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Comparison of ventilatory effects between three-way laryngeal mask airway and tracheal catheter on patients during bronchoalveolar lavage / 中华急诊医学杂志
Chinese Journal of Emergency Medicine ; (12): 65-69, 2011.
Artigo em Chinês | WPRIM | ID: wpr-384398
ABSTRACT
Objective To compare the ventilatory effects between three-way laryngeal mask airway (TLMA)and tracheal catheter (TC) on hemodynamics, respiratory function and stress responses on patients during bronchoalveolar lavage (BAL). Method Forty patients scheduled for BAL under general anesthesia were divided (stratified sampling) into either TLMA group (group T,n = 20) or TC group (group C, n = 20) according to the stratified sampling principle. SpO2, SBP, DBP and HR were measured in 5 min after entering the operating theater (To), just before inserting TLMA or TC(T1), immediately after inserting TLMA or TC(T2) ,3 min(T3), 5 min(T4), 10 min(T5)after mechanical ventilation, 10 min(T6),20 min(T7), 30 min(T8)during the course of BAL,immediately after extubating TLMA or TC (T9)and 3 min after extubating TLMA or TC (T10). The tidal volume (VT), peak inspiratory airway pressure (Ppeak) and end expiratory CO2 pressure(PETCO2)were recorded at T2,T4,T6,T7, T8, T10. The venous blood samples were taken at T0, T2, T3, T4, T6, T9, T10 for the measurements of epinephrine(AE), norepinephrine(NE)and dopamine (DA) levels with high performance liquid chromatography.Data were dealt with SPSS version 10.0 statistic software. The variables of hemodynamics and stress responses were analyzed with ANOVA of repeating test data. P < 0.05 means the difference in statistical significance. Results In group C, SBP, DBP and HR were significantly higher than those in group T at T2 ,T3 ,T9 (P < 0.05). In group C, the levels of Ppeak were significantly higher than those in group T at T6 ,T7 ,T8 (P < 0.05), and the concentrations of AE, NE and DA were also significantly higher in group C than those in group T at T2, T3 and T9 (P <0.05). Conclusions Ventilation with TLMA in patients during BAL is better than TC in respects of keeping stable ventilation, stable hemodynamics and producing less stress responses.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Emergency Medicine Ano de publicação: 2011 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Chinese Journal of Emergency Medicine Ano de publicação: 2011 Tipo de documento: Artigo