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https://www.readbyqxmd.com/read/27914491/impact-of-lesion-characteristics-on-the-prediction-of-optimal-poststent-fractional-flow-reserve
#1
Hirohiko Ando, Hiroaki Takashima, Akihiro Suzuki, Shinichiro Sakurai, Soichiro Kumagai, Akiyoshi Kurita, Katsuhisa Waseda, Tetsuya Amano
BACKGROUND: Poststent fractional flow reserve (FFR) is a useful indicator of optimal percutaneous coronary intervention, and higher poststent FFR is associated with favorable long-term clinical outcome. However, little is known about the factors influencing poststent FFR. The purpose of this study was to determine the impact of lesion characteristics on poststent FFR. METHODS: For patients who had scheduled stent implantation for stable angina, FFR measurements at maximum hyperemia were performed before and after coronary stent implantation...
December 2016: American Heart Journal
https://www.readbyqxmd.com/read/27914490/bleeding-risk-following-percutaneous-coronary-intervention-in-patients-with-diabetes-prescribed-dual-anti-platelet-therapy
#2
Anna Grodzinsky, Suzanne V Arnold, Tracy Y Wang, Praneet Sharma, Kensey Gosch, Philip G Jones, Deepak L Bhatt, Philippe Gabriel Steg, Darren K McGuire, David J Cohen, John A Spertus, Adnan K Chhatriwalla, Marcus Lind, Garth Graham, Mikhail Kosiborod
BACKGROUND: Patients with diabetes mellitus (DM) experience higher rates of in-stent restenosis and greater benefit from drug-eluting stents implant at the time of percutaneous coronary intervention (PCI), necessitating prolonged dual anti-platelet therapy (DAPT). While DAPT reduces risk of ischemic events post-PCI, it also increases risk of bleeding. Whether bleeding rates differ among patients with and without DM, receiving long-term DAPT is unknown. METHODS: Among patients who underwent PCI and were maintained on DAPT for 1 year in a multicenter US registry, we assessed patient-reported bleeding over one year following PCI in patients with and without DM...
December 2016: American Heart Journal
https://www.readbyqxmd.com/read/27914489/rationale-and-design-of-the-east-west-late-lumen-loss-study-comparison-of-late-lumen-loss-between-eastern-and-western-drug-eluting-stent-study-cohorts
#3
Robert W Harrison, Vaishnavi Radhakrishnan, Peter S Lam, Dominic J Allocco, Sandeep Brar, Martin Fahy, Rebecca Fisher, Fumiaki Ikeno, Philippe Généreux, Takeshi Kimura, Minglei Liu, Weng Kit Lye, Gary S Mintz, Hirofumi Nagai, Yuka Suzuki, Roseann White, John C Allen, Mitchell W Krucoff
BACKGROUND: The contemporary evaluation of novel drug-eluting stents (DES) includes mechanistic observations that characterize postdeployment stent behavior. Quantification of late lumen loss due to neointimal hyperplasia 8-13 months after stent implantation, via quantitative coronary angiography (QCA), constitutes such an observation and is required by most regulatory authorities. Late lumen loss, as determined by QCA, has been validated as a surrogate for clinical endpoints such as target vessel revascularization...
December 2016: American Heart Journal
https://www.readbyqxmd.com/read/27914488/safety-of-6-month-duration-of-dual-antiplatelet-therapy-after-percutaneous-coronary-intervention-in-patients-with-acute-coronary-syndromes-rationale-and-design-of-the-smart-angioplasty-research-team-safety-of-6-month-duration-of-dual-antiplatelet-therapy-after
#4
Joo Myung Lee, Deok-Kyu Cho, Joo-Yong Hahn, Young Bin Song, Taek Kyu Park, Ju-Hyeon Oh, Jin Bae Lee, Joon-Hyung Doh, Sang-Hyun Kim, Jeong Hoon Yang, Jin-Ho Choi, Seung-Hyuck Choi, Sang Hoon Lee, Hyeon-Cheol Gwon
BACKGROUND AND RATIONALE: Dual antiplatelet therapy (DAPT) is a fundamental treatment that optimizes clinical outcomes after percutaneous coronary intervention, especially in patients with acute coronary syndrome (ACS). Although current international guidelines recommend DAPT for at least 12 months after implantation of a drug-eluting stent in patients with ACS, these recommendations are not based on randomized controlled trials dedicated to ACS population. STUDY DESIGN: The SMART-DATE trial is a prospective, multicenter, randomized, and open-label study to demonstrate the noninferiority of 6-month DAPT compared with 12 months or longer DAPT in patients with ACS undergoing percutaneous coronary intervention...
December 2016: American Heart Journal
https://www.readbyqxmd.com/read/27914270/surface-mediated-transfection-of-a-pdna-vector-encoding-short-hairpin-rna-to-downregulate-tgf-%C3%AE-1-expression-for-the-prevention-of-in-stent-restenosis
#5
He Zhang, Ke-Feng Ren, Hao Chang, Jin-Lei Wang, Jian Ji
In-stent restenosis is one of the most serious modes of failure of cardiovascular stent implant. Although drug-eluting stents have been proven to reduce in-stent restenosis, the nonspecific inhibitory effects of anti-proliferative drugs, such as rapamycin, result in delayed re-endothelialization and fatal late stent thrombosis. Although many studies have focused on promoting rapid re-endothelialization, a feasible method of reducing excessive extracellular matrix (ECM) production and cell proliferation might provide a promising way to efficiently inhibit the restenosis in vivo...
November 24, 2016: Biomaterials
https://www.readbyqxmd.com/read/27912973/micro-ureteroscopy-for-the-treatment-of-distal-ureteral-calculi-in-children
#6
Mehmet Mazhar Utanğaç, Ahmet Ali Sancaktutar, Abdulkadir Tepeler
OBJECTIVE: The objective of this study was to demonstrate the efficacy and safety of micro-ureteroscopy (micro-URS) in the management of distal ureteral stones in the pediatric population. MATERIALS AND METHODS: A total of 11 children, who had undergone micro-URS between September 2015 and April 2016 with the indication of distal ureteral calculi in two referral centers, were retrospectively evaluated. The procedures were performed with the patient in the lithotomy position under general anesthesia using the standard URS technique with a micro-ureteroscope that has a caliber of 4...
November 17, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/27909275/-pseudoaneurysm-formation-after-aortic-root-replacement-using-freestyle-porcine-bioprosthesis
#7
Tetsuro Uchida, Azumi Hamasaki, Atsushi Yamashita, Ken Nakamura, Jun Hayashi, Satoko Funata, Seigo Gomi, Mitsuaki Sadahiro
We report a case of pseudoaneurysm formation after implantation of Medtronic Freestyle stentless bioprosthesis with a full root technique. A 65-year-old man previously underwent aortic root replacement with a Freestyle bioprosthesis. Ten years after the initial operation, pseudoaneurysm of the aortic root with a diameter of 6 cm was observed by computed tomography. At the reoperation, there was no sign of infective endocarditis, and the pseudoaneurysm was found to originate from the ruptured left and noncoronary sinuses...
December 2016: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/27908810/emergent-treatment-of-a-ruptured-thoraco-abdominal-aortic-aneurysm-by-off-label-rescue-implantation-of-the-ovation-%C3%A2-stent-graft-in-nonagenarians-patient
#8
Chiara Pranteda, Pasqualino Sirignano, Federica Fornelli, Wassim Mansour, Nunzio Montelione, Laura Capoccia, Francesco Speziale
We report a case of a compassionate treatment of a ruptured thoraco-abdominal aortic aneurysm in a 92-year-old patient. Patient was admitted to our emergency department for acute onset of pain irradiating to the back. Computed tomographic angiography showed the presence of a thoraco-abdominal aortic aneurysm with a contained rupture at infrarenal level. Given of the presence of a relative healthy visceral aorta, we decided to treat the patient by Ovation(®) (Endologix, Irvine, CA - USA) implantation in an off-label fashion...
November 28, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27905013/impact-of-stent-type-and-prolonged-dual-antiplatelet-therapy-on-long-term-clinical-outcomes-in-hemodialysis-patients-with-coronary-artery-disease
#9
Masahiko Asami, Jiro Aoki, Tatsuyuki Sato, Shuzou Tanimoto, Mika Watanabe, Yu Horiuchi, Koichi Furui, Kentaro Yasuhara, Yu Sato, Takuya Hashimoto, Sen Yachi, Kazuhiro Hara, Kengo Tanabe
The aim of this study was to address 7-year clinical outcomes and impact of prolonged dual antiplatelet therapy (DAPT) after coronary stenting in hemodialysis patients. Our study included 123 consecutive hemodialysis patients who had undergone percutaneous coronary intervention with a drug-eluting stent (DES) or bare-metal stent (BMS) (DES: 64, BMS: 59) in our institution. We compared long-term clinical outcomes following DES with BMS implantation as well as clinical outcomes in patients on DAPT for ≥1 year (DAPT on group, 89) with those on DAPT for <1 year (DAPT off group, 34)...
November 30, 2016: Cardiovascular Intervention and Therapeutics
https://www.readbyqxmd.com/read/27903378/-cardiac-perforation-complicated-by-cardiac-tamponade-during-coronary-artery-stent-implantation-a-case-report
#10
Y Tian, Q Wu, C Y Zhang
No abstract text is available yet for this article.
October 24, 2016: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/27901002/shorter-versus-longer-duration-dual-antiplatelet-therapy-in-patients-with-diabetes-mellitus-undergoing-drug-eluting-stents-implantation-a-meta-analysis-of-randomized-controlled-trials
#11
He Huang, Ya Li, Yu Chen, Guo-Sheng Fu
BACKGROUND: Patients with diabetes mellitus (DM) have a higher risk of thromboembolic events; however, the optimal duration of dual antiplatelet therapy (DAPT) remains unclear. The goal of this study was to assess the efficacy and safety of various DAPT durations in patients with DM undergoing drug-eluting stent implantation. METHODS: We conducted a literature search for randomized controlled trials (RCTs). We searched databases including EMBASE, PubMed, Cochrane Library, and Scopus up to June 2016...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27899941/influence-of-increased-epicardial-adipose-tissue-volume-on-1-year-in-stent-restenosis-in-patients-who-received-coronary-stent-implantation
#12
Ying Zhou, Hua-Wei Zhang, Feng Tian, Jin-Song Chen, Tian-Wen Han, Ya-Hang Tan, Jia Zhou, Tao Zhang, Jing Jing, Yun-Dai Chen
BACKGROUND: Epicardial adipose tissue (EAT) is significantly associated with the formation and composition of coronary atherosclerotic plaque, cardiac events and the clinical prognosis of coronary heart disease. But, whether increased EAT deposition may affect the incidence of in-stent restenosis (ISR) is currently unclear. This study used coronary computed tomography angiography (CCTA) as a mean to investigate whether increased EAT volume was associated with ISR. METHODS: A total of 364 patients who underwent 64-slice CCTA examination for the evaluation of suspected coronary artery disease, and subsequently underwent percutaneous coronary intervention (PCI) for the first time, and then accepted coronary angiography (CA) follow-up for ISR examination in one year, were retrospectively included in this study...
September 2016: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/27899866/paradoxical-hypertension-after-successful-cheatham-platinum-stent-implantation-in-an-adolescent-with-coarctation-of-the-aorta
#13
Yin Ling Tan, Wan-Ling Chih, Jou-Kou Wang, Chun-An Chen
Stent implantation using a Cheatham Platinum (CP) stent for coarctation of the aorta (CoA) is a promising treatment alternative to traditional surgical repair. However, there are no earlier reports in the literature focusing on use of this stent in a Taiwanese patient. Herein we report a 16-year-old boy with CoA presenting with heart murmur and exercise intolerance who underwent successful CP stent placement. However, severe hypertension with arterial blood pressure increasing to 207/104 mmHg occurred four hours after stent implantation...
November 2016: Acta Cardiologica Sinica
https://www.readbyqxmd.com/read/27899119/clinical-outcome-and-hemodynamic-behavior-of-the-labcor-dokimos-plus-aortic-valve
#14
Torsten Christ, Konstantin Zhigalov, Wolfgang Konertz, Sebastian Holinski
BACKGROUND: The Labcor Dokimos Plus (LDP) is a stented externally mounted pericardial aortic bioprosthesis, which was recently introduced in Europe. Aims of the study are evaluation of operative and postoperative results as well as hemodynamic performance. METHODS: One hundred consecutive patients with a mean age of 65.9 ± 10.7 years (range 35-87) and a mean EuroSCORE II of 3.1 ± 3.9 (range 0.67-24.5) underwent aortic valve replacement with the LDP. Mean valve-size was 25...
November 29, 2016: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/27897030/influence-of-cardiac-motion-on-stent-lumen-visualization-in-third-generation-dual-source-ct-employing-a-pulsatile-heart-model
#15
Nils Petri, Tobias Gassenmaier, Thomas Allmendinger, Thomas Flohr, Wolfram Voelker, Thorsten A Bley
OBJECTIVE: To detect an in-stent restenosis an invasive coronary angiography is commonly performed. Due to the risk associated to this procedure, a non-invasive method to detect or exclude an in-stent restenosis is desirable. The purpose of this study was to evaluate the influence of cardiac motion on stent lumen visibility in a third-generation dual-source CT scanner (SOMATOM Force, Siemens Healthcare, Forchheim, Germany), employing a pulsatile heart model (CoroSim by Mecora). METHODS: Thirteen coronary stents with a diameter of 3...
November 29, 2016: British Journal of Radiology
https://www.readbyqxmd.com/read/27896843/impact-of-clinical-presentation-on-early-vascular-healing-after-bioresorbable-vascular-scaffold-implantation
#16
Moritz Baquet, Christoph Brenner, Maximilian Wenzler, Madeleine Eickhoff, Jochheim David, Stefan Brunner, Hans Theiss, Steffen Massberg, Giulio Guagliumi, Julinda Mehilli
BACKGROUND: Optimal strut coverage and early vascular healing are important factors to reduce the risk of stent thrombosis. Data on early vascular healing with the new bioresorbable vascular scaffolds (BVS) are lacking. Further, healing response after BVS implantation in different clinical presentation has not been fully investigated. METHODS AND RESULTS: We assessed with optical coherence tomography (OCT) the early vascular response to BVS implantation in 26 consecutive patients presenting with acute coronary syndrome (ACS) or stable angina (SA)...
November 28, 2016: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/27894264/optical-coherence-tomography-findings-after-longitudinal-ablation-for-an-underexpanded-stent-in-a-heavily-calcified-lesion-a-case-report
#17
Masahiro Koide, Keiji Inoue, Akiko Matsuo, Hiroshi Fujita
BACKGROUND: Heavy coronary artery calcification is responsible for stent underexpansion, which is associated with increased in-stent restenosis. Here we report a case in which optical coherence tomography (OCT) demonstrated that the metal component of an underexpanded stent previously implanted in a heavy calcified lesion had been completely removed after ablation with rotational atherectomy. CASE PRESENTATION: An 83-year-old man with exertional angina was referred to our hospital...
November 29, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27894260/high-platelet-reactivity-affects-the-clinical-outcomes-of-patients-undergoing-percutaneous-coronary-intervention
#18
Jun-Jie Zhang, Xiao-Fei Gao, Zhen Ge, Nai-Liang Tian, Zhi-Zhong Liu, Song Lin, Fei Ye, Shao-Liang Chen
BACKGROUND: The association of platelet reactivity and clinical outcomes, especially stent thrombosis, was not so clear. We sought to investigate whether high platelet reactivity affects clinical outcomes of patients with drug eluting stents (DESs) implantation. METHODS: All enrolled individuals treated with DESs implantation were evaluated by PL-11, using sequentially platelet counting method. The primary end point was the occurrence of definite and probable stent thrombosis at 2 years...
November 29, 2016: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/27890849/hybrid-treatment-of-a-suprarenal-aortic-aneurysm-with-an-infrarenal-aorto-bifemoral-surgical-graft-and-a-fenestrated-stent-graft
#19
Sebastian Nagel, Athanasios Katsargyris, Kyriakos Oikonomou, Eric L G Verhoeven
PURPOSE: To report a hybrid technique for the treatment of a suprarenal aortic aneurysm (SAA) in a patient with iliac occlusive disease. Initially an infrarenal aorto-bifemoral surgical graft was implanted, followed by deployment of a fenestrated bifurcated stent-graft at the suprarenal part of the aorta. CASE REPORT: A 69-year old man presented with a 51-mm saccular SAA and iliac occlusive disease with intermittent claudication. Both common iliac arteries had been previously treated with kissing stents...
November 24, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27890833/pulse-wave-analysis-after-treatment-of-abdominal-aortic-aneurysms-with-the-ovation-device
#20
Efstratios Georgakarakos, Christos Argyriou, George S Georgiadis, Miltos K Lazarides
BACKGROUND: Ovation Aortic Stent-Graft System is a new device for the endovascular treatment of Abdominal Aortic Aneurysms achieving fixation via a 35-mm long, rigid ancored suprarenal stent and sealing stent at the infrarenal level by a means of a polymer-filling pair of inflatable O-rings which cause narrowing of flow lumen and regional stenosis. Thus, concerns have been raised regarding hemodynamic consequences associated with this new desing . Our preliminary report showed no significant increase of aortic pulse wave velocity (aPWV) immediately after implantation of the Ovation in 3 patients...
November 24, 2016: Annals of Vascular Surgery
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