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editorial
. 2018 Sep;10(Suppl 26):S3115–S3120. doi: 10.21037/jtd.2018.08.65

Figure 1.

Figure 1

Measurement of 3V-FFR. The value of 3V-FFR (defined as a sum of FFR values of three major epicardial coronary arteries) was 2.31. Coronary angiography demonstrated three-vessel disease. However, FFR revealed double-vessel disease because FFR in LAD and RCA had ≤0.80 (positive for ischemia) but FFR in LCX showed >0.80 (negative for ischemia). After incorporating FFR into the SYNTAX score to calculate functional SYNTAX score, the score decreased from 29 (classified into an intermediate-risk group) to 20 (classified into a low-risk group). Arrow indicates a lesion with DS >50%. FFR, fractional flow reserve; LCX, left circumflex coronary artery; V, vessel.