PEDIATRICS Vol. 54 No. 6 December 1974, pp. 704-712
This Article
Right arrow Full Text (PDF)
Right arrow An erratum has been published
Right arrow P3Rs: Submit a response
Right arrow Alert me when this article is cited
Right arrow Alert me when P3Rs are posted
Right arrow Alert me if a correction is posted
Right arrow Citation Map
Services
Right arrow E-mail this article to a friend
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Add to My File Cabinet
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via CrossRef
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Wu., P. Y. K.
Right arrow Articles by Hodgman, J. E.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Wu., P. Y. K.
Right arrow Articles by Hodgman, J. E.

Insensible Water Loss in Preterm Infants: Changes With Postnatal Development and Non-ionizing Radiant Energy

Paul Y. K. Wu. M.B., B.S.1 and Joan E. Hodgman M.D.1

1 Department of Pediatrics, Los Angeles County-University of Southern California Medical Center, and the University of Southern California School of Medicine

Insensible water loss (IWL) was measured by an Electronic Potter Baby Scale in 170 healthy preterm infants, with birthweights ranging from 800 to 2,000 gm, who were appropriate for gestational age. IWL was found to increase with decreasing birth weight, i.e., from a mean of 0.7 ml/kg/hr in infants weighing 1,751 to 2,000 gm to 2.67 ml/kg/hr in infants weighing < 1,000 gm. This correlation between IWL and birthweight was high (r = 0.91; P = < 0.001). In infants < 1,500 gm, IWL decreased with postnatal age while in infants > 1,500 gm, IWL increased in the second week and was stable in the third and fourth weeks. Exposure to non-ionizing radiant energy from three radiant heat warmers was found to increase IWL by 50% to 190% depending on the maturity of the infant and the type of warmers. Phototherapy was associated with a twofold to threefold increase in IWL, which can be minimized by careful temperature control of the infant. The magnitude of increase in IWL in response to exposure to non-ionizing radiant energy, both from radiant heat warmers and phototherapy was greater in infants with birthweight > 1,500 gm than in infants < 1,500 gm.

Submitted on August 31, 1973
Accepted on April 3, 1974




This article has been cited by other articles:


Home page
 Arch. Dis. Child. Fetal Neonatal Ed.Home page
M J Stark, V L Clifton, and I M R Wright
Microvascular flow, clinical illness severity and cardiovascular function in the preterm infant
Arch. Dis. Child. Fetal Neonatal Ed., July 1, 2008; 93(4): F271 - F274.
[Abstract] [Full Text] [PDF]

Home page
 Arch. Dis. Child. Fetal Neonatal Ed.Home page
M J Maisels and J F Watchko
Treatment of jaundice in low birthweight infants
Arch. Dis. Child. Fetal Neonatal Ed., November 1, 2003; 88(6): F459 - 463.
[Abstract] [Full Text] [PDF]

Home page
 PediatricsHome page
M. P. Meyer, M. J. Payton, A. Salmon, C. Hutchinson, and A. de Klerk
A Clinical Comparison of Radiant Warmer and Incubator Care for Preterm Infants From Birth to 1800 Grams
Pediatrics, August 1, 2001; 108(2): 395 - 401.
[Abstract] [Full Text] [PDF]

Home page
 Arch. Dis. Child. Fetal Neonatal Ed.Home page
T F Fok, J-S Gu, C N Lim, P C Ng, H L Wong, and K W So
Oxygen consumption and resting energy expenditure during phototherapy in full term and preterm newborn infants
Arch. Dis. Child. Fetal Neonatal Ed., July 1, 2001; 85(1): F49 - 52.
[Abstract] [Full Text] [PDF]

Home page
 Clin. Chem.Home page
J. M. Lorenz
Assessing fluid and electrolyte status in the newborn
Clin. Chem., January 1, 1997; 43(1): 205 - 210.
[Abstract] [Full Text] [PDF]

Home page
 CLIN PEDIATRHome page
T. W. R. Hansen
Therapeutic Approaches to Neonatal Jaundice: An International Survey
Clinical Pediatrics, June 1, 1996; 35(6): 309 - 316.
[Abstract] [PDF]

Home page
 CLIN PEDIATRHome page
S. Baumgart, C. B. Langman, R. Sosulski, W. W. Fox, and R. A. Polin
Fluid, Electrolyte, and Glucose Maintenance in the Very Low Birth Weight Infant
Clinical Pediatrics, April 1, 1982; 21(4): 199 - 206.
[Abstract] [PDF]