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Study aim
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Comparative study of nasal fiberoptic intubation Vs. fiberoptic intubation through laryngeal mask airway for difficult airway management in childeren
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Design
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This clinical trial study has a control group, with parallel groups , single blind on 40 pationts,with stratified block randomization.
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Settings and conduct
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This study will be conducted at Mofid Children's Hospital.
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Participants/Inclusion and exclusion criteria
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Inclusion criteria: children aged 6 months to 6 years with ASAI class and ASAII candidate for elective surgery who have difficulty intubating with clinical criteria.Exclusion Criteria: congenital heart and respiratory diseases, productive cough, fever, wheezing or cracking in the lung hearing, cancellation of surgery after the patient enters the operating room and cancellation of parental cooperation
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Intervention groups
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first Intervention group: Two minutes after prescribing intravenous drugs, we insert the bronchoscope through the nose, and after seeing the vocal cords, we insert the tracheal tube, which we had already inserted into the bronchoscope, into the trachea with a bronchoscope guide. second Intervention group: Two minutes after intravenous drug administration, the patient will be implanted with LMA and then inserted a fiber optic bronchoscope through the laryngeal mask, and after seeing the vocal cords, we insert the tracheal tube that we had previously inserted into the bronchoscope.
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Main outcome variables
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The duration of intubation (from the time of initiation fiber optic intubation to the end of the time the tracheal tube enters to the trachea ) is based on seconds.mean arterial pressure, heart rate and SPO2, before prescribing intravenous drugs, immediately before bronchoscopy and immediately After intubation will be recorded