Why the study?
Does noninvasive pulsed Doppler echocardiography accurately measure cardiac output compared to invasive thermodilution and Fick methods in newborn piglets?
Does noninvasive pulsed Doppler echocardiography accurately measure cardiac output compared to invasive thermodilution and Fick methods in newborn piglets?
Noninvasive pulsed Doppler echocardiography correlates well with invasive thermodilution and Fick methods for measuring cardiac output in a newborn piglet model, both in room air and during hypoxia.
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Supports Doppler CO measurement in newborn piglet models; leaves open validation and clinical adoption in human neonates.
Welch et al. (2009) studied this question.
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