Clinical Echocardiography and S' Wave for Early Recognition of Acute Coronary Syndrome in the Emergency Department, A Prospective Study
Cliniques universitaires Saint-Luc- Université Catholique de Louvain
150 participants
Jan 12, 2025
INTERVENTIONAL
Conditions
Summary
The goal of this prospective observational study is to assess the diagnostic accuracy of the tissue Doppler imaging (TDI) S' wave in detecting acute coronary syndrome (ACS) in adult patients presenting to the emergency department (ED) with acute chest pain. This study focuses on patients aged 18 years or older, who require continuous cardiac monitoring but do not show ST-elevation myocardial infarction (STEMI) on their initial ECG. The main questions it aims to answer are: * Can TDI S' wave velocity serve as an early diagnostic marker for ACS in the emergency department? * How does the diagnostic performance of TDI S' compare with other echocardiographic markers (MAPSE, TAPSE, and diastolic parameters such as E, E', A, E/A, E/E')? * Do demographic factors (age, sex, BMI, echogenicity) influence the diagnostic accuracy of echocardiographic parameters for ACS? If there is a comparison group: Researchers will compare TDI S' wave velocity findings with the final adjudicated diagnosis of ACS (determined after 3 months) to evaluate its sensitivity and specificity.
Eligibility
Inclusion Criteria5
- Age ≥18 years
- Presenting to the emergency department (ED) with acute chest pain
- No ST-elevation myocardial infarction (STEMI) on initial ECG
- Requiring continuous cardiac monitoring based on triage decision
- Able to provide informed consent (written consent required)
Exclusion Criteria9
- Known pre-existing cardiomyopathy (e.g., hypertrophic cardiomyopathy, dilated cardiomyopathy)
- Severe valvular heart disease
- Left bundle branch block (LBBB) or presence of a pacemaker
- Arrhythmias (e.g., atrial fibrillation, frequent premature ventricular contractions)
- Cardiac arrest or cardiogenic shock at presentation
- Pulmonary hypertension
- Pericardial effusion or tamponade
- Non-cardiac cause of chest pain suspected as the primary diagnosis
- Language barrier preventing informed consent (study materials available in English, French, and Dutch)
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Interventions
This intervention involves bedside echocardiographic assessment using TDI S' wave velocity to evaluate its diagnostic accuracy for acute coronary syndrome (ACS) in patients presenting with acute chest pain in the emergency department (ED).
Locations(1)
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NCT06860997