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Morfina epidural contínua no controle da dor pós-operatória em ovino / Postoperative pain management in a sheep using continuous epidural morphine

Moraes, Vinícius de Jesus; Madureira, Karina Médici; Bittencourt, Rodrigo Freitas; Iwassa, Carlos Hiroshi Duarte; Barbosa, Vivian Fernanda.
Acta Sci. vet.; 46(supl): 1-6, 2018. ilus, tab
Artigo em Português | VETINDEX | ID: vti-726506

Resumo

Background: Although ruminants experience pain like other species, diagnosis and treatment may be imprecise and challenging, especially because of lack of recognition and restraint of therapeutic resources. In addition to the restrictions inherent in the species, organic dysfunctions may further restrict the analgesic arsenal, making it necessary to find viable and effective alternative for pain control. The continuous administration of opioids in the epidural space has been highlighted as an analgesic resource in several species. However, until this moment, there are few information on this practice in ruminants. Therefore, the aim of this study was to describe the use of continuous epidural infusion of morphine in a sheep undergoing to urethrostomy with a history of chronic pain and urolithiasis.Case: A 3-year-old Santa Ines sheep, weighting 110 kg, was presented to the Veterinary Hospital of Federal University of Bahia with history of recurrent urolithiasis, lameness, severe pain and continuous use of nonsteroidal anti-inflammatory drug (NSAID). The findings of the physical examination, imaging and laboratory tests revealed possible abomasum inflammation, chronic laminitis, left humerus-radioulnar osteoarthritis and urethral urolithiasis with uremia. A clinical stabilization of the animal was performed, including an interruption of the use of the NSAID and the administration of fluid, urinary acidifier (ammonium chloride), histamine H2 receptor antagonist (ranitidine), cytoprotectant (sucralfate), antibiotic (norfloxacin) and dipyrone. After 3 days, urethrostomy was performed followed by the implantation of an epidural catheter (19G) in the lumbosacral space (L7 - S1) by means of a Tuohy needle (18G), after the surgical procedure. Administration of morphine (0.1 mg kg-1) through the catheter at 24-h intervals, associated with dipyrone (25 mg kg-1) intravenously (IV), every 8 h, over a 5-day period, was the postoperative analgesic protocol chosen.[...](AU)
Biblioteca responsável: BR68.1
Localização: BR68.1