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Study aim
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Checking the effects of laryngotracheal anesthesia on the ease of bronchoscopy in children.
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Design
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Clinical trial with intervention and control groups, with parallel groups, double-blind, randomized, sample of 64 patients. Randlist software was used for randomization.
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Settings and conduct
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All patients candidate for pediatric bronchoscopy and undergoing laryngotracheal anesthesia at Tabriz pediatric Hospital will be included in this study. Patients are randomly assigned to two intervention and control groups.In intervention group, lidocaine and in control group, normal saline will be used to compare the effects of McKenzie's laryngotracheal anesthesia on rigid bronchoscopy in children. In this study, the patient and anesthesiologist are blinded to study.
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Participants/Inclusion and exclusion criteria
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Inclusion criteria:
All children under the age of seven,
With ASA grade,class I&II ,
Candidate for rigid bronchoscopy,
Exclusion criteria:
Head and neck anomalies,
Feverish patients,
Children with airway anomalies,
Children with underlying disease.
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Intervention groups
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Intervention group:In this group after induction and laryngoscopy, the blend of lidocaine 2%(Caspian Taamin pharmaceutical company)0.3milliliter per kilogram with oxygen in the laryngotracheal area will be flashed by the McKenzie method(A kind of anesthesia method).
Control group:In this group,0.3 milliliter per kilogram normal saline 0.9% (Saamen pharmaceutical company )with oxygen in the laryngotracheal region,will be flashed by McKenzie method(A kind of anesthesia method).
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Main outcome variables
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Ease of bronchoscopy, blood pressure , heart rate, oxygen saturation.