摘要：Objective To explore a feasible method of anesthesiafor painless bronchoscopy. Methods A total of 120patients receiving flexible bronchoscopy in Beijing TiantanHospital during the period from February,8,2018 toMay,4,2018,were randomly divided into 3 groups,includinggroup A ( using lidocaine for local anesthesia),group B ( using lidocaine + midazolam + fentanyl),and group C ( using lidocaine + propofol + sufentanil).There were 41 patients in group A,38 in group Band 41 in group C. The changes in systolic blood pressure,diastolic blood pressure,heart rate and pulse oxygensaturation ( SpO2) in each group were recorded indifferent points of time. The safety of different methods ofanesthesia was observed by recording vital signs and adverseevents. Moreover, the visual analogue scale(VAS) was used to observe the patient's tolerance andsatisfaction of the operation.

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