Yanagihara developed a grading system for evaluating palsy of the facial nerve. This can be used to monitor the recovery in function over time.
Evaluations:
(1) appearance at rest
(2) wrinkle forehead
(3) blink
(4) light closure of eye
(5) tight closure of eye
(6) closure of the eye on involved side only
(7) wrinkle nose
(8) whistle
(9) grin
(10) depress lower lip
Versions:
(1) 3 level rating scale
(2) 5 level rating scale
Functional Rating
Points (3 Rating)
Points (5 Rating)
total paralysis
0
severe dysfunction
n.a.
1
moderate dysfunction
2
mild dysfunction
3
normal
4
total score =
= SUM(points for all 10 evaluations)
Interpretation:
• minimum score: 0
• maximum score: 40
• A favorable outcome is a score >= 36 by day 99 from the onset of palsy.
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Specialty: Neurology, Emergency Medicine, Surgery, general, Otolaryngology
ICD-10: ,
