A behaviour-based pain scale for horses with acute colic: Scale construction

Gila Abells Sutton*, Roee Dahan, Dan Turner, Ora Paltiel

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

Abstract

A validated tool for assessing the severity of acute abdominal pain is needed for the effective management of colic in horses. Two behaviour-based colic pain scales were constructed by combining together mathematical and judgemental approaches. The mathematical approach identified easily-recognised pain behaviours to select as items. The judgemental approach further modified the items and weighted them based on expert-opinion. Thirty equine practitioners assessed the level of pain demonstrated in 23 film clips of clinical cases exhibiting signs of acute abdominal pain prospectively using a 10. cm visual analogue scale (VAS). The practitioners also identified behaviours noted in each clip from a checklist of 23 behaviours identified from the literature. Nine behaviours had insignificant bias and moderate-to-excellent inter-observer agreement (multirater kappas: 0.5-0.95).Six experienced veterinarians then completed questionnaires in an iterative Delphi process to independently judge 15 items that best reflected severity of pain out of 42 items generated from the literature. Two behaviours were generated by the process. Subsequently, an advisory panel of three equine practitioners constructed two clinimetric-type scales based on the results of both approaches. The two resulting equine acute abdominal pain scales (EAAPS) included 12 behaviours. One weight was assigned to each behaviour in the EAAPS-1. In the EAAPS-2, gradations of weights were assigned, based on the frequency of the behaviour being demonstrated. The EAAPS scales are the first pain severity scales designed specifically for clinical use in cases of acute colic utilising the clinimetric approach to scale construction. Further studies are underway to validate the scales.

Original languageAmerican English
Pages (from-to)394-401
Number of pages8
JournalVeterinary Journal
Volume196
Issue number3
DOIs
StatePublished - Jun 2013

Keywords

  • Clinimetric index
  • Colic
  • Delphi
  • Pain assessment
  • Pain scale

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