| Extreme premature birth is not associated with impaired development of brain microstructure. | |
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MedLine Citation:
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PMID: 20598316 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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OBJECTIVE: To assess whether birth at <26 weeks gestation is an important predictor of brain microstructure maturation as determined by using diffusion tensor imaging. STUDY DESIGN: We performed serial magnetic resonance imaging and diffusion tensor imaging in 176 infants born at <33 weeks gestation. Diffusion parameters were calculated for white and gray matter regions. Linear regression for repeated measures was used to assess the effect of extremely premature birth on brain maturation. RESULTS: In white matter, fractional anisotropy increased by 0.008 per week (95% CI, 0.007-0.009; P < .0001) and mean diffusivity decreased by 0.021 mm(2)/sec per week, (95% CI, -0.24-0.018; P < .0001). Birth at <26 weeks was associated with lower white matter fractional anisotropy (-0.01; 95% CI, -0.018-0.003; P = .008), but this effect was eliminated when co-morbid conditions were added to the model. Moderate-severe brain injury was associated with decreased mean white matter fractional anisotropy (-0.012; 95% CI, -0.02-0.004; P = .002). CONCLUSION: Brain microstructure maturation as measured serially in premature infants is independent of extremely premature birth. Brain injury and co-morbid conditions may be the important determinants of microstructure maturation. |
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Authors:
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Sonia L Bonifacio; Hannah C Glass; Vann Chau; Jeffrey I Berman; Duan Xu; Rollin Brant; A James Barkovich; Kenneth J Poskitt; Steven P Miller; Donna M Ferriero |
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Publication Detail:
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Type: Journal Article; Multicenter Study |
Journal Detail:
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Title: The Journal of pediatrics Volume: 157 ISSN: 1097-6833 ISO Abbreviation: J. Pediatr. Publication Date: 2010 Nov |
Date Detail:
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Created Date: 2010-10-19 Completed Date: 2010-11-02 Revised Date: 2012-06-26 |
Medline Journal Info:
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Nlm Unique ID: 0375410 Medline TA: J Pediatr Country: United States |
Other Details:
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Languages: eng Pagination: 726-32.e1 Citation Subset: AIM; IM |
Copyright Information:
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Copyright © 2010 Mosby, Inc. All rights reserved. |
Affiliation:
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Department of Pediatrics, University of California, San Francisco, CA 94143-0748, USA. bonifacios@peds.ucsf.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Brain
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anatomy & histology*,
growth & development* Diffusion Magnetic Resonance Imaging Female Gestational Age Humans Infant, Newborn Infant, Premature* Male Prospective Studies |
| Grant Support | |
ID/Acronym/Agency:
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K23 NS066137-02/NS/NINDS NIH HHS; R01 NS046432/NS/NINDS NIH HHS; R01 NS046432-04/NS/NINDS NIH HHS; R01 NS046432-07/NS/NINDS NIH HHS; R01 NS046432-08/NS/NINDS NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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