Table 2. Comparison of computed tomography coronary angiography (CTCA) + multidisciplinary team (MDT) decision, fractional flow reserve computed tomography (FFR-CT), invasive coronary angiography (ICA) and fractional flow reserve (FFR) for coronary artery systems of all patients referred for FFR-CT.
|
n |
Left anterior descending system |
Left circumflex system |
Right coronary artery system |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
CT+ MDT |
FFR-CT |
ICA |
ICAFFR |
CT+ MDT |
FFR-CT |
ICA |
ICAFFR |
CT+ MDT |
FFR-CT |
ICA |
ICAFFR |
|
|
A |
PFL |
Reject |
PFL |
0.77 |
CS |
Reject |
PFL |
0.88 |
PFL |
Reject |
PFL |
0.83 |
|
B |
CS |
0.77 |
CS |
NP |
CS |
0.82 |
CS |
NP |
CS |
0.71 |
CS |
NP |
|
C |
CS |
Reject |
NFL |
NP |
CS |
Reject |
NFL |
NP |
CS |
Reject |
NFL |
NP |
|
D |
PFL |
0.86 |
NFL |
NP |
NFL |
0.89 |
NFL |
NP |
NFL |
0.84 |
NFL |
NP |
|
E |
CS |
0.91 |
NFL |
NP |
NFL |
0.95 |
NFL |
NP |
NFL |
0.91 |
NFL |
NP |
|
F |
PFL |
0.79 |
PFL |
0.78 |
NFL |
0.86 |
NFL |
NP |
NFL |
0.88 |
NFL |
NP |
|
G |
CS |
0.7 |
CS |
NP |
PFL |
0.81 |
NFL |
NP |
NFL |
0.91 |
NFL |
NP |
|
H |
CS |
0.73 |
NFL |
0.82 |
NFL |
0.88 |
NFL |
NP |
CS |
0.77 |
PFL |
0.88 |
|
I |
NFL |
0.91 |
NFL |
NP |
NFL |
0.93 |
NFL |
NP |
CS |
0.91 |
PFL |
NP |
|
J |
CS |
0.79 |
NFL |
NP |
PFL |
0.81 |
NFL |
NP |
NFL |
0.97 |
NFL |
NP |
|
K |
CS |
Reject |
CS |
NP |
CS |
Reject |
CS |
NP |
CS |
Reject |
CS |
NP |
|
L |
CS |
0.63 |
NFL |
NP |
CS |
0.85 |
PFL |
NP |
PFL |
0.83 |
PFL |
NP |
|
M |
CS |
0.69 |
CS |
NP |
NFL |
0.92 |
NFL |
NP |
PFL |
0.86 |
NFL |
0.9 |
|
N |
CS |
0.77 |
NFL |
0.89 |
PFL |
0.78 |
NFL |
NP |
PFL |
0.9 |
PFL |
0.88 |
|
O |
CS |
0.68 |
CS |
0.55 |
NFL |
0.92 |
NFL |
NP |
PFL |
0.91 |
PFL |
0.88 |
|
P |
PFL |
0.93 |
PFL |
0.82 |
PFL |
0.96 |
NFL |
NP |
NFL |
0.94 |
NFL |
NP |
|
Q |
CS |
0.51 |
CS |
NP |
NFL |
0.89 |
NFL |
NP |
NFL |
0.78 |
NFL |
NP |
|
R |
CS |
Reject |
CS |
0.75 |
CS |
Reject |
PFL |
0.84 |
CS |
Reject |
NFL |
NP |
|
S |
CS |
0.74 |
CS |
0.76 |
PFL |
0.83 |
NFL |
NP |
CS |
0.78 |
NFL |
NP |
|
T |
PFL |
0.83 |
NFL |
0.96 |
PFL |
0.82 |
NFL |
NP |
NFL |
0.95 |
NFL |
NP |
|
U |
CS |
0.6 |
CS |
0.55 |
NFL |
0.88 |
NFL |
NP |
NFL |
0.9 |
NFL |
NP |
|
V |
CS |
0.62 |
CS |
NP |
PFL |
0.82 |
NFL |
NP |
PFL |
0.79 |
NFL |
NP |
|
W |
CS |
<0.5 |
CS |
NP |
CS |
0.62 |
CS |
NP |
PFL |
0.74 |
NFL |
NP |
|
X |
CS |
0.72 |
CS |
0.65 |
NFL |
0.81 |
NFL |
NP |
CS |
0.81 |
NFL |
NP |
Key: CS = criticial stenosis (>70% stenosis); NFL = not flow limiting <50%; PFL = potentially flow limiting stenosis (50–69%); Reject = rejected FFR-CT request by HeartFlow due to CTCA image quality