W.E. Mwangi, P. Kimeli, E.G. Mogoa, J.W. Aleri, G. Kirui,
Medetomidine-Tiletamine-Zolazepam Anaesthesia with Brachial Plexus Blockade:
An Alternative Protocol for Canine Forelimb Surgeries,
Research Journal of Animal Sciences,
Volume 8,Issue 1,
2014,
Pages 9-11,
ISSN 1993-5269,
rjnasci.2014.9.11,
(https://makhillpublications.co/view-article.php?doi=rjnasci.2014.9.11)
Abstract: The use of medetomidine-tiletamine-zolazepam anaesthesia with brachial plexus blockade is reported as an alternative anaesthetic technique for repair of radius and ulna fractures in dogs. A 3 years old male Japanese spitz was presented with a history of leg carrying lameness following a car accident 2 weeks earlier. Clinical examination revealed non-weight bearing lameness of the right forelimb and normal physiological parameters. Radiography confirmed a complete oblique fracture of the proximal right radio-ulna bones which required open reduction and internal fixation. Two anaesthetic protocols were attempted but resulted into severe apnea and bradycardia. The first regime involved the use of xylazine-thiopentone-isoflurane while the second one was xylazine-ketamine combination. An alternative anaesthesia protocol involving medetomidine-tiletamine-zolazepam combination with brachial plexus block using lidocaine was employed with great success. Analgesia of the desensitized limb extended 7 h post-operatively. Temperature and cardio-pulmonary parameters remained stable intra-operatively as indicted by an average temperature of 37.2°C, heart rate of 68 beats min-1 and respiratory rate of 18 breaths min-1. This study reports successful use of medetomidine-tiletamine-zolazepam anaesthesia with lignocaine brachial plexus blockade in orthopedic procedures involving the forelimbs in dogs.
Keywords: Anaesthesia regime;apnea;bradycardia;hyperalgesia;forelimb fracture