Facial reanimation using free partial latissimus dorsi muscle transfer: Single versus dual innervation method
- Authors
- Park, Jun Ho; Park, Seong Oh; Chang, Hak
- Issue Date
- Oct-2022
- Publisher
- CHURCHILL LIVINGSTONE
- Keywords
- Facial reanimation; Dual innervation; Partial LD; Cerebral adaptation
- Citation
- JOURNAL OF CRANIO-MAXILLOFACIAL SURGERY, v.50, no.10, pp.778 - 784
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF CRANIO-MAXILLOFACIAL SURGERY
- Volume
- 50
- Number
- 10
- Start Page
- 778
- End Page
- 784
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/172981
- DOI
- 10.1016/j.jcms.2022.09.001
- ISSN
- 1010-5182
- Abstract
- The aim of the present study was to analyze the consequences of partial free latissimus dorsi muscle flap with nerve splitting technique (Partial LD transfer) for facial reanimation and compare outcomes according to innervation method (singer versus dual innervation). Patients with complete unilateral facial paralysis underwent either the single (ipsilateral masseteric nerve only) or dual (ipsilateral masseteric nerve plus contralateral buccal branch of the facial nerve) nerve innervation method for facial reanimation. An assessment was carried out to compare the outcomes between the single and dual innervation. Total of 21 patients were involved in this study. In the single innervation group, 7 out of 8 patients developed a voluntary smile. However, none were able to achieve a spontaneous smile. On the other hand, 9 out of 13 patients developed a voluntary smile and 3 out of 13 patients achieved a spontaneous smile. The mean increases of smile excursion assessed by Emotrics software and Terzis grades showed no significant differences between two groups. Within the limitations of the study it seems that partial LD transfer approach utilizing the dual innervation method has a positive effect on achieving a spontaneous smile and could be a valuable option for facial reanimation.
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