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Randomized Controlled Trial
. 2024 Sep;27(3):707-714.
doi: 10.1007/s40477-024-00927-3. Epub 2024 Jun 23.

Ultrasonography as diagnostic and prognostic tool and Therapeutic role of repetitive peripheral magnetic stimulation in acute idiopathic facial nerve palsy

Laila Elmously Naguib  1 , Ghada Saed Abdel Azim  2 , Seham Abdallah Elazab  3 , Hadeir Said Mohamed  1
Affiliations
Randomized Controlled Trial

Ultrasonography as diagnostic and prognostic tool and Therapeutic role of repetitive peripheral magnetic stimulation in acute idiopathic facial nerve palsy

Laila Elmously Naguib et al. J Ultrasound. 2024 Sep.

Abstract

Purpose: Repetitive Peripheral Magnetic Stimulation [rPMS] is a non-invasive tool that has a potential therapeutic role in many musculoskeletal disorders. We aimed to demonstrate the therapeutic efficacy of high frequency [rPMS] in acute Idiopathic Facial Nerve Palsy [IFP]. And to study the role of neuromuscular ultrasonography in acute idiopathic facial palsy.

Methods: Forty patients, aged above 18 years, diagnosed with unilateral acute [within 7 days of onset] idiopathic facial palsy were enrolled and randomly divided into intervention group [20 patients] and control group. Both groups underwent clinical examination, assessment of facial nerve disability by House-Brackmann grading [HBG] score and Facial Disability Index [FDI] score, ultrasonography of facial nerve of both normal and affected sides at baseline and after 6 weeks, medical treatment and routine rehabilitation therapy. The intervention group were subjected to 10 sessions of high frequency r PMS [5/week for 2 successive weeks] on the affected side.

Results: Both [HBG] and [FDI] showed more significant improvement in the intervention group in comparison to the control group after 6 weeks follow up. Ultrasonographic measures of facial nerve in the affected side were significantly larger than non-affected side at baseline. However, those measures significantly decreased after 6 weeks follow up. Surprisingly, the intervention group showed more significant decrease in facial nerve dimeter at proximal portion [without sheath] in comparison to control group.

Conclusion: high frequency r PMS have an adjuvant role in treatment of acute idiopathic facial palsy. Also, ultrasonography has beneficial role in evaluation and prognosis of [IFP].

Keywords: Idiopathic facial palsy; Repetitive peripheral magnetic stimulation; Ultrasonography.

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Conflict of interest statement

The authors have no relevant financial or non-financial interests to disclose.

Figures

Fig. 1
Fig. 1
Ultrasound screen showing marking of facial nerve proximal and distal diameters (with and without sheath) in the affected side in a patient with Bell`s palsy
Fig. 2
Fig. 2
Ultrasound screen showing marking of facial nerve proximal and distal diameters (with and without sheath) in the affected side in another patient at baseline
Fig. 3
Fig. 3
Scatter Plot between HB grade Post follow up and Proximal (Sheath) (mm) at baseline
Fig. 4
Fig. 4
Scatter Plot between HB grade Post follow up and Proximal (mm) at baseline
See this image and copyright information in PMC

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