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Patients performed functional electrical stimulation (FES) home training twice daily over 1 year to show its effect and define stimulation parameters. A specific response was obtained in all 10 patients. Since the mean phase duration (PD) could be reduced (155.0\u2009\u00b1\u200955.0 to 51.0\u2009\u00b1\u200912.4 msec), this allowed the mean stimulation frequency to be increased (1.3\u2009\u00b1\u20090.5 to 5.0\u2005Hz\u2009\u00b1\u20091.5\u2005Hz). The PD reduction to generate the same charge increased the voltage (16.2\u2009\u00b1\u20092.5 to 27.2\u2005V\u2009\u00b1\u20095.9). A suitable combination of PD and amplitude elicited a selective response without activation of other facial muscles using a PD of\u2009\u2265\u200925\u2005ms (&gt; 25 000 \u00b5s). FES changes the stimulation parameters for improving the training effect on denervated facial muscles. It prevents denervation atrophy and stops facial asymmetry.<\/jats:p>","DOI":"10.1177\/09226028251395721","type":"journal-article","created":{"date-parts":[[2025,11,24]],"date-time":"2025-11-24T19:07:47Z","timestamp":1764011267000},"page":"3-14","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Home-based Functional Electrical Stimulation for Treatment of Patients with Facial Nerve Paralysis"],"prefix":"10.1177","volume":"44","author":[{"ORCID":"https:\/\/orcid.org\/0009-0002-3688-2853","authenticated-orcid":false,"given":"Maren","family":"Geitner","sequence":"first","affiliation":[{"name":"Department of Otorhinolaryngology, Jena University Hospital, Jena, Germany"},{"name":"Facial-Nerve-Center, Jena University Hospital, Jena, Germany"},{"name":"Center of Rare Diseases, Jena University Hospital, Jena, Germany"},{"name":"Interdisciplinary Center for Clinical Research (IZKF), Jena University Hospital, Jena, 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