Turkish journal of medical sciences · 2021
Two different methods of lidocaine inhalation before diagnostic flexible bronchoscopy: effects on post-bronchoscopy respiratory symptoms.
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Yüksel Hasan, Yaşar Adem, Açıkel Arzu, Topçu İsmet, Yılmaz Özge
Аннотация
BACKGROUND/AIM: Use of topical anesthesia before flexible bronchoscopy for the evaluation of the upper airways prevents cough and stridor during and after the procedure while reducing the need for sedation. In practice, lidocaine is the medication of choice before bronchoscopy. There various types of nebulizers used for inhalation treatments. In this study, we compared the respiratory tract symptoms after flexible bronchoscopy between children who received pre-procedure topical lidocaine with mesh or jet nebulizers.
MATERIALS AND METHODS: We enrolled 4–18 years old subjects that underwent flexible bronchoscopy due to treatment-resistant asthma in this retrospective case-control study. Twenty subjects received topical lidocaine with jet nebulizers while 20 received it with mesh nebulizers. Age, sex, duration of bronchoscopy, duration of anesthesia, time to awaken, and time to recovery were recorded as well as cough and laryngospasm scores after flexible bronchoscopy.
RESULTS: Severe cough after flexible bronchoscopy was not encountered in the mesh nebulizers group but was seen in 10% of the jet nebulizers group (p = 0.027). On the other hand, age, sex, duration of bronchoscopy, duration of anesthesia, time to awaken, and time to recovery were not significantly different between the mesh and jet nebulizer groups (p = 0.44, 0.34, 0.51, 0.88, 0.88, and 0.22, respectively). Moreover, croup and laryngospasm scores between the two groups were similar (p = 0.62, 0.50 respectively). Cough score was significantly worse jet nebulizers group (p = 0.03).
CONCLUSION: Topical lidocaine application with mesh nebulizers decreases the most common complication, cough, after flexible bronchoscopy in children more effectively compare to jet nebulizers. Thus, mesh nebulizers may be a faster way of nebulization before flexible bronchoscopy as an alternative to jet nebulizers.
MATERIALS AND METHODS: We enrolled 4–18 years old subjects that underwent flexible bronchoscopy due to treatment-resistant asthma in this retrospective case-control study. Twenty subjects received topical lidocaine with jet nebulizers while 20 received it with mesh nebulizers. Age, sex, duration of bronchoscopy, duration of anesthesia, time to awaken, and time to recovery were recorded as well as cough and laryngospasm scores after flexible bronchoscopy.
RESULTS: Severe cough after flexible bronchoscopy was not encountered in the mesh nebulizers group but was seen in 10% of the jet nebulizers group (p = 0.027). On the other hand, age, sex, duration of bronchoscopy, duration of anesthesia, time to awaken, and time to recovery were not significantly different between the mesh and jet nebulizer groups (p = 0.44, 0.34, 0.51, 0.88, 0.88, and 0.22, respectively). Moreover, croup and laryngospasm scores between the two groups were similar (p = 0.62, 0.50 respectively). Cough score was significantly worse jet nebulizers group (p = 0.03).
CONCLUSION: Topical lidocaine application with mesh nebulizers decreases the most common complication, cough, after flexible bronchoscopy in children more effectively compare to jet nebulizers. Thus, mesh nebulizers may be a faster way of nebulization before flexible bronchoscopy as an alternative to jet nebulizers.