Dexmedetomidine and propofol infusion on sedation characteristics in patients undergoing sciatic nerve block in combination with femoral nerve block via anterior approach

Objective: Dexmedetomidine is an α-2 adrenergic agonist having wide range of effects including sedation in mammalian brain, and has analgesic as well as sympatholytic properties. This study aimed to compare the effects of dexmedetomidine and propofol infusion on sedation characteristics in patients...

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Main Authors: Abdulkadir Yektaş, Funda Gümüş, Ayşin Alagol
Format: Article
Language:English
Published: Elsevier 2015-09-01
Series:Brazilian Journal of Anesthesiology
Online Access:http://www.sciencedirect.com/science/article/pii/S0104001414000062
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spelling doaj-953091de566b455985c07f0b168046c02020-11-25T01:13:38ZengElsevierBrazilian Journal of Anesthesiology0104-00142015-09-01655371378Dexmedetomidine and propofol infusion on sedation characteristics in patients undergoing sciatic nerve block in combination with femoral nerve block via anterior approachAbdulkadir Yektaş0Funda Gümüş1Ayşin Alagol2Corresponding author.; Anesthesiology and Reanimation Clinic, Bağcılar Training and Research Hospital, Istanbul, TurkeyAnesthesiology and Reanimation Clinic, Bağcılar Training and Research Hospital, Istanbul, TurkeyAnesthesiology and Reanimation Clinic, Bağcılar Training and Research Hospital, Istanbul, TurkeyObjective: Dexmedetomidine is an α-2 adrenergic agonist having wide range of effects including sedation in mammalian brain, and has analgesic as well as sympatholytic properties. This study aimed to compare the effects of dexmedetomidine and propofol infusion on sedation characteristics in patients undergoing combined sciatic nerve and femoral nerve block via anterior approach for lower limb orthopedic procedure. Methods: Forty patients, who were between 18 and 65 years old, this study was made at anesthesiology clinic of Bağcılar training and research hospital in 08 September 2011 to 07 June 2012, and underwent surgical procedure due to fractures lateral and medial malleol, were included. Sciatic nerve and femoral nerve block were conducted with an anterior approach on all patients included in the study, with an ultrasonography. The patients were randomly divided into dexmedetomidine [Group D (n = 20); 0.5 μg kg−1 h−1] and propofol [Group P (n = 20); 3 mg kg−1 h–1] infusion groups. Results: The vital findings and intra-operative Ramsay sedation scale values were similar in both groups. Time taken for sedation to start and time required for sedation to become over of Group D were significantly higher than those of Group P (p < 0.001 for each). Conclusions: Substitution of dexmedetomidine instead of propofol prolongs the times to start of sedation, the times to end of sedation and duration of sedation. Resumo: Objetivo: Dexmedetomidina é um agonista α2-adrenérgico que tem uma ampla gama de efeitos, incluindo sedação do cérebro de mamíferos, e propriedades tanto analgésicas quanto simpatolíticas. Este estudo teve como objetivo comparar os efeitos de dexmedetomidina e propofol sobre as características da sedação em pacientes submetidos ao bloqueio combinado dos nervos ciático e femoral via abordagem anterior em procedimento ortopédico de membro inferior. Métodos: Quarenta pacientes, entre 18 e 65 anos, submetidos a procedimento cirúrgico por causa de fraturas lateral e medial do maléolo, foram incluídos neste estudo, conduzido no Departamento de Anestesiologia do, Bağcılar Training and Research Hospital de 8 de setembro de 2011 a 7 de junho de 2012. O bloqueio dos nervos ciático e femoral foi feito via abordagem anterior em todos os pacientes incluídos no estudo, com ultrassonografia. Os pacientes foram randomicamente divididos em dois grupos para as infusões de: dexmedetomidina (grupo D [n = 20]; 0,5 μg kg−1 h−1) e propofol (grupo P [n = 20]; 35 mg kg−1 h–1). Resultados: Os sinais vitais e os valores da escala de sedação de Ramsay no período intraoperatório foram semelhantes em ambos os grupos. Os tempos de início e término da sedação no grupo D foram significativamente maiores do que os no grupo P (p < 0,001, respectivamente). Conclusão: O uso de dexmedetomidina em vez de propofol prolonga os tempos de início, término e duração da sedação. Keywords: Dexmedetomidine, Propofol, Sedation, Nerve block, Palavras-chave: Dexmedetomidina, Propofol, Sedação, Bloqueio de nervohttp://www.sciencedirect.com/science/article/pii/S0104001414000062
collection DOAJ
language English
format Article
sources DOAJ
author Abdulkadir Yektaş
Funda Gümüş
Ayşin Alagol
spellingShingle Abdulkadir Yektaş
Funda Gümüş
Ayşin Alagol
Dexmedetomidine and propofol infusion on sedation characteristics in patients undergoing sciatic nerve block in combination with femoral nerve block via anterior approach
Brazilian Journal of Anesthesiology
author_facet Abdulkadir Yektaş
Funda Gümüş
Ayşin Alagol
author_sort Abdulkadir Yektaş
title Dexmedetomidine and propofol infusion on sedation characteristics in patients undergoing sciatic nerve block in combination with femoral nerve block via anterior approach
title_short Dexmedetomidine and propofol infusion on sedation characteristics in patients undergoing sciatic nerve block in combination with femoral nerve block via anterior approach
title_full Dexmedetomidine and propofol infusion on sedation characteristics in patients undergoing sciatic nerve block in combination with femoral nerve block via anterior approach
title_fullStr Dexmedetomidine and propofol infusion on sedation characteristics in patients undergoing sciatic nerve block in combination with femoral nerve block via anterior approach
title_full_unstemmed Dexmedetomidine and propofol infusion on sedation characteristics in patients undergoing sciatic nerve block in combination with femoral nerve block via anterior approach
title_sort dexmedetomidine and propofol infusion on sedation characteristics in patients undergoing sciatic nerve block in combination with femoral nerve block via anterior approach
publisher Elsevier
series Brazilian Journal of Anesthesiology
issn 0104-0014
publishDate 2015-09-01
description Objective: Dexmedetomidine is an α-2 adrenergic agonist having wide range of effects including sedation in mammalian brain, and has analgesic as well as sympatholytic properties. This study aimed to compare the effects of dexmedetomidine and propofol infusion on sedation characteristics in patients undergoing combined sciatic nerve and femoral nerve block via anterior approach for lower limb orthopedic procedure. Methods: Forty patients, who were between 18 and 65 years old, this study was made at anesthesiology clinic of Bağcılar training and research hospital in 08 September 2011 to 07 June 2012, and underwent surgical procedure due to fractures lateral and medial malleol, were included. Sciatic nerve and femoral nerve block were conducted with an anterior approach on all patients included in the study, with an ultrasonography. The patients were randomly divided into dexmedetomidine [Group D (n = 20); 0.5 μg kg−1 h−1] and propofol [Group P (n = 20); 3 mg kg−1 h–1] infusion groups. Results: The vital findings and intra-operative Ramsay sedation scale values were similar in both groups. Time taken for sedation to start and time required for sedation to become over of Group D were significantly higher than those of Group P (p < 0.001 for each). Conclusions: Substitution of dexmedetomidine instead of propofol prolongs the times to start of sedation, the times to end of sedation and duration of sedation. Resumo: Objetivo: Dexmedetomidina é um agonista α2-adrenérgico que tem uma ampla gama de efeitos, incluindo sedação do cérebro de mamíferos, e propriedades tanto analgésicas quanto simpatolíticas. Este estudo teve como objetivo comparar os efeitos de dexmedetomidina e propofol sobre as características da sedação em pacientes submetidos ao bloqueio combinado dos nervos ciático e femoral via abordagem anterior em procedimento ortopédico de membro inferior. Métodos: Quarenta pacientes, entre 18 e 65 anos, submetidos a procedimento cirúrgico por causa de fraturas lateral e medial do maléolo, foram incluídos neste estudo, conduzido no Departamento de Anestesiologia do, Bağcılar Training and Research Hospital de 8 de setembro de 2011 a 7 de junho de 2012. O bloqueio dos nervos ciático e femoral foi feito via abordagem anterior em todos os pacientes incluídos no estudo, com ultrassonografia. Os pacientes foram randomicamente divididos em dois grupos para as infusões de: dexmedetomidina (grupo D [n = 20]; 0,5 μg kg−1 h−1) e propofol (grupo P [n = 20]; 35 mg kg−1 h–1). Resultados: Os sinais vitais e os valores da escala de sedação de Ramsay no período intraoperatório foram semelhantes em ambos os grupos. Os tempos de início e término da sedação no grupo D foram significativamente maiores do que os no grupo P (p < 0,001, respectivamente). Conclusão: O uso de dexmedetomidina em vez de propofol prolonga os tempos de início, término e duração da sedação. Keywords: Dexmedetomidine, Propofol, Sedation, Nerve block, Palavras-chave: Dexmedetomidina, Propofol, Sedação, Bloqueio de nervo
url http://www.sciencedirect.com/science/article/pii/S0104001414000062
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