Saline-induced Pd/Pa ratio predicts functional significance of coronary stenosis assessed using fractional flow reserve

Yoshiharu Fujimori1*, MD; Tomoko Baba1, MD; Kyohei Yamazaki2, MD; Satoshi Hashimoto1, MD; Yasushi Yamanaka1, MD; Kenichiro Ebisuda1, MD; Kazuto Kurihara1, MD; Naoki Koike2, MD; Nao Takeuchi1, MD; Shigeru Nishiyama1, MD; Yuya Terasawa1, CE; Tadamasa Wakabayashi1, MD; Taku Imai1, MD