Normal right and left ventricular mass development during early infancy

James J. Joyce, Patricia I. Dickson, Ning Qi, Julie E. Noble, J. Usha Raj, Barry G. Baylen

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

The average newborn's right ventricular mass, indexed to body surface area, is approximately 20% above the adult level, consistent with in utero physiologic hypertrophy. In contrast, the left ventricular mass index is underdeveloped by about 30% at birth, resulting in a ratio of right to left ventricular mass that is nearly 75% higher than at maturity. Left ventricular mass index increases rapidly during the first 2 weeks of life and then more slowly thereafter, whereas the right ventricular mass index decreases steadily during the first 4 months of life.

Original languageEnglish
Pages (from-to)797-801
Number of pages5
JournalAmerican Journal of Cardiology
Volume93
Issue number6
DOIs
StatePublished - Mar 15 2004

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