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Reference Values and Repeatability of Pulsed Wave Doppler Echocardiography Parameters in Normal Donkeys. | LitMetric

Reference Values and Repeatability of Pulsed Wave Doppler Echocardiography Parameters in Normal Donkeys.

Animals (Basel)

Department of Internal Medicine, Infectious and Fish Diseases, Faculty of Veterinary Medicine, Mansoura University, Manosura 35516, Egypt.

Published: September 2022

AI Article Synopsis

  • * Key findings for the mitral valve included average values for E-wave and A-wave velocities, pressure gradients, and durations, while the aortic valve showed similar measurements with slightly higher velocity and pressure gradient.
  • * The resulting reference values for these echocardiographic parameters can assist veterinarians in diagnosing and treating cardiovascular issues in donkeys.

Article Abstract

In the present study, thirty clinically healthy donkeys were used to establish the reference values and repeatability for Pulsed Wave Doppler echocardiographic variables of the mitral valve, aortic valve and myocardial performance. 2-dimensional Color flow mapping and spectral Doppler modes were performed. For the mitral valve, the mean velocity, pressure gradient and duration of E-wave were 57.7 ± 12.5 cm/s, 1.4 ± 0.7 mmHg and 0.4 ± 0.13 s, respectively. The velocity, pressure gradient and duration of the A-wave were 32.3 ± 9.1 cm/s, 0.3 ± 0.04 mmHg and 0.3 ± 0.1 s, respectively. The mitral valve area, pressure half time, pulsatility index (PI), resistance index (RI) and velocity time integral (VTI) were 1.8 ± 0.5 cm, 66 ± 17 ms, 2.8 ± 1.4, 0.9 ± 0.03 and 19.1 ± 5.7 cm, respectively. For the aortic valve, the mean velocity was 64.9 ± 10.4 cm/s, pressure gradient was 1.8 ± 0.4 mmHg, pulsatility index was 1.4 ± 0.3, resistance index was 0.9 ± 0.02, VTI was 25.02 ± 6.2 cm, systolic/diastolic was 19 ± 4.7 and heart rate was 95.7 ± 28.9 per minute. For Myocardial Performance Index (LV)-Tei Index, the mean ejection, isovolumic relaxation, isovolumic contraction time and myocardial performance index were 0.24 ± 0.01, 0.14 ± 0.01, 0.14 ± 0.02 and 1.2 ± 0.1 s, respectively. The results of the present study provide the reference values of PW echocardiographic parameter measurements in normal adult donkeys. Such reference values are helpful, especially when confronted with clinical cases with cardiovascular disorders.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9454746PMC
http://dx.doi.org/10.3390/ani12172296DOI Listing

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