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Biodegradable polymer stent

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https://www.readbyqxmd.com/read/29221958/a-comparison-of-the-ultrathin-orsiro-hybrid-sirolimus-eluting-stent-with-contemporary-drug-eluting-stents-a-meta-analysis-of-randomized-controlled-trials
#1
Michael J Lipinski, Brian J Forrestal, Micaela Iantorno, Rebecca Torguson, Ron Waksman
BACKGROUND: Recent studies suggest the Orsiro sirolimus-eluting stent (O-SES), which has ultrathin struts with a biodegradable sirolimus-eluting polymer coating, performed better than contemporary drug-eluting stents (DES). We performed a meta-analysis to compare clinical outcomes for all randomized controlled trials (RCTs) of O-SES vs contemporary DES. METHODS/MATERIALS: PubMed, Cochrane CENTRAL, and meeting abstracts were searched for all RCTs comparing O-SES with contemporary DES...
November 21, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29214779/effectiveness-and-safety-of-biolimus-a9%C3%A2-eluting-stent-in-patients-with-acute-coronary-syndrome-a-multicenter-observational-study-beauty-study
#2
Keun Ho Park, Myung Ho Jeong, Young Joon Hong, Youngkeun Ahn, Hyun Kuk Kim, Young Yub Koh, Doo Il Kim, Sang Wook Kim, Weon Kim, Seung Woon Rha, Jay Young Rhew, Jong Seon Park, Hun Sik Park, Jang Ho Bae, Jang Whan Bae, Seok Kyu Oh, Sung Yun Lee, Seung Wook Lee, Jae Hwan Lee, Sang Yeob Lim, Jang Hyun Cho, Kwang Soo Cha, Jai Keon Chae, Seung Ho Hur, Sun Ho Hwang, Jin Yong Hwang
PURPOSE: This study sought to determine the 1-year clinical effectiveness and safety of a biodegradable, polymer-containing Biolimus A9™-eluting stent (BES) in Korean patients with acute coronary syndrome (ACS). MATERIALS AND METHODS: A total of 1000 ACS patients with 1251 lesions who underwent implantation of BESs at 22 centers in Korea were enrolled between May 2011 and July 2013. We assessed major adverse cardiac events (MACE) defined as the composite of cardiac death, non-fatal myocardial infarction (MI), and clinical-driven target vessel revascularization at 12 months...
January 2018: Yonsei Medical Journal
https://www.readbyqxmd.com/read/29205157/a-comparison-of-an-ultrathin-strut-biodegradable-polymer-sirolimus-eluting-stent-with-a-durable-polymer-everolimus-eluting-stent-for-patients-with-acute-stsegment-elevation-myocardial-infarction-undergoing-primary-percutaneous-coronary-intervention-rationale
#3
Juan F Iglesias, Olivier Muller, Serge Zaugg, Marco Roffi, David J Kurz, André Vuilliomenet, Daniel Weilenmann, Christoph Kaiser, Maxime Tapponnier, Dik Heg, Marco Valgimigli, Eric Eeckhout, Peter Jüni, Stephan Windecker, Thomas Pilgrim
AIMS: A novel ultrathin-strut biodegradable polymer sirolimus-eluting stent (Orsiro™, Biotronik, Bülach, Switzerland; BP-SES) was shown to be superior to a thin-strut durable polymer everolimus-eluting stent (Xience™ Xpedition/Alpine, Abbott Vascular, Santa Clara, USA; DP-EES) with respect to the primary endpoint of target lesion failure (TLF) at 12 months in the prespecified subgroup of patients with ST-segment elevation myocardial infarction (STEMI) included in the BIOSCIENCE trial...
December 5, 2017: EuroIntervention
https://www.readbyqxmd.com/read/29198920/impact-of-post-dilatation-on-longitudinal-stent-elongation-an-in-vitro-study
#4
Takuya Sumi, Hideki Ishii, Akihito Tanaka, Susumu Suzuki, Hiroki Kojima, Naoki Iwakawa, Toshijiro Aoki, Kenshi Hirayama, Takayuki Mitsuda, Kazuhiro Harada, Yosuke Negishi, Tomoyuki Ota, Kenji Kada, Toyoaki Murohara
OBJECTIVES: To evaluate whether balloon inflation for post-dilatation causes longitudinal stent deformation (LSD). METHODS AND RESULTS: Two stents, sized 2.5mm×28mm and 3.5mm×28mm (Nobori®, biodegradable polymer biolimus-eluting stent; Ultimaster®, biodegradable polymer sirolimus-eluting stent; Terumo Co., Tokyo, Japan), were deployed at nominal pressure in straight and tapered silicon vessel models. Then, post-dilatation was performed in two ways: dilatation from the distal (D-P group) or proximal (P-D group) side of the stent...
November 30, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/29174500/long-term-results-of-a-sirolimus-eluting-stent-with-biodegradable-polymer-rapstrom%C3%A2-in-de-novo-coronary-stenoses
#5
Filippo Figini, Chaman Nadish Manjunath, Balaji Chandra Srinivas, Kanvar Sarat Sadananda, Madhu Sreedharan, Louie Fischer, Ramakrishna Pillai, Kiron Varghese, Ajay K Gopal, Chamarajnagar Mahadevappa Nagesh, Imad Sheiban
OBJECTIVES: To report long-term results of a novel sirolimus-eluting stent with biodegradable polymer BACKGROUND: Newer generation drug-eluting stents are characterized by thin struts, improved platform design and highly biocompatible polymer carrying the antiproliferative drug. The RapstromTM stent, sharing these features, showed promising outcomes in preclinical models and in a first-in-man trial. METHODS: The present study is a multicenter, non-randomized post-market registry, including patients with de novo coronary artery disease treated with implantation of one or more Rapstrom stents...
October 7, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/29166720/-long-term-safety-and-efficacy-of-a-novel-abluminal-groove-filled-biodegradable-polymer-sirolimus-eluting-stent-for-the-treatment-of-coronary-de-novo-lesions
#6
C J Li, B Xu, C D Guan, R L Gao
Objective: To compare the long term safety and efficacy of the novel abluminal groove-filled biodegradable polymer sirolimus-eluting stent(Firehawk stent) and permanent polymer coating everolimus eluting stent(Xience V stent) for the treatment of coronary de novo lesions. Methods: This prospective, multi-center, non-inferiority, randomized control trial(TARGETⅠ trial) was performed between August 2010 and April 2011, a total of 460 patients with primary, de novo, single vessel and single coronary lesion from 16 medical centers were enrolled...
November 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29160048/from-biodegradable-polymers-to-bioresorbable-vascular-scaffolds-available-evidence-in-the-current-era-of-new-generation-des
#7
Fabio Magliulo, Raffaele Piccolo, Anna Franzone, Giovanni Esposito, Gian B Danzi
New-generation drug-eluting stents (DES) encompass a large variety of coronary devices, featuring thin struts, biocompatible durable or biodegradable polymer coatings, and limus-eluting drugs. Due to improved early and long-term outcomes among patients undergoing percutaneous coronary intervention, new-generation metallic DES are recommended in almost all patient and lesion subsets. Available evidence from randomized trials indicate a similar safety and efficacy profile between biodegradable and durable polymers new-generation DES...
November 20, 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/29159531/very-early-neointimal-coverage-of-new-biodegradable-polymer-drug-eluting-stent-compared-with-durable-polymer-everolimus-eluting-stent-evaluated-by-optical-frequency-domain-imaging
#8
Norihiro Kobayashi, Yoshiaki Ito, Masahiro Yamawaki, Motoharu Araki, Tsuyoshi Sakai, Yasunari Sakamoto, Shinsuke Mori, Masakazu Tsutsumi, Masahiro Nauchi, Yohsuke Honda, Takahiro Tokuda, Kenji Makino, Shigemitsu Shirai, Keisuke Hirano
Polymeric component is associated with the increased risk of delayed vessel healing and stent endothelialization. We aimed to clarify neointimal coverage within 1 month after implantation of the new-generation abluminal biodegradable polymer (BP) drug-eluting stent (DES) compared with the second-generation durable polymer (DP) everolimus-eluting stent (EES). Between November 2015 and October 2016, 32 BP-DES and 25 DP-EES were evaluated by optical frequency domain imaging (OFDI) within 1 month after the procedure...
November 20, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29128964/in-vivo-assessment-of-a-novel-biodegradable-ureteral-stent
#9
Alexandre A Barros, Carlos Oliveira, Ana J Ribeiro, Riccardo Autorino, Rui L Reis, Ana Rita C Duarte, Estevão Lima
PURPOSE: To perform an in vivo assessment of a newly developed biodegradable ureteral stent (BUS) produced with natural-based polymers. METHODS: The BUS is based on a patented technology combining the injection process with the use of supercritical fluid technology. Study was conducted at ICVS-University of Minho (Braga, Portugal) and a total of ten domestic pigs were used. In seven animals, the experimental BUS stent was inserted, whereas in the remaining a commercially available stent was used (6-Fr Biosoft(®) duo stents, Porges Coloplast, Denmark)...
November 11, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/29102583/endothelial-barrier-protein-expression-in-biodegradable-polymer-sirolimus-eluting-versus-durable-polymer-everolimus-eluting-metallic-stents
#10
Hiroyoshi Mori, Qi Cheng, Christoph Lutter, Samantha Smith, Liang Guo, Matthew Kutyna, Sho Torii, Emanuel Harari, Eduardo Acampado, Michael Joner, Frank D Kolodgie, Renu Virmani, Aloke V Finn
OBJECTIVES: This study sought to investigate endothelial coverage and barrier protein expression following stent implantation. BACKGROUND: Biodegradable polymer drug-eluting stents (BP-DES) have been purported to have biological advantages in vessel healing versus durable polymer DES (DP-DES), although clinical trial data suggest equipoise. METHODS: Biodegradable polymer-sirolimus-eluting stents (BP-SES), durable polymer-everolimus-eluting stents (DP-EES), and bare-metal stents (BMS) were compared...
October 25, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29101374/a-comparison-of-the-main-outcomes-from-bp-bes-and-dp-des-at-five-years-of-follow-up-a-systematic-review-and-meta-analysis
#11
Pan Lu, Shuai Lu, Yuanyuan Li, Mengmeng Deng, Zhaohui Wang, Xiaobo Mao
Biodegradable polymer biolimus-eluting stents (BP-BES) are third-generation drug-eluting stents (DES) composed of biodegradable polymers that may improve prognosis after percutaneous coronary intervention (PCI). After five years of follow-up, BP-BES showed conflicting results compared to durable polymer drug-eluting stents (DP-DES). We performed a meta-analysis of the outcomes of studies on BP-BES and DP-DES after percutaneous coronary intervention (PCI) at five years of follow-up. Eligible studies were retrieved from PubMed, Embase and the Cochrane Library and reported the results of all-cause mortality, myocardial infarction (MI), target lesion revascularization (TLR), target vessel revascularization (TVR) and stent thrombosis (ST) at five years of follow-up...
November 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29082870/biodegradable-polymer-drug-eluting-stents-caveat-emptor
#12
Robert A Byrne, Tibor Schuster
No abstract text is available yet for this article.
October 21, 2017: Lancet
https://www.readbyqxmd.com/read/29027737/an-optical-coherence-tomography-study-of-neointimal-morphology-and-strut-coverage-at-different-time-intervals-from-implantation-of-biodegradable-polymer-coated-sirolimus-eluting-stents
#13
Jacek Legutko, Robert J Gil, Pawel E Buszman, Grzegorz L Kaluza, Gary S Mintz, Tomasz Roleder, Marek Krol, Roman Wojdyla, Tomasz Pawlowski, Michal Brzezinski, Marek Kondys, Bartosz Skwarna, Jacek Jakala, Wojciech Zasada, Lukasz Partyka, Dariusz Dudek
OBJECTIVES: The aim of the study was to capture the evolution of neointima after implantation of a biodegradable polymer-coated, sirolimus-eluting, cobalt-chromium coronary stent system (BP-DES). BACKGROUND: Optical coherence tomography (OCT) suggests that in-stent neointimal morphology influences clinical outcomes after DES implantation. METHODS: Sixty patients treated with single BP-DES implantation were examined by quantitative coronary angiography (QCA) and OCT at 3, 6, and 12-month follow-up...
October 13, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29025834/study-protocol-for-a-randomised-controlled-trial-harmonising-optimal-strategy-for-treatment-of-coronary-artery-stenosis-coronary-intervention-with-next-generation-drug-eluting-stent-platforms-and-abbreviated-dual-antiplatelet-therapy-host-idea-trial
#14
Chi-Hoon Kim, Jung-Kyu Han, Han-Mo Yang, Kyung Woo Park, Hae-Young Lee, Hyun-Jae Kang, Bon-Kwon Koo, Namho Lee, Tae-Joon Cha, Tae-Hyun Yang, Myung-Ho Jeong, Myeong-Ho Yoon, Seung Uk Lee, Seung Jin Lee, Jin Won Kim, Jin-Man Cho, Kyu-Rock Han, Wook Bum Pyun, Hyo-Soo Kim
INTRODUCTION: We have recently seen the introduction of newer generation drug-eluting stents with ultrathin struts that use advanced polymer technologies. However, the efficacy and safety of these newest stents have not yet been fully explored. In addition, there are still controversies over the optimal duration of dual antiplatelet therapy (DAPT) after stent implantation, particularly for ultrathin stents with the newest polymer technologies. METHODS AND ANALYSIS: The HOST-IDEA trial is a randomised, open-label, multicentre, non-inferiority trial and the first study to directly compare two of these ultrathin sirolimus-eluting stents: Orsiro stent with biodegradable polymer, and polymer-free Coroflex ISAR (CX-ISAR) stent...
October 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/29020300/impact-of-design-of-coronary-stents-and-length-of-dual-antiplatelet-therapies-on-ischaemic-and-bleeding-events-a-network-meta-analysis-of-64-randomized-controlled-trials-and-102%C3%A2-735-patients
#15
Fabrizio D'Ascenzo, Mario Iannaccone, Gaelle Saint-Hilary, Maurizio Bertaina, Stefanie Schulz-Schüpke, Cheol Wahn Lee, Alaide Chieffo, Gerard Helft, Sebastiano Gili, Umberto Barbero, Giuseppe Biondi Zoccai, Claudio Moretti, Fabrizio Ugo, Maurizio D'Amico, Roberto Garbo, Gregg Stone, Sara Rettegno, Pierluigi Omedè, Federico Conrotto, Christian Templin, Antonio Colombo, Seung-Jung Park, Adnan Kastrati, David Hildick-Smith, Mauro Gasparini, Fiorenzo Gaita
Aims: The differential impact on ischaemic and bleeding events of the type of drug-eluting stent [durable polymer stents [DES] vs. biodegradable polymer stents vs. bioresorbable scaffolds (BRS)] and length of dual antiplatelet therapy (DAPT) remains to be defined. Methods and results: Randomized controlled trials comparing different types of DES and/or DAPT durations were selected. The primary endpoint was Major Adverse Cardiovascular Events (MACE) [a composite of death, myocardial infarction (MI), and target vessel revascularization]...
November 7, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28994655/functional-comparison-between-buma-supreme-biodegradable-polymer-sirolimus-eluting-and-durable-polymer-zotarolimus-eluting-coronary-stents-using-quantitative-flow-ratio-pioneer-qfr-substudy
#16
Taku Asano, Yuki Katagiri, Carlos Collet, Erhan Tenekecioglu, Yosuke Miyazaki, Yohei Sotomi, Giovanni Amoroso, Adel Aminian, Salvatore Brugaletta, Mathias Vrolix, Rosana Hernandez-Antolín, Pim van de Harst, Andres Iñiguez, Luc Janssens, Pieter Smits, Joanna J Wykrzykowska, Vasco Gama Ribeiro, Helder Periera, Pedro Canas da Silva, Jan J Piek, Johan H C Reiber, Clemens von Birgelen, Manel Sabaté, Yoshinobu Onuma, Patrick W Serruys
AIMS: Quantitative Flow Ratio (QFR) based on 3-dimensional quantitative coronary angiography (3D-QCA) is a novel method to assess the physiological functionality after treatment with stents. The current study aimed to evaluate the difference in physiological functionality 9 months after implantation of a bioresorbable polymer-based sirolimus-eluting stent with an electrografting base layer (BuMA Supreme: B-SES) versus a durable polymer-based zotarolimus-eluting stent (Resolute: R-ZES)...
October 10, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28990450/revisiting-the-role-of-durable-polymers-in-cardiovascular-devices
#17
Hiroyoshi Mori, Fumiyuki Otsuka, Anuj Gupta, Hiroyuki Jinnouchi, Sho Torii, Emanuel Harari, Renu Virmani, Aloke V Finn
Polymers are an essential component of drug-eluting stents (DES) used to control drug release but remain the most controversial component of DES technology. There are two types of polymers employed in DES: durable polymer based DES (DP-DES) and biodegradable polymer DES (BP-DES). First-generation DES were exclusively composed of DP and demonstrated increased rates of late stent failure due in part to poor polymer biocompatibility. Newer generations DES use more biocompatible durable polymers or biodegradable polymers...
November 2017: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/28990343/efficacy-and-safety-of-a-biodegradable-polymer-cobalt-chromium-sirolimus-eluting-stent-excel2-in-treating-de-novo-coronary-artery-disease-a-pooled-analysis-of-the-credit-ii-and-credit-iii-trials-doi-10-1002-ccd-26887
#18
Geng Wang, Heyang Wang, Bo Xu, Yuejin Yang, Zhiming Yang, Hui Li, Zheng Zhang, Haichang Wang, Lixia Yang, Yaling Han
No abstract text is available yet for this article.
October 1, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28965166/comparative-assessment-of-three-drug-eluting-stents-with-different-platforms-but-with-the-same-biodegradable-polymer-and-the-drug-based-on-quantitative-coronary-angiography-and-optical-coherence-tomography-at-12-month-follow-up
#19
Robert J Gil, Jacek Bil, Jacek Legutko, Tomasz Pawłowski, Katarzyna E Gil, Dariusz Dudek, Ricardo A Costa
The aim of this study was to compare neointima proliferation in three drug-eluting stents (DES) produced by the same company (Balton, Poland) which are covered with a biodegradable polymer and elute sirolimus (concentration: 1.0 and 1.2 µg/mm(2)), but have different stent platforms and strut thickness: stainless steel Prolim(®) (115 µm) and BiOSS LIM(®) (120 µm) and cobalt-chromium Alex(®) (70 µm). We analyzed data of patients with quantitative coronary angiography (QCA) and optical coherence tomography (OCT) at 12 months from BiOSS LIM Registry, Prolim Registry and Alex OCT clinical trial...
September 30, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28941481/does-the-new-generation-of-drug-eluting-stents-render-bare-metal-stents-obsolete
#20
REVIEW
Kyle Buchanan, Arie Steinvil, Ron Waksman
The development of bare metal coronary stents revolutionized the treatment of coronary artery disease by reducing rates of acute vessel closure and restenosis associated with balloon angioplasty. However, bare metal stents (BMS) resulted in high rates of restenosis and led to the development of drug-eluting stents (DES). Those first-generation DES were followed by successive generations of DES that included improvements, such as biodegradable and more biocompatible polymers. Despite the superiority of the current DES compared to BMS, a subset of patients still receives BMS...
September 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
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