A L Lawson
Application of an equine composite pain scale and its association with plasma adrenocorticotropic hormone concentrations and serum cortisol concentrations in horses with colic
Lawson, A L; Opie, R R; Stevens, K B; Knowles, E J; Mair, T S
Authors
R R Opie
K B Stevens
E J Knowles
T S Mair
Abstract
This study assessed the application of a modified equine composite pain scale (CPS) and identified the inter‐observer reliability. Associations between CPS scores and the measured concentrations of serum cortisol ([cortisol]) and plasma adrenocorticotrophic hormone ([ACTH]) in horses presenting with colic were determined. The study design was prospective, uni‐centred and observational. The inter‐observer reliability of the adapted CPS was determined for 59 horses hospitalised for a variety of conditions. The associations between CPS, ACTH and cortisol were assessed in a further 49 horses admitted for medical or surgical colic. During hospitalisation, blood samples were obtained each morning and analysed for serum [cortisol] and plasma [ACTH]. Horses were pain scored using the adapted CPS score. Data from the most painful time point (n = 48 horses; n = 48 [cortisol]; n = 44 [ACTH]) and all data time points (n = 49 horses and n = 133 time points) were used for analysis of association between [cortisol], [ACTH] and CPS score. The CPS score inter‐observer reliability was excellent (n = 59 horses; n = 102 pain scores; weighted kappa 0.863). CPS score and [cortisol] were positively associated at the most painful time point (P < 0.001) and at all data time points (P < 0.001). No significant association was found between CPS score and [ACTH]. [ACTH] was associated with [cortisol] (P = 0.034) when all time points were analysed but not when only the most painful point was analysed. The significant correlation identified between CPS score and [cortisol] in medical and surgical colic cases provides physiological validation of pain scores as a marker of underlying stress in horses with colic.
Citation
Lawson, A. L., Opie, R. R., Stevens, K. B., Knowles, E. J., & Mair, T. S. (2019). Application of an equine composite pain scale and its association with plasma adrenocorticotropic hormone concentrations and serum cortisol concentrations in horses with colic. Equine Veterinary Education, https://doi.org/10.1111/eve.13143
Journal Article Type | Article |
---|---|
Acceptance Date | Jun 4, 2019 |
Publication Date | Jul 23, 2019 |
Deposit Date | Aug 2, 2019 |
Publicly Available Date | Jul 23, 2020 |
Journal | Equine Veterinary Education |
Print ISSN | 0957-7734 |
Electronic ISSN | 2042-3292 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
DOI | https://doi.org/10.1111/eve.13143 |
Public URL | https://rvc-repository.worktribe.com/output/1381116 |
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