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Background: Despite continuous improvements in revascularization techniques, refractory angina without potential revascularization options remains a relevant clinical issue with significant impact on the patient's quality of life. Recently, a novel device, the Coronary Sinus Reducer (CSR), has been introduced into clinical practice as a therapeutic option for patients with disabling angina pectoris. In this single-center, observational study, we evaluated the mid-term (3-month) safety and efficacy of the CSR in a real-world cohort. Methods: The study population consisted of 55 patients with refractory angina without potential revascularization options, who were predominantly men (87.3%) with a high cardiovascular risk factor burden and advanced angina (baseline CCS angina class 3.15 ± 0.6). In terms of procedure safety, all patients underwent successful device deployment with only one periprocedural complication. Results: At the 3-month follow-up, we observed a statistically significant improvement in angina control measured CCS class and SAQ-7 total questionnaire along with increased abolition of physical limitation-6-MWT (233.3 ± 107.1 vs. 305.2 ± 126.8; p < 0.0001). Additionally, we observed significant improvement in terms of quality of life measurements SF-36, the EQ-5D-5L questionnaire, and the EQ-VAS. Conclusions: Our real-world data suggest that CSR implantation is a relatively safe procedure and appears to be particularly effective in relieving angina symptoms and improving quality of life in subjects with refractory angina.
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BACKGROUND: The acute coronary syndrome (ACS) continues to be a fundamental indication for revascularization by percutaneous coronary intervention (PCI). Drug-eluting stent (DES) implantation remains a part of contemporary practice but permanent caging of the vascular structure with the metallic stent structure may increase the rate of device-related adverse clinical events. As an alternative to classic metallic DESs, the bioresorbable scaffolds (BRSs) have emerged as a temporary vascular support technology. We evaluated the mid-term outcomes of two generations of bioresorbable scaffolds-Absorb (Abbott-Vascular, Chicago, IL, USA) and Magmaris (Biotronik, Germany)-in patients with non-ST-elevation ACS. METHODS: The study cohort consisted of 193 subjects after Magmaris implantation and 160 patients following Absorb implantation in large-vessel lesions. RESULTS: At 2 years, a significantly lower rate of a primary outcome (cardiac death, myocardial infarction, stent thrombosis) was observed with Magmaris (5.2% vs. 15%; p = 0.002). In addition, we observed a significantly lower rate of MI in the target vessel (2.6% vs. 9.4%; p = 0.009) and a lower rate of scaffold thrombosis (0% vs. 3.7%; p = 0.008). The TLF rate between the two groups was not significantly different. CONCLUSION: Magmaris demonstrated a good safety profile and more favorable clinical outcomes when compared to Absorb in patients with non-ST-elevation ACS.
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BACKGROUND: There are different definitions of periprocedural myocardial infarction (PPMI) both in terms of thresholds for cardiac biomarkers and the ancillary criteria for myocardial ischemia. Cardiac Troponin I (cTnI) and cardiac Troponin T (cTnT) are used interchangeably to diagnose PPMI. OBJECTIVES: This study evaluated the frequency of periprocedural myocardial injury and infarction as defined by the Society of Cardiovascular Angiography & Interventions (SCAI), the Academic Research Consortium-2 (ARC-2), and the 4th Universal definition of MI (4UDMI) stratified using cTnT versus cTnI, among patients with chronic coronary syndrome (CCS) and unstable angina. RESULTS: Among 830 patients, PPMI rates according to the SCAI, ARC2 and 4UDMI criteria were 4.34 %, 2.05 %, and 4.94 % respectively, with higher rates seen for all definitions when using cTnI versus cTnT (SCAI: 9.84 % vs. 1.91 %, p < 0.001; ARC 2: 3.15 % vs. 1.56 %, p = 0.136; and 4UDMI 5.91 % vs. 4.51 %, p = 0.391). Minor and major periprocedural myocardial injury was respectively observed in 58.31 % and 27.10 % of patients, with rates of both significantly higher when using cTnI versus cTnT (Minor: 69.29 % vs. 53.47 %, p < 0.001, Major: 49.21 % vs. 17.36 %, p < 0.001). CONCLUSIONS: Among patients with CCS and unstable angina, PPMIs defined by SCAI occurred more frequently when using cTnI as opposed to cTnT, whereas the type of troponin had no impact on the incidence of PPMIs according to the ARC-2 and 4UDMI.
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Introduction: Acute coronary syndrome (ACS) is a well-known risk factor for adverse clinical outcomes in percutaneous coronary intervention (PCI). Therefore, evaluation of coronary stents in this challenging clinical scenario can provide unique information on device safety and efficacy. Bioresorbable scaffolds (BRS) were designed to overcome long-term complications related to permanent vessel caging with a permanent metallic drug-eluting stent (DES). Aim: We designed this study to evaluate the mid-term safety and efficiency of the Magmaris BRS in comparison to the leading new-generation ultrathin DES Ultimaster in the ACS population. Material and methods: We present a retrospective analysis of 2-year follow-up data. The primary outcomes consisted of death from cardiac causes, myocardial infarction, and in-stent thrombosis. The second main study endpoint was defined as target-lesion failure (TLF). Results: The study population consisted of two cohorts, the first of 193 patients treated with Magmaris implantation and the second of 169 patients treated with Ultimaster implantation. At the 2-year follow-up, there were no significant differences in both study cohorts in terms of primary outcome (5.1% vs. 11%; p = 0.051), and TLF (5.6% vs. 8%, p = 0.41). Conclusions: Treatment with a second-generation BRS (Magmaris) versus a novel second-generation DES (Ultimaster) in non-ST-elevation acute coronary syndrome (NSTE-ACS) was associated with similar rates of target lesion failure at 2-year follow-up.
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AIMS: The aim of the study is to assess the impact of the baseline plaque composition on the DREAMS 3G luminal late loss and to compare the serial plaque changes between baseline and 6 and 12 months (M) follow-up. METHODS AND RESULTS: A total of 116 patients were enrolled in the BIOMAG-I trial. Patients were imaged with optical coherence tomography (OCT) pre- and post-DREAMS 3G implantation and at 6 and 12 M. OCTPlus software uses artificial intelligence to assess composition (i.e. lipid, calcium, and fibrous tissue) of the plaque. The differences between the OCT-derived minimum lumen area (MLA) post-percutaneous coronary intervention and 12 M were grouped into three terciles. Patients with larger MLA differences at 12 M (P = 0.0003) had significantly larger content of fibrous tissue at baseline. There was a reduction of 24.8% and 20.9% in lipid area, both P < 0.001, between the pre-DREAMS 3G OCT and the 6 and 12 M follow-up. Conversely, the fibrous tissue increased by 48.4% and 36.0% at 6 and 12 M follow-up, both P < 0.001. CONCLUSION: The larger the fibrous tissue in the lesion at baseline, the larger the luminal loss seen at 6 and 12 M. Following the implantation of DREAMS 3G, favourable healing of the vessel coronary wall occurs as shown by a decrease in the lipid area and an increase in fibrous tissue.
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Doença da Artéria Coronariana , Stents Farmacológicos , Intervenção Coronária Percutânea , Placa Aterosclerótica , Humanos , Implantes Absorvíveis , Inteligência Artificial , Angiografia Coronária , Vasos Coronários , Lipídeos , Tomografia de Coerência Óptica/métodos , Resultado do TratamentoRESUMO
BACKGROUND: Impella is a percutaneous mechanical circulatory support device for treatment of cardiogenic shock (CS) and high-risk percutaneous coronary interventions (HR-PCIs). IMPELLA-PL is a national retrospective registry of Impella-treated CS and HR-PCI patients in 20 Polish interventional cardiological centers, conducted from January 2014 until December 2021. AIMS: We aimed to determine the efficacy and safety of Impella using real-world data from IMPELLA-PL and compare these with other registries. METHODS: IMPELLA-PL data were analyzed to determine primary endpoints: in-hospital mortality and rates of mortality and major adverse cardiovascular and cerebrovascular events (MACCE) at 12 months post-discharge. RESULTS: Of 308 patients, 18% had CS and 82% underwent HR-PCI. In-hospital mortality rates were 76.4% and 8.3% in the CS and HR-PCI groups, respectively. The 12-month mortality rates were 80.0% and 18.2%, and post-discharge MACCE rates were 9.1% and 22.5%, respectively. Any access site bleeding occurred in 30.9% of CS patients and 14.6% of HR-PCI patients, limb ischemia in 12.7% and 2.4%, and hemolysis in 10.9% and 1.6%, respectively. CONCLUSIONS: Impella is safe and effective during HR-PCIs, in accordance with previous registry analyses. The risk profile and mortality in CS patients were higher than in other registries, and the potential benefits of Impella in CS require investigation.
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Coração Auxiliar , Intervenção Coronária Percutânea , Humanos , Choque Cardiogênico/terapia , Polônia , Intervenção Coronária Percutânea/efeitos adversos , Estudos Retrospectivos , Assistência ao Convalescente , Alta do Paciente , Sistema de Registros , Resultado do TratamentoRESUMO
BACKGROUND: Coronary calcifications represent a challenging subset for the interventional cardiologist performing percutaneous coronary intervention (PCI) and are well-established risk factors for adverse outcomes. Adequate plaque modification prior to stent implantation is critical to achieve an optimal outcome following PCI. Recently, a novel orbital atherectomy device has been introduced into clinical practice to modify calcified plaques. We evaluated the mid-term safety and efficacy of OA in a high-risk "all-comers" population. METHODS: We evaluated 96 consecutive patients with severely calcified coronary lesions who underwent PCI facilitated by the orbital atherectomy device. RESULTS: In-hospital MACCE was 5.2% without target lesion revascularization. At 6-month follow-up, the MACCE rate was 10.4% with a concomitant TLR rate of 1%. CONCLUSIONS: Our mid-term data showed good safety and efficacy of orbital atherectomy as a plaque-modifying tool in an all-comers cohort with severely calcified coronary lesions.
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BACKGROUND: Limited information is available on the comparative efficacy and safety of different stent platforms in patients at high bleeding risk undergoing an abbreviated dual antiplatelet therapy duration after percutaneous coronary intervention (PCI). The aim of this study was to compare the safety and effectiveness of the biodegradable-polymer sirolimus-eluting stent with the durable-polymer zotarolimus-eluting stent in patients at high bleeding risk receiving 1 month of dual antiplatelet therapy after PCI. METHODS: The Bioflow-DAPT Study is an international, randomized, open-label trial conducted at 52 interventional cardiology hospitals in 18 countries from February 24, 2020, through September 20, 2021. Patients with a clinical indication to PCI because of acute or chronic coronary syndrome who fulfilled 1 or more criteria for high bleeding risk were eligible for enrollment. Patients were randomized to receive either biodegradable-polymer sirolimus-eluting stents or durable-polymer, slow-release zotarolimus-eluting stents after successful lesion preparation, followed by 1 month of dual antiplatelet therapy and thereafter single antiplatelet therapy. The primary outcome was the composite of death from cardiac causes, myocardial infarction, or stent thrombosis at 1 year, and was powered for noninferiority, with an absolute margin of 4.1% at 1-sided 5% alpha. RESULTS: A total of 1948 patients at high bleeding risk were randomly assigned (1:1) to receive biodegradable-polymer sirolimus-eluting stents (969 patients) or durable-polymer zotarolimus-eluting stents (979 patients). At 1 year, the primary outcome was observed in 33 of 969 patients (3.6%) in the biodegradable-polymer sirolimus-eluting stent group and in 32 of 979 patients (3.4%) in the durable-polymer zotarolimus-eluting stent group (risk difference, 0.2 percentage points; upper boundary of the 1-sided 95% CI, 1.8; upper boundary of the 1-sided 97.5% CI, 2.1; P<0.0001 for noninferiority for both tests). CONCLUSIONS: Among patients at high risk for bleeding who received 1 month of dual antiplatelet therapy after PCI, the use of biodegradable-polymer sirolimus-eluting stents was noninferior to the use of durable-polymer zotarolimus-eluting stents with regard to the composite of death from cardiac causes, myocardial infarction, or stent thrombosis. REGISTRATION: URL: https://www. CLINICALTRIALS: gov; Unique identifier: NCT04137510.
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Doença da Artéria Coronariana , Stents Farmacológicos , Infarto do Miocárdio , Intervenção Coronária Percutânea , Trombose , Humanos , Everolimo , Doença da Artéria Coronariana/terapia , Stents Farmacológicos/efeitos adversos , Polímeros , Intervenção Coronária Percutânea/efeitos adversos , Inibidores da Agregação Plaquetária/efeitos adversos , Resultado do Tratamento , Implantes Absorvíveis , Sirolimo/efeitos adversos , Infarto do Miocárdio/tratamento farmacológico , Stents/efeitos adversos , Trombose/etiologiaRESUMO
BACKGROUND: The impact of intracoronary imaging on outcomes, after provisional versus dual-stenting for bifurcation left main (LM) lesions, is unknown. OBJECTIVES: We investigated the effect of intracoronary imaging in the EBC MAIN trial (European Bifurcation Club LM Coronary Stent study). METHODS: Four hundred and sixty-seven patients were randomized to dual-stenting or a stepwise provisional strategy. Four hundred and fifty-five patients were included. Intravascular ultrasound (IVUS) or optical coherence tomography (OCT) was undertaken at the operator's discretion. The primary endpoint was death, myocardial infarction or target vessel revascularization at 1-year. RESULTS: Intracoronary imaging was undertaken in 179 patients (39%; IVUS = 151, OCT = 28). As a result of IVUS findings, operators reintervened in 42 procedures. The primary outcome did not differ with intracoronary imaging versus angiographic-guidance (17% vs. 16%; odds ratio [OR]: 0.92 (95% confidence interval [CI]: 0.51-1.63) p = 0.767), nor for reintervention based on IVUS versus none (14% vs. 16%; OR: 0.88 [95% CI: 0.32-2.43] p = 0.803), adjusted for syntax score, lesion calcification and ischemic symptoms. With angiographic-guidance, primary outcome events were more frequent with dual versus provisional stenting (21% vs. 10%; adjusted OR: 2.11 [95% CI: 1.04-4.30] p = 0.039). With intracoronary imaging, there were numerically fewer primary outcome events with dual versus provisional stenting (13% vs. 21%; adjusted OR: 0.56 [95% CI: 0.22-1.46] p = 0.220). CONCLUSIONS: In EBC MAIN, the primary outcome did not differ with intracoronary imaging versus none. However, in patients with angiographic-guidance, outcomes were worse with a dual-stent than provisional strategy When intracoronary imaging was used, there was a trend toward better outcomes with the dual-stent than provisional strategy.
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Doença da Artéria Coronariana , Infarto do Miocárdio , Intervenção Coronária Percutânea , Humanos , Doença da Artéria Coronariana/diagnóstico por imagem , Doença da Artéria Coronariana/terapia , Doença da Artéria Coronariana/etiologia , Intervenção Coronária Percutânea/efeitos adversos , Intervenção Coronária Percutânea/métodos , Resultado do Tratamento , Infarto do Miocárdio/etiologia , Stents , Angiografia Coronária/métodosRESUMO
BACKGROUND: Coronary interventions in calcified lesions are associated with a higher rate of adverse clinical events. Initial aggressive plaque modification along with post-implantation optimization is pivotal for achieving a favorable outcome of percutaneous coronary intervention (PCI). Recently, the Shockwave C2 Intravascular Lithotripsy (S-IVL) System, a novel acoustic wave-based device designed to modify calcified plaque, has been introduced into clinical practice. AIMS: We evaluated the mid-term safety and efficiency of S-IVL in a cohort of 131 consecutive patients with severely calcified coronary lesions. METHODS: We retrospectively analyzed a total of 131 consecutive S-IVL PCI procedures. The study had two main inclusion criteria - the presence of a calcified resistant lesion (defined by inadequate non-compliant balloon catheter inflation) or a significantly underexpanded stent (more than 20% of reference diameter). The study had two primary endpoints - successful clinical outcome and safety concerns. Clinical success was defined as effective stent deployment or optimization of a previously underexpanded stent (with less than <20% in-stent residual stenosis). Safety outcomes were defined as periprocedural complications, such as device failure and major adverse cardiac and cerebrovascular events (MACCE). Clinical follow-up was performed at the end of hospitalization and 6 months after the index procedure. RESULTS: In-hospital MACCE was 4.6% with 1.5% target lesion revascularization (TLR) and one case of subacute fatal stent thrombosis. At 6-month follow-up, the MACCE rate was 7.9% with a concomitant TLR rate of 3.8%. CONCLUSION: Our mid-term data confirm acceptable safety and efficacy of intravascular lithotripsy as a valuable strategy for lesion preparation and stent optimization in a cohort of 131 consecutive patients with severely calcified coronary lesions.
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BACKGROUND: Diabetes type 2 is one of the strongest risk factors affecting coronary artery disease (CAD) and is also a marker of poor short and long-term prognosis in subjects with acute coronary syndrome (ACS) treated with percutaneous coronary intervention (PCI) with subsequent drug-eluting stent (DES) implantation. Chronic local vascular inflammation along with endothelial dysfunction is postulated to be the pathophysiological background of unfavorable results. The second generation of metallic magnesium BRS -Magmaris (Biotronik, Berlin, Germany) had been introduced to clinical practice to overcome these limitations. METHODS: We evaluated 2-years clinical outcomes after Magmaris BRS implantation in NSTE-ACS diabetic (n-72) and non-diabetic (n-121) cohorts. RESULTS: No significant differences between diabetic and non-diabetes cohorts were noticed in terms of Primary Outcome (cardiac death, myocardial infarction, stent thrombosis) (8.1% vs 3.3% p = 0.182) and Principal secondary outcome - TLF- target lesion failure (9.5% vs 3.3% p = 0.106) at 2-years follow-up. CONCLUSIONS: 2-years outcome suggests good safety and efficacy of the magnesium BRS (Magmaris) in NSTE- ACS and concomitant DM. Nevertheless, there is a strong need for large multicenter, randomized, prospective studies for a full assessment of this novel device in diabetic patients with ACS.
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Síndrome Coronariana Aguda , Diabetes Mellitus , Stents Farmacológicos , Intervenção Coronária Percutânea , Humanos , Síndrome Coronariana Aguda/diagnóstico , Síndrome Coronariana Aguda/terapia , Magnésio/efeitos adversos , Implantes Absorvíveis , Intervenção Coronária Percutânea/efeitos adversos , Estudos Prospectivos , InflamaçãoRESUMO
BACKGROUND: Coronary calcifications, particularly in left main disease (LMD), are independently associated with adverse outcomes of percutaneous coronary intervention (PCI). Adequate lesion preparation is pivotal to achieve favorable short- and long-term outcomes. Rotational atherectomy devices have been used in contemporary practice to obtain adequate preparation of the calcified lesions. Recently, novel orbital atherectomy (OA) devices have been introduced to clinical practice to facilitate the preparation of the lesion. The objective of this study is to compare the short-term safety and efficacy of orbital and rotational atherectomy for LMD. METHODS: we retrospectively evaluated a total of 55 consecutive patients who underwent the LM PCI supported by either OA or RA. RESULTS: The OA group consisted of 25 patients with a median SYNTAX Score of 28 (26-36). The Rota group consisted of 30 patients with a median SYNTAX Score of 28 (26-33.1) There were no statistical differences in MACCE between the RA and OA subpopulations when recorded in-hospital (6.7% vs. 10.3% p = 0.619) as well as in a 1-month follow-up after the procedure (12% vs. 16.6% p = 0.261). CONCLUSION: OA and RA seem to be similarly safe and effective strategies for preparating the lesion in the high-risk population with calcified LMD.
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BACKGROUND: The third-generation coronary sirolimus-eluting magnesium scaffold, DREAMS 3G, is a further development of the DREAMS 2G (commercial name Magmaris), aiming to provide performance outcomes similar to drug-eluting stents (DES). AIMS: The BIOMAG-I study aims to assess the safety and performance of this new-generation scaffold. METHODS: This is a prospective, multicentre, first-in-human study with clinical and imaging follow-up scheduled at 6 and 12 months. The clinical follow-up will continue for 5 years. RESULTS: A total of 116 patients with 117 lesions were enrolled. At 12 months, after completion of resorption, in-scaffold late lumen loss was 0.24±0.36 mm (median 0.19, interquartile range 0.06-0.36). The minimum lumen area was 4.95±2.24 mm² by intravascular ultrasound and 4.68±2.32 mm² by optical coherence tomography. Three target lesion failures were reported (2.6%, 95% confidence interval: 0.9-7.9), all clinically driven target lesion revascularisations. Cardiac death, target vessel myocardial infarction and definite or probable scaffold thrombosis were absent. CONCLUSIONS: Data at the end of the resorption period of DREAMS 3G showed that the third-generation bioresorbable magnesium scaffold is clinically safe and effective, making it a possible alternative to DES. CLINICALTRIALS: gov: NCT04157153.
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Doença da Artéria Coronariana , Stents Farmacológicos , Intervenção Coronária Percutânea , Humanos , Implantes Absorvíveis , Angiografia Coronária/métodos , Doença da Artéria Coronariana/cirurgia , Magnésio/uso terapêutico , Estudos Prospectivos , Resultado do TratamentoRESUMO
The optimal duration of dual antiplatelet therapy (DAPT) in high bleeding risk (HBR) patients undergoing percutaneous coronary intervention (PCI) with implantation of the Orsiro Mission stent remains unclear. The BIOFLOW-DAPT (clinicaltrials.gov, NCT04137510) trial is a prospective, multi-center, randomized controlled study designed to assess the safety of the Orsiro Mission versus the Resolute Onyx stent in HBR patients. Patients are treated with DAPT (aspirin and a P2Y12 inhibitor) for 1 month, followed by a single antiplatelet therapy (SAPT). The primary endpoint is the composite of cardiac death, myocardial infarction, and definite or probable stent thrombosis at 1 year. With a final sample size of 1948 HBR patients, this study is powered to assess the noninferiority of the Orsiro Mission stent with respect to the primary study endpoint. The BIOFLOW-DAPT is the first randomized clinical trial investigating 1-month DAPT duration in HBR patients after implantation of the Orsiro Mission stent.Trial Registration: ClinicalTrials.gov number, NCT04137510 Study design and key features. Patient selection starts before the index PCI, when consented patients will be randomized to the Orsiro Mission or the Resolute Onyx stent with mandated 1-month DAPT. At 1 month, eligibility is reassessed and if met, patients will discontinue DAPT and continue with P2Y12 inhibitor or aspirin monotherapy. PCI, percutaneous coronary intervention; DAPT, dual antiplatelet therapy; DES, drug-eluting stent; HBR, high bleeding risk; P2Y12i, P2Y12 inhibitor; ST, stent thrombosis.
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Stents Farmacológicos , Intervenção Coronária Percutânea , Trombose , Humanos , Inibidores da Agregação Plaquetária , Stents Farmacológicos/efeitos adversos , Intervenção Coronária Percutânea/efeitos adversos , Estudos Prospectivos , Quimioterapia Combinada , Hemorragia/induzido quimicamente , Aspirina/uso terapêutico , Stents , Trombose/prevenção & controle , Trombose/induzido quimicamente , Resultado do TratamentoRESUMO
BACKGROUND: Bioresorbable scaffolds have been developed to overcome the limitations of drug-eluting stents and to reduce long-term adverse events. AIMS: We aimed to assess the long-term safety and efficacy of a sirolimus-eluting resorbable magnesium scaffold to ensure its safe rollout into clinical routine. METHODS: BIOSOLVE-IV is a prospective, international, multicentre registry including more than 100 centres in Europe, Asia, and Asia-Pacific. Enrolment started directly after the commercialisation of the device. Follow-up assessments are scheduled at 6 and 12 months, and annually for up to 5 years; we herein report the 24-month outcomes. RESULTS: Overall, 2,066 patients with 2,154 lesions were enrolled. Patients were 61.9±10.5 years old, 21.6% had diabetes, and 18.5% had non-ST-elevation myocardial infarction (NSTEMI). Lesions were 14.8±4.0 mm long with a reference vessel diameter of 3.2±0.3 mm. Device and procedure success were 97.5%, and 99.1%, respectively. The 24-month target lesion failure (TLF) rate was 6.8%, mainly consisting of clinically driven target lesion revascularisations (6.0%). Patients with NSTEMI had significantly higher TLF rates than those without (9.3% vs 6.2%; p=0.025), whereas there were no significant differences observed for patients with diabetes or with type B2/C lesions (a 24-month TLF rate of 7.0% and 7.9%, respectively). The 24-month rate of definite or probable scaffold thrombosis was 0.8%. Half of the scaffold thromboses occurred after premature discontinuation of antiplatelet/anticoagulation therapy, and only one scaffold thrombosis occurred beyond the 6-month follow-up, on day 391. CONCLUSIONS: The BIOSOLVE-IV registry showed good safety and efficacy outcomes, confirming a safe rollout of the Magmaris into clinical practice.