The latest developments of Medis QFR
December 2022 edition
Given the regular posts of peer-reviewed scientific publications on the Medis QFR®, it is clear that this angio-based solution for coronary physiology is extensively used in clinical research and practice. We would like to share these publications with you so that you remain up to date about the research that is ongoing worldwide with this innovative solution, whereby each time new clinical applications are being tested, validated and tried-out in particular populations. With its non-invasive nature, readily availability and broad applicability, we anticipate a significant growth in its usage, supported by our constant quest for further automation.
In this new QFR® blog we are proud to share four publications on the latest developments of the Medis Quantitative Flow Ratio with you.
Predictors of vessel quantitative flow ratio loss in patients with severely calcified lesions after rotational atherectomyDr. Y Zhou and colleagues from Anhui Medical University and Nanjing Medical University in China under the supervision of Dr. Hu published this paper in the Cardiology Journal. This is a retrospective study of 111 patients with moderately to severely calcified lesions (MSCLs). Drug-eluting stents were implanted after rotational atherectomy and the mean follow-up was 382 days. The patients were divided into high QFR loss (>0.01) and low QFR loss (
For further read: doi.org/10.5603/CJ.a2022.0095
Dr. Morton Kern and Dr. Arnold H Seto wrote a very important Editorial Comment on this trial. They acknowledge that the FAVOR III China trial is the largest randomized coronary physiology outcome study to date. They summarize that the QFR®, like FFR, is not affected by DM. QFR-guided intervention, like FFR-guided intervention, is superior to angiographically guided intervention in terms of MACE. Also, very interesting to note is that the annual number of publications of the QFR continues to increase sharply and has surpassed the iFR publications!
For further read: http://doi.org/10.1016/j.jacc.2022.07.020
Dr. J.M. Lee and Dr. S.H. Lee wrote a very interesting Editorial Comment in JACC Interventions on the paper by Dai N. et al. They support the approach that this 2-dimensional characterization of disease patterns would provide additional data to better select PCI can candidates, improve immediate functional outcomes of the procedure, and enhance overall patient clinical outcome after PCI.
For further read: http://doi.org/10.1016/j.jcin.2022.07.008
Dr. J.M. Smit and many co-authors under the supervision of J.J. Bax of the Leiden University Medical Center in the Netherlands published this work in the Americal Journal of Cardiology. This was a retrospective analysis of 103 patients who were referred to diagnostic invasive coronary angiography. The objective was to clarify the relation between coronary plaque composition by IVUS VH and myocardial ischemia (QFR
For further read: http://doi.org/10.106/j.amjcard.2022.10.005
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