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chronic coronary artery disease

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https://www.readbyqxmd.com/read/28648010/-experience-of-sun-s-procedure-for-chronic-type-b-dissection-with-aortic-arch-involvement
#1
R D Qi, J M Zhu, L Chen, C N Li, Z Y Qiao, L J Cheng, Y P Ge, H O Hu, Y Xia, X Y Xing, T Zheng, Y M Liu, L Z Sun
Objective: To study the surgical treatment of chronic type B dissection with aortic arch involvement using Sun's procedure. Methods: Between February 2009 and December 2015, 29 patients [20 males, 9 females, with a mean age of (41±12) years, range 24-64 years] with type B dissection with aortic arch involvement underwent Sun's procedure. Sixteen patient had a history of hypertension. Marfan syndrome was observed in 9 cases, coronary artery disease in 3 cases, mitral regurgitation in 3 patients, cerebrovascular disease in one patient...
June 27, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28645983/the-effect-of-magnesium-supplementation-on-vascular-calcification-in-chronic-kidney-disease-a-randomised-clinical-trial-magical-ckd-essential-study-design-and-rationale
#2
Iain Bressendorff, Ditte Hansen, Morten Schou, Charlotte Kragelund, Lisbet Brandi
INTRODUCTION: Chronic kidney disease (CKD) is associated with an increased risk of cardiovascular disease and mortality, which is thought to be caused by increased propensity towards vascular calcification (VC). Magnesium (Mg) inhibits phosphate-induced VC in vitro and in animal models and serum Mg is inversely associated with cardiovascular mortality in predialysis CKD and in end-stage renal disease. This paper will describe the design and rationale of a randomised double-blinded placebo-controlled multicentre clinical trial, which will investigate whether oral Mg supplementation can prevent the progression of coronary artery calcification (CAC) in subjects with predialysis CKD...
June 23, 2017: BMJ Open
https://www.readbyqxmd.com/read/28644213/platelet-pathophysiology-pharmacology-and-function-in-coronary-artery-disease
#3
Homam Ibrahim, Neal S Kleiman
Platelets play a key role in the pathophysiology of coronary artery disease and acute coronary syndromes. Our understanding of platelet function in thrombus formation has increased considerably, resulting in the development of clinically effective treatment strategies and identification of new targets. An underappreciated platelet function is their contribution toward acute and chronic inflammatory processes including atherogenesis. In this review, we discuss the role of platelets in atherosclerosis and thrombosis, platelet function testing, and the pharmacology of currently available antiplatelet drugs...
June 21, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28644212/worsening-atrioventricular-conduction-after-hospital-discharge-in-patients-with-st-segment-elevation-myocardial-infarction-undergoing-primary-percutaneous-coronary-intervention-the-horizons-ami-trial
#4
Ioanna Kosmidou, Björn Redfors, Thomas McAndrew, Monica Embacher, Roxana Mehran, José M Dizon, Ori Ben-Yehuda, Gary S Mintz, Gregg W Stone
BACKGROUND: The chronic effects of ST-segment elevation myocardial infarction (STEMI) on the atrioventricular conduction (AVC) system have not been elucidated. This study aimed to evaluate the incidence, predictors, and outcomes of worsened AVC post-STEMI in patients treated with a primary percutaneous coronary intervention (PCI). PATIENTS AND METHODS: The current analysis included patients from the HORIZONS-AMI trial who underwent primary PCI and had available ECGs...
June 21, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28641152/urea-induced-ros-accelerate-senescence-in-endothelial-progenitor-cells
#5
Maria D'Apolito, Anna Laura Colia, Maria Lasalvia, Vito Capozzi, Maria Pia Falcone, Massimo Pettoello-Mantovani, Michael Brownlee, Angela Bruna Maffione, Ida Giardino
BACKGROUND AND AIMS: The pathogenic events responsible for the reduction of endothelial progenitor cell (EPC) number and function seen in patients with chronic renal failure (CRF) are poorly understood. Here we investigate the hypothesis that increased concentrations of urea associated with CRF increase ROS production directly in EPCs, causing abnormalities associated with coronary artery disease risk. METHODS: Human EPCs were isolated from peripheral blood mononuclear cells of healthy donors and cultured in the presence or absence of 20 mmol/L urea...
June 15, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28637783/paradoxical-suppression-of-atherosclerosis-in-the-absence-of-microrna-146a
#6
Henry S Cheng, Rickvinder Besla, Angela Li, Zhiqi Chen, Eric A Shikatani, Maliheh Nazari-Jahantigh, Adel Hammoutène, My-Anh Nguyen, Michele Geoffrion, Lei Cai, Nadiya Khyzha, Tong Li, Sonya A MacParland, Mansoor Husain, Myron I Cybulsky, Chantal M Boulanger, Ryan E Temel, Andreas Schober, Katey J Rayner, Clinton Robbins, Jason E Fish
Rationale: Inflammation is a key contributor to atherosclerosis. MicroRNA-146a (miR-146a) has been identified as a critical brake on pro-inflammatory NF-κB signalling in several cell types, including endothelial cells and bone marrow-derived cells. Importantly, miR-146a expression is elevated in human atherosclerotic plaques, and polymorphisms in the miR-146a pre-cursor have been associated with risk of coronary artery disease. Objective: To define the role of endogenous miR-146a during atherogenesis. Methods and Results: Paradoxically, Low-density lipoprotein receptor (Ldlr)(-/-) mice deficient in miR-146a develop less atherosclerosis, despite having highly elevated levels of circulating pro-inflammatory cytokines...
June 21, 2017: Circulation Research
https://www.readbyqxmd.com/read/28636634/cardiomyopathy-development-protection-after-myocardial-infarction-in-rats-successful-competition-for-major-dihydropyridines-common-metabolite-against-captopril
#7
Katarzyna A Mitręga, Adrianna M Spałek, Jerzy Nożyński, Maurycy Porc, Magdalena Stankiewicz, Tadeusz F Krzemiński
During the last 25 years angiotensin-converting enzyme inhibitors spectacularly conquered the field of cardiovascular diseases therapy. Nevertheless, lack of new studies concerning side effects associated with their chronic administration seems to be rather confusing. In our previous research, we proved that the main furnidipines' metabolite (M-2) possess multiple cardioprotective actions. Currently, we compared effects of post-infarction long-term oral treatment with M-2 and captopril on hemodynamic parameters and "ischemic cardiomyopathy" development in rats...
2017: PloS One
https://www.readbyqxmd.com/read/28634771/off-pump-versus-on-pump-coronary-surgery-in-patients-with-chronic-kidney-disease-a-meta-analysis
#8
Yushu Wang, Sui Zhu, Peijuan Gao, Juteng Zhou, Qing Zhang
BACKGROUND: Patients with chronic kidney disease (CKD) have worse adverse cardiovascular outcomes after coronary artery bypass grafting (CABG). However, the adverse cardiovascular outcomes between off-pump coronary artery bypass grafting (OPCAB) versus on-pump coronary artery bypass grafting (ONCAB) in these patients have been a subject of debate. METHODS: We undertook a comprehensive literature search of PubMed, Embase, and the Cochrane Library database to identify all relevant studies comparing techniques between OPCAB and ONCAB in CKD patients...
June 20, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28630603/elevated-il-37-levels-in-the-plasma-of-patients-with-severe-coronary-artery-calcification
#9
Meng Chai, Hai-Tao Zhang, Yu-Jie Zhou, Qing-Wei Ji, Qing Yang, Yu-Yang Liu, Ying-Xin Zhao, Dong-Mei Shi, Wei Liu, Li-Xia Yang, Lin-Lin Zhang, Jing Liang
BACKGROUND: Coronary artery calcification (CAC) is a predictor of cardiovascular events and plaque burden and is closely associated with chronic inflammation. Interleukin (IL)-37 is a newly discovered member of the IL-1 family and is considered an anti-inflammatory cytokine. Our recent study on mice indicated that IL-37 could attenuate atherosclerosis and vascular calcification, which suggests that IL-37 could be associated with the development of atherosclerosis and related diseases...
May 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/28629780/is-bilateral-internal-thoracic-artery-grafting-a-safe-option-for-chronic-dialysis-patients
#10
Giuseppe Gatti, Andrea Perrotti, Antonio Fiore, Eric Bergoend, Sidney Chocron, Jean-Paul Couetil, Gianfranco Sinagra, Aniello Pappalardo
BACKGROUND: The use of bilateral internal thoracic artery (BITA) grafting has been proposed for dialysis patients with multivessel coronary artery disease, primarily because of hypothetical long-term survival benefits. AIMS: To investigate the outcome of BITA grafting in dialysis patients. METHODS: This was a retrospective analysis of the use of BITA grafting in 105 consecutive patients with end-stage renal failure on chronic dialysis in three European centres with extensive experience in BITA...
June 16, 2017: Archives of Cardiovascular Diseases
https://www.readbyqxmd.com/read/28629772/impact-of-the-cardiovascular-system-associated-adipose-tissue-on-atherosclerotic-pathology
#11
REVIEW
Dimitry A Chistiakov, Andrey V Grechko, Veronika A Myasoedova, Alexandra A Melnichenko, Alexander N Orekhov
Cardiac obesity makes an important contribution to the pathogenesis of cardiovascular disease. One of the important pathways of this contribution is the inflammatory process that takes place in the adipose tissue. In this review, we consider the role of the cardiovascular system-associated fat in atherosclerotic cardiovascular pathology and a non-atherosclerotic cause of coronary artery disease, such as atrial fibrillation. Cardiovascular system-associated fat not only serves as the energy store, but also releases adipokines that control local and systemic metabolism, heart/vascular function and vessel tone, and a number of vasodilating and anti-inflammatory substances...
June 8, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28629624/the-protective-role-of-oestradiol-against-silent-myocardial-ischemia-and-hypertension-risk-in-south-african-men-the-sabpa-study
#12
Nicolaas T Malan, Roland von Känel, Hendrik S Steyn, Ruan Kruger, Leoné Malan
BACKGROUND: Oestradiol has a protective effect on coronary artery health in women but the effect it has on men, is controversial. A translational approach was followed to assess whether sex hormone levels are associated with silent myocardial ischemia (SMI) and hypertension risk over a 3year period. METHODS: Participants included 89 Black and 91 White men (aged 21-63years) participating in both phases of the Sympathetic activity and Ambulatory Blood Pressure in Africans prospective study...
June 8, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28624411/incremental-prognostic-utility-of-left-ventricular-global-longitudinal-strain-in-asymptomatic-patients-with-significant-chronic-aortic-regurgitation-and-preserved-left-ventricular-ejection-fraction
#13
Alaa Alashi, Amgad Mentias, Amjad Abdallah, Ke Feng, A Marc Gillinov, L Leonardo Rodriguez, Douglas R Johnston, Lars G Svensson, Zoran B Popovic, Brian P Griffin, Milind Y Desai
OBJECTIVES: We sought to examine the prognostic utility of left ventricular (LV) global longitudinal strain (GLS) in asymptomatic patients with ≥III+ aortic regurgitation (AR), an indexed LV end-systolic dimension of <2.5 cm/m(2), and preserved left ventricular ejection fraction (LVEF). BACKGROUND: Management of asymptomatic patients with severe chronic AR and preserved LVEF is challenging and is typically based on LV dimensions. METHODS: We studied 1,063 such patients (53 ± 16 years; 77% men) seen between 2003 and 2010 (excluding those with symptoms, obstructive coronary artery disease, acute AR/dissection, aortic/mitral stenosis, more than moderate mitral regurgitation, and previous cardiac surgery)...
June 9, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28622754/prevalence-of-non-infectious-comorbidities-in-the-hiv-positive-population-in-belgium-a-multicenter-retrospective-study
#14
Jessie Gunter, Steven Callens, Stephane De Wit, Jean-Christophe Goffard, Michel Moutschen, Gilles Darcis, Christelle Meuris, Charlotte van den Bulcke, Karine Fombellida, Marc Del Forge, Homie Razavi, Chloe Wyndham-Thomas
OBJECTIVES: In Belgium, eleven AIDS Reference Centers (ARCs) and seven AIDS Reference Laboratories diagnose and treat HIV-positive individuals and track patients under care. As AIDS-related deaths are avoided and the HIV-positive population ages, non-infectious comorbidities (NICMs), such as cardiovascular disease, renal disease and certain cancers, play a larger role in the quality and length of patients' lives. This study aims to characterize the HIV-positive population in Belgium in terms of the prevalence of key NICMs...
June 16, 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/28620573/clinical-characteristics-and-outcomes-of-patients-with-ischemic-and-non-ischemic-complete-heart-block
#15
Murtaza Sundhu, Mehmet Yildiz, Mubbasher Syed, Bhavan Shah, Sajjad Gul, Omer Afzal, Lon Castle
INTRODUCTION: Third degree or complete heart block (CHB) is a medical emergency and usually requires permanent pacemaker placement. CHB can be caused by cardiac ischemia or non-ischemic conditions such as infiltrative diseases or fibrosis. The purpose of this study is to identify the baseline clinical characteristics associated with ischemic versus non-ischemic causes of complete heart block and compare their outcomes. MATERIALS AND METHODS: An institutional review broad approval was granted by the Cleveland Clinic Health System...
May 12, 2017: Curēus
https://www.readbyqxmd.com/read/28617760/nonisolated-small-bowel-gastrointestinal-angiodysplasias-are-associated-with-higher-rebleeding-rates-when-compared-with-isolated-small-bowel-gastrointestinal-angiodysplasia-on-video-capsule-endoscopy
#16
Stephanie H Mai, Daniel C Chao, Shu-Yi Liao, Christian S Jackson
BACKGROUND: Gastrointestinal angiodysplasias (GIAD) are commonly diagnosed in the small bowel but can be located in other areas of the gastrointestinal tract. About half of patients diagnosed with GIAD have more than 1 lesion and 20% of patients have GIAD in both the small bowel and a source outside of the small bowel (nonisolated to small bowel GIAD or NISGIAD). The remaining patients with GIAD have lesions isolated to the small bowel (ISGIAD). Complications including rebleeding, hospitalization and mortality rates have not been previously analyzed between these 2 groups...
June 14, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28616567/cyp2c19-variants-and-epoxyeicosatrienoic-acids-in-patients-with-microvascular-angina
#17
Tomonori Akasaka, Daisuke Sueta, Yuichiro Arima, Noriaki Tabata, Seiji Takashio, Yasuhiro Izumiya, Eiichiro Yamamoto, Kenichi Tsujita, Sunao Kojima, Koichi Kaikita, Ayami Kajiwara, Kazunori Morita, Kentaro Oniki, Junji Saruwatari, Kazuko Nakagawa, Seiji Hokimoto
BACKGROUND: Categorization as a cytochrome P450 (CYP) 2C19 poor metabolizer (PM) is reported to be an independent risk factor for cardiovascular disease. Epoxyeicosatrienoic acids (EETs) are metabolites of arachidonic acid by CYP2C19 epoxygenases and anti-inflammatory properties, especially in microvascular tissues. We examined the impact of CYP2C19 polymorphisms and EETs on the patients with microvascular angina (MVA) caused by coronary microvascular dysfunction. METHODS AND RESULTS: We examined CYP2C19 genotypes in patients with MVA (n = 81)...
June 2017: IJC Heart & Vasculature
https://www.readbyqxmd.com/read/28611783/apolipoprotein-l1-genetic-variants-are-associated-with-chronic-kidney-disease-but-not-with-cardiovascular-disease-in-a-population-referred-for-cardiac-catheterization
#18
Hanghang Wang, Patrick H Pun, Lydia Kwee, Damian Craig, Carol Haynes, Megan Chryst-Ladd, Laura P Svetkey, Uptal D Patel, Elizabeth R Hauser, Martin R Pollak, William E Kraus, Svati H Shah
BACKGROUND: While the association between APOL1 genetic variants and chronic kidney disease (CKD) has been established, their association with cardiovascular disease (CVD) is unclear. This study sought to understand CKD and cardiovascular risk conferred by APOL1 variants in a secondary cardiovascular prevention population. METHODS: Two risk variants in APOL1 were genotyped in African-Americans (n = 1,641) enrolled in the CATHGEN biorepository, comprised of patients referred for cardiac catheterization at Duke University Hospital, Durham, NC, USA (2001-2010)...
February 2017: Cardiorenal Medicine
https://www.readbyqxmd.com/read/28611782/long-term-percutaneous-coronary-intervention-outcomes-of-patients-with-chronic-kidney-disease-in-the-era-of-second-generation-drug-eluting-stents
#19
Wojciech Wańha, Damian Kawecki, Tomasz Roleder, Aleksandra Pluta, Kamil Marcinkiewicz, Beata Morawiec, Janusz Dola, Sylwia Gładysz, Tomasz Pawłowski, Grzegorz Smolka, Andrzej Ochała, Ewa Nowalany-Kozielska, Wojciech Wojakowski
BACKGROUND: The following registry (Katowice-Zabrze retrospective registry) aimed to assess the influence of a chronic kidney disease (CKD) on long-term clinical outcomes in patients undergoing percutaneous coronary intervention (PCI) using either first-generation (DES-I) or second-generation (DES-II) drug-eluting stents. METHODS: The study group consisted of 1,908 consecutive patients, of whom 331 (17.3%) had CKD. CKD was defined as an estimated glomerular filtration rate of <60 mL/min/m(2)...
February 2017: Cardiorenal Medicine
https://www.readbyqxmd.com/read/28607546/histologic-sequelae-of-apical-hypertrophic-cardiomyopathy-dystrophic-calcification
#20
Shahryar G Saba, John N Makaryus, Navid Rahmani, Ram Jadonath
We present cardiac computed tomography (CT) findings demonstrating apical hypertrophic cardiomyopathy with dystrophic calcification of the left ventricular apex. The absence of significant epicardial coronary artery disease demonstrated by coronary CT angiography suggests that increased wall tension and decreased microvascular perfusion over time account for the dyskinetic apical myocardium, rather than myocardial infarction secondary to atherosclerotic plaque rupture. These observations support CT as the imaging modality of choice to visualize the deposition of calcium in injured myocardial tissue, a recognized occurrence in chronically infarcted myocardium...
2017: Clinical Medicine Insights. Cardiology
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