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Serum ferritin values in neonates <29 weeks’ gestation are highly variable and do not correlate with reticulocyte hemoglobin content

by Mancini, Toni , Catts, Christine , Schaefer, Susan T , Weaver Lewis, Kimberlee , Gabrio, Jenna , Mickelsen, Hena G , Christensen, Robert D , Broadbent, Megan , Carlton, David P , Bremer, Andrew A , Lacy, Conra Backstrom , Dhawan, Megan A , Keszler, Martin , Beauman, Sandra S , Elmont, Jennifer O , Lowe, Jean R , Grisby, Cathy A , St. Pierre, Lucille , Chowdhury, Dhuly , Sheffield, Mark J , Schmelzel, Mendi L , Baserga, Mariana C , Christensen, Susan , DeMauro, Sara B , Tan, Sylvia , Higgins, Rosemary D , Johnson, Karen J , Elenkiwich, Chelsey , Kuan, Elizabeth , Eichenwald, Eric C , Watterberg, Kristi L , Walsh, Michele C , Yoder, Bradley A , Walker, Jacky R , Baack, Michelle L , Bann, Carla M , Van Muyden, Sarah , Chaudhary, Aasma S , Marchant, Trisha , Ohls, Robin K , Davis, Brandy , Loertscher, Manndi C , Laptook, Abbot R , Colaizy, Tarah T , Arnautovic, Tamara I , Goeke, Claire A , Vieira, Elisa , Parry, Melody , Schmidt, Barbara , Hensman, Angelita M , Thompson, Julia , Bell, Edward F , Coleman, Kathleen , Jordan, Jamie , Schibler, Kurt R , Merhar, Stephanie , Gantz, Marie G , Faruqui, Sarah E , Kirker, Kristin , Hanson, Mary , Bahr, Timothy M , Burnett, Jill , W

in Childrens health / Correlation / Erythropoiesis / Ferritin / Gestational age / Hemoglobin / Iron / Iron deficiency / Neonatal care / Neonates / Newborn babies / Pediatrics / Premature babies / Regression analysis / Regression models / Reticulocytes / Secondary analysis

2023

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Serum ferritin values in neonates <29 weeks’ gestation are highly variable and do not correlate with reticulocyte hemoglobin content

2023

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2023

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Journal Article

Serum ferritin values in neonates <29 weeks’ gestation are highly variable and do not correlate with reticulocyte hemoglobin content

Mancini, Toni,

Catts, Christine,

Schaefer, Susan T,

Weaver Lewis, Kimberlee,

Gabrio, Jenna,

Mickelsen, Hena G,

Christensen, Robert D,

Broadbent, Megan,

Carlton, David P,

Bremer, Andrew A,

Lacy, Conra Backstrom,

Dhawan, Megan A,

Keszler, Martin,

Beauman, Sandra S,

Elmont, Jennifer O,

Lowe, Jean R,

Grisby, Cathy A,

St. Pierre, Lucille,

Chowdhury, Dhuly,

Sheffield, Mark J,

Schmelzel, Mendi L,

Baserga, Mariana C,

Christensen, Susan,

DeMauro, Sara B,

Tan, Sylvia,

Higgins, Rosemary D,

Johnson, Karen J,

Elenkiwich, Chelsey,

Kuan, Elizabeth,

Eichenwald, Eric C,

Watterberg, Kristi L,

Walsh, Michele C,

Yoder, Bradley A,

Walker, Jacky R,

Baack, Michelle L,

Bann, Carla M,

Van Muyden, Sarah,

Chaudhary, Aasma S,

Marchant, Trisha,

Ohls, Robin K,

Davis, Brandy,

Loertscher, Manndi C,

Laptook, Abbot R,

Colaizy, Tarah T,

Arnautovic, Tamara I,

Goeke, Claire A,

Vieira, Elisa,

Parry, Melody,

Schmidt, Barbara,

Hensman, Angelita M,

Thompson, Julia,

Bell, Edward F,

Coleman, Kathleen,

Jordan, Jamie,

Schibler, Kurt R,

Merhar, Stephanie,

Gantz, Marie G,

Faruqui, Sarah E,

Kirker, Kristin,

Hanson, Mary,

Bahr, Timothy M,

Burnett, Jill,

2023

Overview

ObjectivesTo compare serum ferritin and RET-He values among extremely low gestational age neonates ELGANs with other markers of iron-deficient erythropoiesis.Study DesignThis is a secondary analysis of the NICHD Darbepoetin Trial. Study data from placebo recipients who had a serum ferritin, a RET-He, and a mean corpuscular volume (MCV) measurement within a 24-hour period were analyzed for correlation.ResultsMixed linear regression models showed no association between ferritin and RET-He at both early (β = 0.0016, p = 0.40) and late (β = −0.0001, p = 0.96) time points. Positive associations were observed between RET-He and MCV at baseline, early, and late time points (p < 0.01, =0.01, <0.001, respectively), while ferritin was not associated with MCV at any time point.ConclusionsOur study shows that RET-He is better correlated with MCV as a marker of iron-limited erythropoiesis than ferritin. The results suggest that ferritin is limited as a marker of iron sufficiency in premature infants.Study IdentificationFDA IND Number 100138; ClinicalTrials.gov number NCT03169881; NRN ID number NICHD-NRN-0058 (Darbe).

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Nature Publishing Group

Subject

/ Iron