Comparative in-vitro validation of eight first- and second-generation quantitative coronary angiography systems.


BACKGROUND It is known that first-generation quantitative coronary angiography (QCA) systems overestimate small vessel sizes owing to the point-spread function of the respective X-ray imaging chain. With second-generation systems new algorithms were introduced to correct for this source of error. OBJECTIVE To evaluate the efficiency of the modified… (More)


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