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Evaluation of a single-use intubating videoscope (Ambu aScope ™) in three airway training manikins for oral intubation, nasal intubation and intubation via three supraglottic airway devices.
Anaesthesia. 2011 Apr; 66(4):293-9.A

Abstract

We compared the Ambu aScope™ with a conventional fibrescope in two simulated settings. First, 22 volunteers performed paired oral and nasal fibreoptic intubations in three different manikins: the Laerdal Airway Trainer, Bill 1 and the Airsim (a total of 264 intubations). Second, 21 volunteers intubated the Airway Trainer manikin via three supraglottic airways: classic and intubating laryngeal mask airways and i-gel (a total of 66 intubations). Performance of the aScope was good with few failures and infrequent problems. In the first study, choice of fibrescope had an impact on the number of user-reported problems (p=0.004), and user-assessed ratings of ease of endoscopy (p<0.001) and overall usefulness (p<0.001), but not on time to intubate (p=0.19), or ease of railroading (p=0.72). The manikin chosen and route of endoscopy had more consistent effects on performance: best performance was via the nasal route in the Airway Trainer manikin. In the second study, the choice of fibrescope did not significantly affect any performance outcome (p=0.3), but there was a significant difference in the speed of intubation between the devices (p=0.02) with the i-gel the fastest intubation conduit (mean (SD) intubation time i-gel 18.5 (6.8) s, intubating laryngeal mask airway = 24.1 (11.2) s, classic laryngeal mask airway = 31.4 (32.5) s, p=0.02). We conclude that the aScope performs well in simulated fibreoptic intubation and (if adapted for untimed use) would be a useful training tool for both simulated fibreoptic intubation and conduit-assisted intubation. The choice of manikin and conduit are also important in the success of such training. This manikin study does not predict performance in humans and a clinical study is required.

Authors+Show Affiliations

Department of Anaesthesia, Royal United Hospital, Combe Park, Bath, UK.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Evaluation Study
Journal Article

Language

eng

PubMed ID

21401543

Citation

Scutt, S, et al. "Evaluation of a Single-use Intubating Videoscope (Ambu aScope ™) in Three Airway Training Manikins for Oral Intubation, Nasal Intubation and Intubation Via Three Supraglottic Airway Devices." Anaesthesia, vol. 66, no. 4, 2011, pp. 293-9.
Scutt S, Clark N, Cook TM, et al. Evaluation of a single-use intubating videoscope (Ambu aScope ™) in three airway training manikins for oral intubation, nasal intubation and intubation via three supraglottic airway devices. Anaesthesia. 2011;66(4):293-9.
Scutt, S., Clark, N., Cook, T. M., Smith, C., Christmas, T., Coppel, L., & Crewdson, K. (2011). Evaluation of a single-use intubating videoscope (Ambu aScope ™) in three airway training manikins for oral intubation, nasal intubation and intubation via three supraglottic airway devices. Anaesthesia, 66(4), 293-9. https://doi.org/10.1111/j.1365-2044.2011.06647.x
Scutt S, et al. Evaluation of a Single-use Intubating Videoscope (Ambu aScope ™) in Three Airway Training Manikins for Oral Intubation, Nasal Intubation and Intubation Via Three Supraglottic Airway Devices. Anaesthesia. 2011;66(4):293-9. PubMed PMID: 21401543.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Evaluation of a single-use intubating videoscope (Ambu aScope ™) in three airway training manikins for oral intubation, nasal intubation and intubation via three supraglottic airway devices. AU - Scutt,S, AU - Clark,N, AU - Cook,T M, AU - Smith,C, AU - Christmas,T, AU - Coppel,L, AU - Crewdson,K, Y1 - 2011/02/24/ PY - 2011/3/16/entrez PY - 2011/3/16/pubmed PY - 2011/5/3/medline SP - 293 EP - 9 JF - Anaesthesia JO - Anaesthesia VL - 66 IS - 4 N2 - We compared the Ambu aScope™ with a conventional fibrescope in two simulated settings. First, 22 volunteers performed paired oral and nasal fibreoptic intubations in three different manikins: the Laerdal Airway Trainer, Bill 1 and the Airsim (a total of 264 intubations). Second, 21 volunteers intubated the Airway Trainer manikin via three supraglottic airways: classic and intubating laryngeal mask airways and i-gel (a total of 66 intubations). Performance of the aScope was good with few failures and infrequent problems. In the first study, choice of fibrescope had an impact on the number of user-reported problems (p=0.004), and user-assessed ratings of ease of endoscopy (p<0.001) and overall usefulness (p<0.001), but not on time to intubate (p=0.19), or ease of railroading (p=0.72). The manikin chosen and route of endoscopy had more consistent effects on performance: best performance was via the nasal route in the Airway Trainer manikin. In the second study, the choice of fibrescope did not significantly affect any performance outcome (p=0.3), but there was a significant difference in the speed of intubation between the devices (p=0.02) with the i-gel the fastest intubation conduit (mean (SD) intubation time i-gel 18.5 (6.8) s, intubating laryngeal mask airway = 24.1 (11.2) s, classic laryngeal mask airway = 31.4 (32.5) s, p=0.02). We conclude that the aScope performs well in simulated fibreoptic intubation and (if adapted for untimed use) would be a useful training tool for both simulated fibreoptic intubation and conduit-assisted intubation. The choice of manikin and conduit are also important in the success of such training. This manikin study does not predict performance in humans and a clinical study is required. SN - 1365-2044 UR - https://www.unboundmedicine.com/medline/citation/21401543/Evaluation_of_a_single_use_intubating_videoscope__Ambu_aScope_™__in_three_airway_training_manikins_for_oral_intubation_nasal_intubation_and_intubation_via_three_supraglottic_airway_devices_ L2 - https://doi.org/10.1111/j.1365-2044.2011.06647.x DB - PRIME DP - Unbound Medicine ER -