Objective: To study the clinical value of sufentanil combined with midazolam and propofol applied in tracheal intubation without muscle relaxants for children. Methods: A total of 93 children who underwent short operation and tracheal intubation without muscle relaxants were randomized into group A, group B and group C, 31 cases in each group. All groups were treated with sufentanil combined with midazolam and propofol induced anesthesia, and the doses of sufentanil were 0.3, 0.4 and 0.5 μg·kg-1 respectively. The Viby-Mogensen score was used to evaluate the status of tracheal intubation and the success rate was recorded. The basic value, changes of heart rate(HR), systolic blood pressure(SBP), diastolic blood pressure(DBP) and mean arterial pressure(MAP) after induction of anesthesia(T0), immediately after intubation(T1), 1 min after intubation(T2), 3 min after intubation(T3) and 5 min after intubation(T4) were recorded. At postoperative 2, 4, 8, 12 and 24 h, the sedation scores and pain scores in all groups were recorded respectively. The incidence rates of adverse reactions were observed. Results: All groups completed intubation, and the success rate was 100%. The effect of tracheal intubation was better in group C, but there were no significant differences between groups(P>0.05); HR, MAP, DBP and SBP were increased abnormally in the three groups at the time of tracheal intubation. Compared with other time points, there were significant differences(P<0.05). Meanwhile, all levels showed C→B→A increasing trend. The degree of postoperative pain in group C was the lightest but there were no significant differences between the groups(P>0.05). There were no significant differences in postoperative Ramsay scores and the incidence of adverse reactions between the groups(P>0.05). Conclusion: Sufentanil combined midazolam and propofol can meet the anesthesia requirement of tracheal intubation without muscle relaxants in children. The doses of sufentanil with cardiovascular responses when performing tracheal intubation are dose-dependent. 0.04 μg·kg-1 sufentanil can well inhibit adverse stress, so as to ensure the effect of tracheal intubation. There are no significant adverse reactions. |
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