{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T16:21:06Z","timestamp":1777911666832,"version":"3.51.4"},"reference-count":41,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2024,5,15]],"date-time":"2024-05-15T00:00:00Z","timestamp":1715731200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["beva.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Equine Veterinary Journal"],"published-print":{"date-parts":[[2024,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Large colon volvulus is a cause of colic in horses with high morbidity and mortality when not promptly treated. More treatment options are needed to improve the outcome of these cases by protecting against the damage caused by ischaemia and reperfusion injury.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To determine the effect of preconditioning with dexmedetomidine prior to induction of ischaemia\u2013reperfusion (IR) injury in a large colon volvulus model in the horse.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study design<\/jats:title>\n                    <jats:p>Randomised blinded in vivo experiments.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Horses received either a dexmedetomidine (DEX) or saline (CON) constant rate infusion (CRI) immediately following induction of anaesthesia. Venous, arterial, and transmural occlusion of a section of the large colon was performed for 3 h, after which the ligatures and clamps were removed to allow for reperfusion for 3 h. Biopsies of the large colon were taken at baseline, 1 and 3\u2009h of ischaemia, and at 1 and 3\u2009h of reperfusion.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The severity of crypt epithelial loss (DEX\u2009=\u20092.1 [0.8\u20132.8], CON\u2009=\u20093.1 [2.5\u20134],\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.03) and mucosal haemorrhage was decreased (DEX\u2009=\u20092.1 [1.3\u20133], CON\u2009=\u20093.5 [2.5\u20134],\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.03) in group DEX compared to group CON when graded on a scale of 0\u20134. Crypt length remained longer (DEX\u2009=\u2009369.5\u2009\u00b1\u200991.7\u2009\u03bcm, CON\u2009=\u2009238.5\u2009\u00b1\u200972.6\u2009\u03bcm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.02) and interstitium to crypt (I:C) ratio remained lower (DEX\u2009=\u20091.4 (1\u20131.7), CON\u2009=\u20092.6 [1.8\u20135.9],\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.03) in group DEX compared to group CON during reperfusion.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Main limitations<\/jats:title>\n                    <jats:p>Clinical applicability of pharmacologic preconditioning is limited.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Preconditioning with a dexmedetomidine CRI prior to IR injury demonstrated a protective effect histologically on the large colon in the horse. Further investigation into postconditioning with dexmedetomidine is warranted as a possible intervention in colic cases suspected of being large colon volvulus.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/evj.14099","type":"journal-article","created":{"date-parts":[[2024,5,15]],"date-time":"2024-05-15T21:49:38Z","timestamp":1715809778000},"page":"1251-1258","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Dexmedetomidine preconditioning reduces ischaemia\u2013reperfusion injury in equine model of large colon volvulus"],"prefix":"10.1111","volume":"56","author":[{"given":"Amanda","family":"Watkins","sequence":"first","affiliation":[{"name":"New Bolton Center University of Pennsylvania  Kennett Square Pennsylvania 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