[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100659493":3},{"organization":4,"outcomesModule":7,"designInfo":14,"detailedDescription":16,"studyPopulation":17,"armGroups":18,"interventions":24,"overallOfficials":13,"centralContacts":30,"locations":36,"responsibleParty":52,"collaborators":13,"id":56,"slug":57,"hasResults":58,"nctId":59,"briefTitle":60,"officialTitle":60,"acronym":13,"eligibilityCriteria":61,"healthyVolunteers":58,"sex":62,"minAge":63,"maxAge":64,"enrollmentInfo":65,"targetDuration":68,"studyType":69,"phases":13,"briefSummary":70,"conditions":71,"keywords":73,"overallStatus":39,"whyStopped":13,"lastUpdateSubmitDate":75,"lastUpdatePostDateStruct":76,"startDateStruct":79,"completionDateStruct":81,"leadSponsor":83,"locationsCount":84},{"fullName":5,"class":6},"Burapha University","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":13},[9],{"measure":10,"description":11,"timeFrame":12},"Left ventricular end diastolic pressure","Left ventricular end diastolic pressure measured by left heart catheterization","During the cardiac catheterization procedure",null,{"allocation":13,"interventionModel":13,"interventionModelDescription":13,"primaryPurpose":13,"observationalModel":6,"timePerspective":15,"maskingInfo":13},"CROSS_SECTIONAL","Diagnostic accuracy study","adult patients (aged ≥18 years) who were scheduled to undergo coronary angiography with left heart catheterization",[19],{"label":20,"type":13,"description":21,"interventionNames":22},"Patients Undergoing Left Heart Catheterization","Adults undergoing clinically indicated coronary angiography and left heart catheterization were enrolled in this prospective cross-sectional diagnostic accuracy study. All participants underwent ultrasound examination of the common femoral vein and common femoral artery to measure their diameters and calculate the common femoral vein-to-artery diameter ratio. Left ventricular end-diastolic pressure was measured during left heart catheterization as the reference standard. No study intervention was administered.",[23],"Diagnostic Test: Ultrasound Measurement of Common Femoral Vein-to-Artery Diameter Ratio",[25],{"type":26,"name":27,"description":28,"armGroupLabels":29,"otherNames":13},"DIAGNOSTIC_TEST","Ultrasound Measurement of Common Femoral Vein-to-Artery Diameter Ratio","Ultrasound measurement of the common femoral vein and common femoral artery diameters performed in the supine position. The common femoral vein-to-artery diameter ratio is calculated from the measured vessel diameters and evaluated as a diagnostic index for detecting elevated left ventricular end-diastolic pressure. The ultrasound examination is non-invasive and does not involve administration of any therapeutic intervention.",[20],[31],{"name":32,"role":33,"phone":34,"phoneExt":13,"email":35},"Sukrisd Koowattanatianchai, Doctor","CONTACT","+66-86633007","sukrisd.ko@go.buu.ac.th",[37],{"facility":38,"status":39,"city":40,"state":13,"zip":41,"country":42,"countryCode":43,"cosmosGeoPoint":44,"geoPoint":49,"contacts":50},"Burapha University Hospital","RECRUITING","Chon Buri","20131","Thailand","TH",{"type":45,"coordinates":46},"Point",[47,48],100.98345,13.3622,{"lat":48,"lon":47},[51],{"name":32,"role":33,"phone":34,"phoneExt":13,"email":35},{"type":53,"investigatorFullName":54,"investigatorTitle":55,"investigatorAffiliation":5,"oldNameTitle":13,"oldOrganization":13},"PRINCIPAL_INVESTIGATOR","Sukrisd Koowattanatianchai","Assistant Professor of Medicine","100659493","common-femoral-vein-to-artery-diameter-ratio-for-detection-of-elevated-left-ventricular-end-diastolic-pressure-diagnostic-accuracy-study-100659493",false,"NCT07866859","Common Femoral Vein-to-Artery Diameter Ratio for Detection of Elevated Left Ventricular End-Diastolic Pressure: Diagnostic Accuracy Study","Inclusion Criteria:\n\n* adult patients (aged ≥18 years) who were scheduled to undergo coronary angiography with left heart catheterization\n\nExclusion Criteria:\n\n* (1) contraindications to cardiac catheterization; (2) inability to obtain accurate ultrasonographic measurements of the common femoral vein or common femoral artery diameters; and (3) inability to advance a guidewire across the aortic valve into the left ventricle for measurement of LVEDP.","ALL","18 Years","100 Years",{"count":66,"type":67},105,"ESTIMATED","105 Days","OBSERVATIONAL","This prospective cross-sectional diagnostic accuracy study enrolled patients undergoing coronary angiography and left heart catheterization at Burapha University Hospital, Thailand. The diameters of the common femoral vein and common femoral artery were measured using ultrasonography, and the common FVD\u002FFAD ratio was calculated. LVEDP, measured during left heart catheterization, served as the reference standard. An elevated LVEDP (\\>16 mmHg) was defined as volume overload. Diagnostic performance was evaluated using receiver operating characteristic (ROC) curve analysis.",[72],"Diagnosis of Elevated LVEDP Using Ultrasound of the Common Femoral Vein to Common Femoral Artery Diameter Ratio",[74],"femoral artery, femoral vein, ultrasound, blood volume status, left ventricular end diastolic pressure, diagnostic test","2026-10-05",{"date":77,"type":78},"2026-10-08","ACTUAL",{"date":80,"type":67},"2026-10-01",{"date":82,"type":67},"2026-12-31",{"name":5,"class":6},1]