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Comparison of fiber optic bronchoscope compared to C-MAC video-laryngoscope for awake in obese patients with predicted difficult airway



Airway care providers are familiar with video-laryngoscopes (VL) which have blades as one of a traditional laryngoscope (Macintosh and Miller). Moreover, most of these suppliers have limited experience with fibrous broncoscope (FOB). C-MAC VL is one of these VLs, and its D-D design for difficult airways and expected airway management from obese patients.

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The aim of this study was to assess the time required for an awakening implant using C-MAC VL compared to FOB flexible in patients who were overly obese who had the difficult preliminary route Assessments assessed by simplified El-Ganzouri risk index.

Patients and Methods

Sixty adult patients in both sexes were divided into two identical groups (30 patients each). In FOB group, waking patients were turned up using the FOB flexible. In a VL group, awake patients were turned using the C-MAC VL. Recording intubating time, laryngeal attitude, intubating efforts, heart rate, arterial pressure, oxygen saturation, and sore throat.


The induction time was much longer in a FOB group compared to the VL group. In a VL group, 26 patients successfully competed on the first attempt, two patients on the second attempt, and two patients on the third attempt, but in a FOB group, 22 patients were successfully converted on the first attempt, six patients on the first attempt. In FOB group, 100% of the glottic open score was per patient. In a VL group, 24 patients had a 100% open glass score, four patients had a score of 50-100% and two patients had less than 50%. The success rate was 100% intubation in both groups. There were no significant differences between the groups at baseline and first and fifth minutes after implantation in hemodynamic, CO2 and O2 saturation parameters.


This study concluded that the shorter induction time using C-MAC VL compared to FOB flexible for intake waking obese patients was obese with a predicted difficult airway. However, FOB flexible provides excellent insight into the digital opening.


Hard ventilation is mask, rapid dehydration, or difficult intake associated with anesthesia in obese, patients,. Difficult investigation or failure in obese patients is more common than non-obese patients. For example, the incidence of difficult intake in the obese population reported more than 15.8% compared to 5.8% in the general population. 15.5% were reported compared to 2.2%. recommend that it is harder to intubation to make traceal or get a clear view of the glottis in obese patients. The multi-way features should be carefully considered in the very difficult management of airways. El-Ganzouri’s simplified risk index combines and differs seven variables derived from difficult induction parameters and observations, and a score of more than 4 was used as the definition of difficult implantation in different populations.

Unsuccessful intervention to manage difficult airways involves fiber-based exploration (SF) and performed well in 88-100% of patients with difficult airways. Glide Scope has been very successful in obese patients with a difficult predictable airway.

C-MAC VL has a flexible monitor, one of the VLs, which allows physicians to get the airway under a vision and capture pictures and videos in real time, and design their blade D for the difficult airways they are using.

Expectation and the management of an obese patient airway,. Indirect visualization of the larvae guardianship that provides the newly designed VLs facilitates intubation. Airway care providers are familiar with laryngoscopes with blades as the traditional laindoscope (Macintosh and Miller). As most providers have limited experience with FOI, the current study was designed to understand and determine which of the devices studied are more feasible in clinical settings, and seeks to produce results. Which could make the operator (airway care provider) more relaxed and confident during the induction procedure for obese patients who have a difficult expectation.

The aims of this study were as follows: the main outcome was to assess the time required for a waking implant using C-MAC VL compared to FOB flexible in patients who are overly obese but not EGRI considered the difficult air route. Secondary results were an assessment of the success rate associated with awake intubation and glottis exposure at both devices.

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