Evidence map›Paper›PMID 40865011›Full record

ArticlePsychiatry and clinical psychopharmacology2025

Are Equine Assisted Interactions (EAI) a Dark Horse Bet? A Systematic Review on Measuring the Psychological and Physiological Effects of EAI on PTSD, Anxiety and/or Mood Disorders.

Chantal Kapteijn, Nadieh Reinders, Martine Hueting, Rogier Alexander Van Huffelen, Eric Vermetten, Bas Rodenburg, Nienke Endenburg

Abstract read
In one paragraph

Article in Psychiatry and clinical psychopharmacology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
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

2 citing papers in PubMed.

  1. Article
  2. 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

7 authors.

Chantal KapteijnAnimals in Science & Society, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.ORCID 0000-0001-8482-7715
Nadieh ReindersAnimals in Science & Society, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.ORCID 0009-0006-4039-6291
Martine HuetingMilitary Mental Health Care Ministry of Defense, Utrecht, The Netherlands.
Rogier Alexander Van HuffelenMentrum Psychiatric Hospital, Amsterdam, The Netherlands.
Eric VermettenDepartment of Psychiatry, Leiden University Medical Centre, Leiden, The Netherlands.ORCID 0000-0003-0579-4404
Bas RodenburgAnimals in Science & Society, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.ORCID 0000-0002-3371-1461
Nienke EndenburgAnimals in Science & Society, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.ORCID 0000-0003-1346-195X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Conventional forms of trauma-focused psychological interventions seem to be less effective in military veterans with post-traumatic stress disorder (PTSD). Equine Assisted Interventions (EAI) have become increasingly popular as an additional treatment, resulting in increasing research on the effects of EAI. However, no systematic review on the effects of EAI has focused on PTSD, anxiety and/or mood disorders and whether the effects are reflected in psychological and physiological measures. This systematic review investigated the treatment effects, study design, population, intervention, and psychological and physiological measurements in EAI research. Methods: The search strategy yielded 1028 original articles from 3 electronic databases: PubMed, Scopus, and CAB Abstracts. These articles were screened by 2 individual blinded researchers with Rayyan according to Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) guidelines and rendered 31 eligible studies. Results: Although all quantitative studies reported 1 or more positive treatment effects on symptoms of PTSD, anxiety and/or mood disorders, well-designed studies were sparse. This review demonstrated a lack of methodological information and few randomized controlled studies, in addition to a large heterogeneity in population characteristics, interventions, terminology, and questionnaires. Conclusion: Future studies should address these methodological considerations in order to advance the understanding of EAI and optimize their efficacy in treating PTSD, anxiety and/or mood disorders.

Identifiers

PMID40865011
PMCPMC12410245

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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.