Efeito local do tramadol ou da lidocaína pela via intratesticular em cães submetidos à orquiectomia eletiva anestesiados com sevoflurano

Abstract

The objective was to evaluate the analgesia produced by intratesticular blockade with tramadol or lidocaine, cardiorespiratory variables and post-anesthetic recovery dogs undergoing elective orchiectomy under inhalation anesthesia with sevoflurane. We used 16 dogs divided into two groups, they were catheterized for administration dose-effect propofol kept 1,7V% sevoflurane for 10 minutes and was then applied intratesticularly lidocaine 1 mg kg-1 (GL) or tramadol 2mg kg-1 (GT) and after 5 minutes began the surgery that lasted 15 minutes. There was a decrease in respiratory rate and body temperature in both groups from the anesthetic induction and increased diastolic blood pressure from the skin incision. In GT were made 62.5% (n = 5) and redemptions anesthetics GL 12.5% (n = 1) rescues animals received anesthetics (RA), analgesics (Ra) and both. Thus, it is concluded that both treatments produced cardiorespiratory stability, but the analgesia produced by tramadol administered by intratesticularly in dogs undergoing elective orchiectomy was ineffective. The high recovery and no statistical difference, and had maximum time of 17 minutes after extubation.