Stopped: Due to financial issues
With the advent and more widespread use of video-assisted laryngoscopy (VL), the incidence of difficult intubation has decreased. However, the optimal position for endotracheal intubation facilitated by VL is not yet determined. The objective of this study is to evaluate the effects of different patient positioning (neutral position versus sniffing position) on the glottic view and intubation time during orotracheal intubation facilitated by two video-assisted laryngoscopes (McGrath laryngoscope and C-MAC D-blade laryngoscope). A total of 252 patients who required orotracheal intubation for elective surgery were included in the study. Primary outcomes include airway difficulty score(ADS), intubation difficulty scale (IDS), the percentage of glottic opening (POGO) and intubation time. By the indexes above and crossover analysis, the study aimed to prove the ideal position for VL.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
airway difficult score (ADS)
Timeframe: Airway difficult score (ADS) is assessed before induction and it take about 3 minutes.
intubation difficulty scale (IDS)
Timeframe: intubation difficulty scale (IDS) is assessed during intubation and the time it take depend on the difficulty of the case.
percentage of glottic opening (POGO)
Timeframe: Percentage of glottic opening (POGO) is evaluated by another anesthesiologist up to 24 hours after intubation ,and it take about 1 minutes.
intubation time
Timeframe: Intubation time is assessed during intubation and the time it take depend on the difficulty of the case.