DIAGNOSTIC VALUE OF TRANSIENT DILATATION OF THE LEFT VENTRICLE IN NEGATIVE DIPYRIDAMOLE-THALLIUM IMAGING
スポンサーリンク
概要
- 論文の詳細を見る
To evaluate the diagnostic value of a transient dilatation of the left ventricle during dipyridamole-thallium imaging (DTI) for detecting significant coronary artery disease (CAD) in patients with negative DTI results, 81 consecutive patients were studied. Twenty one patients (26%) had CAD and 60 patients had normal coronary anatomy (NCA). The initial/delayed ratio of the left ventricular dimension, which was measured as the distance between the 2 peaks of a count profile curve on a 45° left anterior oblique planar image, was defined as the dilatation ratio (DR) of the left ventricle. Patients with CAD had a higher incidence of chest pain after dipyridamole infusion (35 vs 13% ; p<0.05), and ST depression during exercise testing (50 vs 25%; p<0.05) than those with NCA. DR was significantly greater in CAD patients than in NCA patients (1.08±0.10 vs 0.97±0.03; p<0.0001). DR was considered abnormal (>1.03) when it was greater than the mean +2 standard deviations of the DR in NCA patients. Seventy-six percent of CAD patients had an abnormal DR. A stepwise discriminant analysis revealed that an abnormal DR alone had the same ability to predict CAD (sensitivity 76%, specificity 98%, chi-square 80.9, p<0.0001) as the best combination of abnormal DR, chest pain during exercise testing, age and gender (sensitivity 76%, specificity 98%, chi-square 98.5, p<0.0001). When abnormal DR was excluded from this analysis, the best combination of the variables showed a reduced ability to predict CAD (sensitivity 81%, specificity 77%, Wilks' Lambda 0.71, chi-square 26.7, p<0.0001). In conclusion, an abnormal DR (>1.03) is a highly specific marker for detecting CAD, even in patients with negative dipyridamole-thallium imaging.
- 社団法人日本循環器学会の論文
- 1994-02-20
著者
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Chikamori Taishiro
The Second Department of Internal Medicine, Tokyo Medical University
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Sonobe H
Kami Study Group
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Chikamori Taishiro
The Department Of Medicine And Geriatrics Kochi Medical School
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Yonezawa Yoshihiro
Section of Cardiology, Department of Medicine and Geriatrics, Kochi Medical School
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Seo Hiromi
The Section of Cardiology, Department of Medicine and Geriatrics, Kochi Medical School
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Doi Yoshinori
The Section of Cardiology, Department of Medicine and Geriatrics, Kochi Medical School
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Chikamori Taishiro
The Section Of Cardiology Department Of Medicine And Geriatrics Kochi Medical School
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Ozawa Toshio
Department Of Medicine And Geriatrics Kochi Medical School
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YONEZAWA YOSHIHIRO
The Section of Cardiology, Department of Medicine and Gerontology, Kochi Medical School
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YAMADA MITSUTOSHI
The Section of Cardiology, Department of Medicine and Gerontology, Kochi Medical School
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OZAWA TOSHIO
The Section of Cardiology, Department of Medicine and Gerontology, Kochi Medical School
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Yamada Mitsutoshi
Section Of Cardiology Department Of Medicine And Geriatrics Kochi Medical School
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Chikamori Taishiro
St.george's Hospital
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Seo Hiromi
The Section Of Cardiology Department Of Medicine And Gerontology Kochi Medical School
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Ozawa Toshio
The Section Of Cardiology Department Of Medicine And Geriatrics Kochi Medical School
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Ozawa Toshio
Department of Medicine and Geriatrics, Kochi Medical School
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