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Impact of Insulin-Treated and Noninsulin-Treated Diabetes Mellitus in All-Comer Patients Undergoing Percutaneous Coronary Interventions With Polymer-Free Biolimus-Eluting Stent (from the RUDI-FREE Registry). Am J Cardiol 2019; 124:1518-1527. [PMID: 31547997 DOI: 10.1016/j.amjcard.2019.08.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 07/30/2019] [Accepted: 08/02/2019] [Indexed: 02/06/2023]
Abstract
Patients with diabetes mellitus (DM) have worse outcomes after percutaneous coronary intervention (PCI). Recent evidences suggest a differential impact of insulin-treated and noninsulin-treated DM on prognosis. We evaluated the clinical outcome of diabetic patients after PCI with polymer-free biolimus-eluting stent from the RUDI-FREE Registry, investigating a possible different prognostic impact of insulin-treated and noninsulin-treated DM. A total of 1,104 consecutive patients who underwent PCI with polymer-free biolimus-eluting stent, enrolled in the RUDI-FREE observational, multicenter, single-arm registry, were stratified by diabetic status; diabetic population was further divided on the basis of insulin treatment. Primary end points of the study were target lesion failure (TLF; composite of cardiac death, target vessel myocardial infarction, target lesion revascularization) and major adverse cardiac and cerebrovascular events (composite of cardiac death, stroke, and myocardial infarction). Multiple ischemic adverse events were also single-handedly considered as secondary end points. At 1 year, TLF was significantly higher in the diabetic cohort, as compared with nondiabetic patients (6.0% vs 3.1%, p 0.022). None of the end points resulted significantly different between nondiabetics and noninsulin-treated diabetic patients. Divergently, compared with nondiabetic, insulin-treated diabetic patients faced significant higher rates of TLF (10.8% vs 3.1%, p 0.003), major adverse cardiac and cerebrovascular events (10.8% vs 3.4%, p 0.004), and of most of the analyzed adverse events. In conclusion, patients with DM had a higher risk of TLF compared with nondiabetics; nonetheless, the worse outcome of the diabetic population seems to be driven by the insulin-treated diabetic subpopulation. This finding suggests a different risk profile of insulin-treated and noninsulin-treated diabetic patients in the modern era of PCI.
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Jiménez Díaz VA, Hovasse T, Íñiguez A, Copt S, Byrne J, Brunel P, Morice MC, Abizaid A, Tespilli M, Walters D, Ortiz Sáez A, Bastos Fernández G, Stoll HP, Urban P. Impact of vascular access on outcome after PCI in patients at high bleeding risk: a pre-specified sub-analysis of the LEADERS FREE trial. ACTA ACUST UNITED AC 2019; 73:536-545. [PMID: 31563471 DOI: 10.1016/j.rec.2019.07.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 07/22/2019] [Indexed: 11/16/2022]
Abstract
INTRODUCTION AND OBJECTIVES The prognostic impact of bleeding in high bleeding risk (HBR) patients depending on the location of bleeding and prognosis in nonaccess site bleeding is unknown. We aimed to assess the impact of vascular access site on bleeding complications after percutaneous coronary interventions for HBR patients at 30-day and 2-year follow-up. METHODS The LEADERS FREE trial included 2432 HBR PCI patients. A Biolimus A9 drug-coated stent was superior to a bare-metal stent for safety and efficacy. This is a predefined sub-analysis of the LEADERS FREE trial. RESULTS Transradial access (TRA) was used in 1454 patients (59.8%) and transfemoral access (TFA) in 978 (40.2%), according to operator preference. The safety and benefits of drug-coated stents over bare-metal stents were independent of vascular access. At 30 days and 2 years, major bleeding had occurred in 2.4% and 7.5% of TRA patients and 4.6% and 10.9% of TFA patients (P=.003), respectively. Most of these events in both groups (2.1% and 7.0% for TRA; 3.2% and 9.4% for TFA, respectively) were nonaccess site-related. TRA was associated with a significant reduction in adjusted rates of major bleeding both at 30 days (HR, 1.98; 95%CI, 1.25-3.11; P=.003) and at 2 years of follow-up (HR, 1.51; 95%CI, 1.14-2.01; P=.003). This difference was driven by both access and nonaccess bleeding. CONCLUSIONS Operators preferred TRA for most HBR patients, which was associated with a significant reduction in major bleeding events. However, most of these events in this population are unrelated to vascular access.
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Affiliation(s)
- Víctor Alfonso Jiménez Díaz
- Departamento de Cardiología, Hospital Álvaro Cunqueiro, Hospital Universitario de Vigo, Vigo, Pontevedra, Spain
| | - Thomas Hovasse
- Cardiology Department, Hôpital Privé Jacques Cartier, Massy, France
| | - Andrés Íñiguez
- Departamento de Cardiología, Hospital Álvaro Cunqueiro, Hospital Universitario de Vigo, Vigo, Pontevedra, Spain
| | | | - Jonathan Byrne
- Cardiology Department, King's College, London, United Kingdom
| | | | | | - Alex Abizaid
- Cardiology Department, Instituto Dante Pazzanese de Cardiologia, São Paulo, Brazil
| | | | - Darren Walters
- Cardiology Department, Prince Charles Hospital, Queensland, Australia
| | - Alberto Ortiz Sáez
- Departamento de Cardiología, Hospital Álvaro Cunqueiro, Hospital Universitario de Vigo, Vigo, Pontevedra, Spain
| | - Guillermo Bastos Fernández
- Departamento de Cardiología, Hospital Álvaro Cunqueiro, Hospital Universitario de Vigo, Vigo, Pontevedra, Spain
| | | | - Philip Urban
- Cardiology Department, Hôpital de la Tour, Geneva, Switzerland.
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McKittrick CM, Cardona MJ, Black RA, McCormick C. Development of a Bioactive Polymeric Drug Eluting Coronary Stent Coating Using Electrospraying. Ann Biomed Eng 2019; 48:271-281. [PMID: 31441008 PMCID: PMC6928095 DOI: 10.1007/s10439-019-02346-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Accepted: 08/13/2019] [Indexed: 02/05/2023]
Abstract
Drug-eluting stents are now routinely used in the treatment of acute coronary syndromes caused by coronary artery disease. Whilst the sustained release of anti-proliferative drugs from these devices has greatly reduced the need for repeat revascularisation procedures, this approach is not suitable for all patients and appears to delay regrowth of the endothelium, necessitating the use of prolonged dual anti-platelet therapy. Although the development of more advanced stent platforms and drug coatings has produced modest improvements in performance, these devices have not fully addressed the limitations experienced with their first-generation counterparts. In the present study, we developed a novel stent coating that provides controlled sirolimus release from a bioactive polymer (accelerate™ AT) that has previously been shown to support endothelial cell growth in vitro. A bespoke electrospray deposition process provided control over the coating thickness, surface roughness, drug load, and release kinetics. The resultant optimised coating combines rapid release of an anti-proliferative agent from a bioactive polymer coating that promotes re-endothelialisation, thereby offering potential protection against in-stent restenosis and thrombosis. This novel, dual-action coating therefore has significant therapeutic potential, with the enhanced control of drug load and release kinetics offered by electrospray deposition also opening up opportunities for more personalised treatment approaches. Further development and evaluation of these technologies in vitro and in vivo is therefore warranted.
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Affiliation(s)
- C M McKittrick
- Department of Biomedical Engineering, University of Strathclyde, Graham Hills Building, 40 George Street, Glasgow, G1 1QE, UK.
| | - M J Cardona
- Department of Biomedical Engineering, University of Strathclyde, Graham Hills Building, 40 George Street, Glasgow, G1 1QE, UK
| | - R A Black
- Department of Biomedical Engineering, University of Strathclyde, Graham Hills Building, 40 George Street, Glasgow, G1 1QE, UK
| | - C McCormick
- Department of Biomedical Engineering, University of Strathclyde, Graham Hills Building, 40 George Street, Glasgow, G1 1QE, UK
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Tam CC, Lee J, Chan KW, Lam CC, Wong YT, Chan E, Sze M, Lam YM, Chan C, Tse HF, Siu CW. Incidence of dual antiplatelet therapy interruption within 1 year after primary percutaneous coronary intervention in patients with acute ST elevation myocardial infarction. Postgrad Med J 2019; 96:9-13. [PMID: 31324730 DOI: 10.1136/postgradmedj-2019-136760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 07/02/2019] [Accepted: 07/09/2019] [Indexed: 11/04/2022]
Abstract
BACKGROUND After primary percutaneous coronary intervention (PPCI) in patients with acute ST elevation myocardial infarction (STEMI), dual antiplatelet therapy (DAPT) is recommended to continue for 1 year. Occasionally, DAPT interruption may be required due to bleeding issues or unplanned surgical procedures. OBJECTIVE To systematically evaluate the incidence of DAPT interruption within 1 year after PPCI. METHODS AND RESULTS This was a single-centre, retrospective registry study. Consecutive patients with STEMI who underwent PPCI from 2013 to 2017 (N=538) were recruited into the analysis. The primary outcome was the incidence of interruption of DAPT within 1 year from the index PPCI. Secondary outcomes included incidence of bleeding in 1 year and prevalence of high bleeding risk (HBR) criteria at index presentation. Within 1 year, 17.1% (84/490) of post-PPCI survivors needed DAPT interruption and 7.1% (35/490) had major bleeding (Bleeding Academic Research Consortium type 3 or 5). At index presentation, HBR criteria were present in 36.1% (194/538) of patients. On univariate analysis, age, female gender, anaemia, anticoagulation, diabetes, hypertension and being a non-smoker were associated with DAPT interruption. On multivariate analysis, age was the only independent factor to predict DAPT interruption. CONCLUSION DAPT interruption was not uncommon after PPCI in patients with STEMI particularly in the elderly. This has implication on stent selection during PPCI, and further studies are required to investigate which type of stent may best suit our real-life patients with STEMI.
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Affiliation(s)
| | - Jeffrey Lee
- Medicine, University of Hong Kong, Hong Kong, China
| | - Ki Wan Chan
- Medicine, University of Hong Kong, Hong Kong, China
| | | | | | - Eric Chan
- Medicine, University of Hong Kong, Hong Kong, China
| | - Michael Sze
- Medicine, University of Hong Kong, Hong Kong, China
| | - Yui Ming Lam
- Medicine, University of Hong Kong, Hong Kong, China
| | - Carmen Chan
- Medicine, University of Hong Kong, Hong Kong, China
| | - Hung Fat Tse
- Medicine, University of Hong Kong, Hong Kong, China
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Pepe M, Biondi-Zoccai G, Corcione N, Nestola PL, Ferraro P, Morello A, Conte S, Prati F, Bianchi FP, Bortone AS, Giordano A. Comparative Effectiveness and Safety of Polymer-Free Biolimus-Eluting Stent and Durable Polymer Everolimus-Eluting Stent in All-Comer Patients Who Underwent Percutaneous Coronary Interventions. Am J Cardiol 2019; 124:195-204. [PMID: 31103132 DOI: 10.1016/j.amjcard.2019.04.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 03/30/2019] [Accepted: 04/04/2019] [Indexed: 02/08/2023]
Abstract
We aim to compare Polymer-Free Biolimus-Eluting Stent (PF-BES) with Durable Polymer Everolimus-Eluting stent (DP-EES) in unselected patients. PF-BES showed a favorable profile in high-bleeding risk patients who underwent percutaneous coronary intervention. Limited data are available on PF-BES compared with second-generation durable polymer-coated drug-eluting stents in patients eligible for standard dual antiplatelet therapy. A total of 848 consecutive patients were enrolled: 306 patients were treated with PF-BES and 542 with DP-EES. Stent performance was tested in a propensity score-matched population and in a Complex Higher-Risk and Indicated Patients (CHIP) subpopulation. A per-lesion analysis on 1,204 lesions (PF-BES = 424 vs DP-EES = 780) was also performed. At a medium follow-up of 18.5 ± 5.0 months, no differences in the matched population were found in terms of major adverse cardiac events (PF-BES 9.0% vs DP-EES 4.5%; p 0.091), myocardial infarction (PF-BES 6.2% vs DP-EES 2.3%; p 0.111), stent restenosis (PF-BES 2.3% vs DP-EES 0.0%; p 0.123), definite or probable stent thrombosis (PF-BES 2.8% vs DP-EES 1.1%; p 0.448). A significant inferior rate of restenosis was observed in the DP-EES arm in the whole (PF-BES 2.3% vs DP-EES 0.6%; p 0.041) and CHIP populations (PF-BES 4.3% vs DP-EES 0.5%; p 0.023), as well as in the per-lesion analysis (DP-EES 0.4% vs PF-BES 1.7%; p 0.039). In conclusion, in a real-world cohort PF-BES performed similarly to DP-EES in terms of restenosis and stent thrombosis in the matched population. Nonetheless, in the whole and CHIP populations, as well as in the per-lesion analysis, restenosis occurrence resulted higher in the PF-BES group.
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Comparison of the polymer-free biolimus-coated BioFreedom stent with the thin-strut biodegradable polymer sirolimus-eluting Orsiro stent in an all-comers population treated with percutaneous coronary intervention: Rationale and design of the randomized SORT OUT IX trial. Am Heart J 2019; 213:1-7. [PMID: 31055192 DOI: 10.1016/j.ahj.2019.02.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 02/15/2019] [Indexed: 01/20/2023]
Abstract
BACKGROUND In patients with increased bleeding risk during dual antiplatelet therapy, the biolimus A9-coated BioFreedom, a stainless steel drug-coated stent devoid of polymer, has shown superiority compared to a bare-metal stent. The aim of this study was to investigate whether the polymer-free biolimus A9-coated BioFreedom is noninferior to a modern thin-strut biodegradable polymer cobalt-chromium sirolimus-eluting Orsiro stent in an all-comers patient population treated with percutaneous coronary intervention. METHODS The multicenter SORT OUT IX trial (NCT02623140) randomly assigned all-comers patients to treatment with the BioFreedom drug-coated stent or the biodegradable polymer Orsiro stent in 4 Danish University Hospitals. The primary end point target lesion failure is a composite of cardiac death, myocardial infarction (not related to other than index lesion), or target lesion revascularization within 12 months. Clinically driven event detection based on Danish registries will be used and continue through 5 years. Assuming an event rate of 4.2% in each stent group, 1,563 patients in each treatment arm will provide 90% power to detect noninferiority of the drug-coated BioFreedom stent with a noninferiority margin of 2.1%. RESULTS A total of 3,150 patients have been randomized and enrolled in the study. CONCLUSIONS The SORT OUT IX trial will determine whether the drug-coated BioFreedom stent is noninferior to a modern biodegradable polymer Orsiro stent.
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Ferrone M, Cheng Y, Granada JF. Current concepts regarding drug dosing for peripheral stents. THE JOURNAL OF CARDIOVASCULAR SURGERY 2019; 60:439-449. [PMID: 31062571 DOI: 10.23736/s0021-9509.19.10995-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Drug-eluting stent (DES) are the mainstay therapy for the treatment of coronary artery disease. Stent design and drug-elution strategies have evolved over the years leading to the last generation DES which shows optimal safety and efficacy outcome. Peripheral arteries have different mechanical and biological features and the lessons learned from the coronary field have been difficult to introduce into the development of peripheral vascular technologies. First, due to its complex biomechanical behavior the use of metallic stents is limited in some vascular segments (i.e., distal superficial fermoral artery [SFA]). Also, peripheral vascular atherosclerosis is different containing higher levels of plaque burden and calcium. Finally, peripheral arterial disease tends to be more aggressive including longer lesions and higher incidence of total chronic occlusion. In general terms, restenosis in the peripheral vascular territory is more aggressive and occurs at a later time (~12 months) requiring a different pharmacokinetic profile compared to coronary technologies. Several strategies have been evaluated in the peripheral arteries raging from the bare metal stent to the drug coated balloon and drug eluting stent with outcome varying depending on the different field of application (i.e. SFA and below-the-knee). Results coming from the clinical trial are encouraging but further studies and direct comparison among the different technologies are demanded to determine the best therapy for peripheral vascular disease.
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Affiliation(s)
- Marco Ferrone
- Cardiovascular Research Foundation, Skirball Center for Innovation, Orangeburg, NY, USA.,Federico II University of Naples, Naples, Italy
| | - Yanping Cheng
- Cardiovascular Research Foundation, Skirball Center for Innovation, Orangeburg, NY, USA
| | - Juan F Granada
- Cardiovascular Research Foundation, Skirball Center for Innovation, Orangeburg, NY, USA -
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Association between epicardial adipose tissue and adverse outcomes in coronary heart disease patients with percutaneous coronary intervention. Biosci Rep 2019; 39:BSR20182278. [PMID: 30979830 PMCID: PMC6504663 DOI: 10.1042/bsr20182278] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 03/03/2019] [Accepted: 03/06/2019] [Indexed: 02/06/2023] Open
Abstract
We assessed the relationship between the volume of epicardial adipose tissue and long-term outcomes in patients with coronary heart disease (CHD) undergoing percutaneous coronary intervention (PCI). The patients with CHD were followed for at least 2 years after PCI. The epicardial adipose tissue volume (EATV) was measured using multi-slice computed tomography. Cox regression analysis was used to examine the relationship between EATV and clinical outcome. In this study, 500 patients were enrolled and followed up for a median of 25.2 months. The incidence of adverse cardiovascular events was 12.4%. No significant differences were observed in age, sex, proportion of patients with hypertension or diabetes, smoking, drinking, total cholesterol, triglyceride, high-density lipoprotein, or unstable angina pectoris among different EATV quartiles (P>0.05). The EATV was associated with body mass index (P<0.0001), low-density lipoprotein level (P=0.039), high-sensitivity C-reactive protein level (P<0.001), uric acid level (P=0.004), adiponectin level (P<0.001), and left ventricular ejection fraction (P<0.001). Kaplan–Meier analysis indicated a significant difference in survival rate of patients in EATV quartile 1 versus 4 (P=0.019). After adjusting for confounding factors, EATV quartile 4 (>216.15 cm3) was still associated with adverse cardiovascular outcomes (HR = 1.98, 95% CI: 1.15–4.47, P=0.023) compared with quartile 1 (<101.58 cm3). Our data suggest that EATV is an independent predictor of long-term major adverse cardiovascular events in CHD patients after PCI. Therefore, assessment of EATV using multi-slice computed tomography may contribute to risk stratification in these patients.
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Harada Y, Schneider S, Colleran R, Rai H, Bohner J, Kuna C, Kufner S, Giacoppo D, Schüpke S, Joner M, Ibrahim T, Laugwitz KL, Kastrati A, Byrne RA. Do outcomes following intervention for drug-eluting stent restenosis depend on whether the restenosed stent was polymer-free or polymer-coated? ACTA ACUST UNITED AC 2019; 73:225-231. [PMID: 30878234 DOI: 10.1016/j.rec.2019.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Accepted: 01/14/2019] [Indexed: 11/28/2022]
Abstract
INTRODUCTION AND OBJECTIVES Outcomes of patients undergoing percutaneous intervention for drug-eluting stent (DES) restenosis are poorer than those in patients with bare-metal stent restenosis. It is unknown if this is related to the presence of polymer coating. We sought to compare outcomes after interventions for in-stent restenosis (ISR) of polymer-free DES vs durable polymer DES. METHODS Patients enrolled in the ISAR-TEST 5 randomized trial who underwent repeat percutaneous intervention for ISR during follow-up were included. Angiographic outcomes at 6 to 8 months and clinical outcomes at 2 years were analyzed and compared between 2 groups according to whether the restenosed stent was a polymer-free or a durable polymer DES. Multivariate analysis was used to adjust for differences between groups. RESULTS A total of 326 patients with ISR were included: 220 with ISR in polymer-free DES and 106 with ISR in durable polymer DES. Angiographic follow-up was available for 83.4% of patients. No difference was observed in recurrent binary restenosis between the 2 groups (31.7% vs 27.0%; P=.38; Padjusted=.29). At 2 years, the composite of death, myocardial infarction, or repeat target lesion revascularization were similar between the 2 groups (35.7% vs 34.0%; HR=1.04, 95%CI, 0.70-1.55; P=.83; Padjusted=.79). The rate of repeat target lesion revascularization was also similar in the 2 groups (29.8% vs 31.5%; HR=0.91, 95%CI, 0.60-1.39; P=.68; Padjusted=.62). CONCLUSIONS In patients undergoing reintervention for DES-ISR, we found no evidence of differences in outcomes according to whether the restenosed stent was a polymer-free or durable polymer DES.
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Affiliation(s)
- Yukinori Harada
- Deutsches Herzzentrum München, Technische Universität München, München, Germany
| | - Simon Schneider
- I. Medizinische Klinik, Klinikum rechts der Isar, Technische Universität München, München, Germany
| | - Roisin Colleran
- Deutsches Herzzentrum München, Technische Universität München, München, Germany
| | - Himanshu Rai
- Deutsches Herzzentrum München, Technische Universität München, München, Germany
| | - Janika Bohner
- Deutsches Herzzentrum München, Technische Universität München, München, Germany
| | - Constantin Kuna
- Deutsches Herzzentrum München, Technische Universität München, München, Germany
| | - Sebastian Kufner
- Deutsches Herzzentrum München, Technische Universität München, München, Germany
| | - Daniele Giacoppo
- Deutsches Herzzentrum München, Technische Universität München, München, Germany
| | - Stefanie Schüpke
- Deutsches Herzzentrum München, Technische Universität München, München, Germany; DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, München, Germany
| | - Michael Joner
- Deutsches Herzzentrum München, Technische Universität München, München, Germany; DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, München, Germany
| | - Tareq Ibrahim
- I. Medizinische Klinik, Klinikum rechts der Isar, Technische Universität München, München, Germany
| | - Karl-Ludwig Laugwitz
- I. Medizinische Klinik, Klinikum rechts der Isar, Technische Universität München, München, Germany; DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, München, Germany
| | - Adnan Kastrati
- Deutsches Herzzentrum München, Technische Universität München, München, Germany; DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, München, Germany
| | - Robert A Byrne
- Deutsches Herzzentrum München, Technische Universität München, München, Germany; DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, München, Germany.
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Azarbal F, Price MJ. Newer-generation Metallic Stents: Design, Performance Characteristics, and Outcomes. Interv Cardiol Clin 2019; 8:95-109. [PMID: 30832945 DOI: 10.1016/j.iccl.2018.11.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Several new coronary stents have been, or soon will be, introduced in the United States. These stents incorporate certain characteristics, such as polymer-free drug coatings, ultrathin stent struts, bioresorbable polymers, and composite materials, that address currently unmet clinical needs to enhance acute stent performance, improve longer-term clinical outcomes, and obviate obligatory prolonged dual antiplatelet therapy. This article reviews the key and novel features of these stents.
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Affiliation(s)
- Farnaz Azarbal
- Division of Cardiovascular Diseases, Scripps Clinic, 9898 Genesee Avenue, AMP-200, La Jolla, CA 92037, USA
| | - Matthew J Price
- Division of Cardiovascular Diseases, Scripps Clinic, 9898 Genesee Avenue, AMP-200, La Jolla, CA 92037, USA.
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Frigoli E, Smits P, Vranckx P, Ozaki Y, Tijssen J, Jüni P, Morice MC, Onuma Y, Windecker S, Frenk A, Spaulding C, Chevalier B, Barbato E, Tonino P, Hildick-Smith D, Roffi M, Kornowski R, Schultz C, Lesiak M, Iñiguez A, Colombo A, Alasnag M, Mullasari A, James S, Stankovic G, Ong PJ, Rodriguez AE, Mahfoud F, Bartunek J, Moschovitis A, Laanmets P, Leonardi S, Heg D, Sunnåker M, Valgimigli M. Design and rationale of the Management of High Bleeding Risk Patients Post Bioresorbable Polymer Coated Stent Implantation With an Abbreviated Versus Standard DAPT Regimen (MASTER DAPT) Study. Am Heart J 2019; 209:97-105. [PMID: 30703644 DOI: 10.1016/j.ahj.2018.10.009] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 10/28/2018] [Indexed: 12/22/2022]
Abstract
BACKGROUND The optimal duration of antiplatelet therapy in high-bleeding risk (HBR) patients with coronary artery disease treated with newer-generation drug-eluting bioresorbable polymer-coated stents remains unclear. DESIGN MASTER DAPT (clinicaltrial.govNCT03023020) is an investigator-initiated, open-label, multicenter, randomized controlled trial comparing an abbreviated versus a standard duration of antiplatelet therapy after bioresorbable polymer-coated Ultimaster (TANSEI) sirolimus-eluting stent implantation in approximately 4,300 HBR patients recruited from ≥100 interventional cardiology centers globally. After a mandatory 30-day dual-antiplatelet therapy (DAPT) run-in phase, patients are randomized to (a) a single antiplatelet regimen until study completion or up to 5 months in patients with clinically indicated oral anticoagulation (experimental 1-month DAPT group) or (b) continue DAPT for at least 5 months in patients without or 2 in patients with concomitant indication to oral anticoagulation, followed by a single antiplatelet regimen (standard antiplatelet regimen). With a final sample size of 4,300 patients, this study is powered to assess the noninferiority of the abbreviated antiplatelet regimen with respect to the net adverse clinical and major adverse cardiac and cerebral events composite end points and if satisfied for the superiority of abbreviated as compared to standard antiplatelet therapy duration in terms of major or clinically relevant nonmajor bleeding. Study end points will be adjudicated by a blinded Clinical Events Committee. CONCLUSIONS The MASTER DAPT study is the first randomized controlled trial aiming at ascertaining the optimal duration of antiplatelet therapy in HBR patients treated with sirolimus-eluting bioresorbable polymer-coated stent implantation.
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Maeremans J, Cottens D, Azzalini L, Pereira B, Godino C, Carlino M, Colombo A, Frambach P, Bellini B, Candilio L, Briguori C, Pierri A, Lamers S, Roux L, Duponselle J, Vrolix M, Dens J. Outcomes of the amphilimus-eluting polymer-free stent for chronic total occlusion treatment: a multicentre experience. J Cardiovasc Med (Hagerstown) 2019; 19:564-570. [PMID: 30124545 DOI: 10.2459/jcm.0000000000000704] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AIMS Late stent thrombosis and delayed vessel wall healing remain an important issue in coronary vessels treated with drug-eluting stents (DES), especially when long-vessel segments need to be covered, like in chronic total occlusions (CTO). Avoiding polymer use to avoid chronic inflammatory responses is a potential solution to reduce target vessel failure (TVF). We aimed to validate the clinical safety and efficacy at 1 year of the polymer-free Cre8 DES vs. nonpolymer-free DES for the percutaneous treatment of CTO. METHODS Between September 2011 and August 2016, patients were prospectively enrolled in three CTO centres. The primary endpoint was major adverse cardiac and cerebrovascular events (MACCE), including cardiac death, any myocardial infarction, stent thrombosis, TVF and target vessel revascularization. RESULTS A total of 102 Cre8 and 133 non-Cre8 patients were enrolled. At 1 year, a low cumulative MACCE was observed in the Cre8 group (6.9%, respectively). Moreover, a numerical trend towards better MACCE was observed in the Cre8 group vs. the non-Cre8 group (6.9 vs. 14.3%; P = 0.065). The clinically driven TVF rate was not statistically different between Cre8 and non-Cre8 patients (6.9 vs. 9.8%; P = 0.373). A borderline significant difference regarding mortality was observed in favour of Cre8 patients (0 vs. 3.8%; P = 0.049). CONCLUSION Low rates of MACCE and TVF up to 1 year were observed in the Cre8 group, supportive of the use of polymer-free DES for lesions with high complexity.
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Affiliation(s)
- Joren Maeremans
- Department of Cardiology, Ziekenhuis Oost-Limburg, Genk.,Faculty of Medicine and Life Sciences, Universiteit Hasselt, Hasselt, Belgium
| | - Daan Cottens
- Department of Cardiology, Ziekenhuis Oost-Limburg, Genk
| | - Lorenzo Azzalini
- Interventional Cardiology Unit, Cardio-Thoracic-Vascular Department, San Raffaele Scientific Institute, Milan, Italy
| | - Bruno Pereira
- Department of Cardiology, Institut de Chirurgie Cardiaque et de Cardiologie Interventionelle, Luxembourg, Luxembourg
| | - Cosmo Godino
- Interventional Cardiology Unit, Cardio-Thoracic-Vascular Department, San Raffaele Scientific Institute, Milan, Italy
| | - Mauro Carlino
- Interventional Cardiology Unit, Cardio-Thoracic-Vascular Department, San Raffaele Scientific Institute, Milan, Italy
| | - Antonio Colombo
- Interventional Cardiology Unit, Cardio-Thoracic-Vascular Department, San Raffaele Scientific Institute, Milan, Italy
| | - Peter Frambach
- Department of Cardiology, Institut de Chirurgie Cardiaque et de Cardiologie Interventionelle, Luxembourg, Luxembourg
| | - Barbara Bellini
- Interventional Cardiology Unit, Cardio-Thoracic-Vascular Department, San Raffaele Scientific Institute, Milan, Italy
| | - Luciano Candilio
- Interventional Cardiology Unit, Cardio-Thoracic-Vascular Department, San Raffaele Scientific Institute, Milan, Italy
| | - Carlo Briguori
- Department of Cardiology, Clinica Mediterranea, Naples, Italy
| | - Adele Pierri
- Department of Cardiology, Clinica Mediterranea, Naples, Italy
| | - Scott Lamers
- Faculty of Medicine and Health Sciences - Universiteit Antwerpen, Antwerp, Belgium
| | - Lien Roux
- Faculty of Medicine and Life Sciences, Universiteit Hasselt, Hasselt, Belgium
| | - Jolien Duponselle
- Faculty of Medicine and Life Sciences, Universiteit Hasselt, Hasselt, Belgium
| | | | - Jo Dens
- Department of Cardiology, Ziekenhuis Oost-Limburg, Genk.,Faculty of Medicine and Life Sciences, Universiteit Hasselt, Hasselt, Belgium
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63
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Secemsky EA, Kandzari DE. Entering a Polymer-Free Era. Circ Cardiovasc Interv 2019; 12:e007676. [PMID: 30767662 DOI: 10.1161/circinterventions.118.007676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Eric A Secemsky
- Department of Medicine, Smith Center for Outcomes Research in Cardiology (E.A.S.) and Division of Cardiology, Department of Medicine (E.A.S.), Beth Israel Deaconess Medical Center, Boston, MA.,Harvard Medical School, Boston, MA (E.A.S.)
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Chiarito M, Sardella G, Colombo A, Briguori C, Testa L, Bedogni F, Fabbiocchi F, Paggi A, Palloshi A, Tamburino C, Margonato A, Pivato CA, Baber U, Calcagno S, Giordano A, Godino C, Stefanini GG. Safety and Efficacy of Polymer-Free Drug-Eluting Stents. Circ Cardiovasc Interv 2019; 12:e007311. [DOI: 10.1161/circinterventions.118.007311] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Mauro Chiarito
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele-Milan, Italy (M.C., C.A.P., G.G.S.)
- Humanitas Clinical and Research Center IRCCS - Rozzano, Milan, Italy (M.C., C.A.P., G.G.S.)
| | - Gennaro Sardella
- Department of Cardiovascular Sciences, Policlinico Umberto I, Sapienza University of Rome, Italy (G.S., S.C.)
| | | | | | - Luca Testa
- Department of Cardiology, IRCCS Policlinico San Donato, San Donato Milanese-Milan, Italy (L.T., F.B.)
| | - Francesco Bedogni
- Department of Cardiology, IRCCS Policlinico San Donato, San Donato Milanese-Milan, Italy (L.T., F.B.)
| | | | - Anita Paggi
- Department of Interventional Cardiology, Sant’Anna Hospital Como (A. Paggi.)
| | - Altin Palloshi
- Interventional Cardiovascular Unit, Cardiology Department, Istituto Clinico Città Studi, Milan, Italy (A. Palloshi)
| | - Corrado Tamburino
- U.O.C. Cardiologia, C.A.S.T. Centro Alte Specialità e Trapianti, P.O. G. Rodolico, A.O.U. Policlinico-V. Emanuele, Università di Catania, Italy (C.T.)
| | | | - Carlo Andrea Pivato
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele-Milan, Italy (M.C., C.A.P., G.G.S.)
- Humanitas Clinical and Research Center IRCCS - Rozzano, Milan, Italy (M.C., C.A.P., G.G.S.)
- San Raffaele Hospital, Milan, Italy (A.M., C.A.P., C.G.)
| | - Usman Baber
- Zena and Michael Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY (U.B.)
| | - Simone Calcagno
- Department of Cardiovascular Sciences, Policlinico Umberto I, Sapienza University of Rome, Italy (G.S., S.C.)
| | | | - Cosmo Godino
- San Raffaele Hospital, Milan, Italy (A.M., C.A.P., C.G.)
| | - Giulio G. Stefanini
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele-Milan, Italy (M.C., C.A.P., G.G.S.)
- Humanitas Clinical and Research Center IRCCS - Rozzano, Milan, Italy (M.C., C.A.P., G.G.S.)
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Nakatsuma K, Shiomi H, Morimoto T, Watanabe H, Nakagawa Y, Furukawa Y, Kadota K, Ando K, Ono K, Shizuta S, Kimura T. Influence of a history of cancer on long-term cardiovascular outcomes after coronary stent implantation (an Observation from Coronary Revascularization Demonstrating Outcome Study-Kyoto Registry Cohort-2). EUROPEAN HEART JOURNAL. QUALITY OF CARE & CLINICAL OUTCOMES 2019; 4:200-207. [PMID: 29897437 DOI: 10.1093/ehjqcco/qcy014] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Accepted: 04/19/2018] [Indexed: 12/14/2022]
Abstract
Aims To evaluate the influence of a history of cancer on clinical outcomes in coronary artery disease (CAD) patients who underwent percutaneous coronary intervention (PCI). Methods and results In the Coronary REvascularization Demonstrating Outcome Study in Kyoto (CREDO-Kyoto) PCI/coronary artery bypass grafting (CABG) Registry Cohort-2, there were 12 180 CAD patients who received PCI with stents. There were 1109 patients with a history of cancer (cancer group) and 11 071 patients without cancer (non-cancer group). The cumulative 5-year incidences of cardiac death and heart failure (HF) hospitalization were significantly higher in the cancer group than in the non-cancer group (12.4% vs. 7.5%, P < 0.001 and 12.1% vs. 7.6%, P < 0.001, respectively). Even after adjusting for confounders, the excess risk of the cancer group relative to non-cancer group for cardiac death and HF hospitalization remained significant [hazard ratio (HR) 1.27, 95% confidence interval (95% CI) 1.05-1.53; P = 0.02, and HR 1.39, 95% CI 1.13-1.68; P = 0.002, respectively]. Also, the cancer group had a trend toward higher adjusted risk for definite or probable stent thrombosis as compared with the non-cancer group (HR 1.49, 95% CI 0.99-2.16; P = 0.055). The cancer group had significantly higher adjusted risk for all-cause death, non-cardiac death, major bleeding, and non-CABG surgery than the non-cancer group, while the risks for myocardial infarction and stroke were neutral between the two groups. Conclusion Patients with a history of cancer at the time of PCI had increased risk for cardiac events such as cardiac death and HF hospitalization as well as non-cardiac events such as non-cardiac death, major bleeding, and non-CABG surgery.
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Affiliation(s)
- Kenji Nakatsuma
- Department of Cardiology, Mitsubishi Kyoto Hospital, 1 Gosho-cho, Nishikyo-ku, Kyoto, Japan
| | - Hiroki Shiomi
- Department of Cardiovascular Medicine, Kyoto University Graduate School of Medicine, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, Japan
| | - Takeshi Morimoto
- Department of Clinical Epidemiology, Hyogo College of Medicine, 1-1 Mukogawa-cho, Nishinomiya, Hyogo, Japan
| | - Hirotoshi Watanabe
- Department of Cardiovascular Medicine, Kyoto University Graduate School of Medicine, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, Japan
| | - Yoshihisa Nakagawa
- Division of Cardiology, Tenri Hospital, 200 Mishima-cho, Tenri, Nara, Japan
| | - Yutaka Furukawa
- Division of Cardiology, Kobe City Medical Center General Hospital, 1-1, 2 Minatoshimaminami-cho, Chuou-ku, Kobe, Hyogo, Japan
| | - Kazushige Kadota
- Division of Cardiology, Kurashiki Central Hospital, 1-1-1 Miwa, Kurashiki, Okayama, Japan
| | - Kenji Ando
- Division of Cardiology, Kokura Memorial Hospital, 2-1, 3 Asano, Kokurakita-ku, Kitakyushu, Fukuoka, Japan
| | - Koh Ono
- Department of Cardiovascular Medicine, Kyoto University Graduate School of Medicine, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, Japan
| | - Satoshi Shizuta
- Department of Cardiovascular Medicine, Kyoto University Graduate School of Medicine, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, Japan
| | - Takeshi Kimura
- Department of Cardiovascular Medicine, Kyoto University Graduate School of Medicine, 54 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, Japan
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Dudek D, Dziewierz A, Stone G, Wijns W. The year in cardiology 2018: coronary interventions. Eur Heart J 2019; 40:195-203. [PMID: 30601991 PMCID: PMC6321963 DOI: 10.1093/eurheartj/ehy882] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 12/04/2018] [Accepted: 12/27/2018] [Indexed: 02/06/2023] Open
Affiliation(s)
- Dariusz Dudek
- Institute of Cardiology, Jagiellonian University Medical College, 17 Kopernika Street, Krakow, Poland
| | - Artur Dziewierz
- 2nd Department of Cardiology, Jagiellonian University Medical College, Krakow, Poland
| | - Gregg Stone
- New York Presbyterian Hospital and Columbia University Medical Center, New York, NY, USA
- The Cardiovascular Research Foundation, New York, NY, USA
| | - William Wijns
- The Lambe Institute for Translational Medicine and Curam, Saolta University Healthcare Group, National University of Ireland Galway, Galway, Ireland
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67
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Wu JJ, Way JAH, Kritharides L, Brieger D. Polymer-free versus durable polymer drug-eluting stents in patients with coronary artery disease: A meta-analysis. Ann Med Surg (Lond) 2018; 38:13-21. [PMID: 30581571 PMCID: PMC6302254 DOI: 10.1016/j.amsu.2018.12.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 11/29/2018] [Accepted: 12/04/2018] [Indexed: 11/29/2022] Open
Abstract
Background Polymer-free drug-eluting stents (PF-DES) were introduced with the aim of reducing the risk of stent thrombosis associated with durable polymer drug-eluting stents (DP-DES). The comparison of safety and efficacy profiles between these two stent platforms remains unclear. Materials and methods We conducted electronic database searches for randomized controlled trials (RCTs) comparing patients treated with either PF-DES or DP-DES. Outcomes included definite or probable stent thrombosis (ST), myocardial infarction (MI), cardiac death, all-cause death, target lesion revascularization (TLR), and target vessel revascularization (TVR). A random-effects model was used to derive risk ratios (RRs) with 95% confidence intervals (CIs). Subgroup analyses based on different variables were also performed. After screening a total of 1026 articles, the present meta-analysis included 13 RCTs comprising 8021 patients. Results No significant differences were found for the risks of definite or probable ST (RR, 0.94; 95% CI, 0.62–1.43; P = 0.77), MI (RR, 1.06; 95% CI, 0.85–1.33; P = 0.61), cardiac death (RR, 0.98; 95% CI, 0.80–1.21; P = 0.88), all-cause death (RR, 0.87; 95% CI, 0.76–1.00; P = 0.06), TLR (RR, 1.12; 95% CI, 0.94–1.33; P = 0.22), and TVR (RR, 1.18; 95% CI, 0.87–1.61; P = 0.29). Similarly, no significant differences were found for all outcomes regardless of anti-proliferative drug, except for an increased risk of TLR for polymer-free paclitaxel-eluting stents compared with DP-DES (RR, 2.32, 95% CI, 1.30–4.14; P = 0.005). Conclusions Our findings showed that PF-DES and DP-DES confer equivalent safety and efficacy profiles, with similar rates of stent thrombosis. Polymer-free and durable polymer drug-eluting stents confer similar safety and efficacy profiles. There were comparable rates of stent thrombosis between the two stent platforms. Further trials with greater length of follow-up are warranted to assess long-term safety and efficacy outcomes.
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Affiliation(s)
- James J Wu
- Sydney Medical School, The University of Sydney, Camperdown, Australia.,Department of Cardiology, Concord Repatriation General Hospital, Concord, Australia
| | - Joshua A H Way
- Sydney Medical School, The University of Sydney, Camperdown, Australia
| | - Leonard Kritharides
- Sydney Medical School, The University of Sydney, Camperdown, Australia.,Department of Cardiology, Concord Repatriation General Hospital, Concord, Australia
| | - David Brieger
- Sydney Medical School, The University of Sydney, Camperdown, Australia.,Department of Cardiology, Concord Repatriation General Hospital, Concord, Australia
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68
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Kinnaird T, Abdul F, Hailan A, Sheikh A, Hinton J, Yazji K, Elangovan S, Yousef A, Gallagher S, Choudhury A, Anderson R, O'Kane P, Smith D. Twelve-month outcomes of patients unsuitable for prolonged DAPT presenting with an acute coronary syndrome and treated with polymer-free biolimus A9 drug-coated stents. Catheter Cardiovasc Interv 2018; 92:1220-1228. [PMID: 30244504 DOI: 10.1002/ccd.27722] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 04/26/2018] [Accepted: 06/10/2018] [Indexed: 11/08/2022]
Abstract
INTRODUCTION Prolonged dual anti-platelet therapy (DAPT) is undesirable in certain patients. The biolimus-A9 drug-coated stent (BA9-DCS) has a rapid drug-elution profile allowing shortened DAPT. METHODS The demographics, procedural data, and clinical outcomes for 505 patients presenting with an ACS to three UK centres and treated with a BA9-DCS stent (PCI-DCS) were collected, and compared to a consecutive ACS cohort of unselected patients treated in the same period with drug-eluting stents (PCI-DES). RESULTS PCI-DCS patients were older, more often female with hypertension, chronic kidney disease, severe LV dysfunction, and peripheral vascular disease more frequent than the PCI-DES cohort. PCI-DCS patients had a much higher Mehran bleed risk score (21.5 ± 7.7 vs. 15.9 ± 7.7, P < 0.0001). Baseline disease burden was greater in the PCI-DCS cohort with more left main and three vessel disease. During PCI, more stents (1.91 ± 1.1 vs. 1.57 ± 0.94, P < 0.0001), total stent length (38.2 ± 20.8 vs. 31.4 ± 20.3, P < 0.0001) and longer stents (38.2 ± 20.8 vs. 31.4 ± 20.3 mm, P < 0.0001) were used in the PCI-DCS cohort with rotational atherectomy also used more frequently. Physician-recommended DAPT duration was 2.9 ± 3.9 months for PCI-DCS patients and 11.3 ± 2.4 months for PCI-DES patients (P < 0.0001). At 12-month follow-up, definite stent thrombosis (0.6% vs. 1.1%) and TLR (3.2% vs. 2.7%) rates were similar between the two groups. After adjustment for baseline differences, there were no statistically significant differences in death and combined MACE rates at 12 months. CONCLUSIONS The outcomes of patients treated with polymer-free BA9 drug-coated stent who present with an ACS and who were deemed unsuitable for prolonged DAPT are encouraging. Further studies are warranted.
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Affiliation(s)
- Tim Kinnaird
- Department of Cardiology, University Hospital of Wales, Cardiff, United Kingdom
| | - Fairoz Abdul
- Department of Cardiology, University Hospital of Wales, Cardiff, United Kingdom
| | - Ahmed Hailan
- Department of Cardiology Morriston Cardiac Centre, Swansea, United Kingdom
| | - Azeem Sheikh
- Department of Cardiology Morriston Cardiac Centre, Swansea, United Kingdom
| | - Jonathan Hinton
- Department of Cardiology, Royal Bournemouth Hospital, Bournemouth, United Kingdom
| | - Khaled Yazji
- Department of Cardiology, University Hospital of Wales, Cardiff, United Kingdom
| | - Senthil Elangovan
- Department of Cardiology, University Hospital of Wales, Cardiff, United Kingdom
| | - Adnan Yousef
- Department of Cardiology Morriston Cardiac Centre, Swansea, United Kingdom
| | - Sean Gallagher
- Department of Cardiology, University Hospital of Wales, Cardiff, United Kingdom
| | - Anirban Choudhury
- Department of Cardiology, University Hospital of Wales, Cardiff, United Kingdom
| | - Richard Anderson
- Department of Cardiology, University Hospital of Wales, Cardiff, United Kingdom
| | - Peter O'Kane
- Department of Cardiology, Royal Bournemouth Hospital, Bournemouth, United Kingdom
| | - David Smith
- Department of Cardiology Morriston Cardiac Centre, Swansea, United Kingdom
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Abstract
Cardiovascular complications are leading causes of most fatalities. Coronary artery disease and surgical failures contribute to the death of the majority of patients. Advanced research in the field of medical devices like stents has efficiently resolved these problems. Clinically, drug-eluting stents have proven their efficacy and safety compared to bare metal stents, which have problems of in-stent restenosis. However, drug-loaded stents coated with polymers have shown adverse effects related to the stability and deterioration of the polymer coating over time. This results in late stent thrombosis and immunogenicity. These reasons laid the foundation for the development of non-polymeric drug-eluting stents. This review focuses on non-polymer drug-eluting stents loaded with different drugs like anti-inflammatory agents, anti-thrombotic, anti-platelet agents, immune suppressants and others. Surface modification techniques on stents like crystalline coating; microporous, macroporous, and nanoporous coatings; and chemically modified self-assembled monolayers are described in detail. There is also an update on clinically approved products and those under development.
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Affiliation(s)
- Nagavendra Kommineni
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, 500037, India
| | - Raju Saka
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, 500037, India
| | - Wahid Khan
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research (NIPER), Hyderabad, 500037, India.
| | - Abraham J Domb
- School of Pharmacy-Faculty of Medicine, The Hebrew University of Jerusalem, 91120, Jerusalem, Israel.
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Affiliation(s)
- Dean J Kereiakes
- The Christ Hospital Heart and Vascular Center, The Carl and Edyth Lindner Center for Research and Education at The Christ Hospital, Cincinnati, Ohio
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71
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Chiarito M, Cao D, Cannata F, Panico C, Reimers B, Stefanini GG. The Synergy stent in high-bleeding risk patients: why design matters. Minerva Cardioangiol 2018; 66:646-658. [DOI: 10.23736/s0026-4725.18.04673-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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72
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Ganatra S, Sharma A, Levy MS. Re-Evaluating the Safety of Drug-Eluting Stents in Cancer Patients. JACC Cardiovasc Interv 2018; 10:2334-2337. [PMID: 29169502 DOI: 10.1016/j.jcin.2017.06.068] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 06/15/2017] [Accepted: 06/20/2017] [Indexed: 11/29/2022]
Abstract
Evidence increasingly shows that cancer and coronary artery disease are interlinked through common risk factors, co-occurrence in an aging population, and through the deleterious effects of cancer treatment on cardiovascular health. Many of the clinical risk factors for cancer, such as diabetes, smoking, and chronic inflammatory state, are also risk factors for coronary artery disease and for stent restenosis and thrombosis. The current generations of drug-eluting stents have been proven to reduce the risk of restenosis and stent thrombosis as compared with bare-metal stents. However, because of the perceived need for shorter course of dual antiplatelet treatment, operators often prefer bare-metal stents in patients with cancer out of concern for increased bleeding risk and expectant need for cancer-directed surgery. The current evidence with newer-generation stent technology demonstrates the feasibility of shorter duration of dual antiplatelet treatment, without increasing the risk of stent thrombosis and bleeding, while maintaining improved efficacy compared with bare-metal stents. Cardiovascular disease in patients with cancer is complex, and treatment needs to be individualized. Refraining from the use of drug-eluting stents altogether in this rapidly expanding cohort may lead to higher major adverse cardiovascular events, which can thwart the effectiveness of advances in both cancer and cardiovascular therapeutics. Considering the developing evidence thus far, perhaps it is time to rethink the choice of stent in patients with cancer who undergo percutaneous coronary intervention.
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Affiliation(s)
- Sarju Ganatra
- Department of Cardiovascular Medicine, Lahey Hospital & Medical Center, Burlington, Massachusetts; Cancer Survivorship Program, Lahey Hospital and Medical Center, Burlington, Massachusetts.
| | - Ajay Sharma
- Department of Cardiovascular Medicine, Lahey Hospital & Medical Center, Burlington, Massachusetts
| | - Michael S Levy
- Department of Cardiovascular Medicine, Lahey Hospital & Medical Center, Burlington, Massachusetts
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Lip GYH, Collet JP, Haude M, Byrne R, Chung EH, Fauchier L, Halvorsen S, Lau D, Lopez-Cabanillas N, Lettino M, Marin F, Obel I, Rubboli A, Storey RF, Valgimigli M, Huber K, Potpara T, Blomström Lundqvist C, Crijns H, Steffel J, Heidbüchel H, Stankovic G, Airaksinen J, Ten Berg JM, Capodanno D, James S, Bueno H, Morais J, Sibbing D, Rocca B, Hsieh MH, Akoum N, Lockwood DJ, Gomez Flores JR, Jardine R. 2018 Joint European consensus document on the management of antithrombotic therapy in atrial fibrillation patients presenting with acute coronary syndrome and/or undergoing percutaneous cardiovascular interventions: a joint consensus document of the European Heart Rhythm Association (EHRA), European Society of Cardiology Working Group on Thrombosis, European Association of Percutaneous Cardiovascular Interventions (EAPCI), and European Association of Acute Cardiac Care (ACCA) endorsed by the Heart Rhythm Society (HRS), Asia-Pacific Heart Rhythm Society (APHRS), Latin America Heart Rhythm Society (LAHRS), and Cardiac Arrhythmia Society of Southern Africa (CASSA). Europace 2018; 21:192-193. [DOI: 10.1093/europace/euy174] [Citation(s) in RCA: 180] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 06/28/2018] [Indexed: 02/06/2023] Open
Affiliation(s)
- Gregory Y H Lip
- Institute of Cardiovascular Sciences, University of Birmingham, UK
- Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK
- Department of Clinical Medicine, Aalborg Thrombosis Research Unit, Aalborg University, Aalborg, Denmark
| | - Jean-Phillippe Collet
- Sorbonne Université Paris 6, ACTION Study Group (www.action-coeur.org), Institut de Cardiologie Hôpital Pitié-Salpêtrière (APHP), INSERM UMRS, Paris, France
| | - Michael Haude
- Städtische Kliniken Neuss Lukaskrankenhaus Gmbh Kardiologie, Nephrologie, Pneumologie, Neuss, Germany
| | - Robert Byrne
- Deutsches Herzzentrum Muenchen, Munich, Germany
- DZHK (German Centre for Cardiovascular Research), partner site Munich Heart Alliance, Munich, Germany
| | - Eugene H Chung
- University of North Carolina at Chapel Hill, Medicine, Cardiology, Electrophysiology, Chapel Hill, NC, USA
| | - Laurent Fauchier
- Centre Hospitalier Universitaire Trousseau et Faculté de Médecine—Université François Rabelais, Tours, France
| | - Sigrun Halvorsen
- Department of Cardiology, Oslo University Hospital Ulleval, and Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Dennis Lau
- Centre for Heart Rhythm Disorders, South Australian Health and Medical Research Institute, University of Adelaide and Royal Adelaide Hospital, Adelaide, Australia
| | | | - Maddalena Lettino
- Cardiology Department, Humanitas Research Hospital, Rozzano, MI, Italy
| | - Francisco Marin
- Department of Cardiology, Hospital Universitario Virgen de la Arrixaca, Murcia, Spain
| | - Israel Obel
- Milpark Hospital, Cardiology Unit, Johannesburg, South Africa
| | - Andrea Rubboli
- Division of Cardiology, Laboratory of Interventional Cardiology, Ospedale Maggiore, Bologna, Italy
| | - Robert F Storey
- Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield, UK
| | | | - Kurt Huber
- 3rd Department of Medicine, Cardiology and Intensive Care Medicine, Wilhelminenhospital Vienna, Vienna, Austria
| | - Tatjana Potpara
- School of Medicine, Belgrade University, Cardiology Clinic, Clinical Centre of Serbia, Belgrade, Serbia
| | | | - Harry Crijns
- Cardiology Department, Maastricht UMC+, Maastricht, Netherlands
| | - Jan Steffel
- University Heart Center Zurich, Zurich, Switzerland
| | - Hein Heidbüchel
- Antwerp University and University Hospital, Antwerp, Belgium
| | - Goran Stankovic
- Department of Cardiology, Clinical Center of Serbia, Belgrade, Serbia
| | - Juhani Airaksinen
- Turku University Hospital, Cardiology, Department of Internal Medicine, Turku, Finland
| | | | - Davide Capodanno
- Ferrarotto Hospital, Azienda Ospedaliero-Univ, Policlinico-Vittorio Emanuele, University of Catania, Cardiologia Department, University of Catania, Catania, Italy
| | - Stefan James
- Department of Medical Sciences and Uppsala Clinical Research Center, Uppsala University, Senior Interventional Cardiologist, Uppsala University Hospital, Uppsala, Sweden
| | - Hector Bueno
- Centro Nacional de Investigaciones Cardiovasculares (CNIC), Melchor Fernandez Almagro, Madrid, Spain
- Department of Cardiology, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Joao Morais
- Department of Cardiology, Leiria Hospital Centre, Portugal
| | - Dirk Sibbing
- Oberarzt, Medizinische Klinik und Poliklinik I, Ludwig-Maximilians-Universität (LMU), Campus Großhadern, München, Germany
| | - Bianca Rocca
- Department of Pharmacology, Catholic University School of Medicine, Rome, Italy
| | | | - Nazem Akoum
- Cardiology Department, University of Washington, Seattle, USA
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Lipiecki J, Brunel P, Morice MC, Roguelov C, Walsh SJ, Richardt G, Eerdmans P, Zambahari R, Berland J, Copt S, Stoll HP, Urban P. Biolimus A9 polymer-free coated stents in high bleeding risk patients undergoing complex PCI: evidence from the LEADERS FREE randomised clinical trial. EUROINTERVENTION 2018; 14:e418-e425. [DOI: 10.4244/eij-d-18-00293] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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75
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Polymer-free drug-coated coronary stents in diabetic patients at high bleeding risk: a pre-specified sub-study of the LEADERS FREE trial. Clin Res Cardiol 2018; 108:31-38. [DOI: 10.1007/s00392-018-1308-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 06/15/2018] [Indexed: 10/28/2022]
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76
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Kim K, Kim C, Kim BK, Jang JY, Her AY, Kim S, Hong SJ, Ahn CM, Kim JS, Ko YG, Choi D, Hong MK, Jang Y. Effects of Coronary Artery Revascularization with a Polymer-Free Biolimus A9-Coated BioFreedom Stent Versus Bypass Surgery before Noncardiac Surgery. Yonsei Med J 2018; 59:480-488. [PMID: 29749130 PMCID: PMC5949289 DOI: 10.3349/ymj.2018.59.4.480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Revised: 01/08/2018] [Accepted: 02/22/2018] [Indexed: 11/27/2022] Open
Abstract
PURPOSE The present study aimed to evaluate the efficacy and safety of polymer-free drug-coated BioFreedom stent implantation in comparison to coronary artery bypass graft (CABG) before major noncardiac surgery. MATERIALS AND METHODS In a multicenter registry, 55 patients required revascularization before major noncardiac surgery that should not be delayed >6 months. Of them, 27 underwent BioFreedom stent implantation and 28 underwent CABG. Primary outcomes included rate of noncardiac surgery, time from revascularization to noncardiac surgery, and occurrence of composite outcomes (all-cause death, myocardial infarction, stent thrombosis, stroke, repeat revascularization, or major bleeding). RESULTS The rate of major noncardiac surgery was significantly higher in the BioFreedom group (92.6%) than in the CABG group (64.3%; p=0.027). Time from revascularization to noncardiac surgery was significantly shorter in the BioFreedom group (38.0 days) than in the CABG group (73.0 days; p=0.042). During the hospitalization for revascularization period, the occurrence of primary outcomes did not differ between the groups. However, the BioFreedom group showed a shorter hospitalization period and lower total treatment cost than the CABG group. During the hospital stay for noncardiac surgery, the occurrence of composite outcome was not significantly different between groups (4% vs. 0%; p>0.999): stroke occurred in only 1 case, and there were no cases of death or stent thrombosis in the BioFreedom group. CONCLUSION This study demonstrated that BioFreedom stenting as a revascularization strategy before major noncardiac surgery might be feasible and safe in selected patients with less severe coronary artery diseases.
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Affiliation(s)
- Kyu Kim
- Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Choongki Kim
- Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Byeong Keuk Kim
- Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea.
| | - Ji Yong Jang
- Division of Cardiology, Department of Internal Medicine, Konkuk University Chungju Hospital, Chungju, Korea
| | - Ae Young Her
- Division of Cardiology, Department of Internal Medicine, Kangwon National University School of Medicine, Chuncheon, Korea
| | - Seunghwan Kim
- Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Sung Jin Hong
- Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Chul Min Ahn
- Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Jung Sun Kim
- Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Young Guk Ko
- Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Donghoon Choi
- Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Myeong Ki Hong
- Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Yangsoo Jang
- Division of Cardiology, Severance Cardiovascular Hospital, Yonsei University College of Medicine, Seoul, Korea
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77
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Affiliation(s)
- Kengo Tanabe
- Division of Cardiology, Mitsui Memorial Hospital
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78
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Konishi A, Ho M, Shirai Y, Shirato H. First Approval of Improved Medical Device Conditional on Use-Result Survey in Japan ― Regulatory Review of Polymer-Free Drug-Coated BioFreedom Coronary Stent ―. Circ J 2018; 82:1487-1490. [DOI: 10.1253/circj.cj-17-1425] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Akihide Konishi
- Office of Medical Device III, Pharmaceuticals and Medical Devices Agency
| | - Mami Ho
- Office of Medical Device III, Pharmaceuticals and Medical Devices Agency
| | - Yuko Shirai
- Office of Medical Device III, Pharmaceuticals and Medical Devices Agency
| | - Haruki Shirato
- Office of Medical Device III, Pharmaceuticals and Medical Devices Agency
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79
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Mori H, Jinnouchi H, Diljon C, Torii S, Sakamoto A, Kolodgie FD, Virmani R, Finn AV. A new category stent with novel polyphosphazene surface modification. Future Cardiol 2018; 14:225-235. [DOI: 10.2217/fca-2017-0103] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
The COBRA-PzF™ (CeloNova BioSciences, Inc., TX, USA) is a new type of coronary stent composed of a cobalt chromium metallic backbone surrounded by a nanothin layer of Polyzene-F (PzF) without any added drug. Evidence from basic studies supports antithrombotic and anti-inflammatory properties for the PzF surface coating. Preclinical studies support the thromboresistance of PzF-coated surfaces and clinical studies have shown good outcomes for patients receiving this device with very low rates of stent thrombosis. COBRA-PzF may be especially useful in patients at high risk for bleeding. Ongoing clinical trials will determine whether shortening the duration of dual antiplatelet therapy to less than 1 month is feasible and these data may represent a new paradigm with regards to patients at high risk for bleeding.
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Affiliation(s)
| | | | - Chahal Diljon
- University of Maryland, School of Medicine, Baltimore, MD 21201, USA
| | - Sho Torii
- CVPath Institute, Gaithersburg, MD 20878, USA
| | | | | | | | - Aloke V Finn
- CVPath Institute, Gaithersburg, MD 20878, USA
- University of Maryland, School of Medicine, Baltimore, MD 21201, USA
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80
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Modolo R, Miyazaki Y, Chichareon P, Asano T, Collet C, Tenekecioglu E, Katagiri Y, Soliman O, Garg S, Onuma Y, Serruys PW. Interventional cardiology: review of the year 2017. EUROINTERVENTION 2018; 13:2083-2096. [PMID: 29437035 DOI: 10.4244/eij-d-18-00066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Rodrigo Modolo
- Department of Cardiology, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
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81
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Pareek M, Bhatt DL. Dual antiplatelet therapy in patients with an acute coronary syndrome: up to 12 months and beyond. Eur Heart J Suppl 2018. [DOI: 10.1093/eurheartj/sux042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Manan Pareek
- Brigham and Women’s Hospital Heart & Vascular Center, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
- Cardiology Section, Department of Internal Medicine, Holbaek Hospital, Smedelundsgade 60, 4300 Holbaek, Denmark
| | - Deepak L Bhatt
- Brigham and Women’s Hospital Heart & Vascular Center, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA
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82
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Baquet M, Jochheim D, Mehilli J. Polymer-free drug-eluting stents for coronary artery disease. J Interv Cardiol 2018; 31:330-337. [DOI: 10.1111/joic.12499] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Revised: 12/30/2017] [Accepted: 01/04/2018] [Indexed: 11/29/2022] Open
Affiliation(s)
- Moritz Baquet
- Department of Cardiology; Munich University Clinic; Ludwig-Maximilian University; Munich Germany
- DZHK (German Center for Cardiovascular Research); Partner Site Munich Heart Alliance; Munich Germany
| | - David Jochheim
- Department of Cardiology; Munich University Clinic; Ludwig-Maximilian University; Munich Germany
- DZHK (German Center for Cardiovascular Research); Partner Site Munich Heart Alliance; Munich Germany
| | - Julinda Mehilli
- Department of Cardiology; Munich University Clinic; Ludwig-Maximilian University; Munich Germany
- DZHK (German Center for Cardiovascular Research); Partner Site Munich Heart Alliance; Munich Germany
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83
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Vavouranakis E, Kalogeras K, Tousoulis D. Novel Developments in Interventional Strategies. Coron Artery Dis 2018. [DOI: 10.1016/b978-0-12-811908-2.00022-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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84
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Lee DH, de la Torre Hernandez JM. The Newest Generation of Drug-eluting Stents and Beyond. Eur Cardiol 2018; 13:54-59. [PMID: 30310472 DOI: 10.15420/ecr.2018:8:2] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
There has been a great evolution in the development of coronary stents in order to avoid both restenosis and thrombosis. Improvements have led to improvements in the design and conformation of metallic or resorbable structures, with an adequate balance between trackability and radial force, the development of antiproliferative drugs and the polymers to control release and allow adequate endothelialisation and an optimal duration of the antiplatelet regimen. Some suggestions are provided about the ideal characteristics of future coronary stents.
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Affiliation(s)
- Dae-Hyun Lee
- Cardiology Service, Interventional Cardiology Unit, University Hospital Marques de Valdecilla, Santander Spain
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85
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Batchelor W, Kandzari DE, Davis S, Tami L, Wang JC, Othman I, Gigliotti OS, Haghighat A, Singh S, Lopez M, Giugliano G, Horwitz PA, Chandrasekhar J, Underwood P, Thompson CA, Mehran R. Outcomes in Women and Minorities Compared With White Men 1 Year After Everolimus-Eluting Stent Implantation: Insights and Results From the PLATINUM Diversity and PROMUS Element Plus Post-Approval Study Pooled Analysis. JAMA Cardiol 2017; 2:1303-1313. [PMID: 29049508 PMCID: PMC5814993 DOI: 10.1001/jamacardio.2017.3802] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 08/30/2017] [Indexed: 01/10/2023]
Abstract
Importance There exist limited outcomes data for women and minorities after contemporary percutaneous coronary intervention (PCI). Objective To examine 1-year outcomes in women and minorities vs white men after PCI with everolimus-eluting stents. Design, Settings, and Participants The PLATINUM Diversity study was a single-arm study enrolling women and minorities. Patient-level pooling with the PROMUS Element Plus Post-Approval Study was prespecified. Data on social determinants of health and language were collected in the PLATINUM Diversity cohort, which included 1501 patients at 52 US sites. The PROMUS Element Plus Post-Approval study enrolled 2681 patients at 52 US sites with some site overlap and included an "all-comers" population. All patients were enrolled beginning in October 2014 and were followed for 12 months. Analyses began in August 2016. Interventions Patients received 1 or more everolimus-eluting stent implantation. Main Outcomes and Measures The primary end point was 1-year major adverse cardiac events (MACE), which included death/myocardial infarction (MI)/target vessel revascularization. Secondary ischemic end points were also evaluated. Results The pooled study consisted of 4182 patients: 1635 white men (39.1%), 1863 women (white and minority) (44.5%), and 1059 minority patients (women and men) (25.3%). Women and minorities had a higher prevalence of diabetes, prior stroke, hypertension, renal disease, and congestive heart failure than white men but lower rates of multivessel disease, prior coronary artery bypass graft surgery, prior MI, and smoking. Unadjusted 1-year MACE rates (white men, 7.6%; women, 8.6%; minorities, 9.6%) were similar between groups with no significant differences after risk adjustment. The adjusted risk of death/MI was higher among women (odds ratio, 1.6; 95% CI, 1.1-2.4) and minorities (odds ratio, 1.9; 95% CI, 1.2-2.8) compared with white men and the adjusted risk of MI was higher in minorities (odds ratio, 2.6; 95% CI, 1.4-4.8). These differences were driven primarily by nonstent-related MIs. Within the PLATINUM Diversity cohort, the independent predictors of MACE were cardiogenic shock, renal disease, history of peripheral vascular disease, multivessel disease, widowhood, and lack of private insurance. Conclusions and Relevance After contemporary everolimus-eluting stent implantation, women and minorities experience a similar risk of 1-year MACE but a higher adjusted risk of recurrent ischemic events primarily because of nonstent-related MIs. Both clinical and angiographic factors and social determinants of health, including widowhood and insurance status, contribute to 1-year MACE among women and minorities.
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Affiliation(s)
| | | | | | - Luis Tami
- Research Physicians Network Alliance, Hollywood, Florida
| | - John C. Wang
- MedStar Union Memorial Hospital, Baltimore, Maryland
| | - Islam Othman
- North Carolina Heart and Vascular Research, Raleigh
| | | | - Amir Haghighat
- Cardiovascular Institute of Northwest Florida, Panama City
| | | | - Mario Lopez
- Charlotte Heart and Vascular Institute, Port Charlotte, Florida
| | | | | | | | - Paul Underwood
- Boston Scientific Corporation, Marlborough, Massachusetts
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86
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Effect of Bleeding Risk on Type of Stent Used in Patients Presenting With Acute Coronary Syndrome. Am J Cardiol 2017; 120:1272-1278. [PMID: 28826893 DOI: 10.1016/j.amjcard.2017.07.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 06/26/2017] [Accepted: 07/07/2017] [Indexed: 11/22/2022]
Abstract
Patients at high bleeding risk (HBR) are at increased risk of bleeding following percutaneous coronary intervention (PCI) with drug-eluting stents (DES) due to the need for longer dual antiplatelet duration. We sought to evaluate the likelihood of receiving DES during PCI in HBR populations and to characterize DES utilization trends over time. Consecutive patients who underwent PCI from April 2003 to September 2015 were identified. HBR is defined as patients fulfilling 1 or more of the HBR criteria: age ≥75 years, anticoagulation use at discharge, history of stroke, cancer in previous 3 years, glucocorticoid use, hemoglobin (Hgb) <11 g/dl, platelet count <100,000/mm3, or creatinine clearance (CCr) <40 ml/min. Multivariate analysis was performed to identify which variables predicted DES selection. There were 10,594 patients (41.6%) who the met HBR definition. When adjusting for known risk factors, HBR patients were less likely to receive a DES compared with non-HBR patients (odds ratio [OR] 0.58, 95% confidence interval [CI] 0.54 to 0.62, p <0.001). A preprocedural Hgb <11 g/dl had the greatest association with choosing DES during PCI (OR 0.51, 95% CI 0.45 to 0.57, p <0.001). Within the HBR patients, having 3 or more HBR criteria versus <3 HBR criteria had lower likelihood of receiving a DES (OR 0.50, 95% CI 0.44 to 0.57, p <0.001). In conclusion, presence of HBR has a significant impact upon the decision to use DES.
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87
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Atrial fibrillation, bleeding, and coronary intervention: current recommendations. Coron Artery Dis 2017; 28:702-709. [PMID: 28938240 DOI: 10.1097/mca.0000000000000549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The patient population with the need for oral anticoagulation to reduce stroke risk associated with atrial fibrillation (AF) and dual antiplatelet therapy to prevent stent thrombosis and myocardial infarction after percutaneous coronary intervention is increasing. However, patients treated with a triple therapy consisting of oral anticoagulation, aspirin, and a P2Y12 inhibitor have been demonstrated to be at high bleeding risk. The best combination of these agents and the duration of the different therapies are still uncertain. Recently, data on the safety of combinations including nonvitamin K antagonists have been published and evidence for the feasibility of a dual therapy is increasing. This review aims to provide insights to the pathophysiology of thrombus formation in AF versus coronary artery disease, summarize available data on postprocedural treatment strategies, and report current guidelines for AF patients after percutaneous coronary intervention. Furthermore, the role of stent type selection and tools to evaluate as well as strategies to reduce the individual bleeding risk will be discussed.
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88
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Piccolo R, Franzone A, Windecker S. From bare metal to barely anything: an update on coronary stenting. Heart 2017; 104:533-540. [DOI: 10.1136/heartjnl-2016-310877] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
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89
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Colombo A, Giannini F, Briguori C. Should We Still Have Bare-Metal Stents Available in Our Catheterization Laboratory? J Am Coll Cardiol 2017; 70:607-619. [PMID: 28750704 DOI: 10.1016/j.jacc.2017.05.057] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 05/21/2017] [Accepted: 05/26/2017] [Indexed: 12/17/2022]
Abstract
The introduction of bare-metal stents (BMS) has represented a major advancement over plain old balloon angioplasty in the management of coronary artery disease. However, the high rates of target lesion revascularization associated with use of BMS have led to the development of drug-eluting stents, which require prolonged dual antiplatelet therapy due to the increased risk of late and very late stent thrombosis. The improvements in newer-generation drug-eluting stents have translated into better safety and efficacy compared with earlier generation and BMS, thus allowing shorter dual antiplatelet therapy duration. Here, we aim to provide reasons as to why we still need BMS in our cardiac catheterization laboratory.
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Affiliation(s)
- Antonio Colombo
- Unit of Cardiovascular Interventions, Istituto Di Ricovero e Cura a Carattere Scientifico San Raffaele Scientific Institute, Milan, Italy.
| | - Francesco Giannini
- Unit of Cardiovascular Interventions, Istituto Di Ricovero e Cura a Carattere Scientifico San Raffaele Scientific Institute, Milan, Italy
| | - Carlo Briguori
- Unit of Cardiovascular Interventions, Istituto Di Ricovero e Cura a Carattere Scientifico San Raffaele Scientific Institute, Milan, Italy
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90
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Tanguay JF, Messas N. Percutaneous Coronary Interventions in Patients Requiring Long-Term Oral Anticoagulation: Is the Drug-Coated Stent a Potential Game Changer? JACC Cardiovasc Interv 2017; 10:1643-1645. [PMID: 28838474 DOI: 10.1016/j.jcin.2017.06.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Accepted: 06/20/2017] [Indexed: 11/19/2022]
Affiliation(s)
- Jean-François Tanguay
- Department of Medicine, Montreal Heart Institute, Montréal, Québec, Canada; Faculté de Médecine, Université de Montréal, Montréal, Québec, Canada.
| | - Nathan Messas
- Department of Medicine, Montreal Heart Institute, Montréal, Québec, Canada; Pôle d'Activité Médico-Chirurgicale Cardio-Vasculaire, Nouvel Hôpital Civil, Strasbourg, France
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91
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Byrne RA, Stone GW, Ormiston J, Kastrati A. Coronary balloon angioplasty, stents, and scaffolds. Lancet 2017; 390:781-792. [PMID: 28831994 DOI: 10.1016/s0140-6736(17)31927-x] [Citation(s) in RCA: 148] [Impact Index Per Article: 21.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Revised: 06/24/2017] [Accepted: 06/28/2017] [Indexed: 01/01/2023]
Abstract
Since the first coronary angioplasty on Sept 16, 1977, the field of percutaneous coronary intervention has evolved rapidly. Now marking its 40th anniversary, percutaneous coronary intervention has become one of the most common medical procedures worldwide. Much of this progress has been due to the iteration and improvement of angioplasty technologies. Balloon angioplasty was limited by unpredictable procedural outcomes due to vessel dissection and recoil, and a high rate of restenosis. The introduction of stents resulted in more stable early results and lower rates of restenosis, although early stent thrombosis and neointimal hyperplasia causing vessel renarrowing were key limitations. Drug-eluting stents delivering antiproliferative agents significantly lowered the rates of restenosis, permitting widespread use of percutaneous coronary intervention in more advanced and complex disease. Although fully bioresorbable scaffolds have the potential to further improve long-term outcomes, they have not yet achieved results equivalent to those of conventional metallic drug-eluting stents in the early years after implantation. Progress in catheter technology did not occur in isolation, and the success of percutaneous coronary intervention is also due to important advances in intracoronary imaging, and adjunct pharmacotherapy-each of which is reviewed in other papers in this Series.
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Affiliation(s)
- Robert A Byrne
- Deutsches Herzzentrum München, Technische Universität München, Munich, Germany; Deutsches Zentrum für Herz-Kreislaufforschung (German Centre for Cardiovascular Research), Munich, Germany.
| | - Gregg W Stone
- New York Presbyterian Hospital and Columbia University Medical Center, New York, NY, USA; The Cardiovascular Research Foundation, New York, NY, USA
| | | | - Adnan Kastrati
- Deutsches Herzzentrum München, Technische Universität München, Munich, Germany; Deutsches Zentrum für Herz-Kreislaufforschung (German Centre for Cardiovascular Research), Munich, Germany
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92
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Carrié D, Menown I, Oldroyd K, Copt S, Talwar S, Maillard L, Morice MC, Teik LS, Lang I, Urban P. Safety and Efficacy of Polymer-Free Biolimus A9–Coated Versus Bare-Metal Stents in Orally Anticoagulated Patients. JACC Cardiovasc Interv 2017; 10:1633-1642. [DOI: 10.1016/j.jcin.2017.05.033] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 04/27/2017] [Accepted: 05/18/2017] [Indexed: 10/19/2022]
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93
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Gray A, McQuillan C, Menown IBA. Advances in Clinical Cardiology 2016: A Summary of the Key Clinical Trials. Adv Ther 2017; 34:1503-1527. [PMID: 28537000 PMCID: PMC5504210 DOI: 10.1007/s12325-017-0560-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Indexed: 12/19/2022]
Abstract
INTRODUCTION The findings of many new cardiology clinical trials over the last year have been published or presented at major international meetings. This paper aims to describe and place in context a summary of the key clinical trials in cardiology presented between January and December 2016. METHODS The authors reviewed clinical trials presented at major cardiology conferences during 2016 including the American College of Cardiology (ACC), European Association for Percutaneous Cardiovascular Interventions (EuroPCR), European Society of Cardiology (ESC), European Association for the Study of Diabetes (EASD), Transcatheter Cardiovascular Therapeutics (TCT), and the American Heart Association (AHA). Selection criteria were trials with a broad relevance to the cardiology community and those with potential to change current practice. RESULTS A total of 57 key cardiology clinical trials were identified for inclusion. Here we describe and place in clinical context the key findings of new data relating to interventional and structural cardiology including delayed stenting following primary angioplasty, contrast-induced nephropathy, management of jailed wires, optimal duration of dual antiplatelet therapy (DAPT), stenting vs bypass for left main disease, new generation stents (BioFreedom, Orsiro, Absorb), transcatheter aortic valve implantation (Edwards Sapien XT, transcatheter embolic protection), and closure devices (Watchman, Amplatzer). New preventative cardiology data include trials of bariatric surgery, empagliflozin, liraglutide, semaglutide, PCSK9 inhibitors (evolocumab and alirocumab), and inclisiran. Antiplatelet therapy trials include platelet function monitoring and ticagrelor vs clopidogrel for peripheral vascular disease. New data are also presented in fields of heart failure (sacubitril/valsartan, aliskiren, spironolactone), atrial fibrillation (rivaroxaban in patients undergoing coronary intervention, edoxaban in DC cardioversion), cardiac devices (implantable cardioverter defibrillator in non-ischemic cardiomyopathy), and electrophysiology (cryoballoon vs radiofrequency ablation). CONCLUSION This paper presents a summary of key clinical cardiology trials during the past year and should be of practical value to both clinicians and cardiology researchers.
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Affiliation(s)
- Alastair Gray
- Craigavon Cardiac Centre, Southern Trust, Craigavon, Northern Ireland, UK
| | - Conor McQuillan
- Craigavon Cardiac Centre, Southern Trust, Craigavon, Northern Ireland, UK
| | - Ian B A Menown
- Craigavon Cardiac Centre, Southern Trust, Craigavon, Northern Ireland, UK.
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94
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Krackhardt F, Kočka V, Waliszewski MW, Utech A, Lustermann M, Hudec M, Studenčan M, Schwefer M, Yu J, Jeong MH, Ahn T, Wan Ahmad WA, Boxberger M, Schneider A, Leschke M. Polymer-free sirolimus-eluting stents in a large-scale all-comers population. Open Heart 2017; 4:e000592. [PMID: 28761678 PMCID: PMC5515132 DOI: 10.1136/openhrt-2017-000592] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 03/09/2017] [Accepted: 03/21/2017] [Indexed: 12/01/2022] Open
Abstract
Objective The objective of this study was to assess the safety and efficacy of a polymer-free sirolimus coated, ultrathin strut drug-eluting stent (PF-SES) in an unselected patient population with a focus on acute coronary syndrome (ACS). Furthermore, stable coronary artery disease (CAD) with short (≤6 months) versus long (>6 months) dual antiplatelet therapy (DAPT) were also studied. Methods Patients who received PF-SES were investigated in an unselected large-scale international, single-armed, multicenter, ‘all comers’ observational study. The primary endpoint was the 9-month target lesion revascularisation (TLR) rate, whereas secondary endpoints included the 9-month major adverse cardiac events (MACE) and procedural success rates. A priori defined subgroups such as patients with ACS, diabetes, lesion subsets and procedural characteristics relative to DAPT were investigated. Results A total of 2877 patients of whom 1084 had ACS were treated with PF-SES (1.31±0.75 stents per patient). At 9 months, the accumulated overall TLR rate was 2.3% (58/2513). There was no significant difference between ACS and stable CAD (2.6% vs 2.1%, p=0.389). However, the overall MACE rate was 4.3% (108/2513) with a higher rate in patients with ACS when compared with the stable CAD subgroup (6.1%, 58/947 vs 3.2%, 50/1566, p<0.001). Conclusions PF-SES angioplasty is safe and effective in the daily clinical routine with low rates of TLR and MACE in an unselected patient population. Our data are in agreement with prior clinical findings that extended DAPT duration beyond 6 months do not improve clinical outcomes in patients with stable CAD (ClinicalTrials.gov Identifier NCT02629575). Trial registration number NCT02629575.
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Affiliation(s)
| | - Viktor Kočka
- Department of Cardiology, University Hospital Královské Vinohrady, Prague, Czech Republic
| | | | | | - Meik Lustermann
- Department of Kardiologie, Sudharz Klinikum Nordhausen gGmbH, Nordhausen, Thüringen, Germany
| | - Martin Hudec
- Department of Cardiology, SUSCCH a.s., Banská Bystrica, Slovakia
| | - Martin Studenčan
- Cardiocentre of Teaching Hospital of J.A. Reiman, Prešov, Slovakia
| | - Markus Schwefer
- Department of Kardiologie, Elblandklinikum Riesa, Riesa, Germany
| | - Jiangtao Yu
- Department of Kardiologie, Helmut-G.-Walther-Klinikum Lichtenfels, Lichtenfels, Germany
| | - Myung Ho Jeong
- Division of Cardiology, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Taehoon Ahn
- Department of Cardiology, Gil Hospital, Gachon University, Incheon, Republic of Korea
| | - Wan Azman Wan Ahmad
- Division Cardiology, Department of Medicine, University Malaya Medical Centre, Kuala Lumpur, Malaysia
| | - Michael Boxberger
- Department of Medical Scientific Affairs, B. Braun Melsungen AG, Berlin, Germany
| | - André Schneider
- Klinik für Kardiologie, Angiologie, Pneumologie, Klinikum Esslingen, Esslingen, Baden-Württemberg, Germany
| | - Matthias Leschke
- Klinik für Kardiologie, Angiologie, Pneumologie, Klinikum Esslingen, Esslingen, Baden-Württemberg, Germany
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95
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Ge J, Yu H, Li J. Acute Coronary Stent Thrombosis in Modern Era: Etiology, Treatment, and Prognosis. Cardiology 2017; 137:246-255. [DOI: 10.1159/000464404] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 02/22/2017] [Indexed: 11/19/2022]
Abstract
Acute stent thrombosis (AST) is a rare but life-threatening complication of coronary artery stenting. AST remains a challenging task for cardiologists, despite the application of modern procedural techniques and dual-antiplatelet therapy strategies as well as improved understanding of the underlying pathophysiology. This review focuses on the prevalence, risk factors, prognosis, multiple potential underlying pathogenesis, knowledge gaps, and recommends diagnosis and individualized management strategies of AST.
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96
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Di Mario C, Sorini Dini C, Wijns W. The year in cardiology 2016: coronary interventions. Eur Heart J 2017; 38:1017-1027. [PMID: 28043975 DOI: 10.1093/eurheartj/ehw649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Indexed: 11/14/2022] Open
Affiliation(s)
- Carlo Di Mario
- Structural Interventional Cardiology Division, Careggi University Hospital, Largo Brambilla 3, 50134 Florence, Italy.,National Heart and Lung Institute, Imperial College, Sydney Street, Chelsea, London SW3 6NP, London
| | - Carlotta Sorini Dini
- Structural Interventional Cardiology Division, Careggi University Hospital, Largo Brambilla 3, 50134 Florence, Italy
| | - William Wijns
- Lambe Institute for Translational Medicine and Curam, National University of Ireland, Galway and Saolta University Healthcare Group, University Road, Galway, Ireland
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97
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Seto AH, Dehghani P, Shah B, Anwaruddin S, Safirstein J, Tremmel JA. Late breaking trials of 2016 in coronary artery disease: Commentary covering SCAI, ACC, TCT, EuroPCR, ESC, and AHA. Catheter Cardiovasc Interv 2017; 89:1028-1034. [PMID: 28276150 DOI: 10.1002/ccd.26940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2017] [Accepted: 01/03/2017] [Indexed: 11/06/2022]
Abstract
The SCAI Publications Committee and Emerging Leadership Mentorship (ELM) Fellows concisely summarize and provide context on the most important coronary trials presented at large international meetings in 2016, including SCAI, ACC, TCT, EuroPCR, ESC, and AHA. The intent is to allow quick assimilation of trial results into interventional practice, and enable busy interventional cardiologists to stay up to date. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Arnold H Seto
- Division of Cardiology, Department of Medicine, Long Beach Veterans Affairs Medical Center, Long Beach, California
| | - Payam Dehghani
- Prairie Vascular Research Network, University of Saskatchewan, Regina, Saskatchewan, Canada
| | - Binita Shah
- Veterans Affairs New York Harbor Health Care System, New York University School of Medicine, New York, New York
| | - Saif Anwaruddin
- Division of Cardiovascular Medicine, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Jordan Safirstein
- Department of Cardiology, The Gagnon Cardiovascular Institute at the Morristown Memorial Hospital, Morristown, New Jersey
| | - Jennifer A Tremmel
- Department of Medicine (Cardiovascular), Stanford University Medical Center, Stanford, California
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98
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Gibson CM. Going Polymer Free and Dual Antiplatelet Free Earlier. J Am Coll Cardiol 2017; 69:172-175. [DOI: 10.1016/j.jacc.2016.10.056] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 10/26/2016] [Accepted: 10/31/2016] [Indexed: 11/26/2022]
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99
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Alraies MC, Buchanan K, Steinvil A, Rogers T, Koifman E, Kajita AH, Waksman R. Transcatheter Therapeutic Conference 2016 - Highlights of late-breaking trials. CARDIOVASCULAR REVASCULARIZATION MEDICINE 2016; 17:589-594. [PMID: 27916602 DOI: 10.1016/j.carrev.2016.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- M Chadi Alraies
- MedStar Cardiovascular Research Network and Advanced Education MedStar Washington Hospital Center, 110 Irving Street NW, Suite 4B-1
| | - Kyle Buchanan
- MedStar Cardiovascular Research Network and Advanced Education MedStar Washington Hospital Center, 110 Irving Street NW, Suite 4B-1
| | - Arie Steinvil
- MedStar Cardiovascular Research Network and Advanced Education MedStar Washington Hospital Center, 110 Irving Street NW, Suite 4B-1
| | - Toby Rogers
- MedStar Cardiovascular Research Network and Advanced Education MedStar Washington Hospital Center, 110 Irving Street NW, Suite 4B-1
| | - Edward Koifman
- MedStar Cardiovascular Research Network and Advanced Education MedStar Washington Hospital Center, 110 Irving Street NW, Suite 4B-1
| | - Alexandre H Kajita
- MedStar Cardiovascular Research Network and Advanced Education MedStar Washington Hospital Center, 110 Irving Street NW, Suite 4B-1
| | - Ron Waksman
- MedStar Cardiovascular Research Network and Advanced Education MedStar Washington Hospital Center, 110 Irving Street NW, Suite 4B-1.
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