TCT-289 Nicorandil as Hyperemic Agent to Evaluate Fractional Flow Reserve

Standardized hyperemic stress for fractional flow reserve.

Reconciling poststenotic pressure with hyperemic flow: comparing coronary flow reserve, instantaneous wave-free ratio, and fractional flow reserve.

Comparison of hyperemic efficacy between central and peripheral venous adenosine infusion for fractional flow reserve measurement.

BACKGROUND Maximal hyperemia is a prerequisite for the accurate measurement of fractional flow reserve (FFR). Although continuous infusion of adenosine via the femoral vein is considered to be the gold standard, this requires an additional invasive procedure for femoral vein access and is difficult to use during transradial coronary catheterization. We performed this prospective study to evalua...

Prediction of Fractional Flow Reserve without Hyperemic Induction Based on Resting Baseline Pd/Pa

BACKGROUND AND OBJECTIVES The purposes of this study are 1) to investigate the relationship between resting baseline Pd/Pa, determined by the ratio of the pressures proximal (Pa) and distal (Pd) to the target lesion before, inducing hyperemia and fractional flow reserve (FFR) and 2) to identify a resting baseline Pd/Pa range that might reliably preclude the need for hyperemic induction. SUBJE...

Fractional Flow Reserve

Traditionally, coronary artery disease was assessed using coronary angiographic guidance. Significant lesions were determined by the coronary angiographer. However, interobserver variability showed a significant limitation of interpretation of coronary angiography. Stent deployment and apposition were also evaluated based on angiographic appearance only. Risk factors for stent thrombosis and in...