Evaluation and prognostic significance of left ventricular diastolic function assessed by Doppler echocardiography in the early phase of a first acute myocardial infarction
Key result
Mitral E deceleration time ≤ 130 ms and age were significant independent predictors of congestive heart failure development during the first week following a first acute myocardial infarction.
Why the study?
Does early assessment of left ventricular diastolic function by Doppler echocardiography predict the development of congestive heart failure in patients with a first acute myocardial infarction?
Population
65 consecutive patients with a first acute myocardial infarction assessed within 1 h of arrival in the…
Design
Cohort
Follow-up
1 week
Authors
Discussion
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Implication
Hypothesis-generating for post-MI HF risk stratification by diastolic Doppler; leaves open prospective validation before clinical adoption.
Key Points
- This research aims to evaluate how diastolic function of the left ventricle can predict the risk of congestive heart failure after a first heart attack.
- Conducted pulsed Doppler echocardiography on 65 patients within 1 hour of myocardial infarction onset.
- Assessed transmitral and pulmonary venous flow velocities related to heart failure development.
- Age and mitral E deceleration time <= 130 ms independently predict heart failure risk post-myocardial infarction.
- Univariate analysis identified multiple significant factors, but only two remained significant in multivariate analysis.
Study Design
Type
Cohort (n=65)
Structured PICO
Does early assessment of left ventricular diastolic function by Doppler echocardiography predict the development of congestive heart failure in patients with a first acute myocardial infarction?
P
Population
65 consecutive patients with a first acute myocardial infarction assessed within 1 hour of arrival in the coronary care unit, followed for the development of congestive heart failure during the first week.
E
Exposure
Pulsed Doppler echocardiography assessment of left ventricular diastolic function (transmitral and pulmonary venous flow velocities)
O
Outcome
Development of congestive heart failure during the first week following a first acute myocardial infarctionhard clinical
Early assessment of left ventricular diastolic function, specifically mitral E deceleration time ≤ 130 ms, helps identify patients at risk of developing congestive heart failure after a first acute myocardial infarction.
Cite This Study
Poulsen et al. (1997) conducted a cohort in First acute myocardial infarction (n=65). Mitral E deceleration time ≤ 130 ms was evaluated on Development of congestive heart failure during the first week. Mitral E deceleration time ≤ 130 ms and age were significant independent predictors of congestive heart failure development during the first week following a first acute myocardial infarction.