Evidence map›Paper›PMID 31206080›Full record

ArticleBMJ paediatrics open2019

Influence of timing of initiation of therapeutic hypothermia on brain MRI and neurodevelopment at 18 months in infants with HIE: a retrospective cohort study.

Mireille Guillot, Marissa Philippe, Elka Miller, Jorge Davila, Nicholas James Barrowman, Mary-Ann Harrison, Nadya Ben Fadel, Stephanie Redpath, Brigitte Lemyre

Open access · diamondAbstract read
In one paragraph

Article in BMJ paediatrics open, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 1 pooled it
2.6field-weighted citation impact, top 11% 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

15 citing papers in PubMed, 1 synthesis or guideline pooled it, 25 citations in OpenAlex.

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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

9 authors at 2 institutions in 1 country.

Mireille GuillotPediatrics, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada.ORCID 0000-0002-2079-9505
Marissa PhilippeFaculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada.
Elka MillerMedical Imaging, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada.
Jorge DavilaMedical Imaging, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada.
Nicholas James BarrowmanClinical Research Unit, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada.
Mary-Ann HarrisonClinical Research Unit, Children's Hospital of Eastern Ontario Research Institute, Ottawa, Ontario, Canada.
Nadya Ben FadelPediatrics, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada.
Stephanie RedpathPediatrics, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada.
Brigitte LemyrePediatrics, Children's Hospital of Eastern Ontario, Ottawa, Ontario, Canada.
Children's Hospital of Eastern Ontario · CAUniversity of Ottawa · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectiveTo examine the influence of timing of initiation of therapeutic hypothermia (TH) on brain injury on MRI and on neurodevelopmental outcomes at 18 months.

designRetrospective cohort study.

settingTertiary neonatal intensive care unit in Ontario, Canada. PATIENTS: Ninety-one patients with hypoxic ischaemic encephalopathy (HIE) were included, 54 in the early TH group and 37 in the late TH group.

interventionWhole-body hypothermia administered for 72 hours, initiated either before 3 hours of life (early TH) or between 3 and 6 hours of life (late TH).

main outcome measuresBrain injury on MRI after TH (assessed by two neuroradiologists), and neurodevelopmental outcomes at 18 months old.

resultsTH was initiated at a median time of 1.4 hours (early TH) and 4.4 hours (late TH). Sixty-four neonates (early TH=36, late TH=28) survived and completed neurodevelopmental assessment at 18 months. Neonates in the early TH group received more extensive resuscitation than neonates in the late TH group (p=0.0008). No difference was observed between the two groups in the pattern or severity of brain injury on MRI, or in the neurodevelopmental outcomes at 18 months. The non-survivors (n=16) had lower Apgar scores at 10 min, more extensive resuscitation, suffered from more severe HIE and had significantly more abnormal cerebral function monitoring.

conclusionIn this retrospective cohort study, TH initiated early was associated neither with a difference in brain injury on MRI nor better neurodevelopmental outcomes at 18 months.

Indexed as

imagingneonatologyneurodevelopment

Identifiers

PMID31206080
PMCPMC6542433
OpenAlexW2945379034

What OpenQuestion holds

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LicenceCC BY-NC
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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.