Effects of Anaesthetic Protocol on Kidney and Liver Function of Female Dogs undergoing Ovariohysterectomy

Nearly all anaesthetic agent decreases renal and hepatic blood flow, so anaesthetic agents should be selected properly in patients particularly with pre-existing renal and hepatic impairment. The present study conducted to evaluate the effect of acepromazine, midazolam and dexmedetomidine as pre-anaesthetic agent followed by induction with propofol and maintenance with isoflurane on kidney and liver function of client-owned female dogs undergoing elective ovariohysterectomy.

Thirty-two clinically healthy female dogs were randomly divided into four groups with ten animals in the groups A and B and six animals in groups C and D for elective ovariohysterectomy. Animals were premedicated with acepromazine-butorphanol in group A, midazolam-butorphanol in group B, dexmedetomidine (I/M)- butorphanol in group C and dexmedetomidine (I/V)- butorphanol in group D. Animals in all four groups were induced (till effect) with propofol and maintained with isoflurane.

All the groups showed non-significant marginal decline in BUN and serum creatinine at 5 minutes after pre-medication. Serum AST and ALT were non-significant decreased in groups A and B and non-significant increase in groups C and D during observations. Serum albumin and globulin gradually but non-significantly decrease in group A after premedication to T20 during anesthesia with isoflurane, then gradually increase upto extubation, but values remained lower in comparison to base values.