Short Communication
Hypoxaemia and suspected pulmonary oedema in a Dorper ewe after diazepam-ketamine induction of anaesthesia : short communication
Journal of the South African Veterinary Association | Vol 71, No 1 | a680 |
DOI: https://doi.org/10.4102/jsava.v71i1.680
| © 2000 G.F. Stegmann
| This work is licensed under CC Attribution 4.0
Submitted: 10 July 2000 | Published: 10 July 2000
Submitted: 10 July 2000 | Published: 10 July 2000
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G.F. Stegmann,Full Text:
PDF (40KB)Abstract
Anaesthesia was required in an 18-month-old Dorper ewe scheduled for surgical repair of an abdominal hernia. Anaesthesia was induced with diazepam (0.15 mg/kg) and ketamine (6 mg/kg), and maintained with halothane in oxygen on a circle anaesthetic machine. Hypotension, hypoxaemia, cyanosis and pulmonary oedema were observed from the start of surgery, but the symptoms improved towards the completion of the procedure. The aetiology of this condition could not be established. It is suggested that propylene glycol, the organic solvent in the diazepam formulation, may have stimulated the release of vasoactive substances that resulted in pulmonary oedema.
Keywords
Anaesthesia; Diazepam; Hypoxaemia; Ketamine; Propylene Glycol; Pulmonary Oedema; Sheep
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