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Evaluation of Left Ventricular Structure and Function using 3D Echocardiography
06:34

Evaluation of Left Ventricular Structure and Function using 3D Echocardiography

Published on: October 28, 2020

[Echocardiography of left ventricular mass in patients with essential hypertension]

Kent Lodberg Christensen1, Morten Fenger-Grøn, Niels Henrik Buus

  • 1Medicinsk-kardiologisk Afdeling A, Arhus Sygehus, Arhus Universitetshospital, DK-8000 Arhus C, Denmark. klc@dadlnet.dk

Ugeskrift for Laeger
|November 6, 2009
PubMed

Insights

Repeated echocardiography measurements reduce misclassification of left ventricular mass (LVM) in hypertension patients. Six measurements significantly lower the risk of misdiagnosing left ventricular hypertrophy (LVH), though borderline cases still pose challenges.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Hypertension Research

Background:

  • Patients with hypertension and left ventricular hypertrophy (LVH) face elevated cardiovascular risks.
  • Current guidelines advocate echocardiography for assessing left ventricular mass (LVM).

Purpose of the Study:

  • To evaluate the effectiveness of repeated echocardiographic measurements in determining LVM.
  • To assess the impact of antihypertensive treatment on LVM in hypertensive patients.

Main Methods:

  • Investigated 30 untreated essential hypertension patients and 14 healthy controls.
  • Performed six M-mode echocardiographic measurements of LVM before and after one year of treatment.
  • Calculated misclassification probability as a function of measurement number.

Main Results:

  • Single LVM measurements showed a high misclassification risk for LVH.
  • Six repeated measurements substantially reduced misclassification, e.g., from 20% to 6% for LVM near 120-140 g/m².
  • Misclassification risk remained high (20%) for LVM values close to the 130 g/m² threshold.

Conclusions:

  • Significant intraindividual variation in LVM exists despite clear group results.
  • Repeated LVM measurements are recommended for accurate clinical assessment in daily practice.
  • Echocardiography remains crucial for managing hypertensive patients at risk of LVH.
Abstract

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