ArticleAsian journal of neurosurgery2026
Spinal Intradural Arteriovenous Shunt: Angiographic Characteristics and Treatment Outcomes.
Article in Asian journal of neurosurgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
Introduction: Spinal intradural arteriovenous shunt (SIAVS) is a rare entity of vascular diseases, classified into spinal cord arteriovenous malformation (SCAVM), spinal cord arteriovenous fistula (SCAVF), filum terminale arteriovenous fistula (FTAVF), and radicular arteriovenous malformation (AVM). Clinical presentations commonly include progressive myelopathy due to spinal venous congestion and hemorrhagic events. Objective: This study aimed to describe the clinical presentations, angiographic characteristics, and treatment outcomes. Materials and Methods: This retrospective study was conducted between 2010 and 2023. The collected data included demographic characteristics, clinical presentations, radiological findings, treatment modalities, treatment outcomes, and complications. Functional outcomes were assessed pre- or posttreatment using the Modified Aminoff and Logue Disability Scale. Results: A total of 36 patients (22 males) were included, with a mean age at diagnosis of 30.7 years. Seventeen patients were diagnosed with SCAVM, 15 with SCAVF, and 4 with FTAVF. Progressive myelopathy was significantly found in patients with the fistulous type (SCAVF and FTAVF; Conclusion: Transarterial glue embolization is an effective treatment for SIAVS, providing significant neurological improvement, even in cases of partial embolization. The potential risk of anterior spinal artery occlusion must be carefully evaluated. Surgical intervention remains a viable alternative.
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