Quantitative evaluation of exercise Tl-201 myocardial scintigraphy before and after transluminal coronary angioplasty A preliminary report.:A Preliminary Report
スポンサーリンク
概要
- 論文の詳細を見る
Quantitative evaluation of exercise Tl-201 myocardial scintigraphy was carried out to determine the effect of transluminal coronary angioplasty (TCA) in 15 patients with critical coronary artery stenoses (_??_70%). Thirteen lesions were successfully dilated (reduction in stenosis by more than 30%); two were unsuccessful. Calculated indices from Tl-201 myocardial scintigraphy, using a semi-automatic computer image processing system, included washout factor (WF), vitality index (VI) and redistribution factor (RDF). No changes were noted in WF before and after dilatation. The VI increased in successfully dilated patients from 66.3±8.5% (mean±SD) to 77.8±10.9% (p<0.001) in the areas perfused by the vessels containing the lesions. The RDF decreased significantly after dilatation from 4.4±6.1% to 1.2±2.8% (p<0.05) 1 hour after exercise and from 10.4±7.5% to 4.1±4.2% (p<0.01) 3-4 hours after exercise. From these results, we conclude that the perfusion of ischemic areas distal to critical coronary artery stenoses improves following successful dilatation. Tl-201 myocardial scintigraphy was shown to be very useful in the evaluation of TCA.
- International Heart Journal刊行会の論文
著者
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Hor Gustav
Department Of Nuclear Medicine School Of Medicine Frankfurt University
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Kanemoto Nariaki
Department Of 1st Internal Medicine Tokai University School Of Medicine
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KANEMOTO Nariaki
Department of Nuclear Medicine and Cardiology, J-W-Goethe University Hospital
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KOBER Gisbert
Department of Nuclear Medicine and Cardiology, J-W-Goethe University Hospital
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KALTENBACH Mertin
Department of Nuclear Medicine and Cardiology, J-W-Goethe University Hospital
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