Evidence map›Paper›PMID 28387133›Full record

ArticleCephalalgia : an international journal of headache2017

Altered pupillary light response scales with disease severity in migrainous photophobia.

Melissa M Cortez, Natalie A Rea, Lindsay A Hunter, Kathleen B Digre, K C Brennan

Abstract read
In one paragraph

Article in Cephalalgia : an international journal of headache, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
4.7field-weighted citation impact, top 4% 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, 52 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Review
  6. Article
  7. Article
  8. Headache and Autonomic Dysfunction: a Review.Current neurology and neuroscience reports · 2022
    Review
  9. Review
  10. Article
  11. Article
  12. Article
  13. Photophobia in migraine: A symptom cluster?Cephalalgia : an international journal of headache · 2021
    Review
  14. Article
  15. Observational
  16. Synergistic but separable sensory changes in postural tachycardia syndrome and chronic migraine.Clinical autonomic research : official journal of the Clinical Autonomic Research Society · 2021
    Article
  17. Neuro-ophthalmologic Findings in Visual Snow Syndrome.Journal of clinical neurology (Seoul, Korea) · 2020
    Article
  18. Article
  19. Selective amplification of ipRGC signals accounts for interictal photophobia in migraine.Proceedings of the National Academy of Sciences of the United States of America · 2020
    Article
  20. 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

5 authors at 1 institution in 1 country.

Melissa M CortezUniversity of Utah, Department of Neurology, Salt Lake City, UT, USA.
Natalie A ReaUniversity of Utah, Department of Neurology, Salt Lake City, UT, USA.
Lindsay A HunterUniversity of Utah, Department of Neurology, Salt Lake City, UT, USA.
Kathleen B DigreUniversity of Utah, Department of Neurology, Salt Lake City, UT, USA.
K C BrennanUniversity of Utah, Department of Neurology, Salt Lake City, UT, USA.
University of Utah · US

Funding

Sensory plasticity in migraineR01NS085413 · NINDS · UNIVERSITY OF UTAH · PI BRENNAN, KEVIN CHRISTOPHER · 2013 to 2017
$1.7M
NINDS NIH HHS R01 NS085413
6 · The paper itself

Abstract

Background Autonomic dysfunction and light sensitivity are core features of the migraine attack. Growing evidence also suggests changes in these parameters between attacks. Though sensory and autonomic responses likely interact, they have not been studied together across the spectrum of disease in migraine. Methods We performed digital infrared pupillometry while collecting interictal photophobia thresholds (PPT) in 36 migraineurs (14 episodic; 12 chronic; 10 probable) and 24 age and sex-matched non-headache controls. Quantitative pupillary light reflexes (PLR) were assessed in a subset of subjects, allowing distinction of sympathetic vs parasympathetic pupillary function. A structured questionnaire was used to ascertain migraine diagnosis, headache severity, and affective symptoms. Results Photophobia thresholds were significantly lower in migraineurs than controls, and were lowest in chronic migraine, consistent with a disease-related gradient. Lower PPT correlated with smaller dark-adapted pupil size and larger end pupil size at PPT, which corresponded to a reduced diameter change. On PLR testing, measures of both parasympathetic constriction and sympathetic re-dilation were reduced in migraineurs with clinically severe migraine. Conclusions In summary, we show that severity of photophobia in migraine scales with disease severity, in association with shifts in pupillary light responses. These alterations suggest centrally mediated autonomic adaptations to chronic light sensitivity.

Indexed as

AdolescentAdultAgedFemaleHumansMaleMiddle AgedMigraine DisordersPhotophobiaReflex, PupillaryYoung Adultautonomic functionchronic migraineInternational Classification of Headache Disorders (ICHD) diagnostic criteriaPhotophobiapupillary dysfunctionpupillary light reflex

Identifiers

PMID28387133
PMCPMC5495574
OpenAlexW2604269803

What OpenQuestion holds

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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.