The use of alpha-2 agonists in the equine practice: comparison between three molecules.
Abstract: Alpha-2 agonists are synthetic drugs which cause sedation, analgesia and myorelaxation due to their interaction with alpha-2 adrenoreceptors, widely distributed throughout bodily systems. Because of these actions such drugs are generally used in veterinary practice: to tranquilize animals (pharmacologic restraint) for the safety of both veterinar-ians and cooperators. Such properties facilitate diagnostic examinations or minimally in-vasive and poorly painful surgical procedures, as well as limiting stress factors to the patients. The aim of this study is to find out the minor dosage able to minimally interact with the physiological systems and at the same time sufficient to allow diagnostic exams in properly sedated animals and to verify a possible equipotency for the three alpha-2 agonists.
Publication Date: 2007-10-10 PubMed ID: 17682902DOI: 10.1007/s11259-007-0103-7Google Scholar: Lookup
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- Comparative Study
- Journal Article
Summary
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The research study examines the comparative effects of three different Alpha-2 agonist molecules for veterinary use, specifically in equine practice. The objective is to determine the minimum effective dosage that can safely sedate animals and allow for proper diagnostic exams without significantly disturbing normal physiological systems.
Study Objective
- The focus of this research is to compare the effectiveness and potency of three different alpha-2 agonist molecules used for sedating animals, particularly horses, during veterinary procedures.
- The study strives to identify the smallest dosage that can still effectively provide sedation without unduly interfering with the animal’s regular physiological systems.
About Alpha-2 Agonists
- Alpha-2 agonists are synthetic drugs that act on alpha-2 adrenoreceptors, which are widely distributed throughout the body.
- Through this interaction, these drugs offer sedative, analgesic (pain-relieving), and myorelaxant (muscle relaxing) effects, making them useful for veterinary practice.
- They help ensure the safety of both the animal and the veterinary practitioner by providing pharmacological restraint – calming the animal enough to allow for diagnostic procedures or minimally invasive surgeries to take place.
Significance of the Study
- This study hopes to determine a balance in dosage that ensures both the effectiveness of these alpha-2 agonists in providing sufficient sedation for veterinary procedures and the minimal disturbance to the animal’s physiological systems.
- Identifying such a balance is beneficial as it prevents undue stress or harm to animals while allowing veterinarians to conduct their professional duties.
- At the same time, the study seeks to verify if the three alpha-2 agonists being tested have equipotency – equal potency or effectiveness at the minimum effective dosage.
Cite This Article
APA
Nannarone S, Gialletti R, Veschini I, Bufalari A, Moriconi F.
(2007).
The use of alpha-2 agonists in the equine practice: comparison between three molecules.
Vet Res Commun, 31 Suppl 1, 309-312.
https://doi.org/10.1007/s11259-007-0103-7 Publication
Researcher Affiliations
- Department of Veterinary Pathology, Diagnostic and Clinic, section of Surgery and Radiodiagnostic, University of Perugia, Perugia, Italy. sara.nannarone@tin.it
MeSH Terms
- Adrenergic alpha-Agonists / pharmacology
- Animals
- Ataxia / chemically induced
- Female
- Horses
- Hypnotics and Sedatives / pharmacology
- Imidazoles / pharmacology
- Male
- Xylazine / pharmacology
References
This article includes 5 references
- England GC, Clarke KW, Goossens L. A comparison of the sedative effects of three alpha 2-adrenoceptor agonists (romifidine, detomidine and xylazine) in the horse.. J Vet Pharmacol Ther 1992 Jun;15(2):194-201.
- Wagner AE, Muir WW 3rd, Hinchcliff KW. Cardiovascular effects of xylazine and detomidine in horses.. Am J Vet Res 1991 May;52(5):651-7.
- Yamashita K, Tsubakishita S, Futaok S, Ueda I, Hamaguchi H, Seno T, Katoh S, Izumisawa Y, Kotani T, Muir WW. Cardiovascular effects of medetomidine, detomidine and xylazine in horses.. J Vet Med Sci 2000 Oct;62(10):1025-32.
- Freeman SL, Bowen IM, Bettschart-Wolfensberger R, Alibhai HI, England GC. Cardiovascular effects of romifidine in the standing horse.. Res Vet Sci 2002 Apr;72(2):123-9.
- Bueno AC, Cornick-Seahorn J, Seahorn TL, Hosgood G, Moore RM. Cardiopulmonary and sedative effects of intravenous administration of low doses of medetomidine and xylazine to adult horses.. Am J Vet Res 1999 Nov;60(11):1371-6.
Citations
This article has been cited 2 times.- Nannarone S, Giannettoni G, Laurenza C, Giontella A, Moretti G. Methadone or Butorphanol as Pre-Anaesthetic Agents Combined with Romifidine in Horses Undergoing Elective Surgery: Qualitative Assessment of Sedation and Induction. Animals (Basel) 2021 Aug 31;11(9).
- Izquierdo-Moreno J, de Paz MI, Manso-Díaz G, Villalba-Orero M, López-Sanromán J. Correlation between kinematic parameters, ataxia and ground-to-lip distance in detomidine sedated horses. Equine Vet J 2025 May;57(3):798-805.
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