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A comparison of dexmedetomidine and midazolam in patients during combined spinal and epidural anesthesia / 中国医师进修杂志
Article en Zh | WPRIM | ID: wpr-435958
Biblioteca responsable: WPRO
ABSTRACT
Objective To compare the influence for intravenous dexmedetomidine and midazolam during combined spinal and epidural anesthesia (CSEA) on sedation,respiratory and circulatory.Methods Ninety patients with lower extremity fractures and internal fixation,were divided into dexmedetomidine group,midazolam group and control group by random digits table with 30 cases each.CSEA was performed at L3-4 interspace.After block reached T8 level,dexmedetomidine,midazolam and 0.9% sodium chloride were given to the three groups.Ramsay score,mean arterial pressure (MAP),heart rate (HR),partial pressure of carbon dioxide in end expiratory gas (PErCO2),respiratory rate (RR) were recorded before anesthesia(T0),after CSEA (T1),and 10,15,30,45,60 min after giving drug (T2-T6),and intraoperative awareness was recorded.Results Ramsay score in dexmedetomidine group and midazolam group at T2-T6 were higher than those in the group T0,T1 and concurrent control group (P < 0.05),MAP were lower than those in the group T0,T1 and concurrent control group (P < 0.05).HR in dexmedetomidine group at T2-T6 were lower than those in concurrent midazolam group and control group (P < 0.05).PETCO2 in midazolam group at T2-T6 were higher than those in concurrent dexmedetomidine group and control group (P < 0.05),RR were lower than those in concurrent dexmedetomidine group and control group (P < 0.05).The rate of intraoperative awareness in dexmedetomidine group and midazolam group was lower than that in control group [16.7%(5/30) and 13.3%(4/30) vs.93.3%(28/30),P<0.05].Conclusions Dexmedetomidine and midazolam provide good sedation to reduce intraoperative awareness,slight inhibition of blood pressure.Dexmedetomidine can decrease HR,but it does not influence respiratory function.Midazolam restrains respiratory function.
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Texto completo: 1 Índice: WPRIM Idioma: Zh Revista: Chinese Journal of Postgraduates of Medicine Año: 2013 Tipo del documento: Article
Texto completo: 1 Índice: WPRIM Idioma: Zh Revista: Chinese Journal of Postgraduates of Medicine Año: 2013 Tipo del documento: Article