Life sciences · Observational Study
ClinicalTrials.gov · September 30, 2026
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Observational Study.
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Registry record from ClinicalTrials.gov (NCT07147699). This is a study registration, not published results. Lead sponsor: Hôpital Universitaire Sahloul. Recruitment status: WITHDRAWN. Study type: OBSERVATIONAL. Conditions: Dyspnea, Heart Failure Acute. Interventions: DEVICE: cardiostory. Primary outcome measures: Diagnostic accuracy of the CardioStory device in identifying heart failure (sensitivity, specificity, PPV, NPV). , 12 hours. Brief summary: The CARDIOSTORY.TN study is a prospective observational study at Sahloul University Hospital (Sousse, Tunisia) evaluating the CardioStory device for distinguishing heart failure (HF) from other causes of acute dyspnea. Background: Dyspnea is common in emergencies, and differentiating cardiac from non-cardiac causes is often delayed by the limits of echocardiography and BNP tests. CardioStory is a rapid (\~2 minutes), non-invasive tool that measures cardiac filling pressure, a key HF marker. Objectives: Primary: Assess CardioStory's diagnostic accuracy. Secondary: Compare it with echocardiography and NT-proBNP, evaluate ease of use, and measure time to diagnosis. Methods: Adults (≥18) with acute dyspnea (\<7 days) included; unstable or traumatic/allergic cases excluded. CardioStory results will be compared to standard diagnostics. Sample size: 850 patients over 12 months. Outcome: If accurate, CardioStory could be a fast, practical diagnostic tool for emergency settings.