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October 10, 2016BMC Veterinary ResearchOpen Access

Relationships between body dimensions, body weight, age, gender, breed and echocardiographic dimensions in young endurance horses

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Key result

In young endurance horses aged 4 to 6 years, left atrial and ventricular echocardiographic dimensions increased primarily with age and body dimensions, with early endurance training showing only a weak influence.

Authors

DTDagmar S. TrachselUniversity of Veterinary Medicine ViennaAGAude GiraudetLMLuigino Dal MasoMedia Working Group

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Implication

Echocardiographic norms in young endurance horses should prioritize age and body size over early training; leaves open long-term effects of sustained endurance exercise.

Study Design

Type

Cross-Sectional (n=340)

PICO

P
Population
340 young endurance horses aged 4 to 6 years with at least one purebred Arabian parent underwent echocardiography to assess the influence of body dimensions, age, and early training on heart dimensions.
E
Exposure / Comparator
Age, body dimensions, and endurance training
O
Primary Outcome
Left atrial (LA) and left ventricular (LV) echocardiographic dimensions

Limitations

  • Field conditions limited time per horse and precluded Doppler ultrasound examinations to screen for regurgitations.
  • Use of only longitudinal views may have underestimated left ventricular measures.
  • Heart rates were slightly above resting values during examinations.
  • Lack of an untrained control group to differentiate the effects of growth from the effects of training.
  • Performance parameters used (Km-career, d-career) were rough estimates of training intensity.

Cite This Study

Trachsel et al. (2016) conducted a cross-sectional in Healthy young endurance horses (Athlete's heart adaptation) (n=340). Age, body dimensions, and endurance training was evaluated on Left atrial (LA) and left ventricular (LV) echocardiographic dimensions. In young endurance horses aged 4 to 6 years, left atrial and ventricular echocardiographic dimensions increased primarily with age and body dimensions, with early endurance training showing only a weak influence.

synapsesocial.com/papers/6a78578fc5ab23c76ced45a7https://doi.org/10.1186/s12917-016-0846-x

Topics

Echocardiography
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Also Consider

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  1. 1Adaptation of the maternal heart in pregnancy1992 · 610 citations
  2. 2Use of color Doppler echocardiography to assess the development of valvular regurgitation in Standardbred trotters2005 · 42 citations
  3. 3Effect of age and training on murmurs of atrioventricular valvular regurgitation in young Thoroughbreds2000 · 70 citations