Evidence map›Paper›PMID 33198945›Full record

ArticleBritish journal of anaesthesia2021

Infant isoflurane exposure affects social behaviours, but does not impair specific cognitive domains in juvenile non-human primates.

Viola Neudecker, Jose F Perez-Zoghbi, Kristine Coleman, Martha Neuringer, Nicola Robertson, Alexandra Bemis, Bess Glickman, Katie J Schenning, Damien A Fair, Lauren D Martin and 2 more

Open access · bronzeAbstract read
In one paragraph

Article in British journal of anaesthesia, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 1 pooled it
4.1field-weighted citation impact, top 5% 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

27 citing papers in PubMed, 1 synthesis or guideline pooled it, 44 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. Social Housing of Postoperative Animals to Support Animal Welfare.Journal of the American Association for Laboratory Animal Science : JAALAS · 2026
    Review
  5. Review
  6. Article
  7. Article
  8. Article
  9. Article
  10. Review
  11. Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Review
  20. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

12 authors at 3 institutions in 1 country.

Viola NeudeckerDepartment of Anesthesiology, Columbia University Medical Center, New York, NY, USA.
Jose F Perez-ZoghbiDepartment of Anesthesiology, Columbia University Medical Center, New York, NY, USA.
Kristine ColemanDivision of Neuroscience, USA; Division of Comparative Medicine, Oregon National Primate Research Center, Beaverton, OR, USA.
Martha NeuringerDivision of Neuroscience, USA.
Nicola RobertsonDivision of Comparative Medicine, Oregon National Primate Research Center, Beaverton, OR, USA.
Alexandra BemisDivision of Neuroscience, USA.
Bess GlickmanDivision of Neuroscience, USA.
Katie J SchenningDepartment of Anesthesiology & Perioperative Medicine, USA.
Damien A FairDepartment of Behavioural Neuroscience, Oregon Health & Science University, Portland, OR, USA.
Lauren D MartinDivision of Comparative Medicine, Oregon National Primate Research Center, Beaverton, OR, USA.
Gregory A DissenDivision of Neuroscience, USA.
Ansgar M BrambrinkDepartment of Anesthesiology, Columbia University Medical Center, New York, NY, USA. Electronic address: amb2457@cumc.columbia.edu.
Columbia University Irving Medical Center · USOregon National Primate Research Center · USOregon Health & Science University · US

Funding

Upgrade of confocal microscopy at the Oregon National Primate Research CenterP51OD011092 · OD · OREGON HEALTH & SCIENCE UNIVERSITY · PI Bonnie J. Nagel · 2012 to 2026
$203.9M
NIH HHS P51 OD011092
6 · The paper itself

Abstract

backgroundClinical studies show that children exposed to anaesthetics for short times at young age perform normally on intelligence tests, but display altered social behaviours. In non-human primates (NHPs), infant anaesthesia exposure for several hours causes neurobehavioural impairments, including delayed motor reflex development and increased anxiety-related behaviours assessed by provoked response testing. However, the effects of anaesthesia on spontaneous social behaviours in juvenile NHPs have not been investigated. We hypothesised that multiple, but not single, 5 h isoflurane exposures in infant NHPs are associated with impairments in specific cognitive domains and altered social behaviours at juvenile age.

methodsEight Rhesus macaques per group were anaesthetised for 5 h using isoflurane one (1×) or three (3×) times between postnatal days 6 and 12 or were exposed to room air (control). Cognitive testing, behavioural assessments in the home environment, and provoked response testing were performed during the first 2 yr of life.

resultsThe cognitive functions tested did not differ amongst groups. However, compared to controls, NHPs in the 3× group showed less close social behaviour (P=0.016), and NHPs in the 1× group displayed increased anxiety-related behaviours (P=0.038) and were more inhibited towards novel objects (P<0.001).

conclusions5 h exposures of NHPs to isoflurane during infancy are associated with decreased close social behaviour after multiple exposures and more anxiety-related behaviours and increased behavioural inhibition after single exposure, but they do not affect the cognitive domains tested. Our findings are consistent with behavioural alterations in social settings reported in clinical studies, which may guide future research.

Indexed as

Social BehaviorAge FactorsAnesthetics, InhalationAnimalsAnimals, NewbornAnxietyBehavior, AnimalBrainCognitionDrug Administration ScheduleExploratory BehaviorFemaleIsofluraneMacaca mulattaMaleMotor ActivityAnesthetics, InhalationIsofluraneanaesthesiabehaviourbrain developmentcognitive testingneurotoxicitynon-human primatesocial behaviour

Identifiers

PMID33198945
PMCPMC8040121
OpenAlexW3098586083

What OpenQuestion holds

Textmetadata
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.