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Neurosurgical Review
Published in: Neurosurgical Review 1/2024

01-12-2024 | Pica | Research

Microvascular decompression for hemifacial spasm after Bell’s palsy: a retrospective clinical study

Authors: Chengrong Jiang, Jing Wang, Yulong Chong, Wu Xu, Weibang Liang

Published in: Neurosurgical Review | Issue 1/2024

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Abstract

Objective

This study aimed to investigate the clinical characteristics of hemifacial spasm (HFS) after Bell’s palsy and to evaluate the therapeutic efficacy of microvascular decompression (MVD).

Methods

A retrospective analysis was conducted on 18 patients who underwent MVD for HFS after Bell’s palsy at our institution between January 1, 2017, and December 31, 2021. Clinical presentations, intraoperative findings, postoperative outcomes, and complications were comprehensively assessed.

Results

Neurovascular compression (NVC) was identified in all the 18 patients. The offending vessels included anterior inferior cerebellar artery (AICA) in 6 patients (33.3%), posterior inferior cerebellar artery (PICA) in 7 patients (38.9%), vertebral artery (VA) combined with AICA in 3 patients (16.7%), and VA alongside PICA in 2 patients (11.1%). Notably, marked arachnoid membrane adhesion was evident in 11 patients (61.1%). 15(83.3%) patients were cured immediately after MVD, delayed relief was found in 3 (16.7%) patients. During the follow-up period, recurrence was not documented. Surgical complications were limited to facial paralysis in 3 patients and auditory impairment in 1 patient. No additional surgical complications were recorded.

Conclusions

In patients manifesting HFS after Bell’s palsy, NVC predominantly underlies the etiology. MVD is a reliably safe and efficacious therapeutic intervention.
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Metadata
Title
Microvascular decompression for hemifacial spasm after Bell’s palsy: a retrospective clinical study
Authors
Chengrong Jiang
Jing Wang
Yulong Chong
Wu Xu
Weibang Liang
Publication date
01-12-2024
Publisher
Springer Berlin Heidelberg
Keyword
Pica
Published in
Neurosurgical Review / Issue 1/2024
Print ISSN: 0344-5607
Electronic ISSN: 1437-2320
DOI
https://doi.org/10.1007/s10143-024-02328-w

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