Articles: videolaryngoscope
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GlideScope videolaryngoscope (GVL) is a novel indirect laryngogoscope for tracheal intubation. Both mid-size and large blades of the GVL are available for adult patients. The distortion of the anterior airway anatomy and cervical spine motion using the mid-size GVL is unknown. We compare the degree of anterior airway distortion and cervical spine movement during the use of the mid-size GVL compared with the large GVL. ⋯ The tip of the mid-size GVL during laryngoscopy is anteriorly positioned and the distortion of the anterior airway was greater with the mid-size GVL than with the large GVL.
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Anesthesia and analgesia · Feb 2011
First clinical evaluation of the C-MAC D-Blade videolaryngoscope during routine and difficult intubation.
In the present preliminary study we evaluated the C-MAC® D-Blade (Karl Storz, Tuttlingen, Germany), a new videolaryngoscopic C-MAC blade for difficult intubation, during both routine and difficult intubations. First, both the conventional direct laryngoscopy and the D-Blade were used in 15 consecutive patients with normal airways during routine induction of anesthesia. Second, the D-Blade was used as a rescue device in 20 of 300 (6.7%) consecutive patients, when conventional direct laryngoscopy failed. ⋯ With the use of the D-Blade, indirect C/L video view improved to C/L class 1 in 15 patients, and to 2a in 5 patients, respectively. The time from touching the laryngoscope to optimal laryngoscopic view was 11 (5-45) seconds and for successful intubation 17 (3-80) seconds. In all 35 patients, with the D-Blade no direct view of the glottis was possible and subsequently a semiflexible tube guide was required.
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The C-MAC® (Karl Storz, Tuttlingen, Germany) has recently been introduced as a new device for videolaryngoscopy guided intubation. The purpose of the present study was to compare for the first time the C-MAC with conventional direct laryngoscopy in 150 patients during routine induction of anaesthesia. ⋯ Combining the benefits of conventional direct laryngoscopy and videolaryngoscopy in one device, the C-MAC may serve as a standard intubation device for both routine airway management and educational purposes. However, in patients with suboptimal glottic view (C/L≥2a), the C-MAC size 4 with straight blade technique may reduce the number of C/L 3 or C/L 4 views, and therefore facilitate intubation. Further studies on patients with difficult airway should be performed to confirm these findings.