Acid-Base Status and Blood Gas Analysis in Three Different Anaesthesia Schemes in Dogs

Authors : Galina SIMEONOVA

Pages : 769-774

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Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :Changes in the parameters of acid-base status and blood gas analysis in 3 main methods of anaesthesia in dogs were investigated. The experiment was carried out in 22 male and female dogs, matched for breed, age and body weight and divided into 3 groups. Animals from the first group insert ignore into journalissuearticles values(n = 8); were subjected to standard inhalation anaesthesia using halothane. Those from the second group insert ignore into journalissuearticles values(n = 7); received balanced anaesthesia using pancuronium, and those from the third group insert ignore into journalissuearticles values(n = 7); received epidural lumbosacral anaesthesia using lidocaine. Arterialised capillary blood samples were obtained from all animals in the following periods: immediately before anaesthesia insert ignore into journalissuearticles values(0 min);, during premedication insert ignore into journalissuearticles values(30 min);, during deep anaesthesia insert ignore into journalissuearticles values(120 min);, after recovery insert ignore into journalissuearticles values(about 140 min); and the next day insert ignore into journalissuearticles values(24 h);. The acid-base and blood gas parameters insert ignore into journalissuearticles values(pH, PaCO2, PaO2, HCO3, TCO2, ABE, SBE, SBC, SAT, and O2CT); were determined. The results showed that during the deep stages of halothane and balanced anaesthesia primary noncompensated respiratory acidosis and overoxygenation developed. These changes were only eliminated during the recovery period. The epidural anaesthesia was not accompanied by any changes in blood gas and acid-base status.
Keywords : Respiratory acidosis, halothane, pancuronium, lidocaine