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Effects of Fractional Inspired Oxygen on Cerebral Oxygenation in Preterm Infants following Delivery

Overview of attention for article published in Journal of Pediatrics, September 2015
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Title
Effects of Fractional Inspired Oxygen on Cerebral Oxygenation in Preterm Infants following Delivery
Published in
Journal of Pediatrics, September 2015
DOI 10.1016/j.jpeds.2015.07.063
Pubmed ID
Authors

Mmoloki Kenosi, John M. O'Toole, Vicki Livingston, Gavin A. Hawkes, Geraldine B. Boylan, Ken D. O'Halloran, Anthony C. Ryan, Eugene M. Dempsey

Abstract

To explore regional cerebral oxygen saturations (rcSO2) in preterm neonates initially stabilized with 0.3 fractionated inspired oxygen (FiO2) concentrations. We hypothesized that those infants who received >0.3 FiO2 during stabilization following delivery would have relatively higher rcSO2 postdelivery compared with those stabilized with a lower FiO2. A single center prospective observational study of 47 infants born before 32 weeks. Using near infrared spectroscopy, rcSO2 values were recorded immediately after birth. All preterm infants were initially given 0.3 FiO2 and were divided into 2 groups according to subsequent FiO2 requirements of either ≤0.3 or >0.3 FiO2. Using a mixed-effects model, we compared the difference between the groups over time. Also, the area measures below 55% (hypoxia) and above 85% (hyperoxia) were compared between the groups. The mean (SD) gestation was 29.4 (1.6) weeks and the mean (SD) weight was 1.3 (0.4) kg. Less than one-half of the infants (20/45; 43%) required ≤0.3 FiO2. In the delivery suite, the median (IQR) rcSO2 in the low and high FiO2 groups were 81% (66%-86%) and 72% (62%-86%), respectively. Patients in the high FiO2 group had a larger rcSO2 area below 55% (P = .01). There was a significant difference in rcSO2 between the groups (P < .05), with the low group having higher rcSO2 values initially, but this difference changed over time. In the neonatal intensive care unit (NICU), rcSO2 values were lower by 7.1% (CI 12.13 to 2.06%) P = .008 in the high FiO2 group. Infants given >0.3 FiO2 had more cerebral hypoxia than infants requiring ≤0.3 FiO2 but no difference in the degree of cerebral hyperoxia, both in the delivery suite and the NICU. This suggests that a more rapid increase in oxygen titration maybe be required initially for preterm infants.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 46 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 46 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 7 15%
Student > Bachelor 6 13%
Professor 4 9%
Student > Ph. D. Student 3 7%
Student > Postgraduate 3 7%
Other 9 20%
Unknown 14 30%
Readers by discipline Count As %
Medicine and Dentistry 17 37%
Nursing and Health Professions 3 7%
Neuroscience 2 4%
Agricultural and Biological Sciences 2 4%
Mathematics 1 2%
Other 3 7%
Unknown 18 39%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 21 September 2015.
All research outputs
#22,759,452
of 25,374,647 outputs
Outputs from Journal of Pediatrics
#11,750
of 12,457 outputs
Outputs of similar age
#229,564
of 268,269 outputs
Outputs of similar age from Journal of Pediatrics
#133
of 137 outputs
Altmetric has tracked 25,374,647 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 12,457 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 13.2. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 137 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.