Why the study?
Can echocardiography be used to estimate left ventricular output and wall thickness in fetuses and neonates?
Can echocardiography be used to estimate left ventricular output and wall thickness in fetuses and neonates?
Echocardiography can non-invasively estimate left ventricular output and wall thickness in fetuses and neonates, showing agreement with invasive measurements.
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May support echocardiography for perinatal LV assessment; leaves open prospective validation before clinical adoption.
The fetal heart was located by real-time “B” scanning and studied by means of conventional time-motion echocardiography. Estimates of left ventricular output were made in the 13 fetuses and 11 neonates with average values of 109 ml/kg/min in the fetuses and 157 ml/kg/min in the neonates. Diastolic thickness of left ventricular wall was generally 6 mm. These results are in agreement with measurements obtained by invasive means and suggest that ultrasound may play a role in the study of fetal and neonatal cardiac physiology and pathology.
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Fred Winsberg (1972) studied this question.
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