VSR 421: Regional Veterinary Surgery (2+1)

ANAESTHESIA

Premedication

• Atropine sulphate @ 0.02--0.04 mg/kg sc (or)
• Glycopyrollate @ 0.005--0.01 mg/kg b.wt. s.c., i.m. (reduce gastric secretion & damage to oesophagus mucosa or respiratory tract).

Induction

• Thiopentone @ 10-12 mg/kg i.v. or Propofol @ 4-6 mg/kg i.v. or Ketamine (5.5 mg/kg) + Diazepam (0.27 mg/kg) i.v.

Maintenance

• Inhalant anaesthesia - isoflurane/sevoflurane.

Precaution

• Avoid nitrous oxide in Gastric dialatation /torsion /intestinal obstruction, it rapidly diffuse in distended organ and cause additional distension.

Preoperative management

• Withhold food for 12—24 hrs.
• In younger animal of 6 months rapidly depletion of liver glycogen during fasting (don’t fast more than 6 hrs).
• Correct dehydration if present