Journal
JOURNAL OF PERINATOLOGY
Volume 39, Issue 1, Pages 48-53Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/s41372-018-0236-2
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Funding
- Washington University Institute of Clinical and Translational Sciences KL2 Training Program [NIH/NCATS KL2 TR000450]
- BarnesJewish Hospital Foundation
- Washington University Institute of Clinical and Translational Sciences Clinical and Translational Funding Program [NIH/NCATS UL1 TR000448]
- Washington University in St. Louis Center for Biomedical Informatics, Clinical Investigation Data Exploration Repository [NIH/NCATS UL1 TR000448]
- National Institutes of Health [HD072071, HL133708]
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Objectives: The objective of this study was to define the association between the burden of severe hypoxemia (SpO(2) <= 70%) in the first week of life and development of severe ICH (grade III/IV) in preterm infants. Study design: Infants born at <32 weeks or weighing <1500 g underwent prospective SpO(2) recording from birth through 7 days. Severe hypoxemia burden was calculated as the percentage of the error-corrected recording where SpO(2) <= 70%. Binary logistic regression was used to model the relationship between hypoxemia burden and severe ICH. Results: A total of 163.3 million valid SpO(2) data points were collected from 645 infants with mean EGA = 27.7 +/- 2.6 weeks, BW = 1005 +/- 291 g; 38/645 (6%) developed severe ICH. There was a greater mean hypoxemia burden for infants with severe ICH (3%) compared to those without (0.1%) and remained significant when controlling for multiple confounding factors. Conclusion: The severe hypoxemia burden in the first week of life is strongly associated with severe ICH.
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