Population
210 healthy preterm and term neonates with birth weights between 780 and 5,350 g and gestational ages…
Design
Cross-sectional
Authors
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Supports weight-adjusted neonatal LV reference ranges; extends cross-sectional normative data pending prospective validation.
This study establishes normative M-mode echocardiographic data for intracardiac dimensions and systolic time intervals in healthy preterm and term neonates, demonstrating that ventricular dimensions correlate with birth weight while shortening fraction remains constant.
Walther et al. (1986) studied this question.
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