ArticleFrontiers in neurology2025
Impact of offending vessel location on lateral spread response variations in hemifacial spasm patients.
Article in Frontiers in neurology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Etiological analysis and reoperative strategies for recurrent or failed hemifacial spasm after microvascular decompression.Neurosurgical review · 2026Article
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7 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Objective: This study aims to investigate the impact of the offending vessel's compression location on intraoperative lateral spread response (LSR) waveform parameters during microvascular decompression (MVD) for hemifacial spasm (HFS). Additionally, the study evaluates the clinical significance of LSR variations in intraoperative electrophysiological monitoring. Methods: A retrospective analysis was conducted on 72 patients with HFS who underwent MVD at Nanjing Brain Hospital between September 2021 and September 2023. Patients were categorized into two groups based on the compression site of the offending vessel on the facial nerve: the transitional zone (TZ) group and the attached segment (AS) group. General clinical characteristics, intraoperative LSR parameters, and postoperative outcomes were compared between groups. Statistical analyses focused on LSR latency, amplitude, and duration, as well as the patterns of LSR disappearance and postoperative complications. Results: The TZ group comprised 31 patients, while the AS group included 41. No significant differences were observed in baseline characteristics between groups. Intraoperative monitoring revealed that LSR disappearance was more frequently incomplete in the TZ group (11.1%) than in the AS group ( Conclusion: The compression location of the offending vessel significantly influences LSR parameters, with longer latency and prolonged duration observed in the AS group. Despite these variations, postoperative outcomes and complications were comparable between groups. These findings highlight the importance of considering the compression location during MVD and the potential value of LSR monitoring in guiding surgical decision-making.
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