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Saoussen Antit1, Ridha Fekih1, Marwa Abdelhedi1

  • 1Cardiology Department, Security Forces Hospital-La Masa, Faculty of Medicine of Tunis, University of Tunis El Manar, Tunisia.

La Tunisie Medicale
|March 11, 2024
PubMed
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Left atrial strain (LAS) effectively predicts elevated left ventricular filling pressures (LVFP) in patients with exertional symptoms. This simple ultrasound measure, particularly Peak Atrial Longitudinal Strain (PALS), offers valuable insights for diagnosing heart conditions.

Area of Science:

  • Cardiology
  • Echocardiography
  • Cardiac Physiology

Context:

  • Left ventricular filling pressures (LVFP) assessment can be challenging using standard ultrasound parameters.
  • Exertional symptoms and preserved ejection fraction often complicate LVFP evaluation.
  • Accurate LVFP estimation is crucial for diagnosing and managing heart conditions.

Purpose:

  • To evaluate the utility of left atrial strain (LAS) in estimating LVFP.
  • To determine if LAS components can predict elevated LVFP in patients with exertional symptoms.
  • To assess the correlation of LAS with established markers of LVFP and cardiac strain.

Summary:

  • This monocentric study analyzed 73 patients with exertional symptoms and preserved left ventricular ejection fraction.

Related Experiment Videos

  • Left atrial strain (LAS) parameters, including Peak Atrial Longitudinal Strain (PALS), were measured using echocardiography.
  • LAS demonstrated lower values in patients with high LVFP and correlated negatively with E/e' ratio and NT-Pro BNP, with PALS independently predicting LVFP elevation.

    • Impact:

    • Left atrial strain (LAS) provides a simple yet effective ultrasound-based method for predicting high LVFP.
    • Findings suggest LAS can aid clinicians in diagnosing conditions associated with elevated LVFP.
    • This research contributes to refining echocardiographic assessments for diastolic dysfunction and heart failure.