Veterinary anaesthesia and analgesia
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Randomized Controlled Trial Comparative Study Clinical Trial
Comparison of morphine and butorphanol as pre-anaesthetic agents in combination with romifidine for field castration in ponies.
The aim of this study was to compare two different alpha2 agonist-opioid combinations in ponies undergoing field castration. ⋯ The combination of butorphanol and romifidine provided better sedation, but morphine was found to be a suitable alternative to butorphanol. Use of morphine and butorphanol in combination with alpha2 agonists should be further investigated to assess their analgesic effects.
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Randomized Controlled Trial Clinical Trial
The effects of two endotracheal tube cuff inflation pressures on liquid aspiration and tracheal wall damage in horses.
To investigate the effect of endotracheal tube cuff inflation pressure on the occurrence of liquid aspiration and tracheal wall damage. ⋯ Tracheal mucosal damage induced by cuff inflation is pressure-dependent. Cuff pressure monitoring is recommended.
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Randomized Controlled Trial Clinical Trial
Effects of peri-operative morphine administration during halothane anaesthesia in horses.
To study the effects of morphine on haemodynamic variables, blood gas values and the requirement for additional anaesthetic drugs in horses undergoing surgery. ⋯ Pre-anaesthetic and peri-operative morphine administration is not associated with significant haemodynamic or ventilatory changes. Horses receiving morphine tended to receive fewer and lower doses of additional anaesthetic drugs, although this was not statistically significant.