Patients aged 20 years or older undergoing general anesthesia who require airway management
Conditions
Interventions
Set the head and neck angle in the following three stages: neutral position, mild flexion (15 degrees), mild extension (15 degrees) Measure the angle using a goniometer
Sponsors
Seirei Mikatahara General Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients aged 20 years or older undergoing general anesthesia who require airway management Patients for whom informed consent was obtained through their signature on the consent form for participation in this study
Exclusion criteria
Exclusion criteria: Refusal to participate in the study Same-day surgery Existing neurological or cognitive impairment Use of antipsychotic medications BMI (body mass index) exceeding 35 kg/m2 or body weight exceeding 90 kg Mouth opening less than 2.5 cm Acute sore throat Conditions with risk of aspiration (e.g., pregnancy, gastroesophageal reflux disease, hiatal hernia) History of difficult intubation Limited neck mobility (e.g., atlantoaxial subluxation, history of cervical spine or head/neck surgery)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Oropharyngeal Leak Pressure | — |
Secondary
| Measure | Time frame |
|---|---|
| Time to success, leak pressure (endotracheal pressure causing air leakage), procedure-related complications (sore throat and hoarseness), tidal volume per breath, peak pressure at 10 ml/kg ventilation, ventilation score (0-3 points), fiberoptic assessment (Brimacombe classification) | — |
Countries
Japan
Contacts
Public Contactshingo kawashima
Seirei Mikatahara General Hospital Department of Anesthesiology
Outcome results
None listed