3d computed tomography analysis of arytenoid adduction in patients with unilateral vocal fold paralysis.
Recruiting
- Conditions
- Unilateral vocal fold paralysis10019190
- Registration Number
- NL-OMON54444
- Lead Sponsor
- eids Universitair Medisch Centrum
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- Not specified
- Target Recruitment
- 10
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
- Previous laryngeal framework surgery
- Laryngeal injection augmentation less than 3 months before LFS
- Patients with active head and neck malignancy
- Patients with contra-indication for CT-scan
Study & Design
- Study Type
- Observational invasive
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method <p>Primary Objective: CT scan pre-operative and postoperative will give<br /><br>information about:<br /><br>- Change in the position of the arytenoid cartilage </p><br>
- Secondary Outcome Measures
Name Time Method <p>Secondary Objective(s):<br /><br>These objectives are obtained from standard practice of care & follow up:<br /><br>- Perceptive voice analysis: Grade of the GRBAS score system<br /><br>- Visual analysis: videolaryngostroboscopy<br /><br>- Acoustic voice analysis: S/Z ratio, Speech phonetogram with extremes of<br /><br>dynamic range(dB) and melodic range(ST), Fundamental frequency (Hz)<br /><br>- Aerodynamic / efficiency voice analysis: maximum phonation time (sec)<br /><br>- Subjective rating by patient: PROMS (VHI-30 questionnaire and numeric scale)</p><br>