Summary
The laboratory piglet is currently the preferred animal for experimental digestive surgery. In order to ensure optimal perioperative analgesic control with motor blockade during surgery together with rapid postoperative recovery, epidural anesthesia techniques were developed in this animal. We report the anatomo-radiologic studies (10 animals) and clinical experiments (51 transplantations of the liver and the small intestine) which led to the refinement of this anesthesia. In laboratory piglets, epidural anesthesia by distal transsacral (S4–S5) or sacrococcygeal approach is possible in a reproducible manner. The localization of the injection site is simple and epidural space catheterisation is easy without risk for the dural sac which ends at S1–S2.
Résumé
Le porcelet de laboratoire devient l'animal préféré en chirurgie digestive expérimentale. Dans le but d'assurer un contrôle analgésique périopératoire optimal avec un bloc moteur satisfaisant et la possibilité de réveiller rapidement l'animal à la fin de l'intervention, des techniques d'anesthésie épidurale ont été développées. Nous rapportons les études anatomo-radiologiques (10 animaux) et cliniques (51 transplantations de foie et d'intestin grêle) conduisant à la mise au point de cette anesthésie. Pour le porcelet de laboratoire, l'anesthésie épidurale par un abord trans-sacral distal (S4–S5) ou sacro-coccygien est possible de façon reproductible. La localisation du site d'injection est simple et le catéthérisme de l'espace épidural est aisé, sans risque pour le cul-de-sac dural qui se termine au niveau de S1–S2.
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Richer, J.P., Lacoste, L., Faure, J.P. et al. Sacrococcygeal and transsacral epidural anesthesia in the laboratory pig: a model for experimental surgery. Surg Radiol Anat 20, 431–435 (1998). https://doi.org/10.1007/BF01653136
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DOI: https://doi.org/10.1007/BF01653136