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| Research article summary (published 29 Nov 2002): |
A new video laryngoscope-an aid to intubation and teaching.
Full Abstract
In recent decades, video techniques have been employed in the majority of endoscopic procedures because of several distinct advantages provided. These include the following:
The displayed anatomy is magnified. Recognition of the anatomical structures and anomalies is easier, and manipulation of airway devices is facilitated. When assistance is required, the operator and assistant can coordinate their movements because each sees exactly the same image on the video monitor. As a result, video techniques have become the method of choice in teaching.The Video Macintosh Intubating Laryngoscope System (VMS) was designed employing a standard Macintosh blade and laryngoscope handle. A camera was incorporated into the handle with a short image and light bundle. The magnified anatomy is displayed on an 8-inch monitor, which is attached to a swivel arm on a small cart. Observation and manipulation can be performed in one axis.A total of 235 patients were studied and were divided into two groups:
Group A (n = 217), in whom intubation was thought unlikely to be difficult, and Group B (n = 18), in whom difficulty with intubation was anticipated.External laryngeal manipulation (ELM) was required in 22 of the 217 Group A patients (10%). All intubations but one in this group were successful. In the second group (B) of 18 patients who had anatomical conditions that suggested that direct laryngoscopy might be challenging, all 18 cases required ELM but all were successfully intubated using the VMS.The improved coordination afforded by an image on a video monitor seen by both the assistant providing laryngeal manipulation and the anesthesiologist handling the laryngoscope results in a significant advantage over the conventional laryngoscope technique. As a consequence, the learning curve is short. In our view, video laryngoscopy will become the method of choice in teaching.
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Author information
Author/s: Kaplan, Marshal B (MB); Ward, Denham S (DS); Berci, George (G);
Affiliation: Department of Anesthesiology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA.
Journal and publication information
Publication Type: Journal Article
Journal: Journal of clinical anesthesia (J Clin Anesth), published in United States. (Language: eng)
Reference: 2002-Dec; vol 14 (issue 8) : pp 620-6
Dates: Created 2003/02/04; Completed 2003/05/15; Revised 2004/11/17;
PMID: 12565125, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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