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Target-controlled infusion of etomidate and remifentanil for endobronchial ultrasound-guided transbronchial needle aspiration / 中华麻醉学杂志
Chinese Journal of Anesthesiology ; (12): 317-319, 2012.
Artículo en Chino | WPRIM | ID: wpr-426309
ABSTRACT
Objective To investigate the effectiveness of target-controlled infusion (TCI) of etomidate and remifentanil for endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA).Methods Sixtynine ASA Ⅰ or Ⅱ patients of both sexes,aged 35-71 yr,weighing 41-83 kg,scheduled for elective EBUS-TBNA,were randomly divided into 3 groups ( n =23 each).In group Ⅰ,anesthesia was induced with TCI of propofol and iv injection of fentanyl 4 μg/ml,and the target plasma concentration (Cp) of propofol was set at 3-4 μg/ml.In group Ⅱ ,anesthesia was induced with TCI of propofol ( Cp 3-4 μg/ml) and remifentanil ( Cp 5 ng/ml).In group Ⅲ ,anesthesia was induced with TCI of etomidate (Cp 0.3-0.4 μg/ml) and remifentanil (Cp 5 ng/ml).After the patients lost consciousness,laryngeal mask airway was inserted to perform mechanical ventilation.PETCO2 was maintained at 30-40 mm Hg.BIS value was maintained at 40-60.The use of vasoactive agents (perdipine,ephedrine,atropine and esmolol) and occurrence of bucking during operation,emergence time,and the occurrence of nausea and vomiting within 24 h after operation were recorded.Blood samples were collected from the femoral vein at 30 min before induction,at the end of operation and at 24 h after operation for determination of the plasma cortisol concentration.Results The incidence of bucking and nausea and vomiting was significantly lower,the emergence time was significantly shorter,and the number of patients who needed vasoactive agents during operation was significantly smaller in groups Ⅱ and Ⅲ than in group Ⅰ ( P < 0.05).The number of patients who needed vasoactive agents during operation was significantly smaller in group Ⅲ than in group Ⅱ (P <0.05).Compared with groups Ⅰ and Ⅱ,the plasma cortisol concentration was significantly decreased at the end of operation in group Ⅲ (P < 0.05).There was no significant difference in the plasma cortisol concentration at each time point between groups Ⅰ and Ⅱ (P>0.05).Conclusion TCI of etomidate (Cp 0.3-0.4 μg/ml) and remifentanil (Cp 5 ng/ml) can provide satisfactory anesthesia for EBUS-TBNA with few adverse effects.

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Journal of Anesthesiology Año: 2012 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Idioma: Chino Revista: Chinese Journal of Anesthesiology Año: 2012 Tipo del documento: Artículo