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Ana Claudia Gomes Pereira Petisco, Jorge Eduardo Assef, Carlos Alberto de Jesus, Mohamed Hassan Saleh, Jose Eduardo Martins Barbosa, David Costa de Souza Le Bihan, Ibraim Masciarelli França Pinto, Simone Rolim Fernandes Fontes Pedra, Rodrigo Bellio de Mattos Barretto, Amanda Guerra de Moraes Rego Sousa
Cardiovascular diseases are the leading cause of mortality among women in several countries. Early detection of subclinical atherosclerosis (SA) could enable the adoption of preventive measures to avoid cardiovascular events. This study aimed to determine the prevalence of SA in Brazilian asymptomatic postmenopausal women in Framingham Risk Score (FRS) low and intermediate groups. Computed tomography (CT) and ultrasound (US) scans were performed in 138 asymptomatic postmenopausal women (56.1 ± 4.9 years of age) to survey for coronary artery and aortic calcification (CT scan) and assess carotid intima-media thickness (CIMT) and identify carotid plaques (US)...
October 20, 2016: International Journal of Cardiovascular Imaging
Ricardo Ladeiras-Lopes, Francisco Sampaio, Nuno Bettencourt, Ricardo Fontes-Carvalho, Nuno Ferreira, Adelino Leite-Moreira, Vasco Gama
INTRODUCTION AND OBJECTIVES: Obesity is an important cardiovascular risk factor and the location of fat deposits seems to be an important determinant of its metabolic impact. Visceral adipose tissue (VAT) exerts a harmful effect on metabolic homeostasis, but few longitudinal studies have evaluated the prognostic impact of the ratio of VAT to subcutaneous adipose tissue (SAT). This study aimed to evaluate whether the VAT/SAT ratio was associated with all-cause mortality and cardiac events...
October 17, 2016: Revista Española de Cardiología
Kongkiat Chaikriangkrai, Ghanshyam Palamaner Subash Shantha, Hye Yeon Jhun, Patompong Ungprasert, Gardar Sigurdsson, Faisal Nabi, John J Mahmarian, Su Min Chang
STUDY OBJECTIVE: Coronary artery calcium score (CACS) is a well-established test for risk stratifying asymptomatic patients. Recent studies also indicate that CACS may accurately risk stratify stable patients presenting to the emergency department (ED) with acute chest pain; however, many were underpowered. The purpose of this systematic review and meta-analysis is to evaluate the prognostic value and accuracy of a zero (normal) CACS for identifying patients at acceptable low risk for future cardiovascular events who might be safely discharged home from the ED...
October 10, 2016: Annals of Emergency Medicine
Nir Kampf, Chunxian Wu, Yilin Wang, Jacob Klein
The surface structure of the trimeric surfactant tri(dodecyldimethylammonioacetoxy)-diethyltriamine trichloride (DTAD) on mica, and the interactions between two such DTAD-coated surfaces were determined using atomic force microscopy and a surface force balance. In an aqueous solution of 3 mM, five times the critical aggregation concentration (CAC), the surfaces are coated with worm-like micelles or hemi-micelles and larger (ca. 80 nm) bilayer vesicles. Repulsive normal interactions between the surfaces indicate a net surface charge and a solution concentration of ions close to that expected from the CAC...
October 19, 2016: Langmuir: the ACS Journal of Surfaces and Colloids
Lea Azour, Michael A Kadoch, Thomas J Ward, Corey D Eber, Adam H Jacobi
BACKGROUND: Coronary artery calcium (CAC) is often identified on routine chest computed tomography (CT). The purpose of our study was to evaluate whether ordinal scoring of CAC on non-gated, routine chest CT is an accurate predictor of Agatston score ranges in a community-based population, and in particular to determine the accuracy of an ordinal score of zero on routine chest CT. METHODS: Two thoracic radiologists reviewed consecutive same-day ECG-gated and routine non-gated chest CT scans of 222 individuals...
October 5, 2016: Journal of Cardiovascular Computed Tomography
Mark V Pinti, Quincy A Hathaway, John M Hollander
Heart failure (HF) is an endpoint resulting from a number of disease states. The prognosis for HF patients is poor with survival rates precipitously low. Energy metabolism is centrally linked to the development of HF and it involves the proteomic remodeling of numerous pathways, many of which are targeted to the mitochondrion. MicroRNA (miRNA) are noncoding RNAs that influence post-transcriptional gene regulation. MiRNA have garnered considerable attention for their ability to orchestrate changes to the transcriptome and ultimately the proteome, during HF...
October 14, 2016: American Journal of Physiology. Heart and Circulatory Physiology
Ajaz A Bhat, Rizwan Ahmad, SrijayaPrakash B Uppada, Amar B Singh, Punita Dhawan
Epithelial-mesenchymal transition (EMT) is an important mechanism in cancer progression and malignancy including colorectal cancer (CRC). Importantly, inflammatory mediators are critical constituents of the local tumor environment and an intimate link between CRC progression and inflammation is now validated. We and others have reported key role of the deregulated claudin-1 expression in colon carcinogenesis including colitis-associated colon cancer (CAC). However, the causal association between claudin-1 expression and inflammation-induced colon cancer progression remains unclear...
October 11, 2016: Experimental Cell Research
Michael Messerli, Fabian Rengier, Lotus Desbiolles, Niklas F Ehl, Ralf W Bauer, Sebastian Leschka, Hatem Alkadhi, Simon Wildermuth, Claas P Nähle
RATIONALE AND OBJECTIVES: To evaluate the influence of advanced modeled iterative reconstruction (ADMIRE) on the coronary artery calcium (CAC) scores by computed tomography (CT). MATERIALS AND METHODS: Sixty patients underwent CAC imaging with dual-source 192-slice CT. Agatston, volume and mass score were calculated from filtered back projection (FBP) and iterative reconstructions with different levels of ADMIRE. Friedman test and Wilcoxon rank sum test were used for multiple comparisons of CAC values and the difference ratio among different ADMIRE groups using FBP as reference...
October 11, 2016: Academic Radiology
Alain G Bertoni, Holly Kramer, Karol Watson, Wendy S Post
Diabetes mellitus is a major cardiovascular risk factor and its prevalence has been increasing globally. This review examines the contributions of the MESA (Multi-Ethnic Study of Atherosclerosis), a diverse American cohort (6,814 adults ages 45 to 84, recruited from 2000 to 2002, 50% female, 62% nonwhite) toward understanding the relationship between diabetes and clinical and subclinical cardiovascular disease. People with diabetes have a high burden of subclinical vascular disease as measured by coronary artery calcification (CAC), carotid artery intima-media thickness, valvular calcification, and alterations in left ventricular structure...
September 2016: Global Heart
Michael H Criqui, Victor Aboyans, Matthew A Allison, Julie O Denenberg, Nketi Forbang, Mary M McDermott, Christina L Wassel, Nathan D Wong
We reviewed published MESA (Multi-Ethnic Study of Atherosclerosis) study articles concerning peripheral arterial disease, subclavian stenosis (SS), abdominal aortic calcium (AAC), and thoracic artery calcium (TAC). Important findings include, compared to non-Hispanic whites, lower ankle-brachial index (ABI) and more SS in African Americans, and higher ABI and less SS in Hispanic and Chinese Americans. Abnormal ABI and brachial pressure differences were associated with other subclinical cardiovascular disease (CVD) measures...
September 2016: Global Heart
Kazuhiro Osawa, Rine Nakanishi, Matthew Budoff
Coronary artery calcification (CAC) is an established marker of subclinical atherosclerosis and an independent predictor of future coronary heart disease in the asymptomatic primary prevention population, particularly in the intermediate risk cohort. CAC also helps in reclassifying those patients and their risk of cardiovascular events into higher or lower risk categories. MESA (Multi-Ethnic Study of Atherosclerosis) is a National Heart, Lung, and Blood Institute-sponsored population-based medical research study involving 6,814 men and women from 6 U...
September 2016: Global Heart
Allison J Carroll, Mercedes R Carnethon, Kiang Liu, David R Jacobs, Laura A Colangelo, Jesse C Stewart, J Jeffrey Carr, Rachel Widome, Reto Auer, Brian Hitsman
Objective: Evaluate whether smoking exposure and depressive symptoms accumulated over 25 years are synergistically associated with subclinical heart disease, measured by coronary artery calcification (CAC). Method: Participants (baseline: 54.5% women; 51.5% Black; age range = 18-30 years) were followed prospectively from 1985 to 2010 in the Coronary Artery Risk Development in Young Adults (CARDIA) study. Smoking status was queried yearly from Year 0 to Year 25 to compute packyears of smoking exposure. Depressive symptoms were measured on the Center for Epidemiologic Studies Depression (CES-D) scale every 5 years to compute cumulative scores from Year 5 to Year 25...
October 13, 2016: Health Psychology: Official Journal of the Division of Health Psychology, American Psychological Association
Lijie Zhu, Jingjing Liu, Chuanyu Gao, Wenli Zhao, Jing Que, Xianpei Wang, Datun Qi, Jun Liu, Wentao Xiao, Juanjuan Yan, Wentao Li, You Zhang, Honghui Yang
OBJECTIVE: Diabetes substantially increases the risk of cardiovascular disease (CAD) and is associated with an increased risk of CAD mortality. The purpose of this study was to investigate the differences in coronary artery plaque, coronary artery calcification (CAC) measured in outpatients with and without type 2 diabetes, and the occurrence rate of a major adverse cardiac event (MACE) throughout follow-up with the same patients. METHODS: Five hundred eighty-eight outpatients with suspected CAD comprising 208 diabetic and 380 non-diabetic patients were enrolled in this study...
2016: SpringerPlus
Shuji Hibiya, Kiichiro Tsuchiya, Ryohei Hayashi, Keita Fukushima, Nobukatsu Horita, Sho Watanabe, Tomoaki Shirasaki, Ryu Nishimura, Natsuko Kimura, Tatsunori Nishimura, Noriko Gotoh, Shigeru Oshima, Ryuichi Okamoto, Tetsuya Nakamura, Mamoru Watanabe
BACKGROUND & AIMS: Patients with ulcerative colitis (UC) are at an increased risk of developing colitis-associated cancer (CAC), suggesting that continuous inflammation in the colon promotes the transformation of colonic epithelial cells. However, the mechanisms underlying cell transformation in UC remain unknown. We therefore aimed to investigate the effect of long-term inflammation on intestinal epithelial cells (IECs) using organoid culture. METHODS: IECs were isolated from mice colon, and were cultured according to a method for a three-dimensional (3D) organoid culture...
October 11, 2016: Journal of Crohn's & Colitis
John J B Anderson, Bridget Kruszka, Joseph A C Delaney, Ka He, Gregory L Burke, Alvaro Alonso, Diane E Bild, Matthew Budoff, Erin D Michos
BACKGROUND: Recent randomized data suggest that calcium supplements may be associated with increased risk of cardiovascular disease (CVD) events. Using a longitudinal cohort study, we assessed the association between calcium intake, from both foods and supplements, and atherosclerosis, as measured by coronary artery calcification (CAC). METHODS AND RESULTS: We studied 5448 adults free of clinically diagnosed CVD (52% female; aged 45-84 years) from the Multi-Ethnic Study of Atherosclerosis...
October 11, 2016: Journal of the American Heart Association
Ji Hyun Lee, Donghee Han, Bríain Ó Hartaigh, Asim Rizvi, Heidi Gransar, Hyung-Bok Park, Hyo Eun Park, Su-Yeon Choi, Eun Ju Chun, Jidong Sung, Sung Hak Park, Hae-Won Han, James K Min, Hyuk-Jae Chang
BACKGROUND: The aim of this study was to examine whether zero coronary artery calcium (CAC) score is associated with favorable prognosis of all-cause mortality (ACM) according to a panel of conventional risk factors (RF) in asymptomatic Korean adults.Methods and Results:A total of 48,215 individuals were stratified according to presence/absence of CAC, and the following RF were examined: hypertension, diabetes, current smoking, high low-density lipoprotein cholesterol, and low high-density lipoprotein cholesterol...
October 4, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
Yoshiaki Tagawa, Kenichi Namba, Yumi Nakazono, Daiju Iwata, Susumu Ishida
BACKGROUND: The efficacy of epinastine 0.05% ophthalmic solution for pollen allergic conjunctivitis has already been shown in a conjunctival allergen challenge (CAC) test using cedar pollen as a challenge. The present study investigated the efficacy of this solution against birch pollen conjunctivitis in a CAC test. METHODS: Ten adult subjects (eight males and two females) with asymptomatic birch pollen conjunctivitis were enrolled in this study. The average age of the subjects was 41...
October 6, 2016: Allergology International: Official Journal of the Japanese Society of Allergology
Elsemiek M Engbers, Jorik R Timmer, Jan Paul Ottervanger, Mohamed Mouden, Siert Knollema, Pieter L Jager
The coronary artery calcium (CAC) score provides independent prognostic value on top of single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI). We sought to determine whether the prognostic value of the CAC score in patients with normal SPECT MPI is gender specific. We studied 3,705 consecutive symptomatic patients without a history of coronary artery disease with normal SPECT MPI. All patients underwent concomitant CAC scoring, which was categorized as CAC score 0, 1 to 99, 100 to 399, 400 to 999, or ≥1,000...
August 30, 2016: American Journal of Cardiology
Young-Mi Eun, Sung-Goo Kang, Sang-Wook Song
BACKGROUND: Prediabetes is associated with an increased risk of cardiovascular disease (CVD). While the association of impaired glucose tolerance with CVD has been shown in many studies, the relationship between impaired fasting glucose (IFG) and CVD remains unclear. OBJECTIVES: The purpose of this study was to compare the coronary artery calcium (CAC) scores of participants with normal fasting glucose versus those with IFG, according to fasting plasma glucose (FPG) levels, and to assess whether differences in CAC scores were independent of important confounders...
September 2016: Annals of Saudi Medicine
Eunjin Bae, Eun Yong Seong, Byoung-Geun Han, Dong Ki Kim, Chun Soo Lim, Shin-Wook Kang, Cheol Whee Park, Chan-Duck Kim, Byung Chul Shin, Sung Gyun Kim, Wookyung Chung, Jae Yoon Park, Joo Yeon Lee, Yon Su Kim
Introduction Patients with chronic kidney disease have an extremely high risk of developing cardiovascular disease (CVD). In patients with end-stage renal disease (ESRD), coronary artery calcification (CAC) is associated with increased mortality from CVD. Methods The present study aimed to investigate the risk factors for CAC in Korean patients with incident dialysis. Data on 423 patients with ESRD who started dialysis therapy between December 2012 and March 2014 were obtained from 10 university-affiliated hospitals...
October 5, 2016: Hemodialysis International
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