Zhong J, Chen Q, Chen L, Ye Z, Chen H, Sun J, Hong J, Ye M, Yan Y, Chen L, Luo Y. Physiological benefits evaluated by quantitative flow ratio in patients with reduced left ventricular ejection fraction who underwent percutaneous coronary intervention. BMC Cardiovasc Disord. 2020 Dec 14;20(1):523. doi: 10.1186/s12872-020-01814-5. PMID: 33317462; PMCID: PMC7737262.

Tebaldi M, Biscaglia S, Erriquez A, Penzo C, Tumscitz C, Scoccia A, Quadri G, Sacchetta G, Folla A, Vadalà G, Fileti L, Campo G. Comparison of quantitative flow ratio, Pd/Pa and diastolic hyperemia-free ratio versus fractional flow reserve in non-culprit lesion of patients with non ST-segment elevation myocardial infarction. Catheter Cardiovasc Interv. 2020 Nov 19. doi: 10.1002/ccd.29380. Epub ahead of print. PMID: 33211381.

Lee SH, Choi KH, Lee JM, Shin D, Hwang D, Kim HK, Doh JH, Nam CW, Shin ES, Jang MJ, Im SY, Park TK, Yang JH, Song YB, Hahn JY, Choi SH, Koo BK, Gwon HC. Residual functional SYNTAX score by quantitative flow ratio and improvement of exercise capacity after revascularization. Catheter Cardiovasc Interv. 2020 Jul 3. doi: 10.1002/ccd.29118. Epub ahead of print. PMID: 32618423.

H Kirigaya, K Okada, K Hibi, E Akiyama, Y Kimura, Y Matsuzawa, N Iwahashi, N Maejima, M Kosuge, K Tamura, K KimuraPost-procedural quantitative flow ratio gradient and target lesion revascularization after drug-coated balloon or plain-old balloon angioplastyEuropean Heart Journal, Volume 41, Issue Supplement_2, November 2020, ehaa946.2446

Choi KH, Lee SH, Lee JM, Hwang D, Zhang J, Kim J, Im SY, Kim HK, Nam CW, Doh JH, Shin ES, Mejía-Rentería H, Park TK, Yang JH, Song YB, Hahn JY, Choi SH, Gwon HC, Escaned J, Koo BK. Clinical relevance and prognostic implications of contrast quantitative flow ratio in patients with coronary artery disease. Int J Cardiol. 2020 Sep 8:S0167-5273(20)33736-0. doi: 10.1016/j.ijcard.2020.09.002. Epub ahead of print. PMID: 32910999.

Cerrato E, Belliggiano D, Quadri G, Erriquez A, Anselmino M, Quirós A, Franzè A, Ferrari F, Rolfo C, Mejia-Renteria H, Escaned J, Gonzalo N, Campo G, Varbella F. Anatomical and functional healing after resorbable magnesium scaffold implantation in human coronary vessels: A combined optical coherence tomography and quantitative flow ratio analysis. Catheter Cardiovasc Interv. 2020 Nov 27. doi: 10.1002/ccd.29397. Epub ahead of print. PMID: 33244891.

Sugiyama T, Kanno Y, Hamaya R, Kanaji Y, Hoshino M, Murai T, Lee T, Yonetsu T, Sasano T, Kakuta T. Determinants of visual-functional mismatches as assessed by coronary angiography and quantitative flow ratio. Catheter Cardiovasc Interv. 2020 Nov 16. doi: 10.1002/ccd.29388. Epub ahead of print. PMID: 33197120.

Kleczyński P, Dziewierz A, Rzeszutko Ł, Dudek D, Legutko J. Borderline coronary lesion assessment with quantitative flow ratio and its relation to the instantaneous wave-free ratio. Adv Med Sci. 2020 Nov 12;66(1):1-5. doi: 10.1016/j.advms.2020.10.001. Epub ahead of print. PMID: 33190031.

Li L, Guan C, Meng S, Bai Y, Zhang Z, Zou K, Ruan Y, Cao X, Jia R, Guo C, Escaned J, Jin Z, Xu B. Short- and long-term functional results following drug-coated balloons versus drug- eluting stents in small coronary vessels: The RESTORE quantitative flow ratio study. Int J Cardio 2l.020 Nov 21:S0167-5273(20)34158-9. doi: 10.1016/j.ijcard.2020.11.035. Epub ahead of print. PMID: 33227335.

Westra J, Eftekhari A, Tu S, Campo G, Escaned J, Winther S, Matsuo H, Qu X, Koltowski L, Chang Y, Liu T, Yang J, Andersen BK, Wijns W, Böttcher M, Christiansen EH, Xu B, Holm NR. Resting distal to aortic pressure ratio and fractional flow reserve discordance affects the diagnostic performance of quantitative flow ratio: Results from an individual patient data meta-analysis. Catheter Cardiovasc Interv. 2020 Jun 1. doi: 10.1002/ccd.28976. Epub ahead of print. PMID: 32478462.

Zhang R, Song C, Guan C, Liu Q, Wang C, Xie L, Sun Z, Cai M, Zhang M, Wang H, Liu J, Dou K, Xu B. Prognostic Value of Quantitative Flow Ratio Based Functional SYNTAX Score in Patients With Left Main or Multivessel Coronary Artery Disease. Circ Cardiovasc Interv. 2020 Oct;13(10):e009155. doi: 10.1161/CIRCINTERVENTIONS.120.009155. Epub 2020 Oct 12. PMID: 33040580.

Choi KH , Lee SH, Lee JM, Hwang D, Zhang J, Kim J, Im SY, Kim HK, Nam CW, Doh JH,Shin ES, Mejía-Rentería H, Park TK, Yang JH, Song YB, Hahn JY, Choi SH, Gwon HC, Escaned J,Koo BK. Clinical relevance and prognostic implications of contrast quantitative flow ratio in patients with coronary artery disease. Int J Cardiol.2020 Sep 8;S0167-5273(20)33736-0. doi:10.1016/j.ijcard.2020.09.002.

Van Diemen PA, Driessen RS, Kooistra RA, Stuijfzand WJ, Raijmakers PG, Boellaard R, Schumacher SP, Bom MJ, Everaars H, de Winter RW, van de Ven PM, Reiber JH, Min JK, Leipsic JA, Knuuti J, Underwood RS, van Rossum AC, Danad I, Knaapen P. Comparison Between the Performance of Quantitative Flow Ratio and Perfusion Imaging for Diagnosing Myocardial Ischemia . JACC Cardiovasc Imaging. 2020 sep;13(9):1976-1985. doi: 10.1016/j.jcmg.2020.02.012.

Lee SH, Choi KH, Lee JM, Shin D, Hwang D, Kim HK, Doh JH, Nam CW, Shin ES, Jang MJ, Im SY, Park TK, Yang JH, Song YB, Hahn JY, Choi SH, Koo BK, Gwon HC. Residual Functional SYNTAX Score by Quantitative Flow Ratio and Improvement of Exercise Capacity After Revascularization. Catheter Cardiovasc Interv. 2020 Jul 3. doi: 10.1002/ccd.29118.

Lauri FM, Macaya F, Mejía-Rentería H, Goto S, Yeoh J, Nakayama M, Quirós A, Liontou C, Pareek N, Fernández-Ortíz A, Macaya C, MacCarthy P, Escaned J; Collaborators. Angiography derived functional assessment of non-culprit coronary stenoses in primary percutaneous coronary intervention. EuroIntervention. 2020 Apr 3;15(18):e1594-e1601. doi: 10.4244/EIJ-D-18-01165.

Safi H, Bourantas CV, Ramasamy A, Zanchin T, Bär S, Tufaro V, Jin C, Torii R, Karagiannis A, Reiber JHC, Mathur A, Onuma Y, Windecker S, Lansky A, Maehara A, Serruys PW, Stone P, Baumbach A, Stone GW, Räber L. Predictive value of the QFR in detecting vulnerable plaques in non‑fow limiting lesions: a combined analysis of the PROSPECT and IBIS‑4 study. Int J Cardiovasc Imaging. 2020 Mar 9. doi: 10.1007/s10554-020-01805-9.

Saito Y, Cristea E, Bouras G, Abizaid A, Lutz M, Carrié D, Weber-Albers J, Dudek D, Anderson J, Lansky A. Long-term serial functional evaluation after implantation of the Fantom sirolimus-eluting bioresorbable coronary scaffold. Catheter Cardiovasc Interv. 2020 Feb 20. doi: 10.1002/ccd.28804.

Engel LC, Landmesser U, Abdelwahed YS, Jaguszewski M, Gigengack K, Wurster TH, Skurk C, Manes C, Schuster A, Noutsias M, Hamm B, Botnar RM, Makowski MR, Bigalke B. Comprehensive multimodality characterization of hemodynamically significant and non-significant coronary lesions using invasive and noninvasive measures. PLoS One. 2020 Jan 31;15(1):e0228292. doi: 10.1371/journal.pone.0228292.

Ozaki Y, Gonzalo N, Salazar CH, Kuku KO, Mejía-Rentería H, Hideo-Kajita A, Núñez-Gil IJ, Escaned J, Waksman R, Garcia-Garcia HM. Comparison of quantitative flow ratio value of left anterior descending and circumflex coronary artery in patients with Takotsubo syndrome. Int J Cardiovasc Imaging. 2020 Jan;36(1):3-8. doi: 10.1007/s10554-019-01703-9.

Kanno Y, Sugiyama T, Hoshino M, Usui E, Hamaya R, Kanaji Y, Murai T, Lee T, Yonetsu T, Kakuta T. Optical coherence tomography-defined plaque vulnerability in relation to functional stenosis severity stratified by fractional flow reserve and quantitative flow ratio. Catheter Cardiovasc Interv. 2020 Sep 1;96(3):E238-E247. doi: 10.1002/ccd.28756. Epub 2020 Feb 3. PMID: 32012438.

Kanno Y, Hoshino M, Hamaya R, Sugiyama T, Kanaji Y, Usui E, Yamaguchi M, Hada M, Ohya H, Sumino Y, Hirano H, Yuki H, Horie T, Murai T, Lee T, Yonetsu T, Kakuta T. Functional classification discordance in intermediate coronary stenoses between fractional flow reserve and angiography-based quantitative flow ratio. Open Heart. 2020 Jan 23;7(1):e001179. doi: 10.1136/openhrt-2019-001179. PMID: 32076563; PMCID: PMC6999689.

Cai XQ, Jing J, Wen J, Yin WJ, Liu Y, Hu W, Wang F, Ma L, Zhou SS, Zhang T, Tian F, Chen L, Chen YD. Quantitative flow ratio and intravascular ultrasound guided percutaneous coronary intervention of left anterior descending lesion concomitant with severe coronary myocardial bridge. J Geriatr Cardiol. 2019 Dec;16(12):905-908. doi: 10.11909/j.issn.1671-5411.2019.12.004.

Buono A, Mühlenhaus A, Schäfer T, Trieb AK, Schmeißer J, Koppe F, Münzel T, Anadol R, Gori T. QFR Predicts the Incidence of Long-Term Adverse Events in Patients with Suspected CAD: Feasibility and Reproducibility of the Method. J Clin Med. 2020 Jan 14;9(1). pii: E220. doi: 10.3390/jcm9010220.

Sheng X, Qiao Z, Ge H, Sun J, He J, Li Z, Ding S, Pu J. Novel application of quantitative flow ratio for predicting microvascular dysfunction after ST-segment-elevation myocardial infarction. Catheter Cardiovasc Interv. 2020 Jan 8. doi: 10.1002/ccd.28718.

Suzuki N, Nishide S, Kimura T, Aoyagi T, Kanamori K, Shiratori Y, Hayami N, Murakawa Y, Kozuma K. Relationship of quantitative flow ratio after second-generation drug-eluting stent implantation to clinical outcomes. Heart and Vessels, 2019: 1-7. DOI: 10.1007/s00380-019-01545-4

Qi Q, Liu G, Yuan Z, Liu L, Tu S, Zhao Q. Quantitative flow ratio-guided surgical intervention in symptomatic myocardial bridging. Cardiology Journal, 2019. DOI: 10.5603/CJ.a2019.0113

Tang J, Lai Y, Tu S, Chen F, Yao Y, Ye Z, Gu J, Gao Y, Guan C, Chu J, Yang C, Liu X. Quantitative Flow Ratio guided Residual Functional SYNTAX Score for Risk Assessment in Patients with ST-Segment Elevation Myocardial Infarction undergoing Percutaneous Coronary Intervention. EuroIntervention. 2019. pii: EIJ-D-19-00369. doi: 10.4244/EIJ-D-19-00369.

Zaleska M, Koltowski L, Maksym J, Chabior AK, Pohadajło A, Soliński M, Tomaniak M, Opolski G, Kochman J. Quantitative flow ratio and fractional flow reserve mismatch - clinical and biochemical predictors of measurement discrepancy. Postepy Kardiol Interwencyjnej. 2019;15(3):301-307. doi: 10.5114/aic.2019.87883.

Biscaglia S, Tebaldi M, Brugaletta S, Cerrato E, Erriquez A, Passarini G, Ielasi A, Spitaleri G, Di Girolamo D, Mezzapelle G, Geraci S, Manfrini M, Pavasini R, Barbato E, Campo G. Prognostic Value of QFR Measured Immediately After Successful Stent Implantation: The International Multicenter Prospective HAWKEYE Study. JACC Cardiol Intv 2019 Sep 21. pii: S1936-8798(19)31302-0. doi: 10.1016/j.jcin.2019.06.003.

Editorial Comment: Serruys PW, Kogame N, Onuma Y. Was the Ball Inside or Outside the Court? Ask the Hawk-Eye System. JACC: Cardiovascular Intervention. 2019 Sep 20. pii: S1936-8798(19)31455-4.

Kogame N, Takahashi K, Tomaniak M, Chichareon P, Modolo R, Chang CC, Komiyama H, Katagiri Y, Asano T, Stables R, Fath-Ordoubadi F, Walsh S, Sabaté M, Davies J, Piek JJ, van Geuns RJ, Reiber JHC, Banning AP, Escaned J, Farooq V, Serruys PW, Onuma Y. Clinical Implication of Quantitative Flow Ratio After Percutaneous Coronary Intervention for 3-Vessel Disease. JACC Cardiovasc Interv. 2019 Sep 20. pii: S1936-8798(19)31724-8. doi: 10.1016/j.jcin.2019.08.009.

Editorial Comment: Hakeem A, Uretsky BF. Toward a "More Perfect" Interventional Algorithm: Post-Intervention Functional Assessment Using Quantitative Flow Ratio. JACC Cardiovasc Interv. 2019 Sep 20. pii: S1936-8798(19)31847-3. doi: 10.1016/j.jcin.2019.08.032.

Kazuhiro Dan, Akira Shinoda, Daichi Tsuzura, Hector M. Garcia-Garcia. Triple coronary vessel disease including double vessel chronic total occlusion: Quantitative flow ratio minimizes injury of the single vessel that provides collaterals.

Hamaya R, Horie T, Yonetsu T, Sugano A, Kanaji Y, Usui E, Hoshino M, Yamaguchi M, Ohya H, Sumino Y, Hada M, Hirano H, Kanno Y, Yuki H, Hirao K, Kakuta T. High-sensitivity cardiac troponin decrease after percutaneous coronary intervention in patients with stable coronary artery disease. Heart Vessels. 2019 Jun;34(6):948-956. doi: 10.1007/s00380-018-01325-6. Epub 2019 Jan 1. PMID: 30600349.

Liontou C, Mejía-Rentería H, Lauri F, Goto S, Lee HJ, Nakayama M, Quirós A, Macaya F, Gonzalo N, Núñez-Gil I, Salinas P, Del Trigo M, Escaned J. Functional assessment of in-stent restenosis with quantitative flow ratio. EuroIntervention. 2019 Jul 30. pii: EIJ-D-18-00955. doi: 10.4244/EIJ-D-18-00955.

Sejr-Hansen M, Westra J, Thim T, Christiansen EH, Eftekhari A, Kristensen SD, Jakobsen L, Götberg M, Frøbert O, van der Hoeven NW, Holm NR, Maeng M. Quantitative flow ratio for immediate assessment of nonculprit lesions in patients with ST-segment elevation myocardial infarction-An iSTEMI substudy. Catheter Cardiovasc Interv. 2019 Mar 25. doi: 10.1002/ccd.28208.

Asano T, Katagiri Y, Chang CC, Kogame N, Chichareon P, Takahashi K, Modolo R, Tenekecioglu E, Collet C, Jonker H, Appleby C, Zaman A, van Mieghem N, Uren N, Zueco J, Piek JJ, Reiber JHC, Farooq V, Escaned J, Banning AP, Serruys PW, Onuma Y. Angiography-Derived Fractional Flow Reserve in the SYNTAX II Trial: Feasibility, Diagnostic Performance of Quantitative Flow Ratio, and Clinical Prognostic Value of Functional SYNTAX Score Derived From Quantitative Flow Ratio in Patients With 3-Vessel Disease. JACC Cardiovasc Interv. 2019 Feb 11;12(3):259-270. doi: 10.1016/j.jcin.2018.09.023.

Hamaya R, Hoshino M, Kanno Y, Yamaguchi M, Ohya H, Sumino Y, Kanaji Y, Usui E, Murai T, Lee T, Yonetsu T, Hirao K, Kakuta T. Prognostic Implication of Three-Vessel Contrast-Flow Quantitative Flow Ratio in Patients with Stable Coronary Artery Disease. EuroIntervention. 2019 Jan 29. pii: EIJ-D-18-00896. doi: 10.4244/EIJ-D-18-00896.

Spitaleri G, Tebaldi M, Biscaglia S, Westra J, Brugaletta S, Erriquez A, Passarini G, Brieda A, Leone AM, Picchi A, Ielasi A, Girolamo DD, Trani C, Ferrari R, Reiber JHC, Valgimigli M, Sabatè M1, Campo G. Quantitative Flow Ratio Identifies Nonculprit Coronary Lesions Requiring Revascularization in Patients With ST Segment–Elevation Myocardial Infarction and Multivessel Disease. Circ Cardiovasc Interv. 2018 Feb;11(2):e006023. doi: 10.1161/CIRCINTERVENTIONS.117.006023.

Asano T, Katagiri Y, Collet C, Tenekecioglu E, Miyazaki Y, Sotomi Y, Amoroso G, Aminian A, Brugaletta S, Vrolix M, Hernandez-Antolín R, van de Harst P, Iñiguez A, Janssens L, Smits P, Wykrzykowska JJ, Ribeiro VG, Periera H, da Silva PC, Piek JJ, Reiber JHC, von Birgelen C, Sabaté M, Onuma Y, Serruys PW. Functional comparison between BuMA Supreme biodegradable polymer sirolimus-eluting and durable polymer zotarolimus-eluting coronary stents using Quantitative Flow Ratio: PIONEER QFR substudy. EuroIntervention. 2017 Oct 10. pii: EIJ-D-17-00461. doi: 10.4244/EIJ-D-17-00461.