Difficult airway Difficult intubation Elective surgery under general anesthesia Airway management Hyper-angulated stylet Endotracheal intubation C-MAC D-Blade Videolaryngoscope Intubation difficulty scale Airway complications
Conditions
Interventions
Patients receive endotracheal intubation using a hyper-angulated stylet with a 30-degree angulation at the tip of the endotracheal tube. The intubation is performed using the C-MAC D-Blade videolaryng
Experimental Procedure/Surgery,Active Comparator Procedure/Surgery
Hyper-angulated stylet,Standard curved stylet
Sponsors
Buriram hospital
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. ASA physical status I-III 2. Undergoing elective surgery requiring general anesthesia with endotracheal intubation 3. At least one predictor of difficult intubation - BMI 35 and above - Mallampati class III or IV - Thyromental distance less than 6.5 cm - Neck flexion-extension less than 90 degrees - Mouth opening less than 4 cm - Inability to protrude lower jaw beyond upper - History of difficult intubation
Exclusion criteria
Exclusion criteria: 1. Patients requiring alternative intubation techniques (e.g., awake fiberoptic) 2. Cognitive or communication impairment 3. Inability to understand Thai language 4. Coagulopathy 5. Airway, oral, or cervical spine abnormality (e.g., trauma, mass, infection) 6. Pregnancy 7. Withdrawal of consent
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Time to successful intubation During intubation Time (in seconds) from blade insertion past the lips to confirmation of endotracheal tube position by visualization of tube passing through vocal cords | — |
Secondary
| Measure | Time frame |
|---|---|
| First-attempt intubation success rate During intubation Number and percentage of patients successfully intubated on the first attempt | — |
Countries
Thailand
Contacts
Public ContactMustika Wandee
Buriram hospital
Outcome results
None listed