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The effect of aquapuncture at Pericardium 6 (PC-6) on dexmedetomidine-induced nausea and vomiting in cats

Published:January 29, 2019DOI:https://doi.org/10.1016/j.vaa.2019.01.004

      Abstract

      Objective

      To determine the effect of aquapuncture at acupuncture point Pericardium 6 (PC-6) on the incidence of dexmedetomidine-induced vomiting and nausea in cats.

      Study design

      Randomized, prospective, crossover study.

      Animals

      A group of 22 cats, 14 females and eight males, aged 1–12 years and weighing 3.8–5.9 kg.

      Methods

      Each cat was administered treatments in random order at ≥1 week intervals. For treatment (DEX–A), cats were administered PC-6 stimulation by aquapuncture (0.25 mL/250 μg vitamin B12 injection subcutaneously at PC-6). After 30 minutes, dexmedetomidine (10 μg kg–1) was administered intramuscularly (IM). For control treatment (DEX), cats were administered only dexmedetomidine (10 μg kg–1) IM. Incidence of vomiting, number of vomiting episodes and time to first vomiting were recorded by an observer unaware of treatment allocation. At 30 minutes after dexmedetomidine administration, atipamezole (0.1 mg kg–1) was injected IM. Behavior was video recorded and later scored by two observers for clinical signs of nausea. A regression model (analysis of covariance) was used to detect the influence of aquapuncture on vomiting and nausea. Significance was set at p < 0.05.

      Results

      Of 21 cats, 18 (85%) and 16 cats (76%) vomited in DEX–A and DEX, respectively. There was no significant difference in the incidence of vomiting (p = 0.55), number of vomiting episodes (p = 0.55), mean time to vomit (p = 0.88) or nausea score (p = 0.51) between DEX–A and DEX.

      Conclusions and clinical relevance

      PC-6 aquapuncture did not reduce the incidence of dexmedetomidine-induced vomiting or severity of nausea in cats.

      Keywords

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