Safety and Feasibility Using a Fluid-Filled Wire to Avoid Hydrostatic Errors in Physiological Intracoronary Measurements

Figure 6

Correlation between pressure-derived coronary flow reserve (CFR) and CFR derived by echocardiography or thermodilution. (a) Correlation between pressure-derived CFR using the fluid-filled wire and CFR derived by echocardiography (left) and thermodilution (right). (b) Correlation between pressure-derived CFR using the sensor-tipped wire and CFR derived by echocardiography (left) and thermodilution (right).

(a)

(b)