Evaluation of Aneurysm Stability After Endovascular Embolization With Guglielmi Detachable Coils : Correlation Between Long-Term Stability and Volume Embolization Ratio
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概要
- 論文の詳細を見る
The correlation between volume embolization ratio (VER), the percentage of aneurysm volume occupied by coils, and aneurysm stability after endovascular treatment with platinum coils was studied in 86 patients who underwent embolization of 88 cerebral saccular aneurysms with standard platinum coils between March 1997 and January 2003. Radiographic follow up was possible of 62 aneurysms with greater than 70% obliteration on immediate post-procedure angiograms for more than 6 months. Immediate post-procedure evaluation found that 12 of 14 small (<4mm), 12 of 38 medium (4-<10mm), and two of 10 large (≥10mm) aneurysms had high (≥25%) VER. In addition, the VER was high in 22 of 40 aneurysms with small (<4mm) and four of 22 with wide necks (≥4mm). Evaluation of 57 aneurysms at 6 months after coil embolization found recanalization in two of 25 aneurysms with high VER and 21 of 32 with low (<25%) VER, indicating that aneurysms with high VER are significantly more stable than those with low VER (p<0.01). VER strongly affects aneurysm stability, so high VER is desirable and a useful predictor of aneurysm stability.
- 日本脳神経外科学会の論文
- 2005-11-15
著者
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SATOH Koichi
Departments of Neurological Surgery
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SATOMI Junichiro
Departments of Neurological Surgery
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MATSUBARA Shunji
Departments of Neurological Surgery
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NAGAHIRO Shinji
Departments of Neurological Surgery
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Nagahiro Shinji
Department Of Neurosurgery Institute Of Health Biosciences The University Of Tokushima Graduate Scho
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Nagahiro Shinji
Department Of Neurosurgery School Of Medicine The University Of Tokushima Tokushima
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YAGI Kenji
Department of Anesthesiology, St. Marianna University School of Medicine
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Yagi K
Department Of Applied Bioscience Graduate School Of Agriculture Hokkaido University
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Yagi Kenji
Department Of Neurological Surgery School Of Medicine The University Of Tokushima
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Yagi Kenji
Department Of Anesthesiology St. Marianna University School Of Medicine
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Nagahiro Shinji
Departments Of Neurological Surgery The University Of Tokushima
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Satoh K
Department Of Electronic Engineering Faculty Of Engineering Osaka University:(present Address) Resea
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Matsubara S
Department Of Geology National Science Museum
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Nagahiro Shinji
Department Of Neurosurgery Institute Of Health Biosciences The University Of Tokushima Graduate Scho
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Satomi Junichiro
Department Of Neurosurgery School Of Medicine The University Of Tokushima Tokushima
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Matsubara Shunji
Department Of Neurosurgery School Of Medicine Institute Of Health Biosciences The University Of Toku
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Satoh Koichi
Department Of Neurosurgery School Of Medicine The University Of Tokushima Tokushima
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Satoh Koichi
Department Of Forensic Medicine Juntendo University School Of Medicine
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Matsubara Shunji
Department Of Neurosurgery Kawasaki Medical School
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Satomi J
Department of Neurological Surgery, School of Medicine, The University of Tokushima
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Nagahiro S
Department of Neurological Surgery, School of Medicine, The University of Tokushima
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