Why the study?
Some echocardiographic parameters remain not well established in veterinary medicine, prompting a comparison of LVOT hemodynamic profiles between apical 5-chamber and subxiphoid windows in healthy dogs.
Does the subxiphoid echocardiographic window provide different hemodynamic measurements compared to the apical 5-chamber window in healthy dogs?
Population
30 clinically healthy dogs of both sexes of small to medium-sized breeds
Comparison
Apical 5-chamber window vs subxiphoid window
Design
Observational, prospective study
Authors
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Caution advised selecting windows for canine LVOT assessment; leaves open optimal technique in veterinary echocardiography.
Does the subxiphoid echocardiographic window provide different hemodynamic measurements compared to the apical 5-chamber window in healthy dogs?
In healthy dogs, measuring LVOT flow via the subxiphoid window yields significantly higher hemodynamic values than the apical 5-chamber window, likely due to more consistent alignment of the ultrasound beam with aortic blood flow.
Marques et al. (2024) studied this question.
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