Obstructive sleep apnea hypopnea syndrome, OSAHS
Conditions
Interventions
Mild OSAHS group :Mouth-opening breath
Moderate OSAHS group :Mouth-opening breath
Severe OSAHS group :Mouth-opening breath
Sponsors
Department of otolaryngology-head neck surgery, Beijing Tsinghua Changgung Hospital.
Eligibility
Sex/Gender
All
Age
25 Years to 60 Years
Inclusion criteria
Inclusion criteria: Patients who complain snoring during sleep or feel suffocated at night. Results of full night polysomnography indicate the num. of apnea and hypopnea per hour at least more than 5 and the minimal SpO2 was less than 90%. The age of subjects should be 25 through 60.
Exclusion criteria
Exclusion criteria: Patients with AHI less than 5/hour, BMI>40kg/m2, excessive swelling tonsil more than III degree, asymmetric swelling tonsil will be excluded. Patients received tonsillectomy, UPPP, tongue root ablation, mandible advancement, et al. in the past also will be excluded.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Anteroposterior diameter of the minimal velopharyngeal cross-sectional area plane;Transverse diameter of the minimal velopharyngeal cross-sectional area plane;Area of the minimal velopharyngeal cross-sectional area plane;Anteroposterior diameter of the minimal oropharyngeal cross-sectional area plane;Transverse diameter of the minimal oropharyngeal cross-sectional area plane;Area of the minimal oropharyngeal cross-sectional area plane; | — |
Secondary
| Measure | Time frame |
|---|---|
| Average negative pressure of the minimal velopharyngeal cross-sectional area plane;Airflow average velocity of the minimal velopharyngeal cross-sectional area plane;Average negative pressure of the minimal oropharyngeal cross-sectional area plane;Airflow average velocity of the minimal oropharyngeal cross-sectional area plane;Velopharyngeal pressure drop;Velopharyngeal airflow resistance;Oropharyngeal pressure drop;Oropharyngeal airflow resistance; | — |
Countries
China
Contacts
Public ContactHu Bin
Outcome results
None listed