Abstract
Objective:To investigate the factors and efficacy of different surgical techniques used in facial nerve(FN) reconstruction. Methods:A retrospective analysis was conducted on 24 patients who underwent facial nerve reconstruction surgery in our department from January 2016 to January 2021. The duration of total facial nerve paralysis was less than 18 months. The study included 5 surgical techniques, including 6 cases of FN anastomosis(Group A), 5 cases of FN grafting(sural nerve or great auricular nerve)(Group B), 5 cases of side-to-end facial-hypoglossal nerve anastomosis(Group C), 4 cases of side-to-end FN grafting(sural nerve or great auricular nerve) hypoglossal nerve anastomosis(Group D), and 4 cases of dual nerve reanimation(Group E). The postoperative follow-up period was ≥1 year. Results:The HB-Ⅲ level of FN function at 1 year after surgery was 83.3%(5/6) in group A, 60.0%(3/5) in group B, 40.0%(2/5) in group C, 25.0%(1/4) in group D, and 50.0%(2/4) in group E. In patients without multiple FN repair, the incidence of synkinesis was 15.0%(3/20), while no cases of synkinesis were observed in patients with dual nerve reanimation. The patients who underwent hypoglossal-facial side-to-end anastomosis showed no hypoglossal nerve dysfunction. Conclusion:Different FN repair techniques result in varying postoperative FN function recovery, as personalized repair should be managed. Among the various techniques, FN end-to-end anastomosis after FN transposition is recommended as to reduce the number of anastomotic stoma, while hypoglossal-facial side-to-end anastomosis is advocated as to prevent postoperative hypoglossal nerve dysfunction. Additionally, dual nerve repair can effectively improve smile symmetry and reduce synkinesis, which enhances patients' quality.
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More From: Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology, head, and neck surgery
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