| Neurodevelopmental outcome of extremely low-birth-weight infants randomly assigned to restrictive or liberal hemoglobin thresholds for blood transfusion. | |
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MedLine Citation:
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PMID: 22818550 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Surviving extremely low-birth-weight infants are at risk of severe neurodevelopmental disability. Transfusion with packed red cells is almost universal in the care of these infants, but the hemoglobin threshold at which these transfusions should be given is unclear. Different clinical trials of restrictive (low hemoglobin) versus liberal (high hemoglobin) thresholds have addressed either neurodevelopmental outcomes at 18-21 months of corrected gestational age or psychological tests and brain imaging at 8-15 years of age. Early follow-up shows differences in cognitive outcome favoring the liberal strategy, but as a post hoc secondary outcome. The childhood studies favor the restrictive strategy, but include major methodological problems of secondary recruitment. No firm conclusion can be reached, other than to report that serious adverse effects may be attributable to one or other of these strategies, that prudent practice is to remain within trial protocols, and that further redesigned clinical trials are required. |
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Authors:
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Robin K Whyte |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Seminars in perinatology Volume: 36 ISSN: 1558-075X ISO Abbreviation: Semin. Perinatol. Publication Date: 2012 Aug |
Date Detail:
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Created Date: 2012-07-23 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7801132 Medline TA: Semin Perinatol Country: United States |
Other Details:
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Languages: eng Pagination: 290-3 Citation Subset: IM |
Copyright Information:
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Copyright © 2012 Elsevier Inc. All rights reserved. |
Affiliation:
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Department of Paediatrics, Dalhousie University, Nova Scotia, Canada. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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