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Ischemic Heart Disease

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https://www.readbyqxmd.com/read/29356207/mexiletine-or-catheter-ablation-after-amiodarone-failure-in-the-vanish-trial
#1
Marc W Deyell, Christian Steinberg, Steve Doucette, Ratika Parkash, Isabelle Nault, Chris Gray, Vidal Essebag, Martin Gardner, Laurence D Sterns, Jeff S Healey, Tomasz Hruczkowski, Lena Rivard, Peter Leong-Sit, Pablo B Nery, John L Sapp
INTRODUCTION: In patients with ischemic heart disease and ventricular tachycardia (VT) refractory to high dose amiodarone, the two most common therapeutic options are adjunctive mexiletine therapy or catheter ablation. There is little existing data on the efficacy of these strategies. We examined the relative efficacy of adjunctive mexiletine and catheter ablation among patients enrolled in the VANISH trial. METHODS: All subjects enrolled in the VANISH trial who had VT refractory to high dose (≥ 300 mg daily) amiodarone at baseline were included...
January 22, 2018: Journal of Cardiovascular Electrophysiology
https://www.readbyqxmd.com/read/29355923/heart-rate-as-a-predictor-of-cardiovascular-risk
#2
REVIEW
Marijana Tadic, Cesare Cuspidi, Guido Grassi
BACKGROUND: Heart rate (HR) is a predictor of cardiovascular, cerebrovascular and all-cause mortality in the general population, as well as in patients with cardio- and cerebrovascular diseases. We aimed to summarize current knowledge regarding the influence of HR on cardio- and cerebrovascular morbidity and mortality. MATERIALS AND METHODS: PubMed, MEDLINE, Ovid and Embase databases was searched for large follow-up studies or meta-analysis published between January 1990 and September 2017 in the English language using the following keyword "heart rate", "resting heart rate", "mortality", "outcome", "hypertension", "heart failure", "ischemic heart disease", "coronary heart disease", "stroke"...
January 22, 2018: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29355725/cellular-therapies-for-chronic-ischemic-heart-failure
#3
REVIEW
Rosalie M Sterner, Robert C Sterner, Jorge A Brenes-Salazar, Aimee C Yu Ballard
The development of stem-cell therapies for chronic ischemic heart failure is highly sought after to attempt to improve morbidity and mortality of this prevalent disease. This article reviews clinical trials investigating stem cell therapy for chronic ischemic heart failure. To generate this review article, PubMed was searched using keywords "stem cell therapy heart failure" with the article type "Clinical Trial" selected on 10/04/2016. The raw search yielded 156 articles. 53 articles were selected for inclusion in the review between the original literature search and manual research/cross-referencing...
January 17, 2018: Hellenic Journal of Cardiology: HJC, Hellēnikē Kardiologikē Epitheōrēsē
https://www.readbyqxmd.com/read/29353861/neuroprotection-mediated-by-upregulation-of-endothelial-nitric-oxide-synthase-in-rho-associated-coiled-coil-containing-kinase-2-deficient-mice
#4
Yukio Hiroi, Kensuke Noma, Hyung-Hwan Kim, Nikola Sladojevic, Corey E Tabit, Yuxin Li, Guray Soydan, Salvatore Salomone, Michael A Moskowitz, James K Liao
BACKGROUND: Rho-associated kinases (ROCK1 and ROCK2) are important regulators of the actin cytoskeleton and endothelial nitric oxide synthase (eNOS). Because the phosphorylation of eukaryotic elongation factor-1A1 (eEF1A1) by ROCK2 is critical for eNOS expression, we hypothesized that this molecular pathway may play a critical role in neuroprotection following focal cerebral ischemia.Methods and Results:Adult male wild-type (WT) and mutant ROCK2 and eNOS-/-mice were subjected to middle cerebral artery occlusion (MCAO), and cerebral infarct size, neurological deficit and absolute cerebral blood flow were measured...
January 19, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29353438/examination-of-pituitary-adenylate-cyclase-activating-polypeptide-pacap-as-a-potential-biomarker-in-heart-failure-patients
#5
Zsolt Sarszegi, Dora Szabo, Balazs Gaszner, Attila Konyi, Dora Reglodi, Jozsef Nemeth, Beata Lelesz, Beata Polgar, Adel Jungling, Andrea Tamas
Pituitary adenylate cyclase-activating polypeptide (PACAP) is a pleiotropic and multifunctional neuropeptide having neurotrophic, neuroprotective, and general cytoprotective actions in a variety of tissues based on its anti-apoptotic, anti-inflammatory, and antioxidant effects. Several studies have demonstrated its cardioprotective effects in vitro and in various animal models. However, few data are available on the presence of PACAP in human cardiac tissues and its role in the pathomechanism and progression of different cardiac disorders, particularly heart failure...
January 20, 2018: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29353387/inter-individual-variation-in-health-and-disease-associated-with-pulmonary-infectious-agents
#6
Kirsten C Verhein, Heather L Vellers, Steven R Kleeberger
Respiratory infectious diseases resulting from bacterial or viral pathogens such as Mycobacterium tuberculosis, Streptococcus pneumoniae, respiratory syncytial virus (RSV), or influenza, are major global public health concerns. Lower respiratory tract infections are leading causes of morbidity and mortality, only behind ischemic heart disease and stroke (GBD 2015 LRI Collaborators in Lancet Infect Dis 17(11):1133-1161, 2017). Developing countries are particularly impacted by these diseases. However, while many are infected with viruses such as RSV (> 90% of all individuals are infected by age 2), only sub-populations develop severe disease...
January 20, 2018: Mammalian Genome: Official Journal of the International Mammalian Genome Society
https://www.readbyqxmd.com/read/29351465/emerging-potential-benefits-of-modulating-nad-metabolism-in-cardiovascular-disease
#7
Daniel S Matasic, Charles Brenner, Barry London
Nicotinamide adenine dinucleotide (NAD+) and related metabolites are central mediators of fuel oxidation and bioenergetics within cardiomyocytes. Additionally, NAD+ is required for the activity of multifunctional enzymes including sirtuins and poly(ADP-ribose) polymerases (PARPs) that regulate post-translational modifications, DNA damage responses, and calcium signaling. Recent research indicates that NAD+ participates in a multitude of processes dysregulated in cardiovascular diseases. Therefore, supplementation of NAD+ precursors including nicotinamide riboside (NR) that boost or replete the NAD+ metabolome may be cardioprotective...
December 22, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29351337/a-portable-prototype-magnetometer-to-differentiate-ischemic-and-non-ischemic-heart-disease-in-patients-with-chest-pain
#8
Shima Ghasemi-Roudsari, Abbas Al-Shimary, Benjamin Varcoe, Rowena Byrom, Lorraine Kearney, Mark Kearney
BACKGROUND: Magnetocardiography (MCG) is a non-invasive technique used to measure and map cardiac magnetic fields. We describe the predictive performance of a portable prototype magnetometer designed for use in acute and routine clinical settings. We assessed the predictive ability of the measurements derived from the magnetometer for the ruling-out of healthy subjects and patients whose chest pain has a non-ischemic origin from those with ischemic heart disease (IHD). METHODS: MCG data were analyzed from a technical performance study, a pilot clinical study, and a young healthy reference group...
2018: PloS One
https://www.readbyqxmd.com/read/29350914/cys34-adductomes-differ-between-patients-with-chronic-lung-or-heart-disease-and-healthy-controls-in-central-london
#9
Sa Liu, Hasmik Grigoryan, William Matthew Bell Edmands, Sonia Dagnino, Rudy Sinharay, Paul Cullinan, Peter Collins, Kian Fan Chung, Benjamin M Barratt, Frank J Kelly, Paolo Vineis, Stephen M Rappaport
Oxidative stress generates reactive species that modify proteins, deplete antioxidant defenses and contribute to chronic obstructive pulmonary disease (COPD) and ischemic heart disease (IHD). To determine whether protein modifications differ between COPD or IHD patients and healthy subjects, we performed untargeted analysis of adducts at the Cys34 locus of human serum albumin (HSA). Biospecimens were obtained from nonsmoking participants from London, U.K., including healthy subjects (n=20) and patients with COPD (n=20) or IHD (n=10)...
January 19, 2018: Environmental Science & Technology
https://www.readbyqxmd.com/read/29350378/eq-5d-studies-in-cardiovascular-diseases-in-eight-central-and-eastern-european-countries-a-systematic-review-of-the-literature
#10
Paulina Batóg, Fanni Rencz, Márta Péntek, László Gulácsi, Krzysztof J Filipiak, Valentina Prevolnik Rupel, Judit Simon, Valentin Brodszky, Petra Baji, Jakub Závada, Guenka Petrova, Alexandru Rotar, Dominik Golicki
BACKGROUND: The measurement of health-related quality of life (HRQOL) by validated generic instruments, such as EQ-5D, becomes an increasingly important tool for the assessment of health care in a wide range of different diagnoses. AIM: To systematically review EQ-5D literature generated in cardiovascular diseases in eight selected Central and Eastern Europe (CEE) countries. METHODS: A structured literature search was conducted in MEDLINE, EMBASE, Web of Science, CINAHL, PsycINFO, the Cochrane Library and the EuroQol website up to November 2016...
January 19, 2018: Kardiologia Polska
https://www.readbyqxmd.com/read/29348194/health-care-costs-associated-with-incident-complications-in-patients-with-type-2-diabetes-in-germany
#11
Katharina Kähm, Michael Laxy, Udo Schneider, Wolf H Rogowski, Stefan K Lhachimi, Rolf Holle
OBJECTIVE: The aim of this study is to provide reliable regression-based estimates of costs associated with different type 2 diabetes complications. RESEARCH DESIGN AND METHODS: We used nationwide statutory health insurance (SHI) data from 316,220 patients with type 2 diabetes. Costs for inpatient and outpatient care, pharmaceuticals, rehabilitation, and nonmedical aids and appliances were assessed in the years 2013-2015. Quarterly observations are available for each year...
January 18, 2018: Diabetes Care
https://www.readbyqxmd.com/read/29348120/apoc3-loss-of-function-mutations-remnant-cholesterol-low-density-lipoprotein-cholesterol-and-cardiovascular-risk-mediation-and-meta-analyses-of-137-895-individuals
#12
Anders B Wulff, Børge G Nordestgaard, Anne Tybjærg-Hansen
OBJECTIVE: Loss-of-function mutations in APOC3 associate with low remnant cholesterol levels and low risk of ischemic vascular disease (IVD). Because some studies show an additional association with low levels of low-density lipoprotein cholesterol (LDL-C), low LDL-C may explain the low risk of IVD in APOC3 loss-of-function heterozygotes. We tested to what extent the low risk of IVD in APOC3 loss-of-function heterozygotes is mediated by low plasma remnant cholesterol and LDL-C. APPROACH AND RESULTS: In APOC3 loss-of-function heterozygotes versus noncarriers, we first determined remnant cholesterol and LDL-C levels in meta-analyses of 137 895 individuals...
January 18, 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29346331/growth-hormone-gh-and-cardiovascular-system
#13
REVIEW
Diego Caicedo, Oscar Díaz, Pablo Devesa, Jesús Devesa
This review describes the positive effects of growth hormone (GH) on the cardiovascular system. We analyze why the vascular endothelium is a real internal secretion gland, whose inflammation is the first step for developing atherosclerosis, as well as the mechanisms by which GH acts on vessels improving oxidative stress imbalance and endothelial dysfunction. We also report how GH acts on coronary arterial disease and heart failure, and on peripheral arterial disease, inducing a neovascularization process that finally increases flow in ischemic tissues...
January 18, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29344922/impact-of-renin-angiotensin-aldosterone-system-polymorphisms-on-myocardial-perfusion-correlations-with-myocardial-single-photon-emission-computed-tomography-derived-parameters
#14
George Angelidis, Maria Samara, Maria Papathanassiou, Maria Satra, Varvara Valotassiou, Ioannis Tsougos, Dimitrios Psimadas, Chara Tzavara, Sotiria Alexiou, John Koutsikos, Nikolaos Demakopoulos, Gregory Giamouzis, Filippos Triposkiadis, John Skoularigis, Panagoula Kollia, Panagiotis Georgoulias
BACKGROUND: Renin-angiotensin-aldosterone system (RAAS) has an important role in atherosclerosis. We investigated the effects of six RAAS gene polymorphisms on myocardial perfusion. METHODS AND RESULTS: We examined 810 patients with known or suspected coronary artery disease (CAD) using stress-rest myocardial single-photon emission computed tomography. Summed stress score (SSS), summed rest score (SRS), summed difference score (SDS), transient ischemic dilation (TID), and lung/heart ratio (LHR) were recorded...
January 17, 2018: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/29343820/increased-left-ventricular-mass-index-is-present-in-patients-with-type-2-diabetes-without-ischemic-heart-disease
#15
Jelena P Seferovic, Milorad Tesic, Petar M Seferovic, Katarina Lalic, Aleksandra Jotic, Tor Biering-Sørensen, Vojislav Giga, Sanja Stankovic, Natasa Milic, Ljiljana Lukic, Tanja Milicic, Marija Macesic, Jelena Stanarcic Gajovic, Nebojsa M Lalic
Left ventricular mass index (LVMI) increase has been described in hypertension (HTN), but less is known about its association with type 2 diabetes (T2DM). As these conditions frequently co-exist, we investigated the association of T2DM, HTN and both with echocardiographic parameters, and hypothesized that patients with both had highest LVMI, followed by patients with only T2DM or HTN. Study population included 101 T2DM patients, 62 patients with HTN and no T2DM, and 76 patients with T2DM and HTN, excluded for ischemic heart disease...
January 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29343082/systematic-review-of-the-effect-of-adherence-to-statin-treatment-on-critical-cardiovascular-events-and-mortality-in-primary-prevention
#16
Eva Martin-Ruiz, Antonio Olry-de-Labry-Lima, Ricardo Ocaña-Riola, David Epstein
AIM: Analyze the relative risks of critical cardiovascular outcomes and mortality associated with adherence to statin treatment in a clinical setting in people with no history of prior cardiovascular disease (CVD). METHODS: A systematic review of the literature was conducted up to December 2016. The outcomes of interest were cardiovascular fatal or nonfatal events and all-cause mortality. RESULTS: A total of 17 articles were included in a qualitative synthesis...
January 1, 2018: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29342024/clinical-profile-of-patients-with-heart-failure-can-predict-rehospitalization-and-quality-of-life
#17
Michele Di Mauro, Renata Petroni, Daniela Clemente, Massimiliano Foschi, Fabrizio Tancredi, Virginia Camponetti, Sabina Gallina, Antonio M Calafiore, Maria Penco, Silvio Romano
BACKGROUND: The aim of this retrospective study was to identify clinical, humoral and echocardiographic variables predicting rehospitalization and poor quality of life (QOL) in patients with reduced or mid-range ejection fraction heart failure. METHODS: From 2009 to 2012, 310 patients were admitted having signs and symptoms of heart failure with reduced ejection fraction. All the patients were followed by phone, calling the patients or the referring general practitioner...
January 15, 2018: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/29341932/synthetic-extracellular-matrix-mimic-hydrogel-improves-efficacy-of-mesenchymal-stromal-cell-therapy-for-ischemic-cardiomyopathy
#18
Maria Chiara Ciuffreda, Giuseppe Malpasso, Cindy Chokoza, Deon Bezuidenhout, Kyle P Goetsch, Manuela Mura, Federica Pisano, Neil H Davies, Massimiliano Gnecchi
BACKGROUND: Mesenchymal stromal cells (MSC) repair infarcted hearts mainly through paracrine mechanisms. Low cell engraftment limits the release of soluble paracrine factors (SF) over time and, consequently, MSC efficacy. We tested whether a synthetic extracellular matrix mimic, a hydrogel containing heparin (H-HG), could ameliorate MSC engraftment and binding/release of SF, thus improving MSC therapy efficacy. METHODS AND RESULTS: In vitro, rat bone-marrow MSC (rBM-MSC) were seeded and grown into H-HG...
January 13, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29341834/improvement-in-overall-survival-with-carfilzomib-lenalidomide-and-dexamethasone-in-patients-with-relapsed-or-refractory-multiple-myeloma
#19
David S Siegel, Meletios A Dimopoulos, Heinz Ludwig, Thierry Facon, Hartmut Goldschmidt, Andrzej Jakubowiak, Jesus San-Miguel, Mihaela Obreja, Julie Blaedel, A Keith Stewart
Purpose In the ASPIRE study of carfilzomib, lenalidomide, and dexamethasone (KRd) versus lenalidomide plus dexamethasone (Rd) in patients with relapsed or refractory multiple myeloma, progression-free survival was significantly improved in the carfilzomib group (hazard ratio, 0.69; two-sided P < .001). This prespecified analysis reports final overall survival (OS) data and updated safety results. Patients and Methods Adults with relapsed multiple myeloma (one to three prior lines of therapy) were eligible and randomly assigned at a one-to-one ratio to receive KRd or Rd in 28-day cycles until withdrawal of consent, disease progression, or occurrence of unacceptable toxicity...
January 17, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29340315/contrast-induced-nephropathy-and-oxygen-pretreatment-in-patients-with-impaired-renal-function
#20
Haruki Sekiguchi, Yoichi Ajiro, Yoshie Uchida, Kentaro Jujo, Kazunori Iwade, Naohide Tanaka, Ken Shimamoto, Yukio Tsurumi, Masatoshi Kawana, Nobuhisa Hagiwara
Introduction: Contrast-induced nephropathy is a complication following coronary angiography and percutaneous coronary intervention. Because contrast-induced nephropathy is a predictor of long-term mortality in patients with ischemic heart disease undergoing percutaneous coronary intervention, preventive strategies are required. We assessed the effects of periprocedural oxygenation on contrast-induced nephropathy among patients with pre-existing renal dysfunction. Methods: A total of 200 consecutive patients with impaired renal function (estimated glomerular filtration < 60 ml/min per 1...
January 2018: KI Reports
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