American journal of otolaryngology · 2024
Nerve dissection technique for excision of parotid tumors: Outcomes controlling for tumor size and location.
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Smith Joshua D, Darr Owen A F, Haring Catherine T, Rosko Andrew J, Spector Matthew E, Heft-Neal Molly E
Аннотация
PURPOSE: We examined operative efficiency, rate of facial nerve paresis, and post-operative outcomes in patients undergoing retrograde (RGD) vs anterograde dissection (AGD) of the facial nerve controlling for tumor location.
METHODS: Single-institution, retrospective analysis of patients with benign parotid tumors undergoing superficial parotidectomy with facial nerve dissection over a six-year period. Operative and pathology reports were reviewed to classify tumor size, location in relation to facial nerve branches, and technique for facial nerve dissection. Chi-square and Student's t-test were used to compare operative time, rates of facial nerve paresis, and post-operative outcomes between groups.
RESULTS: Our cohort included 35 patients who underwent RGD and 70 who underwent AGD of the facial nerve. Pleomorphic adenoma was most common in both the RGD (n = 25, 71.4 %) and AGD (n = 69, 98.6 %) groups. Both groups were balanced for demographics, tumor size and location in relation to facial nerve branches. Operative times, rate of surgical drain use, and frequency of post-operative admission were significantly reduced in the RGD group. The rate of temporary facial nerve paresis was significantly reduced (n = 3, 8.6 % vs n = 30, 42.9 % in the RGD vs AGD groups, respectively, p < 0.001) and more frequently limited to single nerve distributions in the RGD group.
CONCLUSION: RGD of the facial nerve during superficial parotidectomy for benign parotid tumors is associated with reduced operative times, post-operative admission rates, and rates of facial nerve paresis compared to AGD even when controlling for tumor location.
METHODS: Single-institution, retrospective analysis of patients with benign parotid tumors undergoing superficial parotidectomy with facial nerve dissection over a six-year period. Operative and pathology reports were reviewed to classify tumor size, location in relation to facial nerve branches, and technique for facial nerve dissection. Chi-square and Student's t-test were used to compare operative time, rates of facial nerve paresis, and post-operative outcomes between groups.
RESULTS: Our cohort included 35 patients who underwent RGD and 70 who underwent AGD of the facial nerve. Pleomorphic adenoma was most common in both the RGD (n = 25, 71.4 %) and AGD (n = 69, 98.6 %) groups. Both groups were balanced for demographics, tumor size and location in relation to facial nerve branches. Operative times, rate of surgical drain use, and frequency of post-operative admission were significantly reduced in the RGD group. The rate of temporary facial nerve paresis was significantly reduced (n = 3, 8.6 % vs n = 30, 42.9 % in the RGD vs AGD groups, respectively, p < 0.001) and more frequently limited to single nerve distributions in the RGD group.
CONCLUSION: RGD of the facial nerve during superficial parotidectomy for benign parotid tumors is associated with reduced operative times, post-operative admission rates, and rates of facial nerve paresis compared to AGD even when controlling for tumor location.