الفهرس 
INTRODUCTIONOnly 14 pages are availabe for public view
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Abstract
ETI is frequently associated with an increased risk of secondary iatrogenic SCI in patients with known or suspected C-spine instability. A clinical condition known as cervical instability is characterized by motion or compression of the C-spinal tract that might result in a vertebral dislocation endangering the spinal cord or the nerve roots.
Semi-rigid collars are frequently used to minimize movement in patients who are at risk for SCI; nevertheless, they significantly reduce the amount of space that the mouth may open, which makes intubation challenging. While MILS is seen to be a preferable option during intubation, it may not be able to entirely stop C-spine movement, which could limit laryngoscopic view and make intubation more difficult.
In addition to direct laryngoscopy, a number of tracheal intubation techniques have been assessed in real or simulated cases of C-spine instability, including video-laryngoscopy, LED stylets, fiberoptic stylets, supraglottic devices, and awake fiberoptic intubation.
The present study was carried to compare the clinical performance of
C-MAC VS and C-MAC D-Blade VL during oral intubation in anaesthetized patients with simulated C-spine immobilization.
The study was carried out on 52 adult patients aged between 20 and 60 years admitted to Medical Research Institute Hospital and scheduled for elective surgery under GA with ETI.
Patients were belong to ASA physical status I or II. Patient refusal, clinical or radiographic evidence of C-spine abnormality or air way trauma, SARI score ≥ 4, morbid obesity (BMI ≥ 40), previous neck surgery, pregnancy, mouth opening less than two fingers and full stomach were all considered exclusion criteria.