Why the study?
Does the mitral valve orifice method using Doppler echocardiography accurately measure cardiac output compared to invasive methods in an open-chest dog model?
Population
15 open-chest dogs
Comparison
Mitral valve orifice method for Doppler cardiac… vs Volume flow measured by roller pump and…
Design
Preclinical
Authors
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Does not support clinical use; leaves open human validation of mitral orifice Doppler for cardiac output.
Does the mitral valve orifice method using Doppler echocardiography accurately measure cardiac output compared to invasive methods in an open-chest dog model?
The mitral valve orifice method using Doppler echocardiography provides an accurate noninvasive measurement of cardiac output, correlating highly with invasive pump measurements in a canine model.
Fisher et al. (1983) studied this question.