Cerebrovascular disease
Conditions
Interventions
Gold Standard:ultrasound and 3d computed tomography
Index test:fiberoptic 
bronchoscopy 
and 
Sponsors
He'nan Provincial People's Hospital
Eligibility
Sex/Gender
All
Age
23 Years to 78 Years
Inclusion criteria
Inclusion criteria: Patients with ASA grade I or II who have undergone cerebrovascular stent implantation under general anesthesia with laryngeal mask
Exclusion criteria
Exclusion criteria: Difficult to open mouth degrees by laryngeal mask, and increased gastric contents regurgitation and respiratory aspiration factors, including not fasting, morbid obesity, more than 14 weeks of gestation, frequent gastroesophageal reflux, intestinal obstruction and hiatal hernia, another also eliminate merger throat disease, such as a placeholder, hematoma, edema, abscess, acute inflammation, injury, severe hypertrophy, tonsils, clear larynx or trachea migration and softening, other laryngeal mask relative contraindication such as mouth in the throat, chest surgery, or surgery position for lateral position and prone position, and to predict difficult airway as Mallampati class 3 or 4,The distance between the nail chin is less than 6 cm, the opening degree is less than 3 cm, the BMI is more than or equal to 35 kg/m square, severe obstructive sleep apnea, etc.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| LMA depth and location;SEN, SPE, ACC, AUC of ROC; | — |
Countries
China
Contacts
Public ContactChang Enqiang
He'nan Provincial People's Hospital
Outcome results
None listed