Is the Ambu aScope 3 Slim single-use fiberscope equally efficient compared with a conventional bronchoscope for management of the difficult airway?

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Is the Ambu aScope 3 Slim single-use fiberscope equally efficient compared with a conventional bronchoscope for management of the difficult airway?

J Clin Anesth. 2016 May;30:68-73

Authors: Fukada T, Tsuchiya Y, Iwakiri H, Ozaki M

Abstract
STUDY OBJECTIVE: The study objective was to evaluate whether the single-use fiberoptic bronchoscope (FOB), Ambu aScope 3 Slim, was equally efficient compared with the conventional reusable FOB, Olympus LF-GP, for nasal fiberoptic intubation in a manikin.
DESIGN: A randomized crossed-over study.
SETTING: The postanesthesia care unit of Tokyo Women's Medical University Hospital.
SUBJECTS: Twenty anesthesiologists who have experienced >50 one-lung ventilation thoracic surgery procedures were invited to participate in this study.
INTERVENTIONS: A 6.5-mm internal diameter cuffed endotracheal tube (ET) was inserted into the manikin under Ambu aScope 3 Slim (group A) or Olympus LF-GP (group C) guidance.
MEASUREMENTS: The following time parameters from the beginning of FOB insertion through a nostril were compared between groups: until vocal cord visualization (T1); visualization of the carina (T2); and proper ET placement, as confirmed by the distance of the ET tip to carina (T3).
MAIN RESULTS: Mean (SD) T1 in group A and group C were 20 seconds (17 seconds) and 14 seconds (12 seconds), respectively (P= .1050). Mean (SD) T2 in group A and group C were 40 seconds (29 seconds) and 25 seconds (15 seconds), respectively (P= .0287). Mean (SD) T3 in group A and group C were 70 seconds (33 seconds) and 50 seconds (22 seconds), respectively (P= .0098). One case in group A had failed intubation
CONCLUSIONS: The Ambu aScope 3 Slim required more time to intubate than the conventional reusable FOB. It requires more rigidity, similar to the conventional FOB for management of the difficult airway.

PMID: 27041269 [PubMed - in process]

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