Document Detail

Renal function in very low birth weight infants: normal maturity reached during early childhood.
MedLine Citation:
PMID:  1432434     Owner:  NLM     Status:  MEDLINE    
Development of glomerular and tubular renal function is delayed in preterm infants. To study the pattern of maturation during infancy and childhood, we re-evaluated renal function in 22 very low birth weight infants--in 14 of the infants at 18 months postconceptional age (9 months corrected age) and in the remaining 8 infants at 8 years of age. The glomerular filtration rate remained lower at 9 months corrected age than in term infants of the same postconceptional age: 82 +/- 23 versus 125 +/- 18 ml/min per 1.73 m2 (p < 0.001). At 8 years of age the glomerular filtration rate did not differ from that of healthy control subjects. Effective renal plasma flow, filtration fraction, albumin excretion, maximal concentrating ability, and kidney size determined by ultrasonography were all normal at 8 years of age. We conclude that renal function, which is markedly reduced during the neonatal period in very low birth weight infants, reaches normal maturity by 8 years of age but not by 9 months corrected age.
M Vanpée; M Blennow; T Linné; P Herin; A Aperia
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The Journal of pediatrics     Volume:  121     ISSN:  0022-3476     ISO Abbreviation:  J. Pediatr.     Publication Date:  1992 Nov 
Date Detail:
Created Date:  1992-12-18     Completed Date:  1992-12-18     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0375410     Medline TA:  J Pediatr     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  784-8     Citation Subset:  AIM; IM    
Department of Pediatrics, Karolinska Institute, St. Göran's Children's and Karolinska Hospital, Stockholm, Sweden.
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MeSH Terms
Blood Pressure
Child Development
Child, Preschool
Creatinine / blood
Glomerular Filtration Rate
Infant, Low Birth Weight / physiology*
Infant, Newborn
Kidney / physiology*,  ultrasonography
Kidney Concentrating Ability
Renal Circulation
Reg. No./Substance:

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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