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However, detecting the AKA is very difficult in patients with an SAVS when using computed tomography angiography (CTA) by the usual method to find the hairpin curved artery because dilated drainage veins nearly always coexist with the hairpin curved AKA. We designed a method to identify the AKA by focusing on the diameter and pathway of the anterior radiculomedullary arteries (RMAs).\n\nMaterial and methods\nSeven consecutive patients with an SAVS were surveyed. They underwent contrast-enhanced CTA and conventional angiography from January 2009 to December 2012. Two readers evaluated the CTA images and assumed that the AKA was the artery that ran through the anterior portion of the neural foramen and continued to pass on the ventral side of the spinal cord.\n\nResults\nAmong the seven patients, nine AKAs were detected with conventional angiography. When using our method, seven AKAs and six AKAs were identified on CTA by Reader 1 and Reader 2, respectively. 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Detection of the artery of Adamkiewicz using multidetector row computed tomography in patients with spinal arteriovenous shunt disease
http://hdl.handle.net/2241/00161335
http://hdl.handle.net/2241/00161335705f6ba6-cdb0-4768-9884-1fa838113567
名前 / ファイル | ライセンス | アクション |
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PJR_85 (966.9 kB)
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Item type | Journal Article(1) | |||||||||||
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公開日 | 2020-09-15 | |||||||||||
タイトル | ||||||||||||
言語 | en | |||||||||||
タイトル | Detection of the artery of Adamkiewicz using multidetector row computed tomography in patients with spinal arteriovenous shunt disease | |||||||||||
言語 | ||||||||||||
言語 | eng | |||||||||||
資源タイプ | ||||||||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||||||||
タイプ | journal article | |||||||||||
著者 |
星合, 壮大
× 星合, 壮大× 増本, 智彦
WEKO
141902
× Shiigai, Masanari× Konishi, Takahiro× Nakai, Yasunobu |
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | Purpose To plan a treatment strategy for a spinal arteriovenous shunt (SAVS), identifying the artery of Adamkiewicz (AKA) and its origin is indispensable. However, detecting the AKA is very difficult in patients with an SAVS when using computed tomography angiography (CTA) by the usual method to find the hairpin curved artery because dilated drainage veins nearly always coexist with the hairpin curved AKA. We designed a method to identify the AKA by focusing on the diameter and pathway of the anterior radiculomedullary arteries (RMAs). Material and methods Seven consecutive patients with an SAVS were surveyed. They underwent contrast-enhanced CTA and conventional angiography from January 2009 to December 2012. Two readers evaluated the CTA images and assumed that the AKA was the artery that ran through the anterior portion of the neural foramen and continued to pass on the ventral side of the spinal cord. Results Among the seven patients, nine AKAs were detected with conventional angiography. When using our method, seven AKAs and six AKAs were identified on CTA by Reader 1 and Reader 2, respectively. The average sensitivity was 72.3%, and the specificity, accuracy, positive predictive value, and negative predictive value were sufficiently high (i.e. > 85%) for both readers. The kappa value for detecting the AKA was 0.98. Conclusions Detecting the origin of the AKA with CTA is challenging in patients with an SAVS. However, focusing on the diameter and pathway of the RMAs may allow successful identification. |
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書誌情報 |
en : Polish Journal of Radiology 巻 85, p. e163-e168, 発行日 2020-03 |
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ISSN | ||||||||||||
収録物識別子タイプ | ISSN | |||||||||||
収録物識別子 | 1899-0967 | |||||||||||
PubMed番号 | ||||||||||||
識別子タイプ | PMID | |||||||||||
関連識別子 | 32322323 | |||||||||||
DOI | ||||||||||||
識別子タイプ | DOI | |||||||||||
関連識別子 | 10.5114/pjr.2020.94075 | |||||||||||
権利 | ||||||||||||
権利情報 | © Polish Medical Society of Radiology This is an Open Access article distributed under the terms of the Creative Commons Attribution-Noncommercial-No Derivatives 4.0 International (CC BY-NC-ND 4.0). License allowing third parties to download articles and share them with others as long as they credit the authors and the publisher, but without permission to change them in any way or use them commercially. | |||||||||||
著者版フラグ | ||||||||||||
値 | publisher | |||||||||||
出版者 | ||||||||||||
出版者 | Polish Medical Society of Radiology |