difficult airway
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. The healthy volunteer whose age falldown in 20 to 40 years old range; 2. The healthy pregnant patients whose age falldown in 20 to 40 years old range; 3. Without oral and maxilloface deformity and without history of neck surgery; 4. Patients without disturbance of consciousness, and can cooperate with doctor to be examined; 5. Patient agree to join the study, or her relative who get the patient's authorization agree to join the study.
Exclusion criteria
Exclusion criteria: Patients who have one of the following should be excluded from the study: 1. With injure or tumor in maxillofacial region; 2. Patients or patient's relatives ask for withdraw; 3. Patients who are undergoing other study; 4. Patients who are thought of not suit for this study by researchers; 5. The collection data of patient is uncompleted or losed.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The thickness of the tongue;Difficult Mask Ventilation; | — |
Countries
China
Contacts
Wannan Medical College Yijishan Hospital