Population
111 average-gestational-age premature infants weighing between 600-2500 g
Design
Cohort
Authors
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Supplies weight-based aortic root norms in premature infants; extends limited echo references but leaves validation and generalizability open.
This study establishes normal echocardiographic reference values for aortic root dimensions in premature infants based on body weight.
Reller et al. (1983) studied this question.
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