The use of magnetic resonance imaging in predicting the clinical outcome of spinal arteriovenous fistula

DongAh Shin, Keun Young Park, Gyu Yeul Ji, Seong Yi, Yoon Ha, Seoung Woo Park, Do Heum Yoon, Keung Nyun Kim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Purpose: Magnetic resonance imaging (MRI) has been used to screen and follow-up spinal dural arteriovenous fistulae (SDAVF). The purpose of this study was to evaluate the association between MRI findings and neurologic function in SDAVF. This study also investigated clinical features and treatment results of SDAVF. Materials and Methods: A total of 15 consecutive patients who underwent embolization or surgery for SDAVF were included. We treated seven (60%) patients with embolization and six (40%) with surgery. We analysed clinical features, MRI findings, treatment results, and neurologic function. Neurologic function was measured by the Aminoff-Logue disability scale (ALS). Results: Patients with longer levels of intramedullary high signal intensity in preoperative T2-weighted images (T2WI) exhibited worse pre- and postoperative ALS scores (r=0.557, p=0.031; r=0.530, p=0.042, Pearson correlation). Preoperative ALS score was significantly correlated with postoperative ALS score (r=0.908, p=0.000, Pearson correlation). The number of levels showing intramedullary high signal intensity in T2WI decreased significantly postoperatively (5.2±3.1 vs. 1.0±1.4, p=0.001, Wilcoxon ranked test). Conclusion: The number of involved levels of high signal intensity in preoperative T2WI is useful for predicting pre- and postoperative neurologic function in SDAVF.

Original languageEnglish
Pages (from-to)397-402
Number of pages6
JournalYonsei medical journal
Volume56
Issue number2
DOIs
Publication statusPublished - 2015 Jan 1

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Central Nervous System Vascular Malformations
Arteriovenous Fistula
Magnetic Resonance Imaging
Nervous System
Neurologic Manifestations
Therapeutics

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

Shin, DongAh ; Park, Keun Young ; Ji, Gyu Yeul ; Yi, Seong ; Ha, Yoon ; Park, Seoung Woo ; Yoon, Do Heum ; Kim, Keung Nyun. / The use of magnetic resonance imaging in predicting the clinical outcome of spinal arteriovenous fistula. In: Yonsei medical journal. 2015 ; Vol. 56, No. 2. pp. 397-402.
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abstract = "Purpose: Magnetic resonance imaging (MRI) has been used to screen and follow-up spinal dural arteriovenous fistulae (SDAVF). The purpose of this study was to evaluate the association between MRI findings and neurologic function in SDAVF. This study also investigated clinical features and treatment results of SDAVF. Materials and Methods: A total of 15 consecutive patients who underwent embolization or surgery for SDAVF were included. We treated seven (60{\%}) patients with embolization and six (40{\%}) with surgery. We analysed clinical features, MRI findings, treatment results, and neurologic function. Neurologic function was measured by the Aminoff-Logue disability scale (ALS). Results: Patients with longer levels of intramedullary high signal intensity in preoperative T2-weighted images (T2WI) exhibited worse pre- and postoperative ALS scores (r=0.557, p=0.031; r=0.530, p=0.042, Pearson correlation). Preoperative ALS score was significantly correlated with postoperative ALS score (r=0.908, p=0.000, Pearson correlation). The number of levels showing intramedullary high signal intensity in T2WI decreased significantly postoperatively (5.2±3.1 vs. 1.0±1.4, p=0.001, Wilcoxon ranked test). Conclusion: The number of involved levels of high signal intensity in preoperative T2WI is useful for predicting pre- and postoperative neurologic function in SDAVF.",
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The use of magnetic resonance imaging in predicting the clinical outcome of spinal arteriovenous fistula. / Shin, DongAh; Park, Keun Young; Ji, Gyu Yeul; Yi, Seong; Ha, Yoon; Park, Seoung Woo; Yoon, Do Heum; Kim, Keung Nyun.

In: Yonsei medical journal, Vol. 56, No. 2, 01.01.2015, p. 397-402.

Research output: Contribution to journalArticle

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