Obstructive sleep apnea Ear, Nose and Throat
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Current inclusion criteria as of 07/07/2026: Cases: 1. Age between 18 and 75 years 2. Diagnosis of severe obstructive sleep apnea (AHI >30 events/hour) with no previous treatment experience 3. No prior treatment for OSAHS 4. Signed informed consent (IC) Controls: 1. Adequate sleep hygiene 2. No complaints of snoring 3. No complaints of daytime sleepiness 4. Epworth Sleepiness Scale 15) with no previous treatment experience 3. No prior treatment for OSAHS 4. Signed informed consent (IC) Controls: 1. Adequate sleep hygiene 2. No complaints of snoring 3. No complaints of daytime sleepiness 4. Epworth Sleepiness Scale < 7 points
Exclusion criteria
Exclusion criteria: 1. Cognitive or neurological deficits 2. Inability to complete questionnaires 3. Severe alcoholism 4. Presence of craniofacial malformations 5. Active neoplastic disease 6. History of orofacial muscle rehabilitation or prior OSA treatment (surgery, MAD, CPAP)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Orofacial muscle function measured using the OMES questionnaire at baseline (single visit) | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Tongue and buccinator muscle strength measured using the IOPI® manometer at baseline (single visit). Measured in kilopascals (kps). 2. Tongue pressure measured using the Sandway® manometer at baseline (single visit). Measured in kilopascals (kps). 3. Tongue strength measured using a digital spoon at baseline (single visit). Measured in gr/cm². 4. Correlation between OMES score and values obtained by IOPI®, Sandway®, and digital spoon, analyzed at baseline (single visit) Added 07/07/2026: Exploratory outcomes: 1. Presence and classification of the Palatal-Tongue Clinical Sign (PTCS sign) assessed during standardized oral clinical examination at baseline and after 3 months 2. Maxillary intermolar distance (palatal width) measured in millimetres using a digital caliper (vernier caliper) during the baseline clinical assessment | — |
Countries
Spain