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Coronary stent

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https://www.readbyqxmd.com/read/28102821/salmonella-enteritidis-mycotic-aneurysm-of-stented-saphenous-vein-graft-to-coronary-artery
#1
Arka Chatterjee, Jeremy S White, Benjamin Tuck, James E Davies
No abstract text is available yet for this article.
November 28, 2016: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28102661/coronary-aneurysm-formation-following-bare-metal-stent-implantation-an-optical-coherence-tomography-evaluation
#2
Alessandro DI Giorgio, Francesco Costa, Vittorio Virga, Francesco Saporito
No abstract text is available yet for this article.
April 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28102660/self-positioning-properties-of-dedicated-bifurcation-coronary-stent-bioss-lim%C3%A2-in-the-eye-of-3d-optical-coherence-tomography
#3
Jacek Bil, Maik J Grundeken, Tomasz Pawłowski, Robert J Gil
No abstract text is available yet for this article.
April 2017: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/28101172/adenosine-triphosphate-stress-99m-tc-methoxyisobutylisonitrile-gated-myocardial-perfusion-imaging-efficacy-in-diagnosing-stent-restenosis-following-coronary-stent-implantation
#4
Pengfei Zhang, Song Chen, Yang Li, Qiuhong Du, Lijuan Wang, Yingxian Sun, Yaming Li
Coronary stent restenosis rate following implantation is considerably high. The adenosine stress gated myocardial perfusion imaging (G-MPI) method has been widely used in the diagnosis, risk stratification and prognosis evaluation of coronary heart disease; however, the high cost of adenosine limits its clinical application. The aim of the present study was to investigate the efficacy of adenosine triphosphate (ATP) stress (99m)Tc-methoxyisobutylisonitrile ((99m)Tc-MIBI) G-MPI for diagnosis in-stent restenosis following coronary stent implantation...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28100876/primary-percutaneous-coronary-intervention-followed-by-valve-surgery-for-acute-coronary-syndrome-at-left-main-trunk-complicated-with-severe-aortic-stenosis
#5
Akira Shikuma, Jun Shiraishi, Kazunari Okawa, Masaki Yashige, Keisuke Shoji, Daisuke Ito, Masayoshi Kimura, Eigo Kishita, Yusuke Nakagawa, Masayuki Hyogo, Akiyuki Takahashi, Takahisa Sawada
An 89-year-old woman appeared to have acute coronary syndrome at the left main trunk (LMT) complicated with severe aortic stenosis, moderate-severe mitral regurgitation, depressed left ventricular (LV) function, and multivessel disease. Because of sustained hypotension even under intra-aortic balloon pumping support during emergency coronary angiograhy, we performed primary percutaneous coronary intervention solely for the LMT lesion using a bare metal stent, leading to recovery from the shock state. On the second hospital day, based on our heart-team consensus, we performed aortic valve replacement and coronary artery bypass grafting surgery, and added edge-to-edge repair (Alfieri stitch) of the mitral valve, resulting in complete revascularization and dramatically improved LV function...
January 17, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28100351/-research-progress-on-treatment-of-non-in-stent-restenosis-coronary-artery-lesions-by-drug-eluting-balloon
#6
K Y Cui, S Z Lyu, X T Song
No abstract text is available yet for this article.
January 25, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28100341/-comparison-on-the-long-term-outcomes-post-percutaneous-coronary-intervention-or-coronary-artery-bypass-grafting-for-bifurcation-lesions-in-unprotected-left-main-coronary-artery
#7
B G Yang, X P Yu, F Chen, S Z Lyu, Q Li, J Q He, F Yuan
Objective: To compare the long-term clinical outcomes of consecutive patients treated with coronary artery bypass grafting (CABG) or percutaneous coronary intervention(PCI) with drug-eluting stents (DES) for bifurcation lesions in unprotected left main coronary artery (ULMCA). Methods: A total of 663 consecutively patients with unprotected left main bifurcation disease (defined as stenosis≥50%) who received either drug-eluting stents (DES) implantation (n=316) or underwent CABG (n=347) between January 2003 and July 2009 in Beijing Anzhen Hospital were enrolled retrospectively in this study...
January 25, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28100120/hybrid-stage-i-procedure-as-initial-palliation-for-neonate-with-hypoplastic-left-heart-syndrome-and-right-congenital-diaphragmatic-hernia
#8
Draginja Cvetkovic, Joseph Giamelli, Michael Lyew, Markus Erb, Suvro Sett, Youmna DiStefano
During the past decade, a hybrid procedure has emerged and dramatically evolved as an alternative stage I palliation to the conventional Norwood procedure in neonates with hypoplastic left heart syndrome (HLHS). The hybrid approach avoids the need for cardiopulmonary bypass (CPB) utilizing stenting of the arterial duct and bilateral pulmonary artery banding. Cerebral and coronary perfusion pressure is maintained, and the pulmonary vasculature is protected from higher systemic pressure. Elimination of risks associated with CPB gains vital time to stabilize the patient and correct coexisting noncardiac anomalies and allows growth in preparation for the later stages of the Fontan pathway...
January 1, 2017: Seminars in Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28099219/a-review-of-the-clinical-utility-of-intravascular-ultrasound-ivus-and-optical-coherence-tomography-oct-in-the-assessment-and-treatment-of-coronary-artery-disease
#9
Stephen Daniel Matthews, William H Frishman
Coronary artery disease (CAD) remains one of the leading causes of morbidity and mortality in the United States. As a medical society, we continue to search for ways to better treat CAD and prevent acute coronary syndrome (ACS). As it stands, only statins and anti-platelets agents have been proven to significantly reduce the occurrence of ACS. A histopathological understanding of the pathogenesis of ACS has provided insight into the importance of plaque morphology. Therefore, it has been proposed that increasing the ability to detect true vulnerable, "at-risk" lesions, would foster the use of percutaneous coronary intervention as a means for the prevention of ACS...
January 11, 2017: Cardiology in Review
https://www.readbyqxmd.com/read/28097197/early-coronary-thrombosis-without-st-segment-elevation-following-repair-of-acute-aortic-dissection
#10
Davide Carino, Francesco Nicolini, Giorgio Romano, Matteo Ricci, Tiziano Gherli
Acute coronary thrombosis after emergent surgery for acute Type A aortic dissection is a rare event that can remain undiagnosed in absence of typical electrocardiogram readings. We report a case of left anterior descending artery thrombosis without ST-segment elevation three days after surgical repair, which was successfully treated with angioplasty and stenting.
August 2016: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/28096049/monoenergetic-reconstructions-for-imaging-of-coronary-artery-stents-using-spectral-detector-ct-in-vitro-experience-and-comparison-to-conventional-images
#11
Tilman Hickethier, Bettina Baeßler, Jan Robert Kroeger, Jonas Doerner, Gregor Pahn, David Maintz, Guido Michels, Alexander C Bunck
PURPOSE: Accurate assessment of coronary stents using non-invasive CT imaging remains challenging despite new stent materials and improvements in CT technology. Virtual monoenergetic (monoE) images reconstructed from dual energy CT acquisitions potentially decrease artifacts caused by coronary stents. A novel spectral detector technology provides monoE and conventional images simultaneously for all conducted scans. The purpose of our study was to systematically investigate the influence of different monoE reconstructions on the visualization of coronary stent lumen in comparison to conventional images...
January 3, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28096040/calcium-a-predictor-of-interventional-treatment-failure-across-all-fields-of-cardiovascular-medicine
#12
EDITORIAL
Alessio Mattesini, Carlo Di Mario
In this substudy of the ADAPT-DES trial Généreux et al. compared two years outcomes according to the presence or absence of coronary artery calcification (CAC) as assessed by coronary angiography. Coronary calcification was an independent predictor of interventional treatment failure and a higher incidence of both ischemic events and bleeding. The cohort with CAC was older with a higher prevalence of risk factors and comorbidities and an increased anatomical complexity of the target lesions, explaining only in part the worse outcome of the CAC population that persisted at multivariate analysis...
January 10, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28094166/carotid-stenting-prior-to-coronary-bypass-surgery-an-updated-systematic-review-and-meta-analysis
#13
REVIEW
K I Paraskevas, S Nduwayo, A N Saratzis, A R Naylor
OBJECTIVES: The aim was to determine 30-day outcomes in patients with concurrent carotid and cardiac disease who underwent carotid artery stenting (CAS) followed by coronary artery bypass grafting (CABG). METHODS: This was a systematic review with searches of PubMed/Medline, Embase, and Cochrane databases. "Same-day" procedures involved CAS + CABG being performed on the same day, and "staged" interventions involved at least 1 day's delay between undergoing CAS and then CABG...
January 13, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28093243/clinical-study-on-efficacy-of-allopurinol-in-patients-with-acute-coronary-syndrome-and-its-functional-mechanism
#14
Ying Huang, Chunya Zhang, Zhiqing Xu, Jinghua Shen, Xiaogang Zhang, Huanhua Du, Kanjian Zhang, Daifu Zhang
OBJECTIVE: To investigate the therapeutic effect of allopurinol treatment on acute coronary syndrome and to elucidate its possible mechanism. METHODS: Patients with acute coronary syndrome (n=100) were recruited as research subjects in our hospital. The patients were randomly divided into two groups (allopurinol group, n = 50) and control group, n= 50). These two groups were treated with conventional antiplatelet, anticoagulation and anti-ischemic therapy, while allopurinol was added to allopurinol group based on conventional treatment...
January 13, 2017: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/28092507/real-time-intravascular-ultrasound-and-photoacoustic-imaging
#15
Donald VanderLaan, Andrei B Karpiouk, Doug Yeager, Stanislav Emelianov
Combined intravascular ultrasound and intravascular photoacoustic (IVUS/IVPA) imaging is an emerging hybrid modality being explored as a means of improving the characterization of atherosclerotic plaque anatomical and compositional features. While initial demonstrations of the technique have been encouraging, they have been limited by catheter rotation and data acquisition, displaying, and processing rates on the order of several seconds per frame as well as the use of off-line image processing. Herein, we present a complete IVUS/IVPA imaging system and method capable of real-time IVUS/IVPA imaging, with online data acquisition, image processing, and display of both IVUS and IVPA images...
January 2017: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/28090817/coronary-or-ventricular-rupture-after-blunt-chest-trauma-a-clinical-dilemma
#16
Anton Sabashnikov, Guido Michels, Javid Fatullayev, Kaveh Eghbalzadeh, Mohamed Zeriouh, Stephan Baldus, Jens Wippermann, Thorsten Wahlers, Navid Madershahian
Cardiac rupture (CR) is one of the most serious and life-threatening complications of blunt chest trauma (BCT) usually associated with high mortality. Moreover, its diagnosis and treatment strategies may be extremely challenging for clinicians due to various anatomical localisations of the tear. Whereas most injuries fall under the category of right atrial ruptures, left ventricular lesions represent a rare type of this injury, with greater mortality, particularly in cases of multi-chamber injuries. However, not only cardiac chamber or great vessel ruptures may occur as a result of BCT; a growing number of reports also describe BCT-induced isolated coronary artery injuries, including ruptures...
January 1, 2017: Perfusion
https://www.readbyqxmd.com/read/28089999/impact-of-impaired-renal-function-in-patients-with-severely-calcified-coronary-lesions-treated-with-orbital-atherectomy
#17
Michael S Lee, Evan Shlofmitz, Gentian Lluri, Richard A Shlofmitz
OBJECTIVES: We evaluated the clinical outcomes of patients with chronic kidney disease (CKD) who underwent orbital atherectomy for severe coronary artery calcification (CAC) prior to stent implantation. BACKGROUND: Percutaneous coronary intervention (PCI) of lesions with severe CAC is associated with increased rates of adverse clinical events. Patients with CKD are at increased risk for atherosclerotic cardiovascular disease, including vascular calcification, and have worse outcomes after PCI...
January 15, 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28089779/percutaneous-coronary-intervention-of-chronically-occluded-saphenous-vein-grafts-using-excimer-laser-atherectomy-as-an-adjuvant-therapy
#18
Mohsen Mohandes, Sergio Rojas, Mauricio Torres, Cristina Moreno, Francisco Fernández, Jordi Guarinos, Alfredo Bardají
We present two cases with chronic total occlusion of the saphenous vein graft in two patients with a history of previous bypass surgery with unfavorable anatomic features for recanalization of the native coronary artery. In the first case, two dedicated attempts for recanalization of chronic total occlusion of the native artery failed and in the second case there was not an adequate visualization of the native vessel beyond the occlusion point, not even by contralateral injection. Excimer laser atherectomy was used in both cases as an adjuvant therapy during recanalization of the saphenous vein graft in combination with a distal protection device in order to reduce distal embolization...
December 27, 2016: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28089778/image-noise-reduction-technology-reduces-radiation-in-a-radial-first-cardiac-catheterization-laboratory
#19
Ateka Gunja, Yagya Pandey, Hui Xie, Beata M Wolska, Adhir R Shroff, Amer K Ardati, Mladen I Vidovich
BACKGROUND: Transradial coronary angiography (TRA) has been associated with increased radiation doses. We hypothesized that contemporary image noise reduction technology would reduce radiation doses in the cardiac catheterization laboratory in a typical clinical setting. METHODS AND RESULTS: We performed a single-center, retrospective analysis of 400 consecutive patients who underwent diagnostic and interventional cardiac catheterizations in a predominantly TRA laboratory with traditional fluoroscopy (N=200) and a new image noise reduction fluoroscopy system (N=200)...
December 27, 2016: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28089777/bioresorbable-vascular-scaffold-to-treat-malignant-in-stent-restenosis-in-a-patient-with-nickel-allergy
#20
Alfonso Jurado-Román, María T López-Lluva, Ignacio Sánchez-Pérez, Jesús Piqueras-Flores, Ramón Maseda, Fernando Lozano-Ruíz-Poveda
Nickel is the most frequent allergen in patients with allergic contact dermatitis and nickel allergy has been associated with recurrent in-stent restenosis. However, it is often misdiagnosed because of a low suspicion threshold. It should be discarded in patients with recurrent in-stent restenosis, especially if their medical history reveals prior contact dermatitis. It is also noteworthy and rarely specified that even newer generation stents that use novel metal alloys also contain low amounts of nickel. To avoid the implantation of new stents containing this metal, when percutaneous coronary intervention is indicated, drug eluting balloons or bioresorbable vascular scaffolds associated with small doses of steroids could provide good alternatives of treatment...
January 2, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
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