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find Author "YANGLing-lin" 1 results
  • Comparison of Two Approaches of Anesthesia in Patients with Preoperative Bronchoscopy

    ObjectiveTo evaluate the clinical effects of nebulized lidocaine anesthesia and anesthesia with lidocaine and midazolam in patients with preoperative bronchoscopy. MethodsTotally, 136 inpatients between May 2002 and June 2013 with preoperative bronchoscopy were included in the study. The patients were randomly assigned to experimental group and control group with 68 patients in each. For patients in the experimental group, 8 mL of 2% lidocaine was administered through inhalation anesthesia, followed by 2-3 mg bolus of midazolam, and subsequently 0.5 mg of midazolam was administered every 2 minutes depending on patients' awareness. Patients in the control group accepted lidocaine alone for anesthesia. The clinical efficacy and adverse effects of both the two ways of anesthesia were observed. ResultsThe time of sustained and effective anesthesia was (24.5±2.8) minutes in the experimental group, as compared with (16.8±2.1) minutes in the control group (P<0.01). The average amount of consumption of lidocaine was (12.4±1.3) mL in the experimental group, as compared with (16.8±1.5) mL in the control group (P<0.01). The heart rate at 5 min after operation was (81.5±19.5) beats/min in the experimental group, as compared with (94.6±34.6) beats/min in the control group (P<0.01). The mean pulse oxygen saturation at 5 min after operation was (93.5±3.6)% in the experimental group, as compared with (88.2±13.3)% in the control group (P<0.01). ConclusionCombined application of lidocaine and midazolam before bronchoscopy is simple and feasible for anesthesia, which has higher success rate, lesser side effects and other reactions such as body movement and coughing.

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