Unilateral vocal fold paralysis Paralyzed vocal cord
Conditions
Interventions
The study participants will undergo 2 CT-scans.
Sponsors
Leids Universitair Medisch Centrum
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: - Adult >18 years old - Unilateral vocal fold paralysis diagnosed by experienced ENT-surgeon - To be able and willing of giving informed consent - Indicated to undergo laryngeal framework surgery: medialization + arytenoid adduction
Exclusion criteria
Exclusion criteria: - Previous laryngeal framework surgery - Laryngeal injection augmentation less than 3 months before surgery - Patients with active head and neck malignancy - Patients with contra-indication for CT-scan
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Primary Objective: CT scan pre-operative and postoperative will give information about: - Change in the position of the arytenoid cartilage | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary Objective(s): These objectives are obtained from standard practice of care & follow up: - Perceptive voice analysis: Grade of the GRBAS score system - Visual analysis: videolaryngostroboscopy - Acoustic voice analysis: S/Z ratio, Speech phonetogram with extremes of dynamic range(dB) and melodic range(ST), Fundamental frequency (Hz) - Aerodynamic / efficiency voice analysis: maximum phonation time (sec) - Subjective rating by patient: PROMS (VHI-30 questionnaire and numeric scale) | — |
Countries
Netherlands
Contacts
Public ContactB.M. Mol
Leids Universitair Medisch Centrum
Outcome results
None listed