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https://www.readbyqxmd.com/read/28931015/short-versus-prolonged-dual-antiplatelet-therapy-dapt-duration-after-coronary-stent-implantation-a-comparison-between-the-dapt-study-and-9-other-trials-evaluating-dapt-duration
#1
Toshiaki Toyota, Hiroki Shiomi, Takeshi Morimoto, Masahiro Natsuaki, Takeshi Kimura
AIMS: The Dual Antiplatelet Therapy (DAPT) study demonstrated that DAPT beyond 1-year after drug-eluting stent (DES) implantation, as compared with aspirin therapy alone, significantly reduced the risk of major cardiovascular and cerebrovascular events, which was mainly driven by the large risk reduction for myocardial infarction (MI). We sought to compare the largest DAPT study with other trials evaluating DAPT durations after DES implantation. METHODS AND RESULTS: By a systematic literature search, we identified 9 trials comparing prolonged- versus short-DAPT in addition to the DAPT study...
2017: PloS One
https://www.readbyqxmd.com/read/28929334/efficacy-of-biolimus-a9-eluting-stent-for-treatment-of-right-coronary-ostial-lesion-with-intravascular-ultrasound-guidance-a-multi-center-registry
#2
Kenya Nasu, Yuji Oikawa, Maoto Habara, Shinichi Shirai, Hidetoshi Abe, Makoto Kadotani, Ryo Gotoh, Hidenari Hozawa, Hiroshi Ota, Takashi Suzuki, Yoshihisa Shibata, Masaki Tanabe, Yuya Nakagawa, Takeshi Serikawa, Shiro Nagasaka, Yasuyo Takeuchi, Yoshihide Fujimoto, Hiroshi Tamura, Yuichi Kobori, Junji Yajima, Tadanori Aizawa, Takahiko Suzuki
The aim of this study was to assess the efficacy of a biolimus A9-eluting stent in patients with a right coronary artery (RCA) ostial lesion. Ostial lesions of the RCA have been a limitation of percutaneous coronary intervention even in the drug-eluting stent (DES) era. However, clinical outcomes after the deployment of a second generation DES to an RCA ostial lesion with intravascular ultrasound (IVUS) guidance have not been fully elucidated. From September 2011 to March 2013, 74 patients were enrolled in 17 centers from Japan...
September 19, 2017: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/28924998/pulmonary-vein-stenosis-with-collateralization-via-esophageal-varices-long-term-follow-up-after-successful-treatment-with-drug-eluting-stent
#3
Jason F Goldberg, Craig L Jensen, Rajesh Krishnamurthy, Nidhy P Varghese, Henri Justino
OBJECTIVE: We describe the long-term follow-up of a child with recurrent hemoptysis due to severe pulmonary vein stenosis decompressing via collaterals to esophageal varices. DESIGN: Case report SETTING: Tertiary children's hospital PATIENT: Single child through ages 2- to 11-year old INTERVENTIONS: The child underwent cutting balloon angioplasty, bare metal stenting, and implantation of a PTFE-covered stent, all of which failed rapidly. Only after placement of a paclitaxel drug eluting stent did he have prolonged relief from hemoptysis and long-term patency of the treated vein...
September 18, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28924344/the-return-of-the-vulnerable-plaque-optical-coherence-tomography-imaging-of-a-case-of-a-late-in-stent-restenotic-chronic-total-occlusion
#4
Dilbahar S Mohar, Pranav M Patel, Alisha K Grewal, Prabhsimran Mohar, Morton J Kern
Although the use of drug-eluting stents (DES) has dramatically decreased the incidence of in-stent restenosis (ISR), concerns regarding the late manifestations of ISR remain. Optical coherence tomography (OCT) imaging provides unique insights into characteristics and patterns of ISR. We report a case of late DES ISR with unusual heterogeneous intracoronary luminal characteristics suggestive of vulnerable atherosclerotic plaque activity by OCT imaging. This case demonstrates that late ISR after DES may involve more than mere neointimal hyperplasia with lesion-associated craters, septae, and neoatherosclerosis...
September 2017: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28923692/polymer-free-biolimus-a9-coated-stents-in-the-treatment-of-de-novo-coronary-lesions-with-short-dapt-9-month-angiographic-and-clinical-follow-up-of-the-prospective-multicenter-biofreedom-usa-clinical-trial
#5
Ron Waksman, Guy N Piegari, Ameer Kabour, Louis Cannon, John Wang, George Adams, Naresh Solankhi, Anthony Smeglin, Dean J Kereiakes, Roy Leiboff, Mia-Ashley Spad, Rebecca Torguson, Nina Chandra, Roshni Bastian, Jolanda DeGroot, Margaret W Kayo, Hans-Peter Stoll, Hector M Garcia-Garcia
BACKGROUND: BioFreedom is a polymer- and carrier-free drug-coated stent that delivers Biolimus A9 to the vessel wall. Our purpose was to evaluate the efficacy and safety of this DCS in patients with short-duration dual antiplatelet therapy. METHODS: The BioFreedom US IDE feasibility trial was a single-arm, open-label, prospective study of patients requiring stenting of de novo lesions. Patients received 3 months of DAPT, repeat angiography at 9 months, and clinical follow-up at multiple intervals...
July 31, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28917678/optical-frequency-domain-imaging-versus-intravascular-ultrasound-in-percutaneous-coronary-intervention-opinion-trial-results-from-the-opinion-imaging-study
#6
Hiromasa Otake, Takashi Kubo, Hachidai Takahashi, Toshiro Shinke, Takayuki Okamura, Kiyoshi Hibi, Gaku Nakazawa, Yoshihiro Morino, Junya Shite, Tetsuya Fusazaki, Ken Kozuma, Tetsuya Ioji, Hideaki Kaneda, Takashi Akasaka
OBJECTIVES: We sought to clarify how intravascular ultrasound (IVUS) and optical coherence tomography affect percutaneous coronary intervention (PCI) with current-generation drug-eluting stents in a pre-specified substudy of the OPINION (OPtical frequency domain imaging versus INtravascular ultrasound in percutaneous coronary interventiON) trial, a multicenter, prospective, randomized, noninferiority trial comparing optical frequency domain imaging (OFDI)-guided PCI with IVUS-guided PCI...
September 9, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28917119/a-mechanistic-model-for-drug-release-from-plga-based-drug-eluting-stent-a-computational-study
#7
Jahed Naghipoor, Timon Rabczuk
Atherosclerosis in the coronary artery is one of the leading causes of death in the world. The stenting as a minimally invasive technique was considered as an effective tool to reduce the severity of atherosclerotic stenosis. In-stent restenosis is the main drawback of the stenting in the coronary artery. Understanding the mechanism of drug release from drug-eluting stents and drug uptake in the arterial wall and obtaining more information about their functionality using mathematical modeling and numerical simulation, could be considered as a predictive tool to investigate in-stent restenosis growth which is experimentally expensive to study...
September 8, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28916429/incidence-and-predictors-of-recurrent-restenosis-after-drug-coated-balloon-angioplasty-for-restenosis-of-a-drug-eluting-stent-the-icarus-cooperation
#8
Salvatore Cassese, Bo Xu, Seiji Habara, Harald Rittger, Robert A Byrne, Matthias Waliszewski, María José Pérez-Vizcayno, Runlin Gao, Adnan Kastrati, Fernando Alfonso
INTRODUCTION AND OBJECTIVES: The incidence and predictors of recurrent restenosis after drug-coated balloon (DCB) angioplasty for drug-eluting stent (DES) restenosis remain poorly studied. We sought to evaluate the incidence and predictors of recurrent restenosis among participants in randomized controlled trials receiving DCB angioplasty for DES restenosis. METHODS: The clinical and lesion data of individuals enrolled in 6 randomized controlled trials of DCB angioplasty for DES restenosis were pooled...
September 12, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28915510/drug-eluting-vs-bare-metal-stents-in-patients-with-chronic-kidney-disease-and-coronary-artery-disease-insights-from-a-systematic-review-and-meta-analysis
#9
Alexander Volodarskiy, Sunil Kumar, Radoslaw Pracon, Mandeep Sidhu, Evgeny Kretov, Tomasz Mazurek, Olga Bockeria, Upendra Kaul, Sripal Bangalore
BACKGROUND: Most drug-eluting stent (DES) trials have excluded patients with chronic kidney disease (CKD). The efficacy of DES implantation in patients with CKD is therefore not known. OBJECTIVES: To evaluate the outcomes with DES vs bare-metal stent (BMS) implantation in patients with CKD. METHODS AND RESULTS: MEDLINE, EMBASE, and CENTRAL were searched for studies including at least 100 patients with CKD (estimated glomerular filtration rate ≤60 mL/min/1...
September 15, 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28903139/percutaneous-coronary-intervention-vs-coronary-artery-bypass-grafting-in-patients-with-left-main-coronary-artery-stenosis-a-systematic-review-and-meta-analysis
#10
Daniele Giacoppo, Roisin Colleran, Salvatore Cassese, Antonio H Frangieh, Jens Wiebe, Michael Joner, Heribert Schunkert, Adnan Kastrati, Robert A Byrne
Importance: In patients with left main coronary artery (LMCA) stenosis, coronary artery bypass grafting (CABG) has been the standard therapy for several decades. However, some studies suggest that percutaneous coronary intervention (PCI) with drug-eluting stents may be an acceptable alternative. Objective: To compare the long-term safety of PCI with drug-eluting stent vs CABG in patients with LMCA stenosis. Data Sources: PubMed, Scopus, EMBASE, Web of Knowledge, and ScienceDirect databases were searched from December 18, 2001, to February 1, 2017...
September 13, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28895303/coronary-angiography-with-or-without-percutaneous-coronary-intervention-in-patients-with-hemophilia-systematic-review
#11
Christian Boehnel, Hans Rickli, Lukas Graf, Micha T Maeder
OBJECTIVES: We aimed to summarize the evidence for periprocedural and long-term strategies to both minimize the bleeding risk and ensure sufficient anticoagulation and antiaggregation in hemophilia patients undergoing coronary angiography with or without percutaneous coronary interventions (PCI). BACKGROUND: Hemophilia patients undergoing coronary angiography and PCI are at risk of bleeding due to deficiency of the essential clotting factors VIII or IX combined with the need of peri-interventional anticoagulation and antiaggregation and dual antiplatelet therapy (DAPT) after PCI...
September 12, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28894604/new-generation-bioresorbable-scaffold-technologies-an-update-on-novel-devices-and-clinical-results
#12
REVIEW
Damiano Regazzoli, Pier Pasquale Leone, Antonio Colombo, Azeem Latib
Bioresorbable scaffolds (BRS) represent a novel horizon in interventional cardiology and may lead to some potential long-term advantages including the restoration of vasomotion, positive remodeling and a reduced incidence of late and very-late scaffold thrombosis (ScT). This technology, introduced to overcome limitations of current metallic drug-eluting stents (DES), is constantly and rapidly evolving with many companies working on bioresorbable devices. The aim of this review is to present an update on the most promising scaffolds that are under development...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28894600/current-concepts-on-coronary-revascularization-using-brs-in-patients-with-diabetes-and-small-vessels-disease
#13
REVIEW
Giulia Masiero, Marco Mojoli, Daisuke Ueshima, Giuseppe Tarantini
Diabetes mellitus (DM) and small vessel (SV) disease are two major predictors of adverse outcome in patients treated by percutaneous coronary intervention (PCI), even when last generation metallic drug-eluting stents (DES) are used. Bioresorbable scaffold (BRS) technology has been recently developed to overcome the disadvantages of metallic DES due to their permanent struts. Through the resorption process, BRS may provide a vascular restoration that appears very attractive especially when distal or diffusely diseased coronary segments are involved, as in diabetic patients and SV disease...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28894598/mechanical-behavior-of-polymer-based-vs-metallic-based-bioresorbable-stents
#14
REVIEW
Hui Ying Ang, Ying Ying Huang, Soo Teik Lim, Philip Wong, Michael Joner, Nicolas Foin
Bioresorbable scaffolds (BRS) were developed to overcome the drawbacks of current metallic drug-eluting stents (DES), such as late in-stent restenosis and caging of the vessel permanently. The concept of the BRS is to provide transient support to the vessel during healing before being degraded and resorbed by the body, freeing the vessel and restoring vasomotion. The mechanical properties of the BRS are influenced by the choice of the material and processing methods. Due to insufficient radial strength of the bioresorbable material, BRS often required large strut profile as compared to conventional metallic DES...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28894596/magmaris-a-new-generation-metallic-sirolimus-eluting-fully-bioresorbable-scaffold-present-status-and-future-perspectives
#15
REVIEW
Claudio Rapetto, Massimo Leoncini
Drug-eluting stents (DES) have reached a high safety and efficacy profile, becoming the best option for percutaneous coronary interventions (PCI) based revascularization. However, despite their optimal performance, a few concerns remain regarding their use, mainly due to permanent caging of the vessels and its consequences, first of all late stent thrombosis (ST). Bioresorbable scaffolds (BRS) aim to overcome these issues. The results achieved in randomized controlled trials (RCT) by the first generation of poly-L-lactic acid (PLLA) based scaffolds were promising at 1 year, but the first long term reports (albeit flawed by non-optimal implantation technique) have been disappointing, showing, for instance, an increased risk of ST and target vessel myocardial infarction (TV-MI)...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28894594/effectiveness-and-safety-of-the-absorb-bioresorbable-vascular-scaffold-for-the-treatment-of-coronary-artery-disease-systematic-review-and-meta-analysis-of-randomized-clinical-trials
#16
Rita Pavasini, Matteo Serenelli, Francesco Gallo, Giulia Bugani, Salvatore Geraci, Paolo Vicinelli, Gianluca Campo
BACKGROUND: In the last years bioresorbable vascular scaffold (BVS) become a new therapeutic option for interventional cardiologists, with the advantage of a scaffold inducing a possible vessel wall restoration. Nevertheless, several trials tried to prove the safety and efficacy profile of scaffolds, but with conflicting results. METHODS: A systematic review and meta-analysis was performed. The search was carried out in PubMed, Google Scholar, Biomed Central and Cochrane Library between January and March 2017...
August 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28894060/-redo-off-pump-coronary-artery-bypass-for-postoperative-vein-graft-stenosis-of-anomalous-origin-of-the-left-coronary-artery-from-the-pulmonary-artery-report-of-a-case
#17
Taro Minamida, Takashi Sugiki, Masamichi Itou, Yasuhiro Kamikubo, Makoto Takahira
Bland-White-Garland (BWG) syndrome (anomalous origin of the left coronary artery from the pulmonary artery) is a rare disease which may result in myocardial infarction, congestive heart failure or sometimes death during the early infantile period. We present a 57-year-old female with BWG syndrome. At the age of 20, she was diagnosed with BWG syndrome and underwent coronary artery bypass grafting of a saphenous vein to the proximal portion of the anterior descending branch of the left coronary artery and ligation of the anomalous artery...
September 2017: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/28893701/impact-of-vascular-calcifications-on-long-femoropopliteal-stenting-outcomes
#18
Adrien Kaladji, Pierre-Alexandre Vent, Aurore Danvin, Philippe Chaillou, Alain Costargent, Béatrice Guyomarch, Thibaut Quillard, Yann Gouëffic
OBJECTIVE: Vascular calcifications (VCs) may be a prognostic factor for outcome after endovascular treatment of peripheral arterial disease (PAD). Semi-quantitative analysis with X-ray imaging is the main limiting factor for assessing VCs. The aim of the present study was to find a correlation between the amount of VC with a CT scan quantification and mid-term results of endovascular treatment of TASC C/D femoropopliteal (FP) lesions. METHODS: Patients belonging to two previously published registries (STELLA and STELLA PTX) and who underwent a preoperative CT scan were retrospectively included in the study...
September 8, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28891183/primary-percutaneous-coronary-intervention-for-inferior-st-segment-elevation-myocardial-infarction-in-a-patient-supported-by-the-heartware-left-ventricular-assist-device
#19
Roberto Spina, Maithri Siriwardena, Nicole Bart, Mayooran Namasivayam, Mark Connellan, Paul Jansz, Philip Spratt, Christopher S Hayward, Eugene Kotlyar, Brendan Gunalingam
A 63-year-old man with an ischaemic cardiomyopathy, supported by the HeartWare left ventricular assist device (LVAD), presented with ventricular tachycardia and inferior ST-elevation myocardial infarction (STEMI) with associated acute right ventricular (RV) dysfunction. He underwent primary percutaneous coronary intervention with balloon angioplasty and placement of three drug-eluting stents in the proximal-to-mid right coronary artery. Post-procedure, ventricular arrhythmias abated, RV systolic dysfunction resolved and RV size normalised...
September 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28891165/drug-coated-balloons-do-they-still-have-a-role-in-treating-coronary-artery-disease
#20
EDITORIAL
Wassim Shatila, Zvonimir Krajcer
Small vessels with coronary artery disease (CAD) are at high risk of restenosis, despite the use of drug-eluting stents (DESs). Drug-coated balloon (DCB) therapy offers a viable alternative to DESs for the management of small vessel CAD. The literature regarding the use of DCBs in lieu of the newer generation DESs to treat small vessel CAD is controversial.
September 1, 2017: Catheterization and Cardiovascular Interventions
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