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Transthoracic Speckle Tracking Echocardiography for the Quantitative Assessment of Left Ventricular Myocardial Deformation
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Investigation on left ventricular multi-directional deformation in patients of hypertension with different LVEF

Huimei Huang1, Qinyun Ruan2, Meiyan Lin1

  • 1Department of Ultrasound, the First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005, China.

Cardiovascular Ultrasound
|June 14, 2017
PubMed

Insights

In hypertensive patients, left ventricular circumferential strain (SC) significantly impacts left ventricular ejection fraction (LVEF). This study highlights SC as the primary contributor to pump function in hypertension.

Area of Science:

  • Cardiology
  • Echocardiography
  • Hypertension Research

Background:

  • Hypertension commonly affects left ventricular (LV) function.
  • Assessing myocardial deformation is crucial for understanding hypertensive heart disease.
  • Left ventricular ejection fraction (LVEF) is a key indicator of cardiac function.

Purpose of the Study:

  • To investigate multi-directional systolic deformation in hypertensive patients with varying LVEF.
  • To determine the contribution of different strain parameters to LVEF in hypertension.

Main Methods:

  • 123 hypertensive patients were categorized into three groups based on LVEF.
  • Two-dimensional strain echocardiography (2DSE) was used to measure LV longitudinal strain (SL), radial strain (SR), and circumferential strain (SC).

Main Results:

  • SL decreased progressively across groups (A to C), while SR and SC were reduced in groups B and C.
  • All strain parameters correlated with LVEF, with SC showing the strongest correlation (r=-0.82).
  • Diastolic E/e ratio increased from group A to C.

Conclusions:

  • Multi-directional LV deformation is closely linked to LVEF in hypertensive individuals.
  • Circumferential strain (SC) plays a more prominent role in left ventricular pump function than SL or SR in hypertension.
Abstract

Keywords:
EchocardiographyHeart failureHypertensionLeft ventricular ejection fractionMyocardial contractionStrain

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