Articles: videolaryngoscope
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Randomized Controlled Trial Comparative Study
Assessment of Truflex articulating stylet versus conventional rigid Portex stylet as an intubation guide with the D-blade of C-Mac videolaryngoscope during elective tracheal intubation: study protocol for a randomized controlled trial.
A variety of videolaryngoscopes with angulated blade have been recently introduced into clinical practice. They provide an indirect view of the glottic structures in normal and challenging clinical settings. Despite the very good visualization of the laryngeal structures by these devices, the insertion and advancement of the endotracheal tube may be prolonged and occasionally fail as it does not conform to the enhanced angulation of the blade. To overcome this handicap, it is recommended to use a pre-shaped, styleted tracheal tube during intubation. Unfortunately, these malleable rigid stylets permit only a fixed shape to the advancing endotracheal tube. This may necessitate withdrawal of endotracheal tube-stylet assembly for reshaping, before undertaking a new attempt. This may cause soft tissue injury and hemodynamic disturbance.This single-blinded randomized clinical trial aims to overcome these handicaps using a novel method of dynamically changing the shape of the advancing endotracheal tube by Truflex articulating stylet as per need during D-blade C-Mac videolaryngoscopy. ⋯ One hundred and fifty four patients between 18 and 60 years of age belonging to either sex undergoing tracheal intubation under uniform general anesthetic technique will be randomly divided into Portex malleable stylet group and Truflex articulating stylet group. The primary efficacy variable of success/failure between the two groups will be analyzed using the chi square test. For comparison of intubation times and the Intubation Difficulty Score, ANOVA will be used. Primary efficacy endpoint results will be successful or failed tracheal intubation in the first attempt, total intubation time and the intubation difficulty score. Secondary efficacy endpoints will be overall user satisfaction graded from 1 to 10 (1 = very poor, 10 = excellent), Cormack and Lehane's grading, glotticoscopy time and ETT negotiation time and total number of intubation attempts. Result of safety endpoints will include dental and airway trauma, hemodynamic disturbances, arrhythmias or cardiac arrest.
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Stud Health Technol Inform · Jan 2013
Controlled Clinical TrialEndotracheal intubation with a traditional videolaryngoscope blade versus an integrated suction blade in a hemorrhagic airway cadaver model.
Lightly embalmed hemorrhagic cadaver models and the Storz CMAC videolaryngoscope fitted with either an integrated suction blade vs. a traditional blade were used to determine efficacy of the instruments in hemorrhagic airway intubation. Significant differences were found between the devices in intubation success rates of the viscosity saliva and frothy blood models, as well as a significant difference in intubation times in the frothy blood model. Feedback provided by the study participants indicated preference for the integrated video suction blade in hemorrhagic airway intubation.
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Acta Anaesthesiol Belg · Jan 2013
Comparative StudyFirst experience of the use of the C-MAC PM videolaryngoscope in a clinical setting by anesthetic nurses: a comparison with anesthetists.
The Storz C-MAC videolaryngoscope has been found to facilitate endotracheal intubation and to be easy to use by novice users. However, it has never been studied in those who will probably use it most, anesthetists and anesthetic nurses. The aim of the present study was to identify the number of attempts needed before the participants were able to intubate 2 consecutive patients within 30 seconds. ⋯ This is the first clinical study assessing the use of the C-MAC videolaryngoscope by inexperienced anesthetists and anesthetic nurses indicating that it is easy to learn and to use in their hands.
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We prospectively evaluated the CEL-100 videolaryngoscope(TM) for insertion of double-lumen tracheal tubes in 48 consecutive patients who had been found to have an unanticipated Cormack and Lehane grade 3 (n=43) and grade 4 (n=5) laryngeal view and in whom two attempts at tracheal intubation using the Macintosh laryngoscope had failed. When the CEL-100 was subsequently employed, the glottic view improved in 45 (94%) patients. ⋯ This occurred on the first attempt in 27 (56%) patients, 14 (29%) on the second and two (4%) on the third. We conclude that the CEL-100 videolaryngoscope is an effective device in this context, and we therefore propose that this device can be used in circumstances when double-lumen tube insertion proves difficult.