Brazilian Journal of Anesthesiology
https://bjan-sba.org/article/doi/10.1590/S0034-70942013000300008
Brazilian Journal of Anesthesiology
Scientific Article

Aplicação do monitor Narcotrend® para avaliar a profundidade da anestesia em crianças submetidas à cirurgia cardíaca: estudo prospectivo e controlado

Application of Narcotrend® monitor for evaluation of depth of anesthesia in infants undergoing cardiac surgery: a prospective control study

Yiyan Jiang; Bin Qiao; Lili Wu; Xiaona Lin

http://dx.doi.org/10.1590/S0034-70942013000300008 Braz J Anesthesiol, vol.63, n3, p.273-278, 2013
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Resumo

JUSTIFICATIVA E OBJETIVOS: Investigar a eficácia clínica, segurança e viabilidade do monitor Narcotrend® para avaliar a profundidade da anestesia em crianças com doença cardíaca congênita (DCC) submetidas à cirurgia cardíaca. MÉTODOS: Foram randomicamente selecionadas 80 crianças submetidas à anestesia geral em cirurgia seletiva. As crianças foram divididas em dois grupos de forma aleatória (n = 40 por grupo). No grupo Narcotrend, a profundidade da anestesia foi monitorada com o Narcotrend. No grupo padrão, a profundidade da anestesia foi controlada de acordo com a experiência clínica. A pressão arterial média (PAM) e a frequência cardíaca (FC) foram determinadas e a dose de fentanil e relaxante muscular e os tempos de recuperação e de extubação foram registrados. RESULTADOS: Em ambos os grupos, os sinais vitais apresentaram-se estáveis durante a cirurgia. No grupo Narcotrend, a PAM e a FC foram mais estáveis, a dose total de fentanil e relaxante muscular significativamente menor e os tempos de recuperação e extubação acentuadamente mais reduzidos em comparação com o grupo padrão. CONCLUSÃO: A aplicação do monitor Narcotrend para medir a profundidade da anestesia foi útil para controlar a profundidade da anestesia em crianças com DCC que receberam anestesia intravenosa total, na qual uma pequena quantidade de narcóticos pode obter a anestesia ideal. Além disso, os tempos de recuperação e extubação foram menores e os efeitos secundários, como sensibilização intraoperatória, puderam ser evitados.

Palavras-chave

DOENÇAS, Congênita, Lactente, MONITORAÇÃO, TÉCNICAS ANESTÉSICAS, Geral, venosa, TÉCNICAS DE MEDIÇÃO, Eletroencefalografia

Abstract

BACKGROUND AND OBJECTIVES: To investigate the clinic effectiveness, safety and feasibility of Narcotrend® monitor for evaluation of depth of anesthesia in congenital heart disease (CHD) infants undergoing cardiac surgery. METHODS: A total of 80 infants receiving general anesthesia in selective surgery were randomly selected. Infants were assigned into two groups (n = 40 per group). In the Narcotrend group, the depth of anesthesia was monitored with the Narcotrend monitor. In the standard group, the depth of anesthesia was controlled according to the experience. The mean arterial pressure (MAP) and heart rate (HR) were determined, as well as the dose of fentanyl, muscle relaxant, recovery time and extubation time were recorded. RESULTS: In both groups, vital signs were stable during the surgery. When compared with the standard group, the MAP and HR were more stable, the total dose of fentanyl and muscle relaxant were significantly reduced and the recovery time and extubation time were markedly shortened in the Narcotrend group. CONCLUSION: The application of Narcotrend monitor was beneficial to the control of the depth of anesthesia in CHD infants receiving total intravenous anesthesia, in which small amount of narcotics can achieve optimal anesthesia. Moreover, the recovery time and extubation time are reduced and the harmful consequence such as intraoperative awareness can be avoided.

Keywords

Electroencephalography, Infant, Heart Diseases, Anesthesia, Intravenous, Monitoring

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