Myoclonus and urinary retention following subarachnoid morphine injection in a dog

Auteur(s): Kona-Boun, Jean-Jacques; Pibarot, Philippe; Quesnel, Andrée
Résumé: A 5-year-old German Shepherd dog which presented for total hip replacement developed myoclonus and urinary retention after the subarachnoid injection of preservative-free morphine. Myoclonus was resis- tant to treatment, except pentobarbital anesthesia. Urinary retention was treated with bethanechol and subsided within a few days. Involuntary muscular activity can result from the epidural, subarachnoid or systemic injection of various opioid drugs, or as a result of the toxic or irritant e¡ect of preservatives or autologous blood.The latter were not causative factors in this case. Opioid agonist inhibition of central inhi- bitory neurotransmitter action may have explained the myoclonus. Postoperative urinary retention was attributed to the spinal action of morphine inhibiting e¡erent parasympathetic nervous activity. Keywords dog, epidural, myoclonus, opioids, subarachnoid, urinary retention.
Type de document: Article de recherche
Date de publication: 1 octobre 2003
Date de la mise en libre accès: Accès restreint
Version du document: VoR
Lien permanent: http://hdl.handle.net/20.500.11794/8588
Ce document a été publié dans: Veterinary anaesthesia and analgesia, Vol. 30, 257-264 (2003)
https://doi.org/10.1046/j.1467-2995.2003.00076.x
Association of Veterinary Anaesthetists
Autre version disponible: 10.1046/j.1467-2995.2003.00076.x
Collection :Articles publiés dans des revues avec comité de lecture

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