At a glance
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GlideScope Videolaryngoscopy and Pre-Operative Assessment of El-Ganzouri Risk Index for Tracheal Intubation in Morbidly Obese Patients The Prospective Observational GLOBE Study
In Brief
An observational study for Morbid Obesity. Completed, enrolled 195 participants across 1 site.
Detailed Summary
BACKGROUND Unpredicted difficult tracheal intubation (DTI) with Macintosh laryngoscopy occurs frequently in obese patients. We investigated the incidence of DTI using the GlideScope® videolaryngoscope (GVL) with an algorithm based on a pre-operative assessment with the El Ganzouri Risk Index (EGRI). METHODS We prospectively enrolled morbidly obese patients (BMI\>40 kg/m2) undergoing abdominal surgery. Patients were scheduled for flexible fibre optic bronchoscopic intubation (FFBI) or GVL intubation if the EGRI score was ≥7 or \<7, respectively. The primary outcome was the occurrence of DTI that was defined as Cormack and Lehane (C\&L) grades ≥III, Intubation Difficulty Scale (IDS)\>5 and modified IDS (mIDS)\>5. A numeric rating scale (NRS) was also used. Secondary outcomes included intubation success during the first attempt, the time to Cormack (TTC), the time to intubation (TTI), failure to intubate, oxygen desaturation and difficult ventilation.