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Figure 2 CTCA and CCA With FFR Measurement of Intermediate Coronary Lesion
Patient showing a coronary artery stenosis (arrow) in the left anterior descending coronary artery, as visualized with computed tomography coronary angiography (CTCA) (A, volume-rendered image; B and C, 2 orthogonal curved multiplanar reconstructions) and conventional coronary angiography (CCA) (D). By visual assessment, the coronary lesion was estimated as less than 50% diameter stenosis, both by CTCA and CCA. By quantitative analysis, the diameter stenosis was measured as 44% by quantitative coronary angiography and 40% by quantitative CTCA. The fractional flow reserve (FFR) was 0.71 (E). Based on the functional assessment, the patient underwent a successful percutaneous coronary intervention for this anatomically intermediate stenosis.
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