{"title":"美托咪定在小牛去角手术中镇静的最佳临床剂量。","authors":"Kenji Tsukano, Shohei Yamakawa, Kazuyuki Suzuki","doi":"10.1556/004.2023.00919","DOIUrl":null,"url":null,"abstract":"<p><p>The present paper reports on the clinical efficacy and optimal clinical dose of medetomidine for sedation of young cows during dehorning surgery. Medical records of 24 female Holstein cows that underwent dehorning surgery were used in this study. In four groups, the sedation of animals was carried out by one of the four intravenous treatments: 0.1 mg kg-1 xylazine (Xyl group, n = 6), 5.0 μg kg-1 medetomidine (5.0 Med group, n = 6), 10.0 μg kg-1 medetomidine (10.0 Med group, n = 6) or 20.0 μg kg-1 medetomidine (20.0 Med group, n = 6). The clinical sedation score (CSS) and heart rate (HR) were recorded. The CSSs after intravenous administration of each α2-adrenergic receptor agonist increased rapidly and peaked at 12.5 (10.0-16.0) at t = 20 min in the Xyl group, 11.5 (10.0-15.0) at t = 10 min in the 5.0 Med group, 16.0 (14.0-16.0) at t = 20 min in the 10.0 Med group and 16.0 (14.0 - 16.0) at t = 20 min in the 20.0 Med group. A similar degree of bradycardia was observed after every sedative treatment. We conclude that the intravenous administration of 10.0-20.0 μg kg-1 medetomidine is appropriate for sedation of young cows without severe side effects.</p>","PeriodicalId":7247,"journal":{"name":"Acta veterinaria Hungarica","volume":" ","pages":"142-146"},"PeriodicalIF":0.7000,"publicationDate":"2023-11-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Optimal clinical dose of medetomidine for sedation of young cows during dehorning surgery.\",\"authors\":\"Kenji Tsukano, Shohei Yamakawa, Kazuyuki Suzuki\",\"doi\":\"10.1556/004.2023.00919\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>The present paper reports on the clinical efficacy and optimal clinical dose of medetomidine for sedation of young cows during dehorning surgery. Medical records of 24 female Holstein cows that underwent dehorning surgery were used in this study. In four groups, the sedation of animals was carried out by one of the four intravenous treatments: 0.1 mg kg-1 xylazine (Xyl group, n = 6), 5.0 μg kg-1 medetomidine (5.0 Med group, n = 6), 10.0 μg kg-1 medetomidine (10.0 Med group, n = 6) or 20.0 μg kg-1 medetomidine (20.0 Med group, n = 6). The clinical sedation score (CSS) and heart rate (HR) were recorded. The CSSs after intravenous administration of each α2-adrenergic receptor agonist increased rapidly and peaked at 12.5 (10.0-16.0) at t = 20 min in the Xyl group, 11.5 (10.0-15.0) at t = 10 min in the 5.0 Med group, 16.0 (14.0-16.0) at t = 20 min in the 10.0 Med group and 16.0 (14.0 - 16.0) at t = 20 min in the 20.0 Med group. A similar degree of bradycardia was observed after every sedative treatment. We conclude that the intravenous administration of 10.0-20.0 μg kg-1 medetomidine is appropriate for sedation of young cows without severe side effects.</p>\",\"PeriodicalId\":7247,\"journal\":{\"name\":\"Acta veterinaria Hungarica\",\"volume\":\" \",\"pages\":\"142-146\"},\"PeriodicalIF\":0.7000,\"publicationDate\":\"2023-11-24\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Acta veterinaria Hungarica\",\"FirstCategoryId\":\"97\",\"ListUrlMain\":\"https://doi.org/10.1556/004.2023.00919\",\"RegionNum\":4,\"RegionCategory\":\"农林科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"2024/1/9 0:00:00\",\"PubModel\":\"Print\",\"JCR\":\"Q3\",\"JCRName\":\"VETERINARY SCIENCES\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Acta veterinaria Hungarica","FirstCategoryId":"97","ListUrlMain":"https://doi.org/10.1556/004.2023.00919","RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/1/9 0:00:00","PubModel":"Print","JCR":"Q3","JCRName":"VETERINARY SCIENCES","Score":null,"Total":0}
Optimal clinical dose of medetomidine for sedation of young cows during dehorning surgery.
The present paper reports on the clinical efficacy and optimal clinical dose of medetomidine for sedation of young cows during dehorning surgery. Medical records of 24 female Holstein cows that underwent dehorning surgery were used in this study. In four groups, the sedation of animals was carried out by one of the four intravenous treatments: 0.1 mg kg-1 xylazine (Xyl group, n = 6), 5.0 μg kg-1 medetomidine (5.0 Med group, n = 6), 10.0 μg kg-1 medetomidine (10.0 Med group, n = 6) or 20.0 μg kg-1 medetomidine (20.0 Med group, n = 6). The clinical sedation score (CSS) and heart rate (HR) were recorded. The CSSs after intravenous administration of each α2-adrenergic receptor agonist increased rapidly and peaked at 12.5 (10.0-16.0) at t = 20 min in the Xyl group, 11.5 (10.0-15.0) at t = 10 min in the 5.0 Med group, 16.0 (14.0-16.0) at t = 20 min in the 10.0 Med group and 16.0 (14.0 - 16.0) at t = 20 min in the 20.0 Med group. A similar degree of bradycardia was observed after every sedative treatment. We conclude that the intravenous administration of 10.0-20.0 μg kg-1 medetomidine is appropriate for sedation of young cows without severe side effects.
期刊介绍：
Acta Veterinaria Hungarica publishes original research papers presenting new scientific results of international interest, and to a limited extent also review articles and clinical case reports, on veterinary physiology (physiological chemistry and metabolism), veterinary microbiology (bacteriology, virology, immunology, molecular biology), on the infectious diseases of domestic animals, on veterinary parasitology, pathology, clinical veterinary science and reproduction.
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