHER",[8],{"label":9,"type":6,"description":10,"interventionNames":11},"Ultrasound assessment",null,[12],"Diagnostic Test: Ultrasound assessment",[14],{"type":15,"name":9,"description":16,"armGroupLabels":17,"otherNames":10},"DIAGNOSTIC_TEST","Determination of optic nerve sheath diameter (ONSD), optic disc elevation (ODE) and the presence of the crescent sign using bedside ultrasound",[9],[19],{"name":20,"role":21,"phone":22,"phoneExt":10,"email":23},"Mümin M Yazici, Specialist","CONTACT","+9005364971612","mmuratyazici53@gmail.com",[25],{"facility":26,"status":10,"city":27,"state":28,"zip":29,"country":30,"countryCode":10,"cosmosGeoPoint":31,"geoPoint":36,"contacts":37},"Recep Tayyip Erdoğan University Rize Training and Research Hospital","Rize","Centrale","53020","Turkey (Türkiye)",{"type":32,"coordinates":33},"Point",[34,35],40.52194,41.02083,{"lat":35,"lon":34},[38],{"name":20,"role":21,"phone":22,"phoneExt":10,"email":23},{"type":40,"investigatorFullName":41,"investigatorTitle":42,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"PRINCIPAL_INVESTIGATOR","Mümin Murat Yazıcı","Emergency medicine specialist","100648257","diagnostic-accuracy-of-onsd-ode-and-the-crescent-sign-100648257",false,"NCT07719842","Diagnostic Accuracy of ONSD, ODE, and the Crescent Sign","Diagnostic Accuracy of ONSD, ODE, and the Crescent Sign on Ultrasound for Identifying Increased Intracranial Pressure: A Multicenter Study","Inclusion Criteria:\n\n* All patients presenting at the ED with any symptoms, who have undergone a cranial CT or cranial MRI for the diagnosis of cranial pathologies, and who do not meet the exclusion criteria\n\nExclusion Criteria:\n\n* Patients under the age of 18\n* Patients who have not undergone a cranial CT or cranial MRI\n* Patients with orbital injuries\n* Patients in whom ultrasonographic measurements cannot be performed\n* Patients brought to ED following a cardiac arrest\n* Patients who do not consent to diagnosis and treatment of their own volition","ALL","18 Years",{"count":53,"type":54},10,"ESTIMATED","INTERVENTIONAL",[57],"NA","Our aim was to determine the diagnostic accuracy of the ONSD, ODE, and crescent sign, as detected by POCUS, in identifying the clinical and radiological features of increased intracranial pressure.",[60],"Assessment of ONSD, ODE and the Crescent Sign Using POCUS",[62,63,64,65],"POCUS","ONSD","ODE","crescent sign","NOT_YET_RECRUITING","2026-07-19",{"date":69,"type":70},"2026-07-22","ACTUAL",{"date":72,"type":54},"2026-08-01",{"date":74,"type":54},"2027-01-31",{"name":5,"class":6},1]