Evaluation of the paw withdrawal latency for the comparison between tramadol and butorphanol administered locally, in the plantar surface of rat, preliminary study.

The aim of the study was to evaluate the analgesic efficacy of tramadol compared to butorphanol administered locally in ventral surface of the hind paw of rats. Prospective, randomized experimental study; twenty-one adult male Wistar rats were selected. Heart rate (beats minute-1), respiratory rate...

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Autores principales:	Claudia Interlandi, Fabio Leonardi, Filippo Spadola, Giovanna Lucrezia Costa
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a05fde764ea2429995463dfe3429fde3
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spelling	oai:doaj.org-article:a05fde764ea2429995463dfe3429fde32021-12-02T20:04:49ZEvaluation of the paw withdrawal latency for the comparison between tramadol and butorphanol administered locally, in the plantar surface of rat, preliminary study.1932-620310.1371/journal.pone.0254497https://doaj.org/article/a05fde764ea2429995463dfe3429fde32021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0254497https://doaj.org/toc/1932-6203The aim of the study was to evaluate the analgesic efficacy of tramadol compared to butorphanol administered locally in ventral surface of the hind paw of rats. Prospective, randomized experimental study; twenty-one adult male Wistar rats were selected. Heart rate (beats minute-1), respiratory rate (breaths minute-1), and paw withdrawal latency (onset of radiant heat until paw withdrawal/seconds) were measured prior (T0) and after (T5, T10, T15, T20) intraplantar injection with saline solution 0,9% (group S), butorphanol 1 mg kg-1 (group B), and tramadol 1 mg kg-1 (group T). Shapiro-Wilk normality test and Friedman test were used to analyze the data expressed by median and range. Statistical significance was set at p < 0.05. Statistical analysis of heart rate showed that there were significant differences between groups at different monitoring times. There were no significant differences in respiratory rate after intraplantar injection in any of the treatment groups. The paw withdrawal latency values at T5, T10, and T15 minutes after intraplantar injection in the group B were significantly higher compared to baseline value and to the values of the other groups. The paw withdrawal latency were no significant changes in the measurements of intragroup in S and T. Intraplantar administration of butorphanol provides a good analgesia and significantly increases paw withdrawal latency compared to tramadol. Intraplantar injection of butorphanol could be useful and safe and safe technique to achieve local analgesia for minor surgical procedures in rats.Claudia InterlandiFabio LeonardiFilippo SpadolaGiovanna Lucrezia CostaPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 7, p e0254497 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Claudia Interlandi Fabio Leonardi Filippo Spadola Giovanna Lucrezia Costa Evaluation of the paw withdrawal latency for the comparison between tramadol and butorphanol administered locally, in the plantar surface of rat, preliminary study.
description	The aim of the study was to evaluate the analgesic efficacy of tramadol compared to butorphanol administered locally in ventral surface of the hind paw of rats. Prospective, randomized experimental study; twenty-one adult male Wistar rats were selected. Heart rate (beats minute-1), respiratory rate (breaths minute-1), and paw withdrawal latency (onset of radiant heat until paw withdrawal/seconds) were measured prior (T0) and after (T5, T10, T15, T20) intraplantar injection with saline solution 0,9% (group S), butorphanol 1 mg kg-1 (group B), and tramadol 1 mg kg-1 (group T). Shapiro-Wilk normality test and Friedman test were used to analyze the data expressed by median and range. Statistical significance was set at p < 0.05. Statistical analysis of heart rate showed that there were significant differences between groups at different monitoring times. There were no significant differences in respiratory rate after intraplantar injection in any of the treatment groups. The paw withdrawal latency values at T5, T10, and T15 minutes after intraplantar injection in the group B were significantly higher compared to baseline value and to the values of the other groups. The paw withdrawal latency were no significant changes in the measurements of intragroup in S and T. Intraplantar administration of butorphanol provides a good analgesia and significantly increases paw withdrawal latency compared to tramadol. Intraplantar injection of butorphanol could be useful and safe and safe technique to achieve local analgesia for minor surgical procedures in rats.
format	article
author	Claudia Interlandi Fabio Leonardi Filippo Spadola Giovanna Lucrezia Costa
author_facet	Claudia Interlandi Fabio Leonardi Filippo Spadola Giovanna Lucrezia Costa
author_sort	Claudia Interlandi
title	Evaluation of the paw withdrawal latency for the comparison between tramadol and butorphanol administered locally, in the plantar surface of rat, preliminary study.
title_short	Evaluation of the paw withdrawal latency for the comparison between tramadol and butorphanol administered locally, in the plantar surface of rat, preliminary study.
title_full	Evaluation of the paw withdrawal latency for the comparison between tramadol and butorphanol administered locally, in the plantar surface of rat, preliminary study.
title_fullStr	Evaluation of the paw withdrawal latency for the comparison between tramadol and butorphanol administered locally, in the plantar surface of rat, preliminary study.
title_full_unstemmed	Evaluation of the paw withdrawal latency for the comparison between tramadol and butorphanol administered locally, in the plantar surface of rat, preliminary study.
title_sort	evaluation of the paw withdrawal latency for the comparison between tramadol and butorphanol administered locally, in the plantar surface of rat, preliminary study.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/a05fde764ea2429995463dfe3429fde3
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Evaluation of the paw withdrawal latency for the comparison between tramadol and butorphanol administered locally, in the plantar surface of rat, preliminary study.

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