FindTrial
Sign In

Correlation between Friedman Staging System and Volume of Upper Airway in Patients with Obstructive Sleep Apnea.

Correlation between Friedman Staging System and Volume of Upper Airway in Patients with Obstructive Sleep Apnea.

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00005967
Enrollment
30
Registered
2014-03-07
Start date
Unknown
Completion date
Unknown
Last updated
2026-03-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

G47.3

Interventions

Group 1: Patients with sleep apnea. The data used in this study is already avaliable from files data from patients of Otorhinolaringology Clinicas of University of Araraquara Group 2: Controls Patient

Sponsors

University of Araraquara
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: Patients medical records from the Otorhinolaryngology Clinics of the Medical School at the University of Araraquara - UNIARA

Exclusion criteria

Exclusion criteria: morbid obesity (IMC>40); craniofacial abnormalities such as craniodysostoses, craniostenosis, meningomyelocele and craniofacial cleft; nasal obstruction by polyposis or nasal tumor; existence of any craniofacial or airway tumor; larynx or pharynx paralysis; and previous upper airway surgery.

Design outcomes

Primary

MeasureTime frame
The data from physic examination by Friedman Staging System will be correlated to Upper airway volume obtained from Cone Beam CT.—

Secondary

MeasureTime frame
The Antropometric data (age, BMI and gender) will be correlated to Upper airway volume obtained from Cone Beam CT.—

Countries

Brazil

Contacts

Public ContactMarcos Rodrigues

University of Araraquara

marcosmmr@hotmail.com55 16 81084840

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Apr 4, 2026