Abstract
We thank Drs Pulli and Yoo for their interest in our results and their subsequent confirmation of our study findings.[1][1] Our work highlighted the danger of extrapolating findings from previous-generation scanners to newer, faster scanners. In particular, before our publication, there was an
Highlights
CTP studies provide outstanding estimates of core and tissue at risk with the area under the curve associated with thresholded parameters approaching 0.90 for core determination.[2]
For those centers where CTP is unavailable, we have shown that a postcontrast CT (PCT) following CTA demonstrates hypoattenuation that closely estimates core
PCT can be obtained at a lower dose than CTP
Summary
With the advent of modern scanners, the observation is no longer true.
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