Iron status in small for gestational age and appropriate for gestational age infants at birth

This study compared the iron statuses of small for gestational age (SGA) and appropriate for gestational age (AGA) infants at birth. The clinical data of 904 newborn infants admitted to the neonatal intensive care unit were reviewed. Blood samples were drawn from the infants within 24 hours after bi...

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Bibliographic Details
Published inClinical and experimental pediatrics Vol. 62; no. 3; pp. 102 - 107
Main Authors Kim, Hyeon A, Park, Sook-Hyun, Lee, Eun Joo
Format Journal Article
LanguageEnglish
Published Korea (South) Clinical and Experimental Pediatics / Korean Pediatric Society 01.03.2019
Korean Pediatric Society
대한소아청소년과학회
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ISSN1738-1061
2092-7258
2713-4148
DOI10.3345/kjp.2018.06653

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Summary:This study compared the iron statuses of small for gestational age (SGA) and appropriate for gestational age (AGA) infants at birth. The clinical data of 904 newborn infants admitted to the neonatal intensive care unit were reviewed. Blood samples were drawn from the infants within 24 hours after birth. Serum ferritin level was used as a marker of total iron status. In this study, 115 SGA (GA, 36.5±2.9 weeks; birth weight [BW], 1,975±594.5 g) and 717 AGA (GA, 35.1±3.5 weeks; BW, 2,420.3±768.7 g) infants were included. The SGA infants had higher hematocrit levels (50.6%±5.8% vs. 47.7%±5.7%, P<0.05) than the AGA infants. No difference in serum ferritin level (ng/mL) was found between the groups (mean [95% confidence interval]: SGA vs. AGA infants, 139.0 [70.0-237.0] vs. 141.0 [82.5-228.5]). After adjusting for gestational age, the SGA infants had lower ferritin levels (147.1 ng/mL [116.3-178.0 ng/mL] vs. 189.4 ng/mL [178.0-200.8 ng/ mL], P<0.05). Total body iron stores were also lower in the SGA infants than in the AGA infants (185.6 [153.4-211.7] vs 202.2 [168.7-241.9], P<0.05). The SGA infants had lower ferritin and total body iron stores than the AGA infants. The SGA infants affected by maternal hypertension who were born at late preterm had an additional risk of inadequate iron store. Iron deficiency should be monitored in these infants during follow-up.
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ISSN:1738-1061
2092-7258
2713-4148
DOI:10.3345/kjp.2018.06653