constant-Resistance Ratio

Original Contribution

Validation of a New Non-Hyperemic Physiological Index: The Constant-Resistance Ratio (cRR)

03/27/2024

Chenguang Li, MD, PhD¹; Jing Wu, MS²; Jiayan Lin, BS³; Yizhe Wu, MD, PhD¹; Rende Xu, MD, PhD¹; Juying Qian, MD, PhD¹; William Kongto Hau, PhD⁴; Emanuele Barbato, MD, PhD^5,6; Nils P. Johnson, MD, MS^7,8; Barry Hennigan, MBBChBAO, BMedSci⁹; Colin Berry, MBChB, MD, PhD^9,10; Keith G. Oldroyd, MBChB, MD (Hons)⁹; Liang Song, PhD³; Junbo Ge, MD, PhD¹

Chenguang Li, MD, PhD1; Jing Wu, MS2;...

The authors aim to validate a new resting index, the constant resistance ratio (cRR), by retrospectively calculating the cRR values from raw pressure waveforms collected from the CONTRAST and VERIFY 2 studies and comparing these results with...

The authors aim to validate a...

03/27/2024

Journal of Invasive Cardiology