Lidocaine Administration on the Throat Under Amnesia Improves Patient Satisfaction in Flexible Bronchoscopy

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Background. Patients expect flexible bronchoscopy to be painless and completely safe. The purpose of this study was to show how patient satisfaction improved and how the lidocaine dose was reduced in a new bronchoscopy method. Methods. Group A was composed of 28 patients who underwent bronchoscopy as follows (conventional method): (1) lidocaine administration in the throat using jelly, by nebulizer and spray, (2) injection of midazolam until achieving amnesia, and (3) the bolus administration of lidocaine into the airway. Group B was composed of 29 patients who underwent bronchoscopy as follows (new method): (1) lidocaine administration by nebulizer, (2) injection of midazolam until achieving amnesia, and (3) lidocaine spray through a catheter to the throat, trachea and bronchi. Patient satisfaction was classified into 5 categories; very poor, poor, fair, good, excellent. Results. The mean dose of lidocaine (334±81mg) in group B was significantly lower than 450±67mg in group A. In group A, the percentage of patients who felt "excellent" or "good" was 21% during premedication, 89% during the bronchoscopic procedure, 75% after the bronchoscopic procedure, and 75% during the total procedure. In group B, the percentage of patients who felt "excellent" or "good" was 48% in premedication, 90% during the bronchoscopic procedure, 66% after the bronchoscopic procedure, and 86% during the total procedure. The degree of patient satisfaction during premedication in group B was significantly higher than in group A. Conclusion. Lidocaine administration to the throat during amnesia can improve patient satisfaction. Lidocaine dosage can be reduced by using lidocaine spray through a catheter in a bronchoscopy.
2010-09-25

Lidocaine Administration on the Throat Under Amnesia Improves Patient Satisfaction in Flexible Bronchoscopy

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