Evaluation of Left Atrial Function in Patients with Hypertensive Heart Disease and Preserved Ejection Fraction Using

Xiaoli He1, Xi Yang2, Peng Guo3

  • 1Second Clinical College, Chongqing Medical University.

Kardiologiia
|September 10, 2025
PubMed

Insights

Real-time, three-dimensional speckle tracking imaging (RT-3D-STI) effectively assesses left atrial (LA) dysfunction in patients with hypertensive heart disease and heart failure with preserved ejection fraction (HFpEF). LA strain parameters, including LA strain during the reservoir phase (LASr), provide a non-invasive quantitative evaluation for this patient group.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Biomedical Engineering

Background:

  • Hypertensive heart disease (HHD) and heart failure with preserved ejection fraction (HFpEF) significantly impact cardiac function, particularly left atrial (LA) function.
  • Accurate assessment of LA dysfunction is crucial for managing patients with HHD and HFpEF.
  • Traditional echocardiographic parameters may not fully capture the nuances of LA function in these conditions.

Purpose of the Study:

  • To investigate the utility of real-time, three-dimensional speckle tracking imaging (RT-3D-STI) for evaluating left atrial (LA) function in patients with HHD and HFpEF.
  • To compare LA function parameters between patients with HFpEF and healthy controls.
  • To explore the diagnostic value of LA strain parameters for identifying HFpEF and their correlation with NT-proBNP levels.

Main Methods:

  • A retrospective study involving 100 patients with HHD and HFpEF and 100 healthy controls.
  • Standard echocardiography was performed to measure various cardiac dimensions and functional parameters.
  • RT-3D-STI was utilized to analyze LA images and derive parameters such as LA emptying fraction (LAEF), LA strain during reservoir (LASr), contraction (LASct), and conduit (LAScd) phases.

Main Results:

  • Patients with HFpEF exhibited significantly higher blood pressure and NT-proBNP levels compared to controls.
  • While LVEF and other standard parameters showed no significant differences, HFpEF patients had increased LA diameter (LAD), interventricular septal thickness (IVST), and left ventricular posterior wall thickness (LVPWT).
  • HFpEF patients demonstrated impaired LA function, characterized by lower e', LAEF, LASr, LAScd, and LASct, and higher LAVmax and E/e' ratios. LASr was negatively correlated with NT-proBNP.

Conclusions:

  • RT-3D-STI provides valuable quantitative insights into LA dysfunction in patients with HFpEF.
  • LA strain parameters, particularly LASr, serve as sensitive, non-invasive markers for assessing LA function in this population.
  • These findings suggest RT-3D-STI can aid in the clinical management and risk stratification of patients with HFpEF.