A randomized controlled prospective study of laryngoscopy and evaluation of the Intraoperative nerve monitoring during thyroid surgery comparing direct laryngoscopy and the C-MAC videolaryngoscope.
Intraoperative nerve monitoring (IONM) is used in addition to the visual the nerve in thyroid surgery. Here, the IONM can be done by placing electrodes on an endotracheal tube. In order to guarantee a sufficient signal quality of the IONM, the electrode must be adequately positioned on the glottis. The present study pursued the question of whether the conventional direct laryngoscopy compared with video laryngoscopy allows a visually adequate tube placement.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
260
In a randomised order we evaluate the quality of the IONM after securing the airway with the CMAC
In a randomised order we evaluate the quality of the IONM after securing the airway with the conventional Macintosh Laryngoscope
Department of Anesthesiology,Prof. C. Werner, Universitätsmedizin of the JG University
Mainz, Rhineland-Palatinate, Germany
Evaluation of the quality of the IONM during thyroid surgery
Evaluation of intraoperative loss of the EMG-Signal (Quality character of the IONM)
Time frame: Quality IONM; intraoperative 1-3 hours
intubation success
successful tracheal intubation at the first attempt, compared to more than one attempt
Time frame: at intubation; < 120 Seconds
Cormack and Lehane Classification
airway visualization during intubation process
Time frame: during the laryngoscopy; < 120 Seconds
Percentage of glottic opening
airway visualization during intubation process
Time frame: during the laryngoscopy; < 120 Seconds
IDS (intubation difficult score)
Summation of specific characters during the tracheal intubation
Time frame: < 120 Seconds
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