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

Table 1

Summary of simultaneous measurements including height measurements (n = 19).

Index		Sensor-tipped wire	Fluid-filled wire	Difference between sensor-tipped and fluid-filled wire	Difference between sensor-tipped and fluid-filled wire after correction of the sensor-tipped wire for the hydrostatic effect
Pd/Pa	Mean ± SD	0.93 ± 0.041	0.95 ± 0.035	0.024 ± 0.028	0.002 ± 0.018
	Median	0.93	0.97	0.036	0.003
	Min	0.84	0.88	−0.04	−0.06
	Max	1.01	1.00	0.05	0.03
FFR	Mean ± SD	0.85 ± 0.066	0.87 ± 0.072	0.026 ± 0.033	0.0037 ± 0.017
	Median	0.85	0.91	0.032	0.0016
	Min	0.74	0.73	−0.035	−0.027
	Max	0.96	0.96	0.072	0.03