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

Authors
 Dong Ah Shin  ;  Keun Young Park  ;  Gyu Yeul Ji  ;  Seong Yi  ;  Yoon Ha  ;  Seoung Woo Park  ;  Do Heum Yoon  ;  Keung Nyun Kim 
Citation
 YONSEI MEDICAL JOURNAL, Vol.56(2) : 397-402, 2015 
Journal Title
YONSEI MEDICAL JOURNAL
ISSN
 0513-5796 
Issue Date
2015
MeSH
Adult ; Aged ; Angiography ; Arteriovenous Fistula/diagnostic imaging ; Arteriovenous Fistula/pathology* ; Arteriovenous Fistula/surgery* ; Central Nervous System Vascular Malformations/diagnostic imaging ; Central Nervous System Vascular Malformations/pathology* ; Central Nervous System Vascular Malformations/surgery* ; Embolization, Therapeutic/methods* ; Female ; Humans ; Magnetic Resonance Imaging* ; Male ; Middle Aged ; Postoperative Period ; Predictive Value of Tests ; Prognosis ; Retrospective Studies ; Severity of Illness Index ; Spinal Cord/abnormalities ; Spinal Cord/blood supply* ; Spinal Cord/pathology ; Spinal Cord/surgery ; Treatment Outcome
Keywords
Spine ; dural arteriovenous fistula ; magnetic resonance imaging ; neurologic manifestations
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.
Files in This Item:
T201501453.pdf Download
DOI
10.3349/ymj.2015.56.2.397
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Keung Nyun(김긍년)
Park, Keun Young(박근영)
Shin, Dong Ah(신동아) ORCID logo https://orcid.org/0000-0002-5225-4083
Yoon, Do Heum(윤도흠) ORCID logo https://orcid.org/0000-0003-1452-5724
Yi, Seong(이성)
Ji, Gyu Yeul(지규열)
Ha, Yoon(하윤)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/140140
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