Indirect Blood Pressure Measurement in Horses: Is There an Influence of Age, Sex, Breed, Bodyweight, and Cardiac Diseases on Pressure Values?
2019
Alberti, Elena | Stucchi, Luca | Stancari, Giovanni | Ferro, Elisabetta | Ferrucci, Francesco | Zucca, Enrica
Only few data regarding normal resting blood pressure in horses and the influence of cardiac diseases on arterial blood pressure are available in literature. The purpose of the present study was to investigate the possible influence of age, sex, breed, bodyweight, and cardiac diseases and their severity on blood pressure values measured in horses with cardiac disease and in a control group. For this case-control study, indirect blood pressure measurement was performed in 60 horses with different types of cardiac disease and in 23 healthy horses (control group), by means of an ultrasonic blood-flow technique. According to the echocardiographic findings, horses with cardiac abnormalities have been divided into two groups (with and without cardiac dimensional modifications). Multivariable linear regression analysis evaluated the influence of age, breed, sex, and cardiac diseases and their severity (regressors) on blood pressure. The results showed a significant influence of age on diastolic pressure in healthy horses. Furthermore, a significant influence of the presence of cardiac dilation in horses with cardiac disease on systolic and diastolic pressures was found. Single-regressor linear analysis showed that horses with cardiac dilation are significantly older than both horses without cardiac dimensional changes and those of control group. Further studies are necessary to better investigate the possible influence of the type of cardiac disease on blood pressure.
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