{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,18]],"date-time":"2026-10-18T02:58:41Z","timestamp":1792292321814,"version":"4.4.0"},"reference-count":46,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2022,12,1]],"date-time":"2022-12-01T00:00:00Z","timestamp":1669852800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/100019232","name":"Lincoln Memorial University","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100019232","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100012895","name":"Zoetis","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100012895","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["beva.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Equine Veterinary Journal"],"published-print":{"date-parts":[[2023,9]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Intra\u2010articular (IA) corticosteroids are regularly used in equine athletes for the control of joint inflammation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>The goal of this study was to use an acute synovitis inflammation model to determine the residual effects of IA betamethasone and triamcinolone acetonide on various inflammatory parameters and lameness.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study design<\/jats:title>\n                    <jats:p>Crossover randomised trial.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Five mixed\u2010breed, 2\u2010year\u2010old horses were randomly allocated to an IA treatment of the radiocarpal joint with 9\u00a0mg of either betamethasone or triamcinolone acetonide. Two weeks following treatment, horses were injected with 1\u00a0\u03bcg of lipopolysaccharide (LPS) diluted in 1\u00a0ml of saline. Following LPS injection, horses were crossed\u2010over and both sets of injections were repeated after a washout period. Blood samples were collected at multiple time points for mRNA analysis, as well as serum amyloid A (SAA) and cortisol determination. At each time point, lameness was also subjectively scored. Additional injections with saline\u2010only or LPS\u2010only (twice) were conducted as negative and positive controls, respectively. Two\u2010way repeated measures analysis of variance was used to analyse all data.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Corticosteroid\u2010only treatments result in significant mRNA expression differences, as well as significant and prolonged cortisol suppression. Following LPS injection, there was a residual treatment effect with triamcinolone evidenced by a significant treatment effect on\n                      <jats:italic>IL\u20106<\/jats:italic>\n                      and\n                      <jats:italic>PTGS1<\/jats:italic>\n                      (cyclooxygenase\u20101), lameness, SAA and cortisol concentrations, while only\n                      <jats:italic>IL\u20106<\/jats:italic>\n                      expression was affected by betamethasone.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Main limitations<\/jats:title>\n                    <jats:p>The acute synovitis model used here results in significant inflammation and is not representative of the low\u2010grade inflammation seen with typical joint disease and residual anti\u2010inflammatory effects may be more profound in naturally occurring joint disease.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Current regulatory guidelines may be insufficient if the concern is residual anti\u2010inflammatory effects. Additionally, intra\u2010articular corticosteroid administration is not without risk, as evidenced by a significant suppression of serum cortisol concentration and, as such, the benefits of their administration should be weighed against those risks.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/evj.13899","type":"journal-article","created":{"date-parts":[[2022,11,17]],"date-time":"2022-11-17T23:59:11Z","timestamp":1668729551000},"page":"905-915","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Residual effects of intra\u2010articular betamethasone and triamcinolone acetonide in an equine acute synovitis model"],"prefix":"10.1111","volume":"55","author":[{"given":"Emma","family":"Partridge","sequence":"first","affiliation":[{"name":"Department of Veterinary Science University of Kentucky, Maxwell H. 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