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Two-dimensional speckle tracking echocardiography in calves: feasibility and repeatability study.

L Lecoq1, N Moula2, H Amory1

  • 1Clinical Department of Companion Animals and Equids, Faculty of Veterinary Medicine, University of Liege, Quartier Vallée 2 B41, Avenue de Cureghem 5A-5D, 4000 Liège, Belgium.

Journal of Veterinary Cardiology : the Official Journal of the European Society of Veterinary Cardiology
|February 4, 2018
PubMed
Summary

Two-dimensional speckle tracking echocardiography is feasible and repeatable in calves for assessing left ventricular function. Systolic radial function measurements showed better reliability than circumferential or diastolic measures.

Keywords:
2DSTBovineCardiac functionVentricular function

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Area of Science:

  • Veterinary Cardiology
  • Echocardiography
  • Cardiac Physiology

Background:

  • Left ventricular function assessment is crucial in bovine health.
  • Two-dimensional speckle tracking echocardiography (2DSTE) offers advanced analysis of cardiac mechanics.

Purpose of the Study:

  • To determine the feasibility and repeatability of 2DSTE for evaluating left ventricular function in healthy calves.
  • To compare the reliability of different 2DSTE parameters (radial, circumferential strain, and strain rate).

Main Methods:

  • An observational study involving 12 Holstein calves (62 ± 11.6 days old, 75.25 ± 5.4 Kg).
  • Right parasternal short-axis views were recorded and analyzed using 2DSTE for global and regional strains and strain rates.
  • Intra- and interobserver repeatability were assessed by two experienced observers.

Main Results:

  • 2DSTE was feasible in all calves, with better automated tracking during systole than diastole.
  • Good repeatability was observed for the technique in calves.
  • Systolic radial strain and strain rate showed less variability than systolic circumferential or diastolic measurements.

Conclusions:

  • 2DSTE is a feasible technique for evaluating left ventricular function in calves.
  • Systolic radial left ventricular function assessment using 2DSTE is more reliable than circumferential or diastolic function evaluation in this species.