Head-to-Head Comparison of Fundamental, Tissue Harmonic and Contrast Harmonic Imaging With or Without an Air-Filled Contrast Agent, Levovist, for Endocardial Border Delineation in Patients With Poor Quality Images
スポンサーリンク
概要
- 論文の詳細を見る
Recent developments in tissue harmonic imaging and intravenous contrast agents have enhanced left ventricular endocardial border delineation (EBD). In a total of 48 patients with poor quality images, apical 4- and 2-chamber views were obtained with fundamental, tissue harmonic and contrast harmonic imaging with or without intravenous Levovist, an air-filled contrast agent. The left ventricle (LV) was divided into 12 segments, and the EBD of each segment was scored: (1) not visible, (2) barely visible, (3) well delineated. The EBD index (EBDI), defined as the sum of the endocardial scores divided by 12 was obtained for each patient. Of a total of 576 LV segments, 231 were scored as 1 by fundamental imaging and that number decreased to 125 segments by tissue harmonic imaging and 116 segments by fundamental imaging with Levovist. The number of segments scored as I decreased to 38 segments by tissue harmonic imaging with Levovist, and to 29 segments by contrast harmonic imaging with Levovist. The EBDI by fundamental imaging was 1.85±0.29, which improved significantly with the addition of Levovist (2.10±0.36, p<0.001) and was nearly identical to that by tissue harmonic imaging (2.15±0.32, p=NS). Tissue and contrast harmonic imaging with Levovist further enhanced the EBDI (2.43±0.26, 2.51±0.27, respectively). Levovist enhances EBD, even in the fundamental mode, to the level obtained with tissue harmonic imaging. Tissue harmonic and contrast harmonic imaging are the best modalities for enhancing EBD after Levovist injection.
- 社団法人日本循環器学会の論文
- 2002-04-20
著者
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Yoshikawa Junichi
Department of Internal Medicine and Cardiology, Osaka City University School of Medicine
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Yamaguchi Junichi
Division Of Cardiology Saitama Prefecture Cardiovascular And Respiratory Center
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Takeuchi Masaaki
Department of Internal Medicine and Cardiology, Tane General Hospital
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Yoshitani Hidetoshi
Department of Internal medicine and Cardiology, Graduate School of Medicine, Osaka City University
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Hirose Makoto
Department of Cardiology, Higashisumiyoshi Morimoto Hospital
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Sakamoto Kazuo
Department of Cardiology, Saiseikai Fukuoka General Hospital
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Yoshikawa Junichi
Department Of Cardiology Osaka City University Medical School
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Miyazaki Chinami
Department of Intenal Medicine, Tane General Hospital
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Otani Shinichiro
Department Of Internal Medicine Tane General Hospital
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Yoshitani Hidetoshi
Second Department Of Internal Medicine University Of Occupational And Environmental Health School Of
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Yoshitani Hidetoshi
Department Of Internal Medicine And Cardiology Graduate School Of Medicine Osaka City University
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Yoshitani Hidetoshi
Second Department Of Internal Medicine University Of Occupational And Environmental Health
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Hirose Makoto
Department Of Biochemistry And Molecular Biology In Disease Nagasaki University Graduate School Of B
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Hirose Makoto
Department Of Internal Medicine Tane General Hospital
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Sakamoto Kazuo
Department Of Internal Medicine Tane Genaral Hospital
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Sakamoto Kazuo
Department Of Cardiology Saiseikai Fukuoka General Hospital
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Otani Shinichiro
Department Of Cardiology And Internal Medicine Tane General Hospital
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Miyazaki Chinami
Department Of Internal Medicine Tane General Hospital
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Ohtani Shinichiro
Department Of Cardiology And Internal Medicine Tane General Hospital
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Takeuchi Masaaki
Department Of Cardiology And Internal Medicine Tane General Hospital
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Yoshitani Hidetoshi
Second Department Of Internal Medicine University Of Occupational And Environmental Health School Of
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Yoshitani Hidetoshi
Department Of Cardiology Kawasaki Medical School
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MIYAZAKI Chinami
Department of Cardiovascular Medicine, Higashisumiyoshi Morimoto Hospital
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