Abstract No.: ABS2053: Comparision of ease of tracheal intubation using video stylet and c-mac videolaryngoscope in difficult airway scenario : a randomised controlled trial

BACKGROUND & AIMS: Managing difficult airway is challenging and over the years many devices have been utilised to overcome the issue. The aim of thisstudy was to evaluate the efficacy of Video-stylet in difficult airway scenario compared with C-Mac Videolaryngoscopeon adult patients. METHODS: A Prospective randomised controlled trial was conducted in 60 adult patients of American Society of Anesthesiologists (ASA) I and II posted for elective surgeries under general anaesthesia at JNMC Belagavi. They were randomised equally into group C-mac and group video-stylet (VS) with cervical collar applied before induction.Patients undergoing emergency surgery, those requiring rapid-sequence intubation were excluded. Sample size calculated using G *3.1:1 tests for co-relation and regression analysis. Ethical clearance was obtained. PAE and airway difficulty were assessed pre-operatively, cervical collar was applied before premedication, induced with Propofol (2 mg/kg) and scoline (2 mg/kg). ADS, Time taken for intubation, successrate, POGO score, IDS were parametersobserved.Continuous variables expressed in median and analysed using Mann-Whitney test and categorical variable with Chi square test. RESULTS: Gender distribution,age(Mean-Group C-Mac 38.03 years,group VS 39.43 years), BMI (group C-Mac-22.8, group VS-23.48 kg/m2) were comparable in the two groups. ADS (group C-Mac-7.93, group VS-7.47) was comparable. The mean time for intubation in Group C-Mac was 25.07 seconds and in Group VS was 22.07 seconds. 8 patients required second attempt for successful intubation in group C-Mac compared to 3 in VS group, the difference was not statistically significant (P=0.2). IDS between the two groups suggested statistically superior results with VS group than C-mac group.POGO was significantly lower with C-mac group. [Image: see text] CONCLUSION: The Video-stylet demonstrated comparable first-attempt success rate for intubation and shorter intubation time than the C-mac videolaryngoscope in difficult airway scenario.These results suggest that the video-stylet may be a better option fortracheal intubation in difficult airway scenario.