EurointerventionPub Date : 2025-09-15DOI: 10.4244/EIJ-D-24-01066
Daniël C Overduin, Dirk Jan van Ginkel, Willem L Bor, Yusuke Kobari, Hugo M Aarts, Christophe Dubois, Ole De Backer, Maxim J P Rooijakkers, Liesbeth Rosseel, Leo Veenstra, Frank van der Kley, Kees H van Bergeijk, Nicolas M van Mieghem, Pierfrancesco Agostoni, Michiel Voskuil, Carl E Schotborgh, Alexander J J Ijsselmuiden, Jan A S Van Heyden, Renicus S Hermanides, Emanuele Barbato, Darren Mylotte, Enrico Fabris, Peter Frambach, Karl Dujardin, Bert Ferdinande, Joyce Peper, Benno J W M Rensing, Leo Timmers, Martin J Swaans, Jorn Brouwer, Vincent J Nijenhuis, Tom Adriaenssens, Pieter A Vriesendorp, Jose M Montero-Cabezas, Hicham El Jattari, Jonathan Halim, Ben J L Van den Branden, Remigio Leonora, Marc Vanderheyden, Michael Lauterbach, Joanna J Wykrzykowska, Arnoud W J van 't Hof, Niels van Royen, Jan G P Tijssen, Ronak Delewi, Jurriën M Ten Berg
{"title":"VARC-HBR criteria validation in TAVI patients on oral anticoagulation.","authors":"Daniël C Overduin, Dirk Jan van Ginkel, Willem L Bor, Yusuke Kobari, Hugo M Aarts, Christophe Dubois, Ole De Backer, Maxim J P Rooijakkers, Liesbeth Rosseel, Leo Veenstra, Frank van der Kley, Kees H van Bergeijk, Nicolas M van Mieghem, Pierfrancesco Agostoni, Michiel Voskuil, Carl E Schotborgh, Alexander J J Ijsselmuiden, Jan A S Van Heyden, Renicus S Hermanides, Emanuele Barbato, Darren Mylotte, Enrico Fabris, Peter Frambach, Karl Dujardin, Bert Ferdinande, Joyce Peper, Benno J W M Rensing, Leo Timmers, Martin J Swaans, Jorn Brouwer, Vincent J Nijenhuis, Tom Adriaenssens, Pieter A Vriesendorp, Jose M Montero-Cabezas, Hicham El Jattari, Jonathan Halim, Ben J L Van den Branden, Remigio Leonora, Marc Vanderheyden, Michael Lauterbach, Joanna J Wykrzykowska, Arnoud W J van 't Hof, Niels van Royen, Jan G P Tijssen, Ronak Delewi, Jurriën M Ten Berg","doi":"10.4244/EIJ-D-24-01066","DOIUrl":"10.4244/EIJ-D-24-01066","url":null,"abstract":"<p><strong>Background: </strong>Bleeding remains a frequent complication after transcatheter aortic valve implantation (TAVI). Recently, the Valve Academic Research Consortium High Bleeding Risk (VARC-HBR) criteria were introduced to identify patients at (very) high risk of bleeding.</p><p><strong>Aims: </strong>This study aimed to evaluate the validity of the VARC-HBR criteria for predicting bleeding risk in TAVI patients and to compare its performance with other existing criteria.</p><p><strong>Methods: </strong>Data were obtained from the POPular PAUSE TAVI trial, a randomised clinical trial that evaluated the safety and efficacy of continuation versus interruption of oral anticoagulation during TAVI. Major and minor bleeding risk criteria were identified at baseline, and bleeding events were recorded up to 30 days after TAVI. Patients were classified into three groups: those with ≤1 minor criterion (moderate risk), those with 1 major or 2 minor criteria (high risk), and those with ≥2 major or ≥3 minor criteria (very high risk).</p><p><strong>Results: </strong>A total of 856 patients were included: 332 (39%) were classified at moderate bleeding risk, 337 (39%) at high bleeding risk, and 187 (22%) at very high bleeding risk. Major bleeding occurred in 4.2% of moderate-risk patients, 9.5% in the high-risk group, and 15.0% in the very high-risk group (p<0.001). Receiver operating characteristic analysis showed moderate discriminative performance (area under the curve=0.64, 95% confidence interval: 0.58-0.70). Despite higher-than-expected event rates, the VARC-HBR criteria demonstrated good calibration with observed outcomes.</p><p><strong>Conclusions: </strong>The VARC-HBR criteria effectively identified distinct subgroups with a stepwise increase in major bleeding post-TAVI. However, their predictive performance for individual risk was moderate.</p>","PeriodicalId":54378,"journal":{"name":"Eurointervention","volume":"21 18","pages":"e1081-e1089"},"PeriodicalIF":9.5,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12418106/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145076535","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EurointerventionPub Date : 2025-09-15DOI: 10.4244/EIJ-D-25-00323
Giulio Stefanini, Marco Cattaneo, Raffaele De Caterina
{"title":"Early interruption of dual antiplatelet therapy after an acute myocardial ischaemic syndrome: but what then?","authors":"Giulio Stefanini, Marco Cattaneo, Raffaele De Caterina","doi":"10.4244/EIJ-D-25-00323","DOIUrl":"10.4244/EIJ-D-25-00323","url":null,"abstract":"","PeriodicalId":54378,"journal":{"name":"Eurointervention","volume":"21 18","pages":"e1047-e1050"},"PeriodicalIF":9.5,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12418102/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145076567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EurointerventionPub Date : 2025-09-15DOI: 10.4244/EIJ-D-25-00122
Ju Hyeon Kim, Do-Yoon Kang, Jung-Min Ahn, Jihoon Kweon, Jihye Chae, Seong-Bong Wee, Soo Yeon An, Hansu Park, Soo-Jin Kang, Duk-Woo Park, Seung-Jung Park
{"title":"Optimal minimal stent area after crossover stenting in patients with unprotected left main coronary artery disease.","authors":"Ju Hyeon Kim, Do-Yoon Kang, Jung-Min Ahn, Jihoon Kweon, Jihye Chae, Seong-Bong Wee, Soo Yeon An, Hansu Park, Soo-Jin Kang, Duk-Woo Park, Seung-Jung Park","doi":"10.4244/EIJ-D-25-00122","DOIUrl":"10.4244/EIJ-D-25-00122","url":null,"abstract":"<p><strong>Background: </strong>Intracoronary imaging-guided percutaneous coronary intervention (PCI) has demonstrated clinical benefit over angiography-guided PCI for left main coronary artery (LM) disease. However, the optimal minimal stent area (MSA) thresholds to predict cardiovascular outcomes remain incompletely defined.</p><p><strong>Aims: </strong>This study aimed to evaluate intravascular ultrasound (IVUS)-measured segmental MSA after LM crossover stenting.</p><p><strong>Methods: </strong>We identified 829 consecutive patients who underwent IVUS-guided PCI for unprotected LM disease using a single-stent crossover technique. The final MSA was measured at the proximal LM, distal LM, and left anterior descending artery (LAD) ostium. The primary outcome was 5-year major adverse cardiac events (MACE), including all-cause death, myocardial infarction, and target lesion revascularisation.</p><p><strong>Results: </strong>The MSA cutoff values best predicting 5-year MACE were 11.4 mm² for the proximal LM (area under the curve [AUC] 0.62), 8.4 mm² for the distal LM (AUC 0.58), and 8.1 mm² for the LAD ostium (AUC 0.57). Based on these cutoff values, stent underexpansion in the proximal LM was significantly associated with increased risk of 5-year MACE (adjusted hazard ratio [HR] 2.34; p<0.001). Additionally, patients with simultaneous stent underexpansion in both the distal LM and LAD ostium exhibited a significantly higher risk of 5-year MACE compared with those having adequate expansion or only single-site underexpansion (adjusted HR 2.57; p<0.001).</p><p><strong>Conclusions: </strong>Achieving sufficient stent expansion in the proximal LM and preventing underexpansion in both the distal LM and LAD ostium are critical for improving long-term clinical outcomes. The identified MSA thresholds may serve as practical benchmarks for stent optimisation during LM PCI.</p>","PeriodicalId":54378,"journal":{"name":"Eurointervention","volume":"21 18","pages":"e1069-e1080"},"PeriodicalIF":9.5,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12418107/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145076505","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EurointerventionPub Date : 2025-09-15DOI: 10.4244/EIJ-E-25-00022
Kentaro Hayashida, Juri Iwata
{"title":"An ongoing quest to discern the optimal antithrombotic therapy after TAVI.","authors":"Kentaro Hayashida, Juri Iwata","doi":"10.4244/EIJ-E-25-00022","DOIUrl":"10.4244/EIJ-E-25-00022","url":null,"abstract":"","PeriodicalId":54378,"journal":{"name":"Eurointervention","volume":"21 18","pages":"e1045-e1046"},"PeriodicalIF":9.5,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12418104/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145076531","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EurointerventionPub Date : 2025-09-15DOI: 10.4244/EIJ-D-25-00255
Giuseppe Tarantini, Won-Keun Kim, Gerrit Kaleschke, Andreas Holzamer, Norman Mangner, Radoslaw Parma, Francesco Cardaioli, Luca Nai Fovino
{"title":"Redo-TAVI with the ACURATE platform for failure of short-frame transcatheter heart valves.","authors":"Giuseppe Tarantini, Won-Keun Kim, Gerrit Kaleschke, Andreas Holzamer, Norman Mangner, Radoslaw Parma, Francesco Cardaioli, Luca Nai Fovino","doi":"10.4244/EIJ-D-25-00255","DOIUrl":"10.4244/EIJ-D-25-00255","url":null,"abstract":"<p><p>Editorial note: On 28 May 2025, the manufacturer announced the global discontinuation of sales of its ACURATE neo2 and ACURATE Prime aortic valve systems. The following correspondence, submitted and accepted prior to the market withdrawal, discusses clinical experience with this device. Though no longer relevant for current practice, the Editorial Board believes it is important to document these findings in the interest of transparency and completeness of the scientific record. Accordingly, we are publishing this work as a Research Correspondence, with acknowledgement of the device's discontinued status.</p>","PeriodicalId":54378,"journal":{"name":"Eurointervention","volume":"21 18","pages":"e1102-e1105"},"PeriodicalIF":9.5,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12418105/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145076563","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EurointerventionPub Date : 2025-09-15DOI: 10.4244/EIJ-D-25-00121
Nicolas Amabile, Hakim Benamer
{"title":"Calcium mapping by 3DStent technology.","authors":"Nicolas Amabile, Hakim Benamer","doi":"10.4244/EIJ-D-25-00121","DOIUrl":"10.4244/EIJ-D-25-00121","url":null,"abstract":"","PeriodicalId":54378,"journal":{"name":"Eurointervention","volume":"21 18","pages":"e1106-e1107"},"PeriodicalIF":9.5,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12438963/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145076497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EurointerventionPub Date : 2025-09-15DOI: 10.4244/EIJ-E-25-00038
José M de la Torre Hernandez
{"title":"Evolving cutoff values for optimising left main stenting with intravascular imaging.","authors":"José M de la Torre Hernandez","doi":"10.4244/EIJ-E-25-00038","DOIUrl":"10.4244/EIJ-E-25-00038","url":null,"abstract":"","PeriodicalId":54378,"journal":{"name":"Eurointervention","volume":"21 18","pages":"e1043-e1044"},"PeriodicalIF":9.5,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12418103/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145076546","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EurointerventionPub Date : 2025-09-15DOI: 10.4244/EIJ-D-24-01000
David Meier, Julien Delarive, Althea Lai, Rebecca T Hahn, João L Cavalcante, Anita W Asgar, Azeem Latib, Pankaj Garg, Susheel Kodali, Vinayak N Bapat, Magnus Settergren, Janarthanan Sathananthan, Christopher U Meduri, Stephanie L Sellers
{"title":"DurAVR - a novel biomimetic balloon-expandable transcatheter valve for TAVI, valve-in-valve TAVI and redo-TAVI.","authors":"David Meier, Julien Delarive, Althea Lai, Rebecca T Hahn, João L Cavalcante, Anita W Asgar, Azeem Latib, Pankaj Garg, Susheel Kodali, Vinayak N Bapat, Magnus Settergren, Janarthanan Sathananthan, Christopher U Meduri, Stephanie L Sellers","doi":"10.4244/EIJ-D-24-01000","DOIUrl":"10.4244/EIJ-D-24-01000","url":null,"abstract":"<p><strong>Background: </strong>The DurAVR transcatheter heart valve (THV) is a novel biomimetic balloon-expandable valve with promising early clinical results.</p><p><strong>Aims: </strong>We aimed to assess the hydrodynamic performance of the DurAVR THV in native, valve-in-valve (ViV), and redo-transcatheter aortic valve implantation (TAVI) procedures against commercially available THVs on the bench.</p><p><strong>Methods: </strong>The hydrodynamic function of the DurAVR THV was assessed by simulating native valve deployments at 0 mm, 3 mm, and 6 mm depths, compared to SAPIEN 3 (S3), Evolut PRO, Navitor, and ACURATE neo2 (ACn2) valves. For ViV simulations, THVs were implanted in 21 mm and 23 mm Magna Ease, Mosaic, and Hancock bioprostheses. For redo-TAVI simulations, the DurAVR THV was assessed within S3, Evolut PRO, Navitor, and ACn2 valves.</p><p><strong>Results: </strong>For native TAVI simulations, the DurAVR THV demonstrated superior or comparable hydrodynamic performance, independent of implant depth, with an effective orifice area (EOA) ≥3 cm<sup>2</sup> and a mean gradient (MG) <6 mmHg. The DurAVR THV had nil to mild pinwheeling (0-2%) at all depths, while the S3 and Evolut PRO showed moderate pinwheeling at 6 mm depth. For ViV simulations, the DurAVR THV exhibited larger EOAs and lower MGs than the comparator THVs and showed no more than mild pinwheeling in all ViV configurations. For redo-TAVI simulations, the DurAVR THV exhibited larger EOAs and lower MGs in each simulation compared to all other THVs tested, with no more than mild pinwheeling observed in all configurations except when implanted within the Evolut PRO.</p><p><strong>Conclusions: </strong>In this bench study, the DurAVR THV demonstrated excellent hydrodynamic performance in native, ViV, and redo-TAVI simulations. Future large-scale studies are needed to confirm these findings in clinical application and further characterise the valve's short- and long-term performance.</p>","PeriodicalId":54378,"journal":{"name":"Eurointervention","volume":"21 18","pages":"e1090-e1101"},"PeriodicalIF":9.5,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12438964/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145076565","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EurointerventionPub Date : 2025-09-15DOI: 10.4244/EIJ-D-24-00992
Domenico Simone Castiello, Angelo Oliva, Giuseppe Andò, Giampaolo Niccoli, Francesco Pelliccia, Elisabetta Moscarella, Rocco Antonio Montone, Felice Gragnano, Italo Porto, Paolo Calabrò, Salvatore De Rosa, Carmen Anna Maria Spaccarotella, Enrico Fabris, Giovanni Esposito, Ciro Indolfi, Gianfranco Sinagra, Pasquale Perrone Filardi, Raffaele Piccolo, On Behalf Of The Working Group Of Interventional Cardiology Of The Italian Society Of Cardiology
{"title":"Antithrombotic therapy in complex percutaneous coronary intervention.","authors":"Domenico Simone Castiello, Angelo Oliva, Giuseppe Andò, Giampaolo Niccoli, Francesco Pelliccia, Elisabetta Moscarella, Rocco Antonio Montone, Felice Gragnano, Italo Porto, Paolo Calabrò, Salvatore De Rosa, Carmen Anna Maria Spaccarotella, Enrico Fabris, Giovanni Esposito, Ciro Indolfi, Gianfranco Sinagra, Pasquale Perrone Filardi, Raffaele Piccolo, On Behalf Of The Working Group Of Interventional Cardiology Of The Italian Society Of Cardiology","doi":"10.4244/EIJ-D-24-00992","DOIUrl":"10.4244/EIJ-D-24-00992","url":null,"abstract":"<p><p>Over the past decades, percutaneous coronary intervention (PCI) has become the most common modality for myocardial revascularisation, and it is increasingly used in patients with advanced coronary artery disease. Antithrombotic therapy, including antiplatelet and anticoagulant drugs, plays a key role and should be part of the optimal revascularisation strategy in the early phase as well as in the long-term prevention of ischaemic events. An antithrombotic therapy regimen of increased intensity and/or duration may mitigate part of the ischaemic burden associated with complex PCI. However, patients undergoing complex PCI are often at increased bleeding risk, challenging, therefore, the decision-making process. In this setting, the optimal antithrombotic treatment is still a matter of debate and has become a field of intensive research. In this state-of-the-art review, we analyse the evidence related to the different approaches regarding the periprocedural and long-term antithrombotic management of patients undergoing complex PCI. Since a \"one-size-fits-all\" approach cannot be justified in this clinical setting, our aim is to tailor the antithrombotic strategy to each patient's profile and PCI complexity. We discuss the type and duration of antithrombotic regimens that can be selected for patients undergoing complex PCI, with a focus on prolonged dual antiplatelet therapy, P2Y<sub>12</sub> receptor inhibitor monotherapy, and dual pathway inhibition. We also address antithrombotic management in specific scenarios (left main disease, coronary bifurcations, chronic total occlusion) and in patients undergoing complex PCI who require oral anticoagulant therapy.</p>","PeriodicalId":54378,"journal":{"name":"Eurointervention","volume":"21 18","pages":"e1051-e1068"},"PeriodicalIF":9.5,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12418109/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145076579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
EurointerventionPub Date : 2025-09-01DOI: 10.4244/EIJ-D-24-01155
Jelmer Westra, Laust Dupont Rasmussen, Salma Raghad Karim, Rebekka Viberg Jensen, June Anita Ejlersen, Lars Christian Gormsen, Morten Bøttcher, Ashkan Eftekhari, Simon Winther, Evald Høj Christiansen
{"title":"Coronary microvascular disease in patients referred to coronary angiography following coronary computed tomography angiography.","authors":"Jelmer Westra, Laust Dupont Rasmussen, Salma Raghad Karim, Rebekka Viberg Jensen, June Anita Ejlersen, Lars Christian Gormsen, Morten Bøttcher, Ashkan Eftekhari, Simon Winther, Evald Høj Christiansen","doi":"10.4244/EIJ-D-24-01155","DOIUrl":"10.4244/EIJ-D-24-01155","url":null,"abstract":"<p><strong>Background: </strong>Ischaemia without obstructive epicardial coronary artery disease (CAD) is common and is often related to coronary microvascular disease (CMD). Previous studies primarily focused on functional assessment in patients with established ischaemia without obstructive epicardial CAD.</p><p><strong>Aims: </strong>We sought to assess the prevalence of CMD and compare clinical and procedural characteristics including myocardial perfusion imaging, as derived from rubidium-82 positron emission tomography (<sup>82</sup>Rb-PET), and health status according to CAD classification.</p><p><strong>Methods: </strong>We conducted a prospective, observational study of symptomatic patients with suspected obstructive epicardial CAD on coronary computed tomography angiography. All patients were referred to <sup>82</sup>Rb-PET and invasive coronary angiography with bolus thermodilution. CMD was defined as the absence of obstructive epicardial CAD (fractional flow reserve>0.80 or diameter stenosis <90%) combined with coronary flow reserve <2.5 and/or index of microvascular resistance ≥25. Main analyses included myocardial perfusion characteristics by <sup>82</sup>Rb-PET and health status at baseline and at 3-month follow-up according to CAD classification (no disease, obstructive epicardial CAD, isolated CMD or combined obstructive epicardial CAD and CMD).</p><p><strong>Results: </strong>Among 561 patients, isolated CMD was diagnosed in 131 patients (prevalence 0.23, 95% confidence interval [CI]: 0.20-0.27). Vessel territories with isolated CMD were characterised by similar perfusion characteristics to non-diseased vessels (mean difference in hyperaemic myocardial blood flow 0.03 [95% CI: -0.13 to 0.06] mL/min/g). Patients with isolated epicardial disease on both patient and vessel levels had reduced stress myocardial blood flow compared to patients without disease. The probability of being angina-free at 3 months tended to be lower for the CMD group (odds ratio [OR] 0.56, 95% CI: 0.31-1.00) and higher for the revascularised epicardial disease group (OR 1.52, 95% CI: 0.94-2.48) compared to the group classified as not diseased.</p><p><strong>Conclusions: </strong>CMD, as identified with bolus thermodilution, is common in patients referred to invasive coronary angiography based on suspected obstructive epicardial CAD even in patients with normal stress myocardial blood flow by <sup>82</sup>Rb-PET. (ClinicalTrials.gov: NCT02264717 and NCT04707859).</p>","PeriodicalId":54378,"journal":{"name":"Eurointervention","volume":"21 17","pages":"e1005-e1014"},"PeriodicalIF":9.5,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12378605/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144979066","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}