Evidence map›Paper›PMID 22595900›Full record

Trial reportAJNR. American journal of neuroradiology2012

Therapeutic hypothermia for neonatal encephalopathy results in improved microstructure and metabolism in the deep gray nuclei.

S L Bonifacio, A Saporta, H C Glass, P Lee, D V Glidden, D M Ferriero, A J Barkovich, D Xu

Open access · hybridAbstract readRandomized Controlled Trial
In one paragraph

Trial report in AJNR. American journal of neuroradiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 1 pooled it
3.4field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

16 citing papers in PubMed, 1 synthesis or guideline pooled it, 33 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Article
  4. Article
  5. Review
  6. Article
  7. The Role of Diffusion Tensor Imaging in Detecting Hippocampal Injury Following Neonatal Hypoxic-Ischemic Encephalopathy.Journal of neuroimaging : official journal of the American Society of Neuroimaging · 2019
    Article
  8. [Quantitative evaluation of white matter development in fetus with growth restriction by diffusion tensor imaging].Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics · 2017
    Article
  9. Article
  10. Review
  11. Article
  12. Article
  13. Article
  14. Article
  15. Drug-induced hypothermia in stroke models: does it always protect?CNS & neurological disorders drug targets · 2013
    Review
  16. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 2 institutions in 2 countries.

S L BonifacioDepartment of Pediatrics, Division of Neonatology, UCSF School of Medicine, 533 Parnassus Ave, Room U-585, Box 0748, San Francisco, CA 94143-0748, USA. bonifacios@peds.ucsf.edu
A Saporta
H C Glass
P Lee
D V Glidden
D M Ferriero
A J Barkovich
D Xu
Laboratoire d’Imagerie Biomédicale · FRUniversity of California, San Francisco · US

Funding

UCSF CLINICAL AND TRANSLATIONAL SCIENCE INSTITUTEUL1RR024131 · NCRR · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI JOHNSTON, S. CLAIBORNE · 2006 to 2011
$111.2M
White matter injury as predictor of outcome in neonatal brain injuryP50NS035902 · NINDS · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI FERRIERO, DONNA M. · 1997 to 2012
$14.0M
Development of Advanced Techniques for MR of the Newborn BrainR01EB009756 · NIBIB · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI BARKOVICH, ANTHONY JAMES, XU, DUAN · 2009 to 2013
$5.5M
MRI Mechanisms of Adverse Outcome in Preterm Infants with SeizuresK23NS066137 · NINDS · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI GLASS, HANNAH CRANLEY · 2010 to 2014
$858k
NCRR NIH HHS UL1 RR024131NIBIB NIH HHS R01 EB009756NIBIB NIH HHS R01EB009756NINDS NIH HHS K23 NS066137NINDS NIH HHS K23NS066137NINDS NIH HHS L40 NS060616NINDS NIH HHS P50 NS035902NINDS NIH HHS P50 NS035902-12
6 · The paper itself

Abstract

background and purposeTherapeutic hypothermia has reduced morbidity and mortality and is associated with a lower burden of lesions on conventional imaging in NE. However, its effects on brain microstructure and metabolism have not been fully characterized. We hypothesized that therapeutic hypothermia improves measures of brain microstructure and metabolism. MATERIALS AND

methodsForty-one neonates with moderate/severe NE (29 treated with hypothermia, 12 nontreated) and 12 healthy neonates underwent MR imaging, DTI, and (1)H-MR spectroscopy. MR imaging scans were scored by the predominant pattern of brain injury: normal, watershed, and BG/thalamus. ADC, FA, Lac:NAA, and NAA:Cho values from bilateral BG and thalamus ROIs were averaged. T test and linear regression analysis were used to determine the association between hypothermia and MR imaging quantitative measures.

resultsConventional MR imaging findings were normal in 41% of treated neonates; all nontreated neonates had brain injury. Values of MR imaging metrics were closer to normal in treated neonates compared with nontreated neonates: ADC was 63% higher in the BG and 116% higher in the thalamus (both P < .05), and Lac:NAA was 76% lower (P = .04) in the BG. Treated neonates with normal MR imaging findings had normal (1)H-MR spectroscopy metabolites, and ADC was higher by 35% in the thalamus (P = .03) compared with healthy neonates.

conclusionsTherapeutic hypothermia may reduce disturbances of brain metabolism and preserve its microstructure in the setting of NE, possibly by minimizing cytotoxic edema and cell death. Long-term follow-up studies are required to determine whether early post-treatment DTI and (1)H-MR spectroscopy will be useful biomarkers of treatment response.

Indexed as

Aspartic AcidBiomarkersBrain Diseases, Metabolic, InbornCholineDiffusion Magnetic Resonance ImagingFemaleHumansHypothermia, InducedHypoxia-Ischemia, BrainInfant, NewbornMagnetic Resonance SpectroscopyMaleNeuronsProtonsTreatment OutcomeAspartic AcidBiomarkersCholineN-acetylaspartateProtons

Identifiers

PMID22595900
PMCPMC3473161
OpenAlexW2121605774

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.