Tabagismo e efeito de dexmedetomidina e fentanil na intubação traqueal

Kemal Gulsoy; Serpil Deren; Semih Baskan; Dilsen Ornek; Bayazit Dikmen

doi:10.1590/S0034-70942012000200002

Scientific Article

Tabagismo e efeito de dexmedetomidina e fentanil na intubação traqueal

Cigarette smoking and the effect of dexmedetomidine and fentanyl on tracheal intubation

Kemal Gulsoy; Serpil Deren; Semih Baskan; Dilsen Ornek; Bayazit Dikmen

http://dx.doi.org/10.1590/S0034-70942012000200002 Braz J Anesthesiol, vol.62, n2, p.147-153, 2012

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Resumo

JUSTIFICATIVA E OBJETIVOS: Comparar os efeitos de dexmedetomidina e fentanil sobre as alterações hemodinâmicas em fumantes crônicos do sexo masculino. MÉTODOS: Este é um estudo prospectivo, randômico e cego. Sessenta pacientes do sexo masculino, tabagistas crônicos, com idades entre 16 e 60 anos foram selecionados. Os pacientes foram alocados aleatoriamente em dois grupos: Grupo D (n = 30) recebeu 1 µg.kg-1 de dexmedetomidina e Grupo F (n = 30) recebeu 3 µg.kg-1 de fentanil em 150 mL de solução salina normal, com início 10 minutos antes da indução da anestesia. Antes da intubação, a frequência cardíaca e a pressão arterial dos pacientes foram medidas. Após a indução da anestesia para intubação endotraqueal, a frequência cardíaca e os valores da pressão arterial foram novamente medidos 1, 3 e 5 minutos após a intubação. RESULTADOS: A frequência cardíaca estava baixa no Grupo D antes da indução da anestesia, intubação e no primeiro e terceiro minutos pósintubação. A pressão arterial sistólica estava baixa no Grupo F antes da intubação. Embora a pressão arterial diastólica estivesse menor antes da indução da anestesia e aos 5 minutos após a intubação em ambos os grupos, ela já estava baixa no Grupo F antes mesmo da intubação. Enquanto a pressão arterial média estava baixa no Grupo D antes da indução anestésica, ela estava baixa no Grupo F antes da intubação. Os valores para o duplo produto (frequência cardíaca vezes pressão arterial sistólica) estavam baixos no Grupo D antes da indução e no 1º e 3º minutos após a intubação. CONCLUSÕES: A dexmedetomidina, aplicada em fumantes crônicos do sexo masculino via infusão a uma dose de 1 µg.kg-1 10 minutos antes de indução anestésica, controla melhor as elevações da frequência cardíaca e do duplo produto a 1 e 3 minutos após a intubação, comparado ao grupo que recebeu 3 µg.kg-1 de fentanil.

Palavras-chave

ANALGÉSICOS, Tabagismo, COMPLICAÇÕES, INTUBAÇÃO TRAQUEAL, MONITORAÇÃO, ANALGÉSICOS, Tabaquismo, COMPLICACIONES, INTUBACIÓN TRAQUEAL, MONITORACIÓ

Abstract

BACKGROUND AND OBJECTIVES: To compare the effect of dexmedetomidine and fentanyl on hemodynamic changes in chronic male smokers. METHODS: This is a prospective, randomized, blinded study. Were selected 60 chronic male smokers (aged 16 to 60 years). The patients were randomly divided into two groups: Group D (n = 30) received 1 µg.kg-1 dexmedetomidine and Group F (n = 30) received 3 µg.kg-1 fentanyl in 150 mL of normal saline, beginning 10 minutes before anesthesia induction. Before intubation, the heart rate and blood pressure of patients were measured. After anesthesia induction for endotracheal intubation, heart rate and blood pressure values were measured at 1, 3, and 5 minutes after intubation. RESULTS: Heart rate was low in Group D before anesthesia induction, intubation, and at the 1st and 3rd minutes after intubation. Systolic arterial pressure was low in Group F before intubation. Although diastolic arterial pressure was lower before anesthesia induction and at 5 minutes after intubation in both groups, it was already low in Group F before intubation. Whereas the mean arterial pressure was low in Group D before anesthesia induction, it was low in Group F before intubation. The values for rate-pressure product were low in Group D before induction and at 1 and 3 minutes after intubation. CONCLUSIONS: Dexmedetomidine, which was applied via infusion at a loading dose of 1 µg.kg-1 10 minutes before anesthesia induction in chronic male smokers, better suppressed increases in heart rate and rate-pressure product at 1 and 3 minutes after intubation compared to the group receiving 3 µg.kg-1 fentanyl.

Keywords

Dexmedetomidine, Hemodynamics, Intratracheal intubation, Monitoring, Intraoperative, Smoking

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Tabagismo e efeito de dexmedetomidina e fentanil na intubação traqueal

Cigarette smoking and the effect of dexmedetomidine and fentanyl on tracheal intubation

Kemal Gulsoy; Serpil Deren; Semih Baskan; Dilsen Ornek; Bayazit Dikmen

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