Auris, nasus, larynx · 2019
Recurrent facial palsy: The prognostic value of electrophysiological tests according to recurrence interval.
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Yoshihara Shintaro, Suzuki Sayaka, Yamasoba Tatsuya, Kondo Kenji
Аннотация
OBJECTIVE: The prognostic value of nerve excitability tests (NET) and electroneurography (ENoG) for recurrent peripheral facial palsy is poorly understood. This study aimed to evaluate the association between NET/ENoG results for the current palsy and recovery.
METHODS: We extracted data on patients who were referred to our hospital (2005-2017). Adult patients with recurrent peripheral facial palsy who underwent NET and ENoG within 3 weeks of onset were retrospectively analyzed (n = 26). Favorable recovery was defined as the achievement of either House-Brackmann grade I/II or the same level of facial movement as before the current palsy. We evaluated the predictive NET/ENoG results by making comparison between the favorable recovery group and the unfavorable recovery group, which were subdivided based on the length of time after the previous palsy.
RESULTS: In terms of patients with a >4-year recurrent interval, 8 out of 12 patients achieved favorable recovery. Compared to the favorable recovery group, the unfavorable recovery group had significantly higher NET results (9.03 mA vs. -1.08 mA, p = 0.017). Also, the unfavorable recovery group had significantly higher NET results in patients with a >2-year recurrent interval (9.03 mA vs. 1.06 mA, p = 0.036). However, other test results (NET in ≤4-year recurrent interval/all 26 patients, and ENoG in >4-year recurrent interval/≤4-year recurrent interval/all 26 patients) did not differ significantly between patients with favorable and unfavorable recovery.
CONCLUSION: NET might be a useful prediction method in patients with at least a few years interval between the previous and the current palsy.
METHODS: We extracted data on patients who were referred to our hospital (2005-2017). Adult patients with recurrent peripheral facial palsy who underwent NET and ENoG within 3 weeks of onset were retrospectively analyzed (n = 26). Favorable recovery was defined as the achievement of either House-Brackmann grade I/II or the same level of facial movement as before the current palsy. We evaluated the predictive NET/ENoG results by making comparison between the favorable recovery group and the unfavorable recovery group, which were subdivided based on the length of time after the previous palsy.
RESULTS: In terms of patients with a >4-year recurrent interval, 8 out of 12 patients achieved favorable recovery. Compared to the favorable recovery group, the unfavorable recovery group had significantly higher NET results (9.03 mA vs. -1.08 mA, p = 0.017). Also, the unfavorable recovery group had significantly higher NET results in patients with a >2-year recurrent interval (9.03 mA vs. 1.06 mA, p = 0.036). However, other test results (NET in ≤4-year recurrent interval/all 26 patients, and ENoG in >4-year recurrent interval/≤4-year recurrent interval/all 26 patients) did not differ significantly between patients with favorable and unfavorable recovery.
CONCLUSION: NET might be a useful prediction method in patients with at least a few years interval between the previous and the current palsy.