Unilateral vocal cord paralysis
Conditions
Interventions
Observation group:None
Sponsors
ShangHai ChangHai Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1.The patients with unilateral vocal cord paralysis whose course was more than half a year were examined by electromyography; 2.Patients with unilateral recurrent laryngeal nerve injury of unknown severity who have not recovered vocal cord movement after observation for more than 6 months. 3.The arytenoid joint is not fixed. 4.Those who have undergone surgery and received follow-up visits for more than half a year, and whose clinical data are complete.
Exclusion criteria
Exclusion criteria: 1.Poor heart or lung function or other surgical contraindications; 2.Preoperative examination indicated that the fixation of the cricothyroid joint was not caused by nerve damage. 3.Refuse to participate in the research.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Maximum phonation time, MPT; | — |
Secondary
| Measure | Time frame |
|---|---|
| Dynamic laryngoscopy examination results(eg:The degree of glottic closure during vocalization);Objective evaluation indicators of voice (sound pressure level, fundamental frequency F0, fundamental frequency perturbation (Jitter), amplitude perturbation (Shimmer), harmonic noise ratio (HNR), and;Subjective evaluation indicators of the voice (such as GRBAS score (G) and vhi score);Electromyography results (such as recruitment photos); | — |
Countries
China
Contacts
Public ContactHongliang Zheng
Shanghai Changhai Hospital
Outcome results
None listed