glottic insufficiency voice disorder
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - Adult >18 years old - Glottic insufficiency caused by vocal fold atrophy with or without sulcus - Consented for bilateral medialization thyroplasty with Gore-Tex® under local anaesthesia - No contraindication for MRI - To be able and willing of giving informed consent
Exclusion criteria
Exclusion criteria: - Patients undergoing unilateral medialization thyroplasty - Patients with medical history of phonosurgery - Patients with revision thyroplasty - Patients with medical history of head and neck malignancy - Patients with other causes of glottic insufficiency (paralysis, hypomobility, paresis, vocal fold scar) - Patients not fit for bilateral medialization thyroplasty under local anesthesia - Patients not able to undergo MRI scanning, e.g. metal implants, claustrophobia
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Change in implanted Gore-Tex® in volume and position. | — |
Secondary
| Measure | Time frame |
|---|---|
| voice parameters: VHI-30 questionnair, maximum phonation time (MPT), dynamic range, fundamental frequency (F0), melodic range. | — |
Countries
Netherlands
Contacts
Leids Universitair Medisch Centrum