Detection of Coronary Plaque by Computed Tomography With a Novel Plaque Analysis System, `Plaque Map', and Comparison With Intravascular Ultrasound and Angioscopy
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- Komatsu Sei
- Cardiovascular Division, Osaka Police Hospital
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- Hirayama Atsushi
- Cardiovascular Division, Osaka Police Hospital
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- Omori Yosuke
- Cardiovascular Division, Osaka Police Hospital
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- Ueda Yasunori
- Cardiovascular Division, Osaka Police Hospital
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- Mizote Isamu
- Cardiovascular Division, Osaka Police Hospital
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- Fujisawa Yasuo
- Department of Radiological Technology, Osaka Police Hospital
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- Kiyomoto Masayoshi
- Department of Radiological Technology, Osaka Police Hospital
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- Higashide Toshiaki
- Department of Radiological Technology, Osaka Police Hospital
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- Kodama Kazuhisa
- Cardiovascular Division, Osaka Police Hospital
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Background Previous reports suggest that plaque may be characterized by the computed tomography (CT) number, but there is not a comprehensive method for evaluating the gray-scale CT image of the coronary artery obtained by multi-detector row CT (MDCT). Methods and Results Forty-five patients with acute coronary syndrome (ACS) underwent MDCT either 3-4 weeks after the onset of acute myocardial infarction (n=24) or within 1 week after percutaneous coronary intervention in patients with unstable angina (UA; n=21). The cross-sections obtained at intervals of 5 mm were converted to numerical data and a `plaque map' was drawn using the color-based isometric line method and bird's eye view. `Plaque map' was compared with the findings of intravascular ultrasound (IVUS) and angioscopy. Of 662 slices of 78 vessels, soft, intermediate or calcified plaque was detected in 144, 134, and 84 slices, respectively. Compared with IVUS, the sensitivities were 92%, 87%, and 89%, respectively, and compared with angioscopy, sensitivity was 80% and specificity was 87%. Conclusions MDCT with the `Plaque Map' system can noninvasively characterize plaque in patients with ACS. (Circ J 2005; 69: 72 - 77)<br>
収録刊行物
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- Circulation Journal
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Circulation Journal 69 (1), 72-77, 2005
一般社団法人 日本循環器学会
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詳細情報 詳細情報について
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- CRID
- 1390001205102289536
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- NII論文ID
- 110002696045
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- NII書誌ID
- AA11591968
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- ISSN
- 13474820
- 13469843
- http://id.crossref.org/issn/13469843
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- PubMed
- 15635207
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- 本文言語コード
- en
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- JaLC
- Crossref
- PubMed
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