Step into the heart of QFR® with our clinical evidence collection. These publications aren’t just papers; they’re a window into the world of QFR® as it works in real-life Cath labs. Dive deep into the studies, analyses, and findings that make QFR® an essential tool in interventional cardiology. This is your key to understanding the practical impact of QFR. Join us on this journey through the data, and unlock the knowledge that’s shaping how we assess coronary physiology.
The 2024 ESC guidelines have introduced important updates for Medis QFR®, highlighting its role in three key areas of cardiac care. First, Medis QFR® received a Class IB recommendation for assessing epicardial artery stenosis. This technology, which utilizes 3D QCA and flow velocity, provides a clear advantage over angiography-based FFR methods, which only have a Class IIb/C recommendation. Studies confirm that using QFR® to guide interventions reduces the rates of myocardial infarctions and ischemia-driven revascularizations, demonstrating that this method is more effective than visual assessments of angiograms. Medis QFR® is designed for both prospective/immediate and retrospective data analysis, offering a comprehensive physiology platform.
Second, Medis QFR® now has a Class IA recommendation for selecting lesions in patients with multivessel disease, enabling detailed examinations of multiple vessels and lesions using only angiograms. This approach helps reduce the risks associated with inserting pressure wires and cuts down on costs.
Additionally, for managing chronic coronary syndrome in patients with chronic heart failure, Medis QFR® is recommended with a Class IC for those with a left ventricular ejection fraction over 35% and a high likelihood of obstructive coronary artery disease. The guidelines also highlight the expanded understanding of coronary syndromes, recognizing the significance of both macrovascular and microvascular abnormalities that can lead to myocardial ischemia. Notably, Medis QFR® integrates features like the angiography-derived index of coronary microcirculatory resistance (angio-IMR), which assesses microcirculation without the need for intracoronary wires, offered via QFR-IMR®.
Biscaglia et al. 2023
The AQVA (Angio-based Quantitative Flow Ratio Virtual PCI Versus Conventional Angio-guided PCI in the Achievement of an Optimal Post-PCI QFR) trial was conceived to assess…
Biscaglia et al. 2023
In this multicenter, randomized trial, elderly patients with myocardial infarction (MI) and multivessel coronary disease who were undergoing…
Song et al. 2023
The FAVOR III China trial, a multicenter, randomized, sham-controlled study, demonstrated the superior 1-year clinical outcomes of quantitative flow ratio (QFR)-based lesion…
Published in: 2023
Lin Wang, Alejandro Travieso, Nina van der Hoeven, Maarten A.H. van Leeuwen, Gladys Janssens, Hernán Mejía-Rentería, Adrián Jerónimo, Nieves Gonzalo, Robin Nijveldt, Niels van Royen, and Javier Escaned
Published in: 2023
Morton J. Kern
Published in: 2023
Carlos Cortés, Pablo M Fernández-Corredoira, Lili Liu, Ramón López-Palop, Fernando Rivero, Octavio Jiménez, Alfonso Freites, Luis R Goncalves-Ramirez, Carlos Minguito, Ricardo Concepción, Ainhoa Pérez, David Del Val, Gunnar Leithod, Jonas Oberhuber-Kurth, Ignacio J Amat-Santos, José A Diarte, J Alberto San Román, Maria Rosario Ortas Nadal, Juan Luis Gutiérrez-Chico
Published in: 2023
Sonoka Yuasa, Francesco Maria Lauri, Hernan Mejia-Renteria, Catherine Liontou, Hyun-Jong Lee, Toru Tanigaki, Masafumi Nakayama, Takayuki Warisawa, Takashi Uchiyama, Hitoshi Matsuo, Justin E Davies, Takao Sato, Javier Escaned
Published in: 2023
Sarah Bär, Raminta Kavaliauskaite, Tatsuhiko Otsuka, Yasushi Ueki, Jonas D. Häner, George C. M. Siontis, Stefan Stortecky, Hiroki Shibutani, Fabrice Temperli, Christoph Kaiser, Juan F. Iglesias, Robert Jan van Geuns, Joost Daemen, David Spirk, Thomas Engstrøm, Irene Lang, Stephan Windecker, Konstantinos C. Koskinas, Sylvain Losdat, Lorenz Räber
Published in: 2023
Changdong Guan, MSc; Nils P. Johnson, MD; Rui Zhang, MD; Lihua Xie, MSc; Miao Chu, PhD; Yanyan Zhao, MSc; Zheng Qiao, MD; Sheng Yuan, MD; Zhongwei Sun, MSc; Kefei Dou, MD; Shengxian Tu, PhD; Lei Song, MD; Shubin Qiao, MD; Bo Xu, MBBS
Published in: 2023
Benoit Caullery, Laurent Riou, Gilles Barone-Rochette
Published in: 2023
Joyce Peper, Michiel L. Bots, Tim Leiner & Martin J. Swaans
Published in: 2023
Kai Ninomiya, Patrick W. Serruys, Nozomi Kotoku, Jinying Zhou, Shigetaka Kageyama, Shinichiro Masuda, Pruthvi C. Revaiah, Bo Wang, Xingqiang He, Tsung-Ying Tsai, Momoko Kageyama, Emelyne Sevestre, Faisal Sharif, Scot Garg, Takashi Akasaka, Javier Escaned, Manesh R. Patel, Yoshinobu Onuma
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