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Jorge Kizer

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https://www.readbyqxmd.com/read/28583687/relation-of-serum-vitamin-d-to-risk-of-mitral-annular-and-aortic-valve-calcium-from-the-multi-ethnic-study-of-atherosclerosis
#1
Martin Tibuakuu, Di Zhao, Ian H de Boer, Eliseo Guallar, Anna E Bortnick, Pamela L Lutsey, Matthew J Budoff, Jorge R Kizer, Bryan R Kestenbaum, Erin D Michos
Serum 25-hydroxyvitamin D [25(OH)D] concentration has been identified as a possible modifiable risk factor for cardiovascular disease (CVD). We hypothesized that serum 25(OH)D concentration would be associated with calcifications of the left-sided heart valves, which are markers of CVD risk. Aortic valve calcium (AVC) and mitral annular calcium (MAC) were quantified from cardiac computed tomography scans performed on 5,530 Multi-Ethnic Study of Atherosclerosis participants at the baseline examination (2000 to 2002) and at a follow-up visit at either Examination 2 (2002 to 2004) or Examination 3 (2004 to 2005)...
May 11, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28560501/relationship-of-bone-mineral-density-with-valvular-and-annular-calcification-in-community-dwelling-older-people-the-cardiovascular-health-study
#2
Daniele Massera, Shuo Xu, Traci M Bartz, Anna E Bortnick, Joachim H Ix, Michel Chonchol, David S Owens, Eddy Barasch, Julius M Gardin, John S Gottdiener, John R Robbins, David S Siscovick, Jorge R Kizer
Associations between bone mineral density and aortic valvular, aortic annular, and mitral annular calcification were investigated in a cross-sectional analysis of a population-based cohort of 1497 older adults. Although there was no association between continuous bone mineral density and outcomes, a significant association between osteoporosis and aortic valvular calcification in men was found. INTRODUCTION: The process of cardiac calcification bears a resemblance to skeletal bone metabolism and its regulation...
December 2017: Archives of Osteoporosis
https://www.readbyqxmd.com/read/28515098/collagen-turnover-markers-in-relation-to-future-cardiovascular-and-noncardiovascular-disease-the-multi-ethnic-study-of-atherosclerosis
#3
Daniel A Duprez, Myron D Gross, Otto A Sanchez, Jorge R Kizer, Joachim H Ix, Joao Lima, Russell P Tracy, David R Jacobs
BACKGROUND: Sustained remodeling of extracellular matrix can compromise organs and tissues. Procollagen type III N-terminal propeptide (PIIINP) and collagen type I carboxy-terminal telopeptide (ICTP) reflect collagen synthesis and degradation. We studied their predictive value for future death and disease. METHODS: A total of 3068 men and women in the Multi-Ethnic Study of Atherosclerosis who were free of cardiovascular disease (CVD) and in generally good health had a baseline blood sample taken for ICTP and PIIINP...
May 17, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28438309/association-of-albuminuria-with-cardiac-dysfunction-in-us-hispanics-latinos
#4
David B Hanna, Shuo Xu, Michal L Melamed, Franklyn Gonzalez, Matthew A Allison, Martin S Bilsker, Barry E Hurwitz, Mayank M Kansal, Neil Schneiderman, Sanjiv J Shah, Robert C Kaplan, Carlos J Rodriguez, Jorge R Kizer
Higher urine albumin-to-creatinine ratio (UACR) has been associated with cardiac dysfunction in the general population. We assessed the association of UACR with cardiac structure and function in the Echocardiographic Study of Latinos (Echo-SOL), an ancillary study of the Hispanic Community Health Study/Study of Latinos across 4 US sites. Echo-SOL participants underwent standard 2-dimensional echocardiography, including speckle-tracking strain analysis. UACR was categorized as normal and high-normal (based on the midpoint of values below microalbuminuria), microalbuminuria (≥17 mg/g for men; ≥25 mg/g for women), and macroalbuminuria (≥250 mg/g; ≥355 mg/g)...
March 29, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28379451/detection-of-genetic-loci-associated-with-plasma-fetuin-a-a-meta-analysis-of-genome-wide-association-studies-from-the-charge-consortium
#5
Majken K Jensen, Richard A Jensen, Kenneth J Mukamal, Xiuqing Guo, Jie Yao, Qi Sun, Marilyn Cornelis, Yongmei Liu, Ming-Huei Chen, Jorge R Kizer, Luc Djoussé, David S Siscovick, Bruce M Psaty, Joseph M Zmuda, Jerome I Rotter, Melissa Garcia, Tamara Harris, Ida Chen, Mark O Goodarzi, Michael A Nalls, Margaux Keller, Alice M Arnold, Anne B Newman, Ron C Hoogeveen, Kathryn M Rexrode, Eric B Rimm, Frank B Hu, Vasan S Ramachandran, Ronit Katz, James S Pankow, Joachim H Ix
Plasma fetuin-A is associated with type 2 diabetes, and AHSG, the gene encoding fetuin-A, has been identified as a susceptibility locus for diabetes and metabolic syndrome. Thus far, unbiased investigations of the genetic determinants of plasma fetuin-A concentrations have not been conducted. We searched for single nucleotide polymorphisms (SNPs) related to fetuin-A concentrations by a genome-wide association study in six population-based studies. We examined the association of fetuin-A levels with ∼ 2...
June 1, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28328784/direct-xa-inhibitors-in-addition-to-antiplatelet-therapy-in-acute-coronary-syndrome-meta-analysis-of-randomized-trials
#6
Pedro A Villablanca, David Holmes, Divyanshu Mohananey, David F Briceno, Ivan J Núñez Gil, Faraj Kargoli, Tanush Gupta, Jorge R Kizer, Anna E Bortnick, Jose Wiley, Mark A Menegus, Robert Pyo, Mario García, Harish Ramakrishna, Farouk Mookadam
OBJECTIVE: We carried out a meta-analysis summarizing the efficacy and safety of direct factor Xa inhibitor (DXI) in patients receiving guideline-based antiplatelet therapy (GBAT) after an acute coronary syndrome. BACKGROUND: Randomized-controlled trials have shown that the addition of a DXI to GBAT after acute coronary syndrome can reduce ischemic events, the trade-off being an increase in major bleeding complications. METHODS: PubMed, Central, Embase, The Cochrane Register, Google Scholar databases, and the scientific session abstracts were searched for eligible randomized trials from 1 January 1990 through 31 December 2016...
March 21, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28327102/higher-plasma-transforming-growth-factor-tgf-%C3%AE-is-associated-with-kidney-disease-in-older-community-dwelling-adults
#7
Tapan Mehta, Petra Buzkova, Jorge R Kizer, Luc Djousse, Michel Chonchol, Kenneth J Mukamal, Michael Shlipak, Joachim H Ix, Diana Jalal
BACKGROUND: TGF-β is induced in the vasculature with aging suggesting that high plasma TGF-β levels may be a risk factor for chronic kidney disease (CKD) in older adults. METHODS: We conducted a cross-sectional analysis of the association between plasma TGF-β levels and CKD including data for 1722 older adults who had participated in the 1996/97 visit of the Cardiovascular Health Study (CHS). Prevalent CKD was defined as eGFR < 60 mL/min/1.73 m(2) or urinary albumin/creatinine ratio (ACR) ≥30 mg/g...
March 21, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28288973/bone-mineral-density-and-risk-of-heart-failure-in-older-adults-the-cardiovascular-health-study
#8
Raymond B Fohtung, David L Brown, William J H Koh, Traci M Bartz, Laura D Carbone, Roberto Civitelli, Phyllis K Stein, Paulo H M Chaves, Bryan R Kestenbaum, Jorge R Kizer
BACKGROUND: Despite increasing evidence of a common link between bone and heart health, the relationship between bone mineral density (BMD) and heart failure (HF) risk remains insufficiently studied. METHODS AND RESULTS: We investigated whether BMD measured by dual-energy x-ray absorptiometry was associated with incident HF in an older cohort. Cox models were stratified by sex and interactions of BMD with race assessed. BMD was examined at the total hip and femoral neck separately, both continuously and by World Health Organization categories...
March 13, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28122840/triglyceride-and-hdl-c-dyslipidemia-and-risks-of-coronary-heart-disease-and-ischemic-stroke-by-glycemic-dysregulation-status-the-strong-heart-study
#9
Jennifer S Lee, Po-Yin Chang, Ying Zhang, Jorge R Kizer, Lyle G Best, Barbara V Howard
OBJECTIVE: High triglyceride (TG) levels and low HDL cholesterol (HDL-C) levels are risk factors for cardiovascular disease. It is unclear whether this relationship depends on glycemic dysregulation, sex, or LDL cholesterol (LDL-C) level. RESEARCH DESIGN AND METHODS: We studied 3,216 participants (40% men, 41% with diabetes) who were free of cardiovascular disease at baseline in a community-based, prospective cohort of American Indians (median follow-up 17.7 years)...
April 2017: Diabetes Care
https://www.readbyqxmd.com/read/28073429/relation-of-the-myocardial-contraction-fraction-as-calculated-from-m-mode-echocardiography-with-incident-heart-failure-atherosclerotic-cardiovascular-disease-and-mortality-results-from-the-cardiovascular-health-study
#10
Mathew S Maurer, William J H Koh, Traci M Bartz, Sirish Vullaganti, Eddy Barasch, Julius M Gardin, John S Gottdiener, Bruce M Psaty, Jorge R Kizer
We evaluated the association between 2-dimensional (2D) echocardiography (echo)-determined myocardial contraction fraction (MCF) and adverse cardiovascular outcomes including incident heart failure (HF), atherosclerotic cardiovascular disease (ASCVD), and mortality. The MCF, the ratio of left ventricular (LV) stroke volume (SV) to myocardial volume (MV), is a volumetric measure of myocardial shortening that can distinguish pathologic from physiological hypertrophy. Using 2D echo-guided M-mode data from the Cardiovascular Health Study, we calculated MCF in subjects with LV ejection fraction (EF) ≥55% and used Cox models to evaluate its association with incident HF, ASCVD, and all-cause mortality after adjusting for clinical and echo parameters...
March 15, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28055285/sleep-disordered-breathing-is-associated-with-higher-carboxymethyllysine-level-in-elderly-women-but-not-elderly-men-in-the-cardiovascular-health-study
#11
Peter D Ahiawodzi, Richard A Kerber, Kira C Taylor, Frank D Groves, Elizabeth O'Brien, Joachim H Ix, Jorge R Kizer, Luc Djoussé, Russell P Tracy, Anne B Newman, David S Siscovick, John Robbins, Kenneth Mukamal
CONTEXT: Carboxymethyl-lysine (CML) results from oxidative stress and has been linked to cardiovascular disease. OBJECTIVE: The objective of this study is to investigate the association between sleep-disordered breathing (SDB) - a source of oxidative stress - and CML. MATERIALS AND METHODS: About 1002 participants in the Cardiovascular Health Study (CHS) were studied. RESULTS: Women with SDB had significantly higher CML concentration compared with those without SDB (OR = 1...
May 2017: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/27835618/increased-glucose-transporter-1-expression-on-intermediate-monocytes-from-hiv-infected-women-with-subclinical-cardiovascular-disease
#12
Tiffany R Butterfield, David B Hanna, Robert C Kaplan, Jorge R Kizer, Helen G Durkin, Mary A Young, Marek J Nowicki, Phyllis C Tien, Elizabeth T Golub, Michelle A Floris-Moore, Kehmia Titanji, Margaret A Fischl, Sonya L Heath, Jefferey Martinson, Suzanne M Crowe, Clovis S Palmer, Alan L Landay, Joshua J Anzinger
OBJECTIVE: People living with HIV (PLWH) have chronic immune activation and increased cardiovascular disease (CVD) risk. Activation of monocytes and T lymphocytes causes upregulation of glucose transporter-1 (GLUT1) for efficient function. PLWH have an increased percentage of GLUT1-expressing monocytes and T lymphocytes, but it is unclear if these cells are associated with CVD. We evaluated the expression of GLUT1 and CD38 on monocyte and T lymphocyte populations from HIV-infected women with subclinical CVD...
January 14, 2017: AIDS
https://www.readbyqxmd.com/read/27820656/insulinlike-growth-factor-binding-protein-1-and-ghrelin-predict-health-outcomes-among-older-adults-cardiovascular-health-study-cohort
#13
Robert C Kaplan, Garrett Strizich, Chino Aneke-Nash, Clara Dominguez-Islas, Petra Bužková, Howard Strickler, Thomas Rohan, Michael Pollak, Lewis Kuller, Jorge R Kizer, Anne Cappola, Christopher I Li, Bruce M Psaty, Anne Newman
Context: Multiple diseases may explain the association of the growth hormone/insulinlike growth factor-I (GH/IGF-I) axis with longevity. Objective: To relate circulating GH/IGF-I system protein levels with major health events. Design and Setting: This is a cohort study set in 4 US communities. Participants: Adults (N = 2268) 65 years and older free of diabetes and cardiovascular disease. Measurements: We assessed insulinlike growth factor binding protein-1 (IGFBP-1) and ghrelin in fasting and 2-hour oral glucose tolerance test (OGTT) blood samples, as well as fasting IGF-I and IGFBP-3...
January 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27732332/testosterone-dihydrotestosterone-sex-hormone-binding-globulin-and-incident-diabetes-among-older-men-the-cardiovascular-health-study
#14
Katherine E Joyce, Mary L Biggs, Luc Djoussé, Joachim H Ix, Jorge R Kizer, David S Siscovick, Molly M Shores, Alvin M Matsumoto, Kenneth J Mukamal
Context: Although sex hormone-binding globulin (SHBG) and testosterone (T) have been inversely associated with risk of diabetes, few studies have examined dihydrotestosterone (DHT), a more potent androgen than T, in older adults, whose glycemic pathophysiology differs from younger adults. Objective: To determine the associations of SHBG, T, and DHT with insulin resistance and incident diabetes in older adult men. Design: In a prospective cohort study, we evaluated baseline levels of SHBG, T, and DHT using liquid chromatography-tandem mass spectrometry among 852 men free of diabetes and cardiovascular disease in the Cardiovascular Health Study in 1994...
January 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27683756/circulating-protein-z-concentration-proz-variants-and-unexplained-cerebral-infarction-in-young-and-middle-aged-adults
#15
Lili Zhang, Alan Z Segal, Dana Leifer, Roy L Silverstein, Linda M Gerber, Richard B Devereux, Jorge R Kizer
Protein Z (PZ) is a vitamin K-dependent plasma protein that exhibits both pro- and anticoagulant properties. Both low and high PZ levels have been linked to ischaemic stroke. Although PZ-lowering gene variants have been found to be less common in ischaemic stroke, the relationship remains unclear. We investigated PZ levels and PROZ variants in a multi-ethnic case-control study of unexplained stroke in participants aged 18 to 64. Plasma PZ was measured in cases (≥2 months post-stroke) and controls. PZ polymorphisms G79A (rs3024735) and A13G (2273971) were genotyped...
September 29, 2016: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/27621184/longitudinal-assessment-of-n-terminal-pro-b-type-natriuretic-peptide-and-risk-of-diabetes-in-older-adults-the-cardiovascular-health-study
#16
Erika F Brutsaert, Mary L Biggs, Joseph A Delaney, Luc Djoussé, John S Gottdiener, Joachim H Ix, Francis Kim, Kenneth J Mukamal, David S Siscovick, Russell P Tracy, Ian H de Boer, Christopher R deFilippi, Jorge R Kizer
INTRODUCTION: Natriuretic peptides have a well-recognized role in cardiovascular homeostasis. Recently, higher levels of B-type natriuretic peptide (BNP) have also been associated with decreased risk of diabetes in middle-aged adults. Whether this association persists into older age, where the pathophysiology of diabetes changes, has not been established, nor has its intermediate pathways. METHODS: We investigated the relationship between N-terminal (NT)-proBNP and incident diabetes in 2359 older adults free of cardiovascular disease or chronic kidney disease in the Cardiovascular Health Study...
October 2016: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/27575936/lipoprotein-a-level-apolipoprotein-a-size-and-risk-of-unexplained-ischemic-stroke-in-young-and-middle-aged-adults
#17
Azadeh Beheshtian, Sanyog G Shitole, Alan Z Segal, Dana Leifer, Russell P Tracy, Daniel J Rader, Richard B Devereux, Jorge R Kizer
BACKGROUND AND AIMS: Circulating lipoprotein (a) [Lp(a)] level relates inversely to apolipoprotein (a) [apo(a)] size. Both smaller apo(a) isoforms and higher Lp(a) levels have been linked to coronary heart disease and stroke, but their independent contributions are less well defined. We examined the role of Lp(a) in younger adults with cryptogenic stroke. METHODS: Lp(a) and apo(a) isoforms were evaluated in a prospectively designed case-control study of patients with unexplained ischemic stroke and stroke-free controls, ages 18 to 64...
October 2016: Atherosclerosis
https://www.readbyqxmd.com/read/27466464/practice-advisory-recurrent-stroke-with-patent-foramen-ovale-update-of-practice-parameter-report-of-the-guideline-development-dissemination-and-implementation-subcommittee-of-the-american-academy-of-neurology
#18
REVIEW
Steven R Messé, Gary Gronseth, David M Kent, Jorge R Kizer, Shunichi Homma, Lee Rosterman, Scott E Kasner
OBJECTIVE: To update the 2004 American Academy of Neurology guideline for patients with stroke and patent foramen ovale (PFO) by addressing whether (1) percutaneous closure of PFO is superior to medical therapy alone and (2) anticoagulation is superior to antiplatelet therapy for the prevention of recurrent stroke. METHODS: Systematic review of the literature and structured formulation of recommendations. CONCLUSIONS: Percutaneous PFO closure with the STARFlex device possibly does not provide a benefit in preventing stroke vs medical therapy alone (risk difference [RD] 0...
August 23, 2016: Neurology
https://www.readbyqxmd.com/read/27444412/trends-in-cardiovascular-disease-mortality-among-persons-with-hiv-in-new-york-city-2001-2012
#19
David B Hanna, Chitra Ramaswamy, Robert C Kaplan, Jorge R Kizer, Kathryn Anastos, Demetre Daskalakis, Regina Zimmerman, Sarah L Braunstein
BACKGROUND: Cardiovascular disease (CVD) has become more prominent among human immunodeficiency virus (HIV)-infected individuals. The extent to which CVD mortality rates are changing is unclear. METHODS: We analyzed surveillance data for all persons aged ≥13 years with HIV infection between 2001 and 2012 reported to the New York City HIV Surveillance Registry. We examined age-specific and age-standardized mortality rates due to major CVDs. We compared mortality time trends among persons with HIV with the general population, and examined differences among HIV-infected persons by RNA level...
October 15, 2016: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/27416945/genome-wide-association-study-of-the-modified-stumvoll-insulin-sensitivity-index-identifies-bcl2-and-fam19a2-as-novel-insulin-sensitivity-loci
#20
Geoffrey A Walford, Stefan Gustafsson, Denis Rybin, Alena Stančáková, Han Chen, Ching-Ti Liu, Jaeyoung Hong, Richard A Jensen, Ken Rice, Andrew P Morris, Reedik Mägi, Anke Tönjes, Inga Prokopenko, Marcus E Kleber, Graciela Delgado, Günther Silbernagel, Anne U Jackson, Emil V Appel, Niels Grarup, Joshua P Lewis, May E Montasser, Claes Landenvall, Harald Staiger, Jian'an Luan, Timothy M Frayling, Michael N Weedon, Weijia Xie, Sonsoles Morcillo, María Teresa Martínez-Larrad, Mary L Biggs, Yii-Der Ida Chen, Arturo Corbaton-Anchuelo, Kristine Færch, Juan Miguel Gómez-Zumaquero, Mark O Goodarzi, Jorge R Kizer, Heikki A Koistinen, Aaron Leong, Lars Lind, Cecilia Lindgren, Fausto Machicao, Alisa K Manning, Gracia María Martín-Núñez, Gemma Rojo-Martínez, Jerome I Rotter, David S Siscovick, Joseph M Zmuda, Zhongyang Zhang, Manuel Serrano-Rios, Ulf Smith, Federico Soriguer, Torben Hansen, Torben J Jørgensen, Allan Linnenberg, Oluf Pedersen, Mark Walker, Claudia Langenberg, Robert A Scott, Nicholas J Wareham, Andreas Fritsche, Hans-Ulrich Häring, Norbert Stefan, Leif Groop, Jeff R O'Connell, Michael Boehnke, Richard N Bergman, Francis S Collins, Karen L Mohlke, Jaakko Tuomilehto, Winfried März, Peter Kovacs, Michael Stumvoll, Bruce M Psaty, Johanna Kuusisto, Markku Laakso, James B Meigs, Josée Dupuis, Erik Ingelsson, Jose C Florez
Genome-wide association studies (GWAS) have found few common variants that influence fasting measures of insulin sensitivity. We hypothesized that a GWAS of an integrated assessment of fasting and dynamic measures of insulin sensitivity would detect novel common variants. We performed a GWAS of the modified Stumvoll Insulin Sensitivity Index (ISI) within the Meta-Analyses of Glucose and Insulin-Related Traits Consortium. Discovery for genetic association was performed in 16,753 individuals, and replication was attempted for the 23 most significant novel loci in 13,354 independent individuals...
October 2016: Diabetes
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