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calcium and cardiovascular disease

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https://www.readbyqxmd.com/read/28350620/treatment-of-uncomplicated-hypertension-is-associated-with-a-reduction-in-cardiovascular-mortality-a-korean-national-cohort-study
#1
Chan J Lee, Jinseub Hwang, Jaewon Oh, Sang-Hak Lee, Seok-Min Kang, Donghoon Choi, Hyeon-Chang Kim, Sungha Park
BACKGROUND: Although the benefit of hypertension treatment is well established in high-risk patients, there is a paucity of evidence regarding the benefit of treatment in patients with uncomplicated hypertension. METHODS: Hypertensive adult patients were selected from the Korea National Health Insurance Sample Cohort in 2002 and were followed until 2013. Patients with a diagnosis of heart failure, coronary artery disease, stroke, malignancy, diabetes, or chronic kidney disease were excluded...
May 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28346238/management-of-hypertension-in-2017-targets-and-therapies
#2
Monica Ahluwalia, Sripal Bangalore
PURPOSE OF REVIEW: Approximately one-fourth of the adult population is diagnosed with hypertension, which has been associated with increased cardiovascular morbidity and mortality including cardiovascular death, myocardial infarction, heart failure and stroke. Early detection and treatment is a key and can lead to a significant reduction in cardiovascular morbidity and mortality. RECENT FINDINGS: In this review, we discuss the management and treatment strategies in patients with hypertension in the current era...
March 24, 2017: Current Opinion in Cardiology
https://www.readbyqxmd.com/read/28345316/the-implication-of-coronary-artery-calcium-testing-for-cardiovascular-disease-prevention-and-diabetes
#3
REVIEW
Ron Blankstein, Ankur Gupta, Jamal S Rana, Khurram Nasir
Over the last two decades coronary artery calcium (CAC) scanning has emerged as a quick, safe, and inexpensive method to detect the presence of coronary atherosclerosis. Data from multiple studies has shown that compared to individuals who do not have any coronary calcifications, those with severe calcifications (i.e., CAC score >300) have a 10-fold increase in their risk of coronary heart disease events and cardiovascular disease. Conversely, those that have a CAC of 0 have a very low event rate (~0.1%/year), with data that now extends to 15 years in some studies...
March 2017: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28345303/arterial-ageing-from-endothelial-dysfunction-to-vascular-calcification
#4
M Tesauro, A Mauriello, V Rovella, M Annicchiarico-Petruzzelli, C Cardillo, G Melino, N Di Daniele
Complex structural and functional changes occur in the arterial system with advancing age. The aged artery is characterized by changes in microRNA expression patterns, autophagy, smooth muscle cell migration and proliferation, and arterial calcification with progressively increased mechanical vessel rigidity and stiffness. With age the vascular smooth muscle cells modify their phenotype from contractile to 'synthetic' determining the development of intimal thickening as early as the second decade of life as an adaptive response to forces acting on the arterial wall...
March 27, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/28343599/presence-characteristics-and-volumes-of-coronary-plaque-determined-by-computed-tomography-angiography-in-young-type-2-diabetes-mellitus
#5
Negin Nezarat, Matthew J Budoff, Yanting Luo, Sirous Darabian, Rine Nakanishi, Dong Li, Nasim Sheidaee, Michael Kim, Anas Alani, Suguru Matsumoto, Sina Rahmani, Mitsuru Kanisawa, Indre Ceponiene, Kazuhiro Osawa, Hong Qi, Sajad Hamal, Pieter Kitslaar, Alexander Broersen, Ferdinand Flores, Eli Ipp, Bahram Khazai
Prevention and management of coronary artery disease (CAD) is of great concern in patients with diabetes mellitus. Although the impact of coronary atherosclerosis is described well for subjects older than 40 years, the prevalence and types of coronary atherosclerosis in young patients are not well known. The aim of this study was to evaluate the prevalence, extent, severity, and volumes of coronary plaque in type 2 diabetes mellitus (T2DM) population younger than of 40 years. This prospective study enrolled 181 subjects (25-40 year old) undergoing coronary computed tomography angiography, with 86 T2DM and 95 nondiabetic age/gender-matched subjects...
March 1, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28342290/verapamil-treatment-induces-cytoprotective-autophagy-by-modulating-cellular-metabolism
#6
Elzbieta Kania, Beata Pajak, Jim O'Prey, Pablo Sierra Gonzalez, Anna Litwiniuk, Kaja Urbańska, Kevin M Ryan, Arkadiusz Orzechowski
Verapamil, an L-type calcium channel blocker, has been used successfully to treat cardiovascular diseases. Interestingly, we have recently shown that treatment of cancer cells with Verapamil causes an effect on autophagy. As autophagy is known to modulate chemotherapy responses, this prompted us to explore the impact of Verapamil on autophagy and cell viability in greater detail. We report here that Verapamil causes an induction of autophagic flux in a number or tumor cells and immortalized normal cells. Moreover, we found that inhibition of autophagy in COLO 205 cells, via treatment with the chloroquine or by CRISPR/Cas9-mediated disruption of the autophagy genes Atg7 and Atg5, causes an upregulation of apoptotic markers in response to Verapamil...
March 25, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28338370/the-potential-of-stimulating-nitric-oxide-formation-in-the-treatment-of-hypertension
#7
Lucas C Pinheiro, Jose E Tanus-Santos, Michele M Castro
Hypertension is a leading cause of morbidity and mortality worldwide. A major pathophysiological factor contributing to hypertension is reduced nitric oxide (NO) bioavailability. Strategies to address this pathophysiological mechanism could offer significant advantages. Areas covered: In this review we aimed at examining a variety of drugs (statins, beta-adrenergic receptor blockers, calcium channel blockers, angiotensin converting enzyme inhibitors, angiotensin II type-1 receptor blockers) used to treat hypertension and other cardiovascular diseases, particularly with respect to their potential of increasing NO bioavailability and activity in the cardiovascular system...
March 24, 2017: Expert Opinion on Therapeutic Targets
https://www.readbyqxmd.com/read/28336827/-pathophysiology-of-secondary-hyperparathyroidism
#8
Hiroo Kawarazaki
Secondary hyperparathyroidism(SHPT)is the result of a compensatory response of the calcium phosphate homeostatic mechanism. Vitamin D deficiency and chronic kidney disease, both representative pathophysiological causes of SHPT, have been related not only to skeletal disorders but also cardiovascular diseases, ADL and QOL. This relates the importance of SHPT as a pathological cause or marker of such states.
2017: Clinical Calcium
https://www.readbyqxmd.com/read/28335787/risk-factors-of-atherosclerotic-tissue-types-in-single-vessel-and-intermediate-coronary-lesions-a-cross-sectional-study
#9
Xianjin Wang, Qun Chen, Yu Xu, Yanqing Wang, Yang Yang, Ming Gu, Haihua Xu, Yanfang Zhao
BACKGROUND: Few data exist that correlate lesion-related risk factors such as conventional cardiovascular risks or lipoprotein-associated phospholipase A2 (Lp-PLA2) with tissue types within atherosclerotic plaques in patients with single-vessel and intermediate coronary lesions. METHODS: One hundred and ninety-two patients with single-vessel and intermediate coronary lesions were enrolled in a cross-sectional study and divided into two groups: stable angina pectoris (SAP) and acute coronary syndrome (ACS) groups...
March 23, 2017: Lipids in Health and Disease
https://www.readbyqxmd.com/read/28333387/pathophysiological-fundamentals-of-diabetic-cardiomyopathy
#10
Xinyue Hu, Tao Bai, Zheng Xu, Qiuju Liu, Yang Zheng, Lu Cai
Diabetic cardiomyopathy (DCM) was first recognized more than four decades ago and occurred independent of cardiovascular diseases or hypertension in both type 1 and type 2 diabetic patients. The exact mechanisms underlying this disease remain incompletely understood. Several pathophysiological bases responsible for DCM have been proposed, including the presence of hyperglycemia, nonenzymatic glycosylation of large molecules (e.g., proteins), energy metabolic disturbance, mitochondrial damage and dysfunction, impaired calcium handling, reactive oxygen species formation, inflammation, cardiac cell death, and cardiac hypertrophy and fibrosis, leading to impairment of cardiac contractile functions...
March 16, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28326297/coronary-artery-calcium-score-and-bone-metabolism-a-pilot-study-in-postmenopausal-women
#11
Pooneh Salari, Abbasali Keshtkar, Shapour Shirani, Leila Mounesan
BACKGROUND: Since 1991 many studies evaluated the link between cardiovascular diseases and osteoporosis, two age-related conditions, but the main common pathologic pathway has not been determined yet. The histological similarity between arterial calcified plaque and bone matrix and involvement of similar cells and mediators provide a special field of research. Therefore in the present study, we aimed to evaluate the relationship between coronary artery calcium score (CACS) as a surrogate marker of atherosclerosis and bone mediators and parameters in postmenopausal women...
February 2017: Journal of Bone Metabolism
https://www.readbyqxmd.com/read/28321775/presence-and-extent-of-cardiac-computed-tomography-angiography-defined-coronary-artery-disease-in-patients-presenting-with-syncope
#12
S Altintas, T Dinh, N G H M Marcks, M Kok, A J J Aerts, B Weijs, Y Blaauw, J E Wildberger, M Das, B L J H Kietselaer, H J G M Crijns
BACKGROUND: In syncope patients, presence of coronary artery disease (CAD) is associated with poor prognosis. However, data concerning CAD prevalence in syncope patients without known cardiovascular disease are lacking. Therefore, the aim of this study was to investigate presence and extent of CAD in syncope patients. METHODS: We included 142 consecutive patients presenting with syncope at the outpatient cardiology clinic who underwent coronary computed tomography (CT) angiography...
March 20, 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/28321001/comparative-effects-of-an-angiotensin-ii-receptor-blocker-arb-diuretic-vs-arb-calcium-channel-blocker-combination-on-uncontrolled-nocturnal-hypertension-evaluated-by-information-and-communication-technology-based-nocturnal-home-blood-pressure-monitoring%C3%A3-the
#13
Kazuomi Kario, Naoko Tomitani, Hiroshi Kanegae, Hajime Ishii, Kazuaki Uchiyama, Kayo Yamagiwa, Toshihiko Shiraiwa, Tomohiro Katsuya, Tetsuro Yoshida, Kiyomi Kanda, Shinji Hasegawa, Satoshi Hoshide
BACKGROUND: Nocturnal blood pressure (BP) is an independent risk factor of cardiovascular events. The NOCTURNE study, a multicenter, randomized controlled trial (RCT) using our recently developed information and communication technology (ICT) nocturnal home BP monitoring (HBPM) device, was performed to compare the nocturnal HBP-lowering effects of differential ARB-based combination therapies in 411 Japanese patients with nocturnal hypertension (HT).Methods and Results:Patients with nocturnal BP ≥120/70 mmHg at baseline even under ARB therapy (100 mg irbesartan daily) were enrolled...
March 17, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28320747/association-of-cardiovascular-health-with-subclinical-disease-and-incident-events-the-multi-ethnic-study-of-atherosclerosis
#14
Tamar S Polonsky, Hongyan Ning, Martha L Daviglus, Kiang Liu, Gregory L Burke, Mary Cushman, John Eng, Aaron R Folsom, Pamela L Lutsey, Jennifer A Nettleton, Wendy S Post, Ralph L Sacco, Moyses Szklo, Donald M Lloyd-Jones
BACKGROUND: Few adults have ideal cardiovascular health (CVH). We studied associations of an overall CVH score with subclinical cardiovascular disease and events. We assessed whether associations varied by race/ethnicity. METHODS AND RESULTS: Among 5961 participants in the Multi-Ethnic Study of Atherosclerosis, components of CVH were measured at baseline, 2000-2002: systolic blood pressure, total cholesterol, fasting glucose, smoking, physical activity, diet, and body mass index...
March 20, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28320601/coronary-atherosclerosis-in-indigenous-south-american-tsimane-a-cross-sectional-cohort-study
#15
Hillard Kaplan, Randall C Thompson, Benjamin C Trumble, L Samuel Wann, Adel H Allam, Bret Beheim, Bruno Frohlich, M Linda Sutherland, James D Sutherland, Jonathan Stieglitz, Daniel Eid Rodriguez, David E Michalik, Chris J Rowan, Guido P Lombardi, Ram Bedi, Angela R Garcia, James K Min, Jagat Narula, Caleb E Finch, Michael Gurven, Gregory S Thomas
BACKGROUND: Conventional coronary artery disease risk factors might potentially explain at least 90% of the attributable risk of coronary artery disease. To better understand the association between the pre-industrial lifestyle and low prevalence of coronary artery disease risk factors, we examined the Tsimane, a Bolivian population living a subsistence lifestyle of hunting, gathering, fishing, and farming with few cardiovascular risk factors, but high infectious inflammatory burden. METHODS: We did a cross-sectional cohort study including all individuals who self-identified as Tsimane and who were aged 40 years or older...
March 16, 2017: Lancet
https://www.readbyqxmd.com/read/28319895/impact-of-high-cholesterol-and-endoplasmic-reticulum-stress-on-metabolic-diseases-an-updated-mini-review
#16
REVIEW
Erdi Sozen, Nesrin Kartal Ozer
Endoplasmic reticulum (ER) is the major site of protein folding and calcium storage. Beside the role of ER in protein homeostasis, it controls the cholesterol production and lipid-membrane biosynthesis as well as surviving and cell death signaling mechanisms in the cell. It is well-documented that elevated plasma cholesterol induces adverse effects in cardiovascular diseases (CVDs), liver disorders, such as non-alcoholic fatty liver disease (NAFLD), non-alcoholic steatosis hepatitis (NASH), and metabolic diseases which are associated with oxidative and ER stress...
March 6, 2017: Redox Biology
https://www.readbyqxmd.com/read/28319050/extracellular-matrix-proteomics-identifies-molecular-signature-of-symptomatic-carotid-plaques
#17
Sarah R Langley, Karin Willeit, Athanasios Didangelos, Ljubica Perisic Matic, Philipp Skroblin, Javier Barallobre-Barreiro, Mariette Lengquist, Gregor Rungger, Alexander Kapustin, Ludmilla Kedenko, Chris Molenaar, Ruifang Lu, Temo Barwari, Gonca Suna, Xiaoke Yin, Bernhard Iglseder, Bernhard Paulweber, Peter Willeit, Joseph Shalhoub, Gerard Pasterkamp, Alun H Davies, Claudia Monaco, Ulf Hedin, Catherine M Shanahan, Johann Willeit, Stefan Kiechl, Manuel Mayr
BACKGROUND: The identification of patients with high-risk atherosclerotic plaques prior to the manifestation of clinical events remains challenging. Recent findings question histology- and imaging-based definitions of the "vulnerable plaque," necessitating an improved approach for predicting onset of symptoms. METHODS: We performed a proteomics comparison of the vascular extracellular matrix and associated molecules in human carotid endarterectomy specimens from 6 symptomatic versus 6 asymptomatic patients to identify a protein signature for high-risk atherosclerotic plaques...
March 20, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28317879/a-novel-method-for-screening-adenosine-receptor-specific-agonists-for-use-in-adenosine-drug-development
#18
Karlie R Jones, Uimook Choi, Ji-Liang Gao, Robert D Thompson, Larry E Rodman, Harry L Malech, Elizabeth M Kang
Agonists that target the A1, A2A, A2B and A3 adenosine receptors have potential to be potent treatment options for a number of diseases, including autoimmune diseases, cardiovascular disease and cancer. Because each of these adenosine receptors plays a distinct role throughout the body, obtaining highly specific receptor agonists is essential. Of these receptors, the adenosine A2AR and A2BR share many sequence and structural similarities but highly differ in their responses to inflammatory stimuli. Our laboratory, using a combination of specially developed cell lines and calcium release analysis hardware, has created a new and faster method for determining specificity of synthetic adenosine agonist compounds for the A2A and A2B receptors in human cells...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28315879/heart-rate-variability-predicts-major-adverse-cardiovascular-events-and-hospitalization-in-maintenance-hemodialysis-patients
#19
Jiun-Chi Huang, I-Ching Kuo, Yi-Chun Tsai, Jia-Jung Lee, Lee-Moay Lim, Szu-Chia Chen, Yi-Wen Chiu, Jer-Ming Chang, Hung-Hun Chen
BACKGROUND/AIMS: Heart rate variability (HRV) has been linked to mortality in maintenance hemodialysis (HD) patients, but it is less clear whether HRV is associated with major adverse cardiovascular events (MACEs) and hospitalization. METHODS: This study enrolled 179 maintenance HD patients. HRV was measured to assess its prognostic significance in relation to MACEs and hospitalization. RESULTS: During the follow-up period of 33.3 ± 6.7 months, 36 (20...
March 17, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28315622/subclinical-atherosclerosis-statin-eligibility-and-outcomes-in-african-american-individuals-the-jackson-heart-study
#20
Ravi V Shah, Aferdita Spahillari, Stanford Mwasongwe, J Jeffrey Carr, James G Terry, Robert J Mentz, Daniel Addison, Udo Hoffmann, Jared Reis, Jane E Freedman, Joao A C Lima, Adolfo Correa, Venkatesh L Murthy
Importance: Modern prevention guidelines substantially increase the number of individuals who are eligible for treatment with statins. Efforts to refine statin eligibility via coronary calcification have been studied in white populations but not, to our knowledge, in large African American populations. Objective: To compare the relative accuracy of US Preventive Services Task Force (USPSTF) and American College of Cardiology/American Heart Association (ACC/AHA) recommendations in identifying African American individuals with subclinical and clinical atherosclerotic cardiovascular disease (ASCVD)...
March 18, 2017: JAMA Cardiology
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