Evidence map›Paper›PMID 33595648›Full record

ArticlePain medicine (Malden, Mass.)2021

Innervation of the Human Intervertebral Disc: A Scoping Review.

Adam M R Groh, Dale E Fournier, Michele C Battié, Cheryle A Séguin

Open access · bronzeAbstract readScoping Review
In one paragraph

Article in Pain medicine (Malden, Mass.), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.

0numbers the graph read from it
0cells of the map it votes in
41citing papers in PubMed
7.1field-weighted citation impact, top 2% 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

41 citing papers in PubMed, 64 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. TRPC6-Mediated CaCells · 2026
    Article
  5. Article
  6. Review
  7. Review
  8. Article
  9. Review
  10. Review
  11. Review
  12. Article
  13. 14. Discogenic Low Back Pain.Pain practice : the official journal of World Institute of Pain · 2025
    Review
  14. Review
  15. Article
  16. Regenerative strategies for intervertebral disc degeneration.Journal of orthopaedic translation · 2025
    Review
  17. Review
  18. Article
  19. Review
  20. Review
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

4 authors at 2 institutions in 1 country.

Adam M R GrohIntegrated Program in Neuroscience, The Montreal Neurological Institute-Hospital, Department of Neurology and Neurosurgery, McGill University, Montréal, Québec, Canada.ORCID 0000-0002-5878-0973
Dale E FournierHealth and Rehabilitation Sciences (Physical Therapy), Faculty of Health Sciences, University of Western Ontario, London, Ontario, Canada.ORCID 0000-0001-6572-8447
Michele C BattiéBone and Joint Institute, University of Western Ontario, London, Ontario, Canada.ORCID 0000-0001-8499-2040
Cheryle A SéguinBone and Joint Institute, University of Western Ontario, London, Ontario, Canada.ORCID 0000-0001-6503-9107
Western University · CAMontreal Neurological Institute and Hospital · CA

Funding

CIHR 115068
6 · The paper itself

Abstract

objectiveBack pain is an elusive symptom complicated by a variety of possible causes, precipitating and maintaining factors, and consequences. Notably, the underlying pathology remains unknown in a significant number of cases. Changes to the intervertebral disc (IVD) have been associated with back pain, leading many to postulate that the IVD may be a direct source of pain, typically referred to as discogenic back pain. Yet despite decades of research into the neuroanatomy of the IVD, there is a lack of consensus in the literature as to the distribution and function of neural elements within the tissue. The current scoping review provides a comprehensive systematic overview of studies that document the topography, morphology, and immunoreactivity of neural elements within the IVD in humans.

methodArticles were retrieved from six separate databases in a three-step systematic search and were independently evaluated by two reviewers.

resultsThree categories of neural elements were described within the IVD: perivascular nerves, sensory nerves independent of blood vessels, and mechanoreceptors. Nerves were consistently localized within the outer layers of the annulus fibrosus. Neural ingrowth into the inner annulus fibrosus and nucleus pulposus was found to occur only in degenerative and disease states.

conclusionWhile the pattern of innervation within the IVD is clear, the specific topographic arrangement and function of neural elements in the context of back pain remains unclear.

Indexed as

Annulus FibrosusIntervertebral DiscIntervertebral Disc DegenerationBack PainHumansAnnulus FibrosusBack PainIntervertebral Disc DegenerationNeuroanatomyNucleus PulposusPeripheral Nervous System

Identifiers

PMID33595648
PMCPMC8185559
OpenAlexW3132637361

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.