Efficacy of Coopdech videolaryngoscope: comparisons with a Macintosh laryngoscope and the Airway Scope in a manikin with difficult airways
ABSTRACT We studied the efficacy of the Coopdech videolaryngoscope Portable VLP-100, by comparing it with a Macintosh laryngoscope, and another videolaryngoscope, the Airway Scope (AWS), in a manikin with four simulated difficult airways. In a randomized, crossover design, each of 50 residents inserted the three devices, in turn, and graded the view of the glottis at laryngoscopy. Time to see the glottis, time to intubate the trachea, and the success rate of tracheal intubation (within 120 s) were recorded. In all situations, the AWS provided a significantly shorter time to see the glottis. In a manikin with tongue edema, the AWS was associated with a significantly higher success rate of intubation than the VLP-100 and the Macintosh laryngoscope (P < 0.05). In a manikin with cervical spine rigidity or pharyngeal obstruction, the AWS and the VLP-100 provided significantly higher success rates of intubation than the Macintosh laryngoscope (P < 0.05). In a manikin with laryngospasm, no one could intubate the trachea using any device. Our results indicate that, in patients with difficult airways, the videolaryngoscopes (VLP-100 and AWS) would provide higher success rates of tracheal intubation than the Macintosh laryngoscope, but the VLP-100 may be inferior to the AWS.
- SourceAvailable from: Takashi Asai[Show abstract] [Hide abstract]
ABSTRACT: Tracheal intubation has been considered to be the most reliable method for securing the airway during cardiopulmonary resuscitation, and paramedics in some countries (including Japan) are licensed to perform this task. The Macintosh laryngoscope has long been the main device for tracheal intubation, but one technical problem is that a considerably long-term clinical training is required for each paramedic to be able to perform tracheal intubation reliably . In Japan, paramedics are required to complete 30 successful tracheal intubations in anesthetized patients in the operating room, after undergoing training using manikins, to obtain certification by a prefectural medical control committee. Another major problem with this system is that it is difficult to maintain acquired intubation skills, without constant practice. Because the majority of Japanese paramedics only perform one or two tracheal intubations each year , it would generally be difficult to maintain their skills. ...Journal of Anesthesia 02/2015; DOI:10.1007/s00540-015-1978-z · 1.12 Impact Factor
- Journal of Anesthesia 03/2014; 28:647-9. DOI:10.1007/s00540-014-1808-8 · 1.12 Impact Factor
- [Show abstract] [Hide abstract]
ABSTRACT: The Pentax Airway Scope® is a single-use optical videolaryngoscope designed to assist with difficult tracheal intubation. We systematically reviewed the efficacy of the Pentax Airway Scope with that of a conventional laryngoscope for tracheal intubation in adults with ‘normal’ and ‘difficult’ airways. We included 17 randomised controlled trials with a total of 1801 participants. We used the DerSimonian and Laird random-effects model to calculate pooled relative risk or weighted mean differences. The relative risk (95% CI) of a Cormack–Lehane grade-1 laryngeal view was 2.40 (1.76–2.49) with the Pentax Airway Scope compared with the Macintosh laryngoscope, p < 0.00001. We found no other differences between the two laryngoscopes. Despite a superior laryngeal view, the Pentax Airway Scope provides little clinical benefit over the conventional laryngoscope.Anaesthesia 05/2014; 69(8). DOI:10.1111/anae.12705 · 3.85 Impact Factor