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Does Left Ventricular Geometric Patterns Impact Right Atrial Phasic Function? Findings from the Hypertensive

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Hypertension affects right atrial (RA) function, especially with concentric or dilated left ventricular hypertrophy (LVH). These patterns lead to RA enlargement and impaired function, impacting overall cardiovascular health.

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hypertensionleft ventricular geometryright atriumthree-dimensional echocardiographytwo-dimensional speckle tracking

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Area of Science:

  • Cardiology
  • Echocardiography
  • Cardiac Physiology

Background:

  • Hypertension is a major cardiovascular risk factor.
  • Left ventricular (LV) geometric patterns are altered in hypertensive patients.
  • Right atrial (RA) function can be affected by LV remodeling.

Purpose of the Study:

  • To evaluate RA phasic function in hypertensive patients.
  • To assess the impact of different LV geometric patterns on RA function.
  • To compare two-dimensional (2DE) and three-dimensional (3DE) echocardiography findings.

Main Methods:

  • Cross-sectional study of 177 hypertensive patients.
  • Classification of LV geometry using updated criteria (LV mass index, end-diastolic diameter, relative wall thickness).
  • Assessment of RA phasic function using 2DE and 3DE echocardiography, including emptying fractions and strain analysis.

Main Results:

  • Concentric and dilated LVH were associated with increased RA volumes.
  • RA reservoir and conduit functions were reduced in dilated LVH.
  • RA pump function was increased in concentric and dilated LVH.
  • Concentric and dilated LVH patterns significantly impacted RA morphology and function.

Conclusions:

  • LV geometric patterns significantly influence RA phasic function in hypertension.
  • Concentric and dilated LVH have the most detrimental effects on RA remodeling and function.
  • Echocardiography is effective in characterizing these changes.