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Life sciences · Observational Study
ClinicalTrials.gov · October 14, 2026
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Observational Study.
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Registry record from ClinicalTrials.gov (NCT07866859). This is a study registration, not published results. Lead sponsor: Burapha University. Recruitment status: RECRUITING. Study type: OBSERVATIONAL. Enrollment: 105 participants (ESTIMATED). Conditions: Acute Coronary Syndrome, Chronic Coronary Syndrome, Heart Failure. Interventions: DIAGNOSTIC_TEST: Ultrasound Measurement of Common Femoral Vein-to-Artery Diameter Ratio. Primary outcome measures: Left ventricular end diastolic pressure , During the cardiac catheterization procedure. Brief summary: 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/FAD 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.