Abstract 9140: Validity of Coronary Angiography-Based Physiology in Clinical Practice

• Published in: Circulation (New York, N.Y.) Vol. 144; no. Suppl_1; p. A9140
• Main Authors: de Moura Santos, Luciano, carvalho junior, wenderval B, Ribeiro, Marcelo H, Lopes, Maria Antonieta A, Fukushima, Julia T, Abizaid, Alexandre A, Campos, Carlos M
• Format: Journal Article
• Language: English
• Published: Lippincott Williams & Wilkins 16.11.2021

IntroductionThe invasive physiological assessment of the severity of coronary obstruction is performed by hyperemic (FFR) and non-hyperemic (iFR) indices. However, the need to insert an intracoronary pressure guidewire are factors that limit its use. Quantitative flow ratio (QFR) is a method that in...