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Abstract：
Facial nerve palsy (FNP) is a well-recognized complication following parotidectomy, with varying reported incidence rates in the literature. Understanding the incidence and factors contributing to FNP is crucial for optimizing patient care and surgical outcomes. A retrospective analysis was conducted on 78 patients who underwent parotidectomy at a tertiary care institution (Hospital de Especialidades Carlos Andrade Marin, Quito) over a 36-month period. Demographic data, preoperative pathology reports, surgical details, and postoperative outcomes, including FNP incidence and severity, were analyzed. The mean age of the cohort was 53 years, with a male-to-female ratio of 0.8:1. Fine needle aspiration revealed benign pathology in 70.5% of cases, with superficial parotidectomy being the most common surgical approach (84.6%). Postoperatively, FNP was observed in 51.2% of cases, with transient paralysis in 62.5% and persistent paralysis in 37.5%. The majority of FNP cases were classified as grade II and III according to the House-Brackmann grading system. A tumor size larger than 4 cm was associated with a higher incidence of FNP (57.5%). This study provides valuable insights into the incidence and severity of FNP following parotidectomy. Despite efforts to standardize surgical techniques, persistent paralysis remains a significant concern.
摘要：
面神经麻痹（FNP）是腮腺切除术后公认的并发症，文献中报告的发病率各不相同。了解FNP的发生率和因素对于优化患者护理和手术结果至关重要。对78例在三级医疗机构接受腮腺切除术的患者进行了回顾性分析（SpecialidadesCarlosAndradeMarin，基多)超过36个月。人口统计数据,术前病理报告,手术细节,和术后结果，包括FNP发生率和严重程度，进行了分析。队列的平均年龄是53岁,男女比例为0.8:1。70.5%的细针穿刺发现良性病理,腮腺浅部切除术是最常见的手术方法（84.6%）。术后,在51.2％的病例中观察到FNP，短暂性瘫痪占62.5%，持续性瘫痪占37.5%。根据House-Brackmann分级系统，大多数FNP病例被分为II级和III级。大于4cm的肿瘤与较高的FNP发生率(57.5%)相关。这项研究为腮腺切除术后FNP的发生率和严重程度提供了有价值的见解。尽管努力标准化手术技术，持续瘫痪仍然是一个重大问题。
