｀２０１´Ｔｌ心筋ＳＰＥＣＴにおけるｃｉｒｃｕｍｆｅｒｅｎｔｉａｌ　ｐｒｏｆｉｌｅ解析法の検討　異なる代表値による比較

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タイトル別名
  • Circumferential Profile Analysis of 201Tl Myocardial SPECT-A Comparative Study between Various Profile Curves.
  • 201Tl シンキン SPECT ニ オケル circumferential
  • —A Comparative Study between Various Profile Curves—
  • ―異なる代表値による比較―

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抄録

Circumferential profile analysis is one of quantitative analyses in 201Tl myocardial scintigraphy. We compared the detectability of coronary artery stenosis between 4 various methods of circumferential profiles (peak point method, all points method, 3 points around the peak method and average method) based on short-axial images of 201Tl myocardial single photon emission computed tomography. Diagnostic criteria for coronary artery stenosis was that the circumferential profile curve of a patient was below the normal limit (mean—2SD) obtained from 23 normal volunteers in more than serial 3 profiles. After examining 16 patients with coronary artery stenosis demonstrated by coronary arteriography, it was concluded that both peak point method and 3 points around the peak method surpassed other methods in the detectability of clinically significant coronary artery stenosis.

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