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Given the dearth of available information, we reported herein our experience with 2 cases of posttraumatic dFNP. This systematic review aimed to evaluate all available information on dFNP and to assess treatment outcome also comparing conservatively and surgically approaches.<\/jats:p><\/jats:sec><jats:sec><jats:title>Data Sources<\/jats:title><jats:p>Pubmed, Scopus, and Web of Science databases were systematically screened.<\/jats:p><\/jats:sec><jats:sec><jats:title>Review Methods<\/jats:title><jats:p>The protocol of this investigation was registered on PROSPERO in April 2023 and the systematic review was performed according to the Preferred Reporting Items for Systematic Reviews and Meta\u2010analyses statement.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Both patients in the case studies showed a complete recovery within 2 to 3 months after the head trauma. One of them still reported a subjective taste alteration at last control. After the application of the inclusion\u2010exclusion criteria, 9 manuscripts with adequate relevance to this topic were included in the systematic review. The study population consisted of 1971 patients with a diagnosis of posttraumatic facial nerve palsy, of which 128 with a dFNP.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>dFNP due to head trauma is a rarely encountered clinical entity, and optimal treatment still remains to be elucidated. Based on the reported data, it seems rational to propose a conservative approach for dFNP with steroid administration as a first line in most cases, indicating surgery in severe and\/or refractory cases.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ohn.829","type":"journal-article","created":{"date-parts":[[2024,5,21]],"date-time":"2024-05-21T02:44:44Z","timestamp":1716259484000},"page":"990-999","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Post\u2010traumatic Delayed Facial Nerve Palsy: Report of 2 Cases and Systematic Review"],"prefix":"10.1002","volume":"171","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3687-8814","authenticated-orcid":false,"given":"Antonio","family":"Daloiso","sequence":"first","affiliation":[{"name":"Department of Neuroscience DNS Otolaryngology Section University of Padua Padua 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