Plasma concentration, cardiorespiratory and analgesic effects of ketamine-fentanyl infusion in dogs submitted to mastectomy

Autor: Rauane Sousa de Moura, Isabela Plazza Bittar, Janainne Hilbig Gomes, Yan Victor Rodrigues de Oliveira, Gladsthon Divino de Sousa Filho, Glauco Cézar Fragola de Faria Soares, Eliana Martins Lima, Leandro Guimarães Franco
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: BMC Veterinary Research, Vol 18, Iss 1, Pp 1-10 (2022)
Druh dokumentu: article
ISSN: 1746-6148
DOI: 10.1186/s12917-022-03244-1
Popis: Abstract Background The analgesic and cardiorespiratory effects of ketamine, fentanyl, or ketamine-fentanyl constant rate infusion (CRI) in dogs undergoing mastectomy were evaluated. Seventeen female dogs received CRI of ketamine (GK [n = 6]: bolus 0.5 mg/kg; CRI 20 µg/kg/min in intra- and postoperative periods], fentanyl (GF [n = 5]: bolus 20 µg/kg; intraoperative CRI 5 20 µg/kg/hour and postoperative CRI 2 20 µg/kg/hour), or combination of ketamine-fentanyl (GKF [n = 6]: aforementioned doses) for 8 h. Cardiorespiratory, blood gas analyses, plasma drug concentrations, sedation score (SS), Pain Scores were evaluated. Results The heart rate decreased in the GF and GKF (p 100 ng/mL in 5/5 and 2/5 animals in the GKF and GK, respectively; and > 1.1 ng/mL of fentanyl in 4/5 and 3/5 in GKF and GF, respectively. Conclusion Ketamine with/without fentanyl provided analgesia without significant cardiorespiratory and guaranteed the minimal plasma levels with analgesic potential during the 8 h.
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