Zinc deficiency limiting head growth to discharge in extremely low gestational age infants with insufficient linear growth: a cohort study

Luc P. Brion; Roy Heyne; L. Steven Brown; Cheryl S. Lair; Audrey Edwards; Patti J. Burchfield; Maria Caraig

doi:10.1038/s41372-020-00778-w

Zinc deficiency limiting head growth to discharge in extremely low gestational age infants with insufficient linear growth: a cohort study

Luc P. Brion, Roy Heyne, L. Steven Brown, Cheryl S. Lair, Audrey Edwards, Patti J. Burchfield, Maria Caraig

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

Objective: To assess the relationship of size for age with zinc deficiency in extremely low gestational age (GA) infants (23–28 weeks, ELGANs) who had insufficient linear growth despite optimizing other nutrients and to analyze changes in fronto-occipital circumference (FOC), weight and length with zinc supplementation. Study design: Retrospective cohort study. Results: Among 302 ELGANs, a serum zinc concentration was obtained in 52 with insufficient linear growth (17%). Zinc deficiency (serum concentration <0.74 mcg/ml) was diagnosed in 8 of 24 (33%) small for GA (SGA) compared to 35 of 278 (13%) non-SGA infants (P = 0.01). Zinc supplementation for >2 weeks improved FOC growth to discharge or 50 weeks postmenstrual age in infants with Zn deficiency. However, neither linear growth nor weight gain improved with Zn supplementation. Conclusion: Zinc deficiency was diagnosed in 14% ELGANs in this cohort. Zinc supplementation for >2 weeks improved FOC growth but not linear growth or weight gain.

Original language	English (US)
Pages (from-to)	1694-1704
Number of pages	11
Journal	Journal of Perinatology
Volume	40
Issue number	11
DOIs	https://doi.org/10.1038/s41372-020-00778-w
State	Published - Nov 1 2020

ASJC Scopus subject areas

Pediatrics, Perinatology, and Child Health
Obstetrics and Gynecology

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title = "Zinc deficiency limiting head growth to discharge in extremely low gestational age infants with insufficient linear growth: a cohort study",

abstract = "Objective: To assess the relationship of size for age with zinc deficiency in extremely low gestational age (GA) infants (23–28 weeks, ELGANs) who had insufficient linear growth despite optimizing other nutrients and to analyze changes in fronto-occipital circumference (FOC), weight and length with zinc supplementation. Study design: Retrospective cohort study. Results: Among 302 ELGANs, a serum zinc concentration was obtained in 52 with insufficient linear growth (17%). Zinc deficiency (serum concentration <0.74 mcg/ml) was diagnosed in 8 of 24 (33%) small for GA (SGA) compared to 35 of 278 (13%) non-SGA infants (P = 0.01). Zinc supplementation for >2 weeks improved FOC growth to discharge or 50 weeks postmenstrual age in infants with Zn deficiency. However, neither linear growth nor weight gain improved with Zn supplementation. Conclusion: Zinc deficiency was diagnosed in 14% ELGANs in this cohort. Zinc supplementation for >2 weeks improved FOC growth but not linear growth or weight gain.",

author = "Brion, {Luc P.} and Roy Heyne and {Steven Brown}, L. and Lair, {Cheryl S.} and Audrey Edwards and Burchfield, {Patti J.} and Maria Caraig",

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AU - Brion, Luc P.

AU - Heyne, Roy

AU - Steven Brown, L.

AU - Lair, Cheryl S.

AU - Edwards, Audrey

AU - Burchfield, Patti J.

AU - Caraig, Maria

PY - 2020/11/1

Y1 - 2020/11/1

N2 - Objective: To assess the relationship of size for age with zinc deficiency in extremely low gestational age (GA) infants (23–28 weeks, ELGANs) who had insufficient linear growth despite optimizing other nutrients and to analyze changes in fronto-occipital circumference (FOC), weight and length with zinc supplementation. Study design: Retrospective cohort study. Results: Among 302 ELGANs, a serum zinc concentration was obtained in 52 with insufficient linear growth (17%). Zinc deficiency (serum concentration <0.74 mcg/ml) was diagnosed in 8 of 24 (33%) small for GA (SGA) compared to 35 of 278 (13%) non-SGA infants (P = 0.01). Zinc supplementation for >2 weeks improved FOC growth to discharge or 50 weeks postmenstrual age in infants with Zn deficiency. However, neither linear growth nor weight gain improved with Zn supplementation. Conclusion: Zinc deficiency was diagnosed in 14% ELGANs in this cohort. Zinc supplementation for >2 weeks improved FOC growth but not linear growth or weight gain.

AB - Objective: To assess the relationship of size for age with zinc deficiency in extremely low gestational age (GA) infants (23–28 weeks, ELGANs) who had insufficient linear growth despite optimizing other nutrients and to analyze changes in fronto-occipital circumference (FOC), weight and length with zinc supplementation. Study design: Retrospective cohort study. Results: Among 302 ELGANs, a serum zinc concentration was obtained in 52 with insufficient linear growth (17%). Zinc deficiency (serum concentration <0.74 mcg/ml) was diagnosed in 8 of 24 (33%) small for GA (SGA) compared to 35 of 278 (13%) non-SGA infants (P = 0.01). Zinc supplementation for >2 weeks improved FOC growth to discharge or 50 weeks postmenstrual age in infants with Zn deficiency. However, neither linear growth nor weight gain improved with Zn supplementation. Conclusion: Zinc deficiency was diagnosed in 14% ELGANs in this cohort. Zinc supplementation for >2 weeks improved FOC growth but not linear growth or weight gain.

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Zinc deficiency limiting head growth to discharge in extremely low gestational age infants with insufficient linear growth: a cohort study

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