Difficult laryngoscopy
Conditions
Interventions
Gold Standard:Clinical outcome
Index test:Ultrasound 
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Sponsors
Union Hospital Affiliated to Fujian Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: Patients over 18 years old, regardless of gender, ASA grade I-III.
Exclusion criteria
Exclusion criteria: 1. Patients with limited mouth opening (mouth opening < 2.5cm); 2. Patients whose neck range of motion is obviously limited due to various diseases; 3. Patients with maxillofacial deformity, scar and huge tumor; 4. Patients with missing or falling off incisors; 5. Patients with heart, brain, kidney and other important organ dysfunction; 6. Patients requiring conscious intubation; 7. Patients with previous neck surgery (such as thyroid surgery); 8. Patients who refused to operate; 9. Patients with missing important data.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Modified Mallampati;Mouth opening;Neck circumference;Thyromental distance;Sternomental Distance;Thickness of the base of the tongue;Tongue longitudinal section area;The distance between the skin and hyoid bone;The distance from skin to epiglottis;Distance from vocal cord front joint to skin;Distance from tracheal ring of thyroid isthmus to skin;SEN, SPE, ACC, AUC of ROC, PV+, PV-; | — |
Countries
China
Contacts
Public ContactWeihua Chen
Union Hospital Affiliated to Fujian Medical University
Outcome results
None listed