Cited by 191Animal testing and alternativesVeterinary Pharmacology and AnesthesiaAnimal Behavior and Welfare Studies

The DOI matches its Crossref record; 89 of the 91 references it cites were found in a registry or an index.

Pain and Laboratory Animals: Publication Practices for Better Data Reproducibility and Better Animal Welfare

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Carbone, Larry, Austin, Jamie·2016·PLOS ONE

Abstract

Scientists who perform major survival surgery on laboratory animals face a dual welfare and methodological challenge: how to choose surgical anesthetics and post-operative analgesics that will best control animal suffering, knowing that both pain and the drugs that manage pain can all affect research outcomes. Scientists who publish full descriptions of animal procedures allow critical and systematic reviews of data, demonstrate their adherence to animal welfare norms, and guide other scientists on how to conduct their own studies in the field. We investigated what information on animal pain management a reasonably diligent scientist might find in planning for a successful experiment. To explore how scientists in a range of fields describe their management of this ethical and methodological concern, we scored 400 scientific articles that included major animal survival surgeries as part of their experimental methods, for the completeness of information on anesthesia and analgesia. The 400 articles (250 accepted for publication pre-2011, and 150 in 2014-15, along with 174 articles they reference) included thoracotomies, craniotomies, gonadectomies, organ transplants, peripheral nerve injuries, spinal laminectomies and orthopedic procedures in dogs, primates, swine, mice, rats and other rodents. We scored articles for Publication Completeness (PC), which was any mention of use of anesthetics or analgesics; Analgesia Use (AU) which was any use of post-surgical analgesics, and Analgesia Completeness (a composite score comprising intra-operative analgesia, extended post-surgical analgesia, and use of multimodal analgesia). 338 of 400 articles were PC. 98 of these 338 were AU, with some mention of analgesia, while 240 of 338 mentioned anesthesia only but not post-surgical analgesia. Journals' caliber, as measured by their 2013 Impact Factor, had no effect on PC or AU. We found no effect of whether a journal instructs authors to consult the ARRIVE publishing guidelines published in 2010 on PC or AC for the 150 mouse and rat articles in our 2014-15 dataset. None of the 302 articles that were silent about analgesic use included an explicit statement that analgesics were withheld, or a discussion of how pain management or untreated pain might affect results. We conclude that current scientific literature cannot be trusted to present full detail on use of animal anesthetics and analgesics. We report that publication guidelines focus more on other potential sources of bias in experimental results, under-appreciate the potential for pain and pain drugs to skew data, and thus mostly treat pain management as solely an animal welfare concern, in the jurisdiction of animal care and use committees. At the same time, animal welfare regulations do not include guidance on publishing animal data, even though publication is an integral part of the cycle of research and can affect the welfare of animals in studies building on published work, leaving it to journals and authors to voluntarily decide what details of animal use to publish. We suggest that journals, scientists and animal welfare regulators should revise current guidelines and regulations, on treatment of pain and on transparent reporting of treatment of pain, to improve this dual welfare and data-quality deficiency.

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Fig 1 Models Scored for Publication Completeness (PC), Analgesic Use (AU) and Analgesic Completeness (AC). 25 articles per model.
Fig 1 Models Scored for Publication Completeness (PC), Analgesic Use (AU) and Analgesic Completeness (AC). 25 articles per model.CC BY · PubMed Central
Fig 2 Analgesic Properties of Agents Used During Surgical Anesthesia.
Fig 2 Analgesic Properties of Agents Used During Surgical Anesthesia.CC BY · PubMed Central
Fig 3 Anesthetic-Analgesic Regimens in Neurological Model Articles in the 2014–15 Publication Range. Use of ketamine and tiletamine are bolded; these agents, which are recommended against for neurological models by the CAMARADES guidelines.
Fig 3 Anesthetic-Analgesic Regimens in Neurological Model Articles in the 2014–15 Publication Range. Use of ketamine and tiletamine are bolded; these agents, which are recommended against for neurological models by the CAMARADES guidelines.CC BY · PubMed Central
Fig 4 Publication Completeness per Model. The percentage of 25 scored articles in each model that mention use of surgical anesthesia and/or post-surgical analgesia.
Fig 4 Publication Completeness per Model. The percentage of 25 scored articles in each model that mention use of surgical anesthesia and/or post-surgical analgesia.CC BY · PubMed Central
Fig 5 Analgesia Use per Model. The percentage of Publication-Complete articles in each model that mention use of post-surgical analgesia.
Fig 5 Analgesia Use per Model. The percentage of Publication-Complete articles in each model that mention use of post-surgical analgesia.CC BY · PubMed Central
Fig 6 Mean Analgesia Completeness per Model, on a Scale of 1 to 4. Articles that are scored as Analgesia Users (AU) and specify their post-surgical analgesic regimen receive one point each for: any mention of post-surgical analgesia; multimodal use of 2 or more classes of post-surgical analgesics; use of an analgesia agent during surgical anesthesia; and analgesic re-administration at least once post-surgically. No articles in Models 9 or 10 included sufficient detail to allow for scoring of AC.
Fig 6 Mean Analgesia Completeness per Model, on a Scale of 1 to 4. Articles that are scored as Analgesia Users (AU) and specify their post-surgical analgesic regimen receive one point each for: any mention of post-surgical analgesia; multimodal use of 2 or more classes of post-surgical analgesics; use of an analgesia agent during surgical anesthesia; and analgesic re-administration at least once post-surgically. No articles in Models 9 or 10 included sufficient detail to allow for scoring of AC.CC BY · PubMed Central
Fig 7 Impact Factors of Journals. Impact factors of journals with Publication-complete (PC), publication non-complete (non-PC), Analgesia Use (AU), and Analgesia non-Use (non-AU), in both the pre-2011 and the 2014–15 periods.
Fig 7 Impact Factors of Journals. Impact factors of journals with Publication-complete (PC), publication non-complete (non-PC), Analgesia Use (AU), and Analgesia non-Use (non-AU), in both the pre-2011 and the 2014–15 periods.CC BY · PubMed Central
Fig 8 Comparison of Journals that Do or Do Not Reference ARRIVE guidelines. Mean 2013 impact factors of journals that do or do not reference the ARRIVE guidelines in their instructions for authors plus Publication Complete (PC) and Analgesia Use (AU) rates of 2014–15 articles in the journals.
Fig 8 Comparison of Journals that Do or Do Not Reference ARRIVE guidelines. Mean 2013 impact factors of journals that do or do not reference the ARRIVE guidelines in their instructions for authors plus Publication Complete (PC) and Analgesia Use (AU) rates of 2014–15 articles in the journals.CC BY · PubMed Central

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  1. Nature Publishing Group. Reporting Checklist For Life Sciences Articles 2015 [cited 2015 July 21]. Checklist for authors submitting article to Nature's family of journals]. Available from: http://www.nature.com/authors/policies/checklist.pdf.

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Metadata

Authors
Carbone, L., & Austin, J.
Affiliations
University of California, San Francisco (US)
Corresponding author
  • Carbone, Larry
  • Austin, Jamie
Venue
PLOS ONE
Published
2016-05-12
Volume
11
Issue
5
Pages
e0155001
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2388286703
Cited by
191
References
91
Citations by year
2026: 11 · 2025: 23 · 2024: 24 · 2023: 30 · 2022: 20 · 2021: 17 · 2020: 12 · 2019: 21 · 2018: 17 · 2017: 13 · 2016: 3
FWCI
27.68
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • WBI Studies Repository (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
Funders
National Science Fundation (1455838)
Topics
  • Health Sciences › Veterinary › Small Animals › Animal testing and alternatives
  • Health Sciences › Veterinary › Small Animals › Veterinary Pharmacology and Anesthesia
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Behavior and Welfare Studies
Keywords
animal pain management, anesthesia, postoperative analgesia, ARRIVE guidelines, animal welfare, data reproducibility, multimodal analgesia, journal impact factor, reporting quality, rats and mice, thoracotomy, craniotomy, organ transplantation, peripheral nerve injury
MeSH terms
Analgesics, Anesthesia, Animals, Animal Welfare, Animals, Laboratory, Models, Theoretical, Pain, Publications, Reproducibility of Results, Guidelines as Topic, Journal Impact Factor

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