ArticleLife (Basel, Switzerland)2023
Outcomes after Microvascular Decompression for Hemifacial Spasm without Definite Radiological Neurovascular Compression at the Root Exit Zone.
Article in Life (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 6 citations in OpenAlex.
- Cognitive Impairment and Central Sleep Apnea Secondary to Tortuous Vertebral Artery Compression of the Medulla, Mimicking Alzheimer's Disease.Internal medicine (Tokyo, Japan) · 2026Article
- Neurovascular Compression Syndromes of Cranial Nerves: A Multidisciplinary Guide to Management.Brain sciences · 2026Review
- Venous compression of the facial nerve root exit zone by a transverse pontine vein: Intraoperative findings and quantitative lateral spread response monitoring.Surgical neurology international · 2026Article
- Multicentric comparative study of botulinum toxin treatment in patients with hemifacial spasm.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 · 2025Article
- Impact of offending vessel location on lateral spread response variations in hemifacial spasm patients.Frontiers in neurology · 2025Article
- Treatment Challenges in Hemifacial Spasm: The Role of Magnetic Resonance Imaging.World journal of plastic surgery · 2024Review
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Authors and funding
5 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The purpose of this study was to investigate the outcome of microvascular decompression (MVD) in patients with hemifacial spasm (HFS) who have no definite radiological neurovascular compression (NVC). Sixteen HFS patients without radiological NVC on preoperative MRI underwent MVD surgery. The symptoms were left-sided in fourteen (87.5%) and right-sided in two patients (12.5%). Intraoperatively, the most common vessel compressing the facial nerve was the AICA (8, 44.4%), followed by arterioles (5, 27.8%), veins (4, 22.2%), and the PICA (1, 5.6%). The most common compression site was the cisternal portion (13, 76.5%) of the facial nerve, followed by the REZ (4, 23.5%). One patient (6.3%) was found to have multiple NVC sites. Arachnoid type (7, 50%) was the most common compressive pattern, followed by perforator type (4, 28.6%), sandwich type (2, 14.3%), and loop type (1, 7.1%). A pure venous compression was seen in two patients, while a combined venous-arterial "sandwich" compression was detected in two patients. Symptom improvement was observed in all of the patients. Only one patient experienced recurrence after improvement. Based on our experience, MVD surgery can be effective for primary HFS patients with no definite radiological NVC. MVD can be considered if the patient shows typical HFS features, although NVC is not evident on MRI.
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