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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

Journal Article

Journal article

Prolonged half-life of caffeine in healthy term newborn infants  [1981]

Parsons, William D.; Neims, Allen H.;

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Abstract: Radioimmunoassay of plasma caffeine in 15 healthy newborn infants indicated that the half-life of caffeine in these full-term infants, as in premature infants, is much longer than in older children or adults. Half-life ranged from 31-132 hours, with a mean of 82 hours. These slow clearance times for caffeine are indicative of a deficit in oxidative metabolism which is not corrected until the infant matures. Since caffeine is acquired transplacentally from the mother, its pharmacologic actions could persist in the infant for several days after birth even without additional caffeine intakes through breast milk. Thus, the long-half life of caffeine in the newborn infant may be clinically significant.

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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
2013
Volume:
98
Issue:
4
Start Page:
640
End Page:
641
All titles:
" Prolonged half-life of caffeine in healthy term newborn infants "
Other:
" 9 ref. "

From the journal

Journal of pediatrics

ISSN : 0022-3476