Prognostic role of neurophysiological testing 3-7 days after onset of acute unilateral Bell's palsy

Neurophysiologie clinique = Clinical neurophysiology
Eman M KhedrAyman Gamea

Abstract

Recovery from acute Bell's palsy (BP) is variable and there are few predictors of response. We evaluated the usefulness of a range of neurophysiological parameters to predict outcome in BP. Fifty-nine patients (age: 33.7±15.4 years) with acute unilateral BP were recruited within 3-7 days of onset. They were evaluated with electroneurography, facial nerve excitability, and the blink reflex. House-Brackmann (HB) clinical scores were obtained at the same time and three months later. All patients received prednisolone treatment and regular rehabilitation. At three months, 41 patients (69.5%) had good recovery, while 18 patients (30.5%) had poor recovery according to the HB scale. The facial nerve excitability threshold and threshold difference between sides were significantly lower in patients with good recovery than those with poor recovery (P values=0.022 and 0.006 respectively). Facial nerve degeneration rate (1 - affected/unaffected amplitude of CMAP of muscle ×100%) recorded in frontalis (P=0.002) and orbicularis oris (P=0.038) were also smaller in good recovery than poor recovery patients. There were no differences in latency and amplitude of CMAPs recorded from frontalis or orbicularis oris muscle, nor in latencies of the co...Continue Reading

Citations

Apr 2, 2020·Case Reports in Dentistry·João Paulo Colesanti TanganeliSandra Kalil Bussadori
Jul 1, 2020·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Diane PicardPeggy Gatignol
Oct 11, 2020·Annales de chirurgie plastique et esthétique·D PicardP Gatignol
Jul 9, 2020·European Annals of Otorhinolaryngology, Head and Neck Diseases·M FieuxS Tringali

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