Underestimation of myocardial blood flow by dynamic perfusion CT: Explanations by two-compartment model analysis and limited temporal sampling of dynamic CT.

Masaki Ishida,Kakuya Kitagawa,Takashi Ichihara,Takahiro Natsume,Ryohei Nakayama,Naoki Nagasawa,Makiko Kubooka,Tatsuro Ito,Mio Uno,Yoshitaka Goto,Motonori Nagata,Hajime Sakuma

Journal of Cardiovascular Computed Tomography（2016）

引用 43|浏览20

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摘要

•MBF determined by VPCT software (MBF-VPCT) does not represent the absolute MBF.•MBF-VPCT is likely equivalent to one-way transfer constant (K1) of CT contrast agent.•Limited temporal sampling of dynamic CT may cause underestimation of MBF-VPCT and K1.

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关键词

Myocardial perfusion CT,Quantitative analysis,Absolute myocardial blood flow,Transfer constant,Patlak plot method

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