[Depressor anguli oris sign (DAO) in facial paresis. How to search it and release the smile (technical note)]. / Signe du Depressor Anguli Oris (DAO) dans les parésies faciales. Comment le rechercher et libérer le sourire (note technique).
Ann Chir Plast Esthet
; 57(3): 281-5, 2012 Jun.
Article
em Fr
| MEDLINE
| ID: mdl-22647640
ABSTRACT
INTRODUCTION:
After facial paralysis recovery, it is common to note a co-contraction between depressor anguli oris (DAO) muscle and zygomatic muscles. This DAO co-contraction will "obstruct" the patient's smile. The purpose of this technical note is to show how to find the DAO sign and how to free up the smile. TECHNICAL This co-contraction between the zygomatic muscles and DAO research is placing a finger on marionette line, asking the patient to smile we perceive a rope under the skin corresponding to the abnormal contraction and powerful DAO. A diagnostic test with lidocaine injection into the DAO can be performed to confirm the diagnosis. The treatment of pathological DAO's contraction can be by injection of botulinum toxin in the DAO, or by surgical myectomy. In all cases, a speech therapy complete the treatment.CONCLUSION:
The DAO sign is a semiological entity easy to find. His treatment releases smile without negative effect on the facial expression as the DAO is especially useful in the expression of disgust.
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Sorriso
/
Toxinas Botulínicas Tipo A
/
Dissecação
/
Músculos Faciais
/
Paralisia Facial
/
Lábio
/
Contração Muscular
/
Hipertonia Muscular
/
Fármacos Neuromusculares
Limite:
Humans
Idioma:
Fr
Ano de publicação:
2012
Tipo de documento:
Article