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https://www.readbyqxmd.com/read/28640875/percutaneous-coronary-intervention-in-left-main-coronary-artery-disease-with-or-without-intravascular-ultrasound-a-meta-analysis
#1
Yicong Ye, Ming Yang, Shuyang Zhang, Yong Zeng
This meta-analysis compared IVUS-guided with angiography-guided PCI to determine the effect of IVUS on the mortality in patients with LM CAD. Current guidelines recommend intravascular ultrasound (IVUS)-guided percutaneous coronary intervention (PCI) in patients with left main coronary artery disease (LM CAD; Class IIa, level of evidence B). A systematic search of the MEDLINE, Embase, and Cochrane Central Register of Controlled Trials databases was conducted to identify randomized or non-randomized studies comparing IVUS-guided PCI with angiography-guided PCI in LM CAD...
2017: PloS One
https://www.readbyqxmd.com/read/28631258/long-term-effects-of-rotational-atherectomy-in-patients-with-heavy-calcified-coronary-artery-lesions-a-single-centre-experience
#2
Stanisław Bartuś, Rafał Januszek, Jacek Legutko, Łukasz Rzeszutko, Artur Dziewierz, Dariusz Dudek
BACKGROUND: Rotational atherectomy (RA) plays a significant role in contemporary percutaneous coronary interventions (PCI), especially in the era of population aging and expansion of PCI indications. AIM: The aim of the current study was to evaluate the rate of periprocedural complications, the long-term effectiveness of RA, and potential factors influencing the incidence of major adverse cardiac events (MACE) and major cardiac as well as cerebrovascular events (MACCE) after RA...
2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28629432/imaging-of-%C3%AE-v%C3%AE-3-integrin-expression-in-experimental-myocardial-ischemia-with-68-ga-nodaga-rgd-positron-emission-tomography
#3
Maria Grönman, Miikka Tarkia, Tuomas Kiviniemi, Paavo Halonen, Antti Kuivanen, Timo Savunen, Tuula Tolvanen, Jarmo Teuho, Meeri Käkelä, Olli Metsälä, Mikko Pietilä, Pekka Saukko, Seppo Ylä-Herttuala, Juhani Knuuti, Anne Roivainen, Antti Saraste
BACKGROUND: Radiolabeled RGD peptides detect αvβ3 integrin expression associated with angiogenesis and extracellular matrix remodeling after myocardial infarction. We studied whether cardiac positron emission tomography (PET) with [(68)Ga]NODAGA-RGD detects increased αvβ3 integrin expression after induction of flow-limiting coronary stenosis in pigs, and whether αvβ3 integrin is expressed in viable ischemic or injured myocardium. METHODS: We studied 8 Finnish landrace pigs 13 ± 4 days after percutaneous implantation of a bottleneck stent in the proximal left anterior descending coronary artery...
June 19, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28625387/design-and-rationale-for-the-influenza-vaccination-after-myocardial-infarction-iami-trial-a-registry-based-randomized-clinical-trial
#4
Ole Fröbert, Matthias Götberg, Oskar Angerås, Lena Jonasson, David Erlinge, Thomas Engstrøm, Jonas Persson, Svend E Jensen, Elmir Omerovic, Stefan K James, Bo Lagerqvist, Johan Nilsson, Amra Kåregren, Rasmus Moer, Cao Yang, David B Agus, Andrejs Erglis, Lisette O Jensen, Lars Jakobsen, Evald H Christiansen, John Pernow
BACKGROUND: Registry studies and case-control studies have demonstrated that the risk of acute myocardial infarction (AMI) is increased following influenza infection. Small randomized trials, underpowered for clinical end points, indicate that future cardiovascular events can be reduced following influenza vaccination in patients with established cardiovascular disease. Influenza vaccination is recommended by international guidelines for patients with cardiovascular disease, but uptake is varying and vaccination is rarely prioritized during hospitalization for AMI...
July 2017: American Heart Journal
https://www.readbyqxmd.com/read/28614245/wellens-syndrome-in-hiv-infected-patients-two-case-reports
#5
Bowei Tan, Carlos Morales-Mangual, Dan Zhao, Abdullah Khan, Hal Chadow
BACKGROUND: Wellens syndrome is a pattern of electrocardiographic (ECG) changes in the context of unstable angina characterized with deep inverted T-waves or biphasic T-waves in the precordial leads. These specific ECG changes are highly suggestive of stenosis in the left anterior descending artery (LAD), which can result in acute myocardial infarction, left ventricular dysfunction, or death. Human immunodeficiency virus (HIV) infection is known as an independent risk factor for the cardiovascular disease...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28612280/mid-term-and-long-term-safety-and-efficacy-of-bioresorbable-vascular-scaffolds-versus-metallic-everolimus-eluting-stents-in-coronary-artery-disease-a%C3%A2-weighted-meta-analysis-of-seven-randomised-controlled-trials-including-5577-patients
#6
J Elias, I M van Dongen, R P Kraak, R Y G Tijssen, B E P M Claessen, J G P Tijssen, R J de Winter, J J Piek, J J Wykrzykowska, J P S Henriques
AIMS: Mid- and long-term safety and efficacy of the Absorb bioresorbable vascular scaffold (BVS) have been studied in randomised trials; however, most were not individually powered for clinical endpoints. We performed a weighted meta-analysis comparing mid- and long-term outcomes in patients treated with the BVS compared with the Xience metallic stent. METHODS AND RESULTS: Randomised trials comparing the BVS and Xience were identified by searching MEDLINE, EMBASE and conference abstracts...
June 13, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28606023/over-expansion-of-drug-eluting-stents-in-patients-with-left-main-coronary-artery-disease-an-in%C3%A2-vivo-study
#7
Yicong Ye, Hao Qian, Ming Yang, Xueqing Zhu, Tianpeng Gan, Shuyang Zhang, Yong Zeng
Objective We aimed to determine the capacity of drug-eluting stent (DES) over-expansion in left main coronary artery disease. Methods Left main interventions with the largest available DES platforms (4.0 mm) and post-dilation performed with large non-compliant balloons (≥ 4.5 mm) were included. Maximal stent diameter (mm) and area (mm(2)) were measured using post-intervention intravascular ultrasound (IVUS). Stent diameter and area were calculated with the balloon diameter and inflation pressure. The diameter and area expansion indices were defined as follows: maximal/calculated stent diameter and maximal/calculated stent area, respectively...
January 1, 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28595696/left-main-coronary-artery-compression-in-patients-with-pulmonary-arterial-hypertension-and%C3%A2-angina
#8
Nazzareno Galiè, Francesco Saia, Massimiliano Palazzini, Alessandra Manes, Vincenzo Russo, Maria Letizia Bacchi Reggiani, Gianni Dall'Ara, Enrico Monti, Fabio Dardi, Alessandra Albini, Andrea Rinaldi, Enrico Gotti, Nevio Taglieri, Cinzia Marrozzini, Luigi Lovato, Maurizio Zompatori, Antonio Marzocchi
BACKGROUND: Left main coronary artery (LMCA) compression is increasingly recognized as a cause of angina in pulmonary arterial hypertension (PAH). OBJECTIVES: This study aimed to evaluate the prevalence of LMCA extrinsic compression from a dilated pulmonary artery (PA) in patients with PAH and angina or angina-like symptoms, determine the usefulness of screening with computed tomography coronary angiography (CTCA), and assess the safety and efficacy of percutaneous coronary interventions (PCIs)...
June 13, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28588172/primary-angioplasty-for-the-treatment-of-acute-st-elevated-myocardial-infarction-single-centre-experience
#9
K N Khan, M H Khan, R Rahman, M A Rashid, S Z Haque, Z Zakia
Worldwide primary angioplasty is a recommended strategy of reperfusion in patient with acute myocardial infarction as because it ensures reperfusion of the infarct-related vessels more than 90% whereas, with thrombolytics it is only 60-70%. This retrospective observational study includes all patients treated with primary angioplasty at United Hospital from Between March 2007 to January 2011. Total 114 consecutive patients with acute myocardial infarction were treated with primary angioplasty included. Those presented beyond 12 hours of onset of chest pain, in cardiogenic shock, resuscitate and intubated before the procedure were excluded from the study...
April 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28587369/efficacy-and-indications-of-transradial-and-transfemoral-approaches-for-peripheral-artery-stent-implantation
#10
Peng Chen, Huijie Li, Chunyu Zeng, Yuqiang Fang, Weibin Shi, Xiaoqun Zhang, Chengming Yang
The transradial approach (TRA) has become an attractive alternative to the transfemoral approach (TFA) in percutaneous coronary intervention. To date, however, these two approaches have not been systematically compared in various percutaneous peripheral artery interventions (PPAIs). In the present study 258 patients with peripheral artery disease that underwent PPAI via the TRA (n=75) or the TFA (n=183) were analyzed. Clinical factors and outcomes in these two groups were compared. The puncture time was significantly longer (P<0...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28581259/clinical-implication-of-optical-coherence-tomography-based-neoatherosclerosis
#11
REVIEW
Sung Jin Hong, Seung Yul Lee, Myeong Ki Hong
Recent research has indicated neoatherosclerosis (NA), the de novo development of atherosclerosis within the neointimal region of the stented segment after coronary stent implantation, as a mechanism of late/very late stent thrombosis (VLST) and restenosis. This research is based on histologic and intravascular imaging studies. Optical coherence tomography (OCT) is an imaging tool that is superior with regard to resolution capacity, and can be used to visualize detailed information about distinct morphological characteristics of the restenotic tissue...
July 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28579236/biodegradable-polymer-biolimus-eluting-stents-versus-durable-polymer-everolimus-eluting-stents-in-patients-with%C3%A2-coronary-artery-disease-final-5-year-report-from-the-compare-ii-trial-abluminal%C3%A2-biodegradable-polymer-biolimus-eluting-stent-versus-durable-polymer
#12
Georgios J Vlachojannis, Pieter C Smits, Sjoerd H Hofma, Mario Togni, Nicolás Vázquez, Mariano Valdés, Vassilis Voudris, Ton Slagboom, Jean-Jaques Goy, Peter den Heijer, Martin van der Ent
OBJECTIVES: This analysis investigates the 5-year outcomes of the biodegradable polymer biolimus-eluting stent (BP-BES) and durable polymer everolimus-eluting stent (DP-EES) in an all-comers population undergoing percutaneous coronary intervention. BACKGROUND: Recent 1- and 3-year results from randomized trials have indicated similar safety and efficacy outcomes of BP-BES and DP-EES. Whether benefits of the biodegradable polymer device arise over longer follow-up is unknown...
May 24, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28566599/simultaneous-idiopathic-dissections-of-the-coronary-and-superior-mesenteric-arteries
#13
Masato Nishi, Daisuke Sueta, Takashi Miyazaki, Kenji Sakamoto, Eiichiro Yamamoto, Yasuhiro Izumiya, Kenichi Tsujita, Sunao Kojima, Koichi Kaikita, Osamu Ikeda, Yasuyuki Yamashita, Seiji Hokimoto
A 49-year-old man complained of sudden upper abdominal pain but was not given a definitive diagnosis. The day after he was discharged, he noticed left chest pain. An in-depth electrocardiogram indicated acute myocardial infarction, and emergent coronary angiography revealed 99% stenosis of his left coronary artery. An intravascular ultrasound revealed spontaneous coronary artery dissection (SCAD), and the lesion was successfully stented. In an atherosclerosis screening, superior mesenteric artery dissection (SMAD) was confirmed, after which the lesion was successfully stented...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28561235/how-long-does-it-take-for-clopidogrel-and-ticagrelor-to-inhibit-platelets-in-patients-undergoing-primary-percutaneous-coronary-intervention-a-detailed-pharmacodynamic-analysis-time-course-of-platelet-reactivity-in-stemi-tops
#14
Thomas O Bergmeijer, Thea C Godschalk, Paul W A Janssen, Kim van den Berge, Nicoline J Breet, Johannes C Kelder, Christian M Hackeng, Jurriën M Ten Berg
Antiplatelet therapy plays a pivotal role in patients with an ST-segment elevation myocardial infarction (STEMI) to prevent further atherothrombotic events, such as stent thrombosis. Although the risk of stent thrombosis is highest in the first hours after primary percutaneous coronary intervention (pPCI), little is known about when an adequate level of platelet inhibition is achieved following a clopidogrel or ticagrelor loading dose in STEMI patients. Patients presenting with STEMI in whom pPCI was performed and who were loaded with 600 mg clopidogrel or 180 mg ticagrelor were eligible for enrolment in this nonrandomized, open label, single-center study...
June 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28559388/stress-testing-after-percutaneous-coronary-interventions-a-population-based-study
#15
Simina R Luca, Maria Koh, Feng Qiu, David A Alter, Akshay Bagai, R Sacha Bhatia, Andrew Czarnecki, Shaun G Goodman, Ching Lau, Harindra C Wijeysundera, Dennis T Ko
BACKGROUND: Routine stress testing is commonly used after percutaneous coronary intervention (PCI) to detect in-stent restenosis or suboptimal procedure results; however, recent studies suggest that such testing is rarely indicated. Our main objectives were to assess temporal trends in utilization of stress testing and to determine factors associated with its use. METHODS: We conducted an observational study involving all patients who had undergone PCI in Ontario, Canada, from Apr...
May 26, 2017: CMAJ Open
https://www.readbyqxmd.com/read/28546033/long-term-follow-up-of-first-generation-versus-new-generation-drug-eluting-stents-in-three-vessel-coronary-artery-disease
#16
Toru Yoshizaki, Toru Naganuma, Tsuyoshi Kobayashi, Takeo Horikoshi, Hirokazu Onishi, Hiroyoshi Kawamoto, Shotaro Nakamura, Sunao Nakamura
BACKGROUNDS: Few reports have primarily focused on long-term clinical outcomes in three-vessel disease when patients were treated with either first- or new-generation drug-eluting stents (DES). The purpose of this study was to investigate different clinical outcomes after percutaneous coronary intervention (PCI) for three-vessel disease with first- or new-generation DES. METHODS: Between January 2007 and December 2013, a total of 200 patients who received complete revascularization of three-vessel disease with either first-generation DES (n=85) or new-generation DES (n=115) were analyzed in this retrospective study...
April 21, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28532066/design-and-characterization-of-a-novel-nickel-free-cobalt-base-alloy-for-intravascular-stents
#17
Qiang Wang, Yibin Ren, M Babar Shahzad, Wei Zhang, Xumeng Pan, Song Zhang, Dan Zhang
Co-Cr-W-Ni alloy (L605) with high tensile strength is used in coronary stents. The thickness of individual strut of the stent is reduced which can decrease the stent restenosis rate. However, about 10% Ni element content in L605 is found to cause allergic reactions and pulmonary embolism, similar to the traditional 316L stainless steel. In this study, a novel nickel-free cobalt-base alloy Co-20Cr-12Fe-18Mn-2Mo-4W-N (wt%) was designed and fabricated in order to efficiently avoid the potential hazards of Ni element...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28508393/reversed-single-string-technique-for-coronary-bifurcation-stenting-first-report-of-case-demonstrations-in-vitro
#18
Julien Adjedj, Gabor G Toth, Mariano Pellicano, William Wijns
OBJECTIVES: This work reports the concept and the practical feasibility of Reversed Single String bifurcation stenting technique by demonstrating three in vitro cases. BACKGROUND: Provisional T stenting is the most used interventional technique to treat coronary bifurcation lesions. However, after main branch (MB) stenting, treatment of the side branch (SB) may become indicated to provide a good final result. Currently applied methods all have their structural limitations with respect to wall coverage, multiple strut layers, poor apposition rate...
May 16, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28504232/portugal-coronary-and-structural-heart-interventions-from-2010-to-2015
#19
Rui Campante Teles, Gustavo Pires-Morais, Pedro Canas da Silva, Rui Cruz Ferreira, Manuel de Sousa Almeida, Filipe Seixo, Marco Costa, Vasco Gama Ribeiro, Jorge Marques, João Carlos Silva, Hélder Pereira, Pedro Farto E Abreu, Henrique Carvalho, Eduardo Infante de Oliveira
The aim of the present paper is to report trends in Portuguese interventional cardiology from 2010 to 2015. We studied data from the prospective multicentre Portuguese National Registry of Interventional Cardiology (RNCI) to analyse percutaneous coronary intervention (PCI) procedures and structural heart interventions from 2010 to 2015. A total of 73,977 PCIs and 780 transcatheter aortic valve implants were performed during the study period. Since 2010 there has been a 60% increase in PCI procedures and a twofold increase in primary angioplasty rates reaching 316 per million population...
May 15, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28504231/poland-coronary-and-structural-heart-interventions-from-2010-to-2015
#20
Jacek Legutko, Zbigniew Siudak, Radosław Parma, Andrzej Ochała, Dariusz Dudek
For the last five years, invasive cardiology in Poland has developed extensively. Currently, 98% of the 161 Polish cathlabs operate in 24/7 mode, 37 of them supported by cardiac surgery departments on-site. A certification curriculum for interventional cardiology operators is supported by dedicated workshops and scientific meetings during national conferences. The rise in the number of coronary angiographies and PCIs was paralleled by an increased use of drug-eluting stents, bioresorbable vascular scaffolds and physiologic assessment of coronary arteries...
May 15, 2017: EuroIntervention
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