Document Type : Original Article
Authors
1
Department of Veterinary Surgery, Anesthesiology, and Radiology, Faculty of Veterinary Medicine, Benha University, Moshtohor, Kalyobiya 13736, Egypt.
2
Animal Hygiene and Management Department, Faculty of Veterinary Medicine, Benha University, Egypt
3
Biochemistry and Molecular Biology Department, Faculty of Veterinary Medicine, Benha University,
4
Department of Animal Internal Medicine, Faculty of Veterinary Medicine, Benha University,
Abstract
Abstract
The quality of sedation and analgesia on behavioral, cardio-pulmonary and biochemical effects of a novel pre-anesthetic medication consists of dexmedetomidine -nalbuphine combination were evaluated Vs dexmedetomidine alone within bucks undergoing a TIVA using ketamine for induction and propofol for maintenance.six clinically healthy bucks were randomly assigned into two groups. The first group was subjected to intravenous injection of dexmedetomidine hydrochloride (3 mcg/kg) body weight and the second one was injected with dexmedetomidine -Nalbuphine combination (3 mcg/kg & 0.5mg/kg) body weight for dexmedetomidine and nalbuphine respectively. Anesthesia was induced by intravenous ketamine (5mg/kg) body weight and maintained through intermittent bolus of propofol (2 mg/kg) body weight. Sedative, analgesic, behavioral, cardio-pulmonary and biochemical effects of dexmedetomidine and dexmedetomidine -nalbuphine were evaluated before any treatment (s) (baseline), after premedication, after induction and at 5, 15, 30, 45, 60, 75, 90 and120 minutes after drug administration. The use of Dexmedetomidine -nalbuphine combination provide a deeper potent, rapid onset, smooth induction and recovery, prolonged sedation, anesthesia and total recovery time than bucks received dexmedetomidine alone. The behavioral parameters showed higher scores in dexmedetomidine -nalbuphine group than dexmedetomidine group. There was a significant hemodynamic and cardiovascular stability in dexmedetomidine -nalbuphine group. This study concluded that adding Nalbuphine to dexmedetomidine before total intravenous anesthesia by ketamine and propofol provide a novel anesthetic regimen that improves the quality of anesthesia and recovery with acceptable cardiopulmonary and biochemical outcomes.
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