Idiopathic facial nerve palsy
Conditions
Interventions
Gold Standard:House-Brackmann (H-B) Facial Paralysis Grading Scale
Index test:The machine learning-based grading model for facial nerve injury
Sponsors
Yantai Yuhuangding Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1.Patient group: Meeting clinical diagnostic criteria of peripheral facial paralysis; aged 18–70 years; capable of cooperating with frontal facial image acquisition; H-B scale grading (Grade I–V) completed by specialist physicians; voluntary participation with signed informed consent. 2.Healthy group: No history of facial paralysis, facial trauma, facial surgery or craniofacial deformities; basically symmetric facial appearance; capable of cooperating with image acquisition; voluntary participation with signed informed consent.
Exclusion criteria
Exclusion criteria: 1.Central facial palsy, facial tumors, severe infections, craniofacial deformities, or neuromuscular disorders. 2.Excessive head rotation, facial occlusion, noncooperative facial expression, or extremely poor lighting during image acquisition. 3.Poor image quality, unsuccessful facial landmark detection, or missing/unclear clinical grading annotations. 4.Cognitive impairment, psychiatric disorders, or unable to cooperate with the examination.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Diagnostic performance of machine learning-based grading model for facial nerve injury;Accuracy; | — |
Secondary
| Measure | Time frame |
|---|---|
| Sensitivity;Specificity; | — |
Countries
China
Contacts
Public ContactWu Hongliang
Yantai Yuhuangding Hospital
Outcome results
None listed