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https://www.readbyqxmd.com/read/28430614/features-and-risk-factors-of-carotid-atherosclerosis-in-a-population-with-high-stroke-incidence-in-china
#1
Yanqiu Zhang, Lingling Bai, Min Shi, Hongyan Lu, Yanan Wu, Jun Tu, Jingxian Ni, Jinghua Wang, Li Cao, Ping Lei, Xianjia Ning
Epidemiological studies have reported associations between traditional cardiovascular risk factors and carotid intima-media thickness (CIMT) or carotid plaque. However, definite risk factors at different phases of carotid atherosclerosis remain controversial. We aimed to explore risk factors and characteristics of carotid atherosclerosis at different stages in a low-income population with a high incidence of stroke in China. Between April 2014 and January 2015, we recruited 3789 stroke-free and cardiovascular disease-free residents aged ≥ 45 years...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427294/increased-phagocytic-nadph-oxidase-activity-associates-with-coronary-artery-calcification-in-asymptomatic-men
#2
Oscar Beloqui, María U Moreno, Gorka San José, Álvaro Pejenaute, Adriana Cortés, Manuel F Landecho, Javier Díez, Ana Fortuño, Guillermo Zalba
Vascular calcification is a common feature in atherosclerosis and associates with cardiovascular events. Oxidative stress may be involved in the pathogenesis of vascular calcification. Previous studies have shown that the phagocytic NADPH oxidase is associated with atherosclerosis. The objective of the present study was to investigate the association between phagocytic NADPH oxidase-mediated superoxide production and coronary artery calcium (CAC). NADPH oxidase-mediated superoxide production was determined by chemiluminescence and CAC by computed tomography in 159 asymptomatic men free of overt clinical atherosclerosis...
April 20, 2017: Free Radical Research
https://www.readbyqxmd.com/read/28427040/cortex-mori-radicis-extract-attenuates-myocardial-damages-in-diabetic-rats-by-regulating-ers
#3
Jiangfang Lian, Jiayuan Chen, Yanyan Yuan, Jiayi Chen, M Daud M Sayed, Lin Luo, Yabing Zhu, Song Li, Shizhong Bu
Diabetic cardiomyopathy (DCM) is diagnosed when patients with diabetes develop ventricular dysfunction but do not exhibit coronary atherosclerosis or hypertension. Cortex Mori (CM) Radicis,he epidermis of the root of Morus alba L, has been traditionally used for cough treatment in oriental medicine. In this study, we investigated the protection of myocardium by CM in streptozotocin (STZ)-induced diabetic rats and the underlying mechanisms. Diabetes was induced in rats by an injection of STZ at 25mg/kg. The animals were randomly divided into 4 groups: control, diabetes, diabetes with CM treatment, diabetes with CM preventative treatment...
April 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28424820/microparticles-during-long-term-follow-up-after-acute-myocardial-infarction-association-to-atherosclerotic-burden-and-risk-of-cardiovascular-events
#4
Christina Christersson, Åsa Thulin, Agneta Siegbahn
Microparticles (MPs) are formed from platelets (PMPs), endothelial cells (EMPs) and monocytes (MMPs), and in acute myocardial infarction (MI), there is an increase of MPs in the culprit artery. In this study MPs were evaluated in whole blood in 105 patients with MI at five time-points during a two-year follow-up (FU). Patients with non-ST-elevated MI had higher concentrations of CD41+MPs compared to ST-elevated MI patients (p=0.024). The concentrations of PMPs in whole blood increased during the time period (p<0...
April 20, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28415790/hyperglycemia-via-activation-of-thromboxane-a2-receptor-impairs-the-integrity-and-function-of-blood-brain-barrier-in-microvascular-endothelial-cells
#5
Zhihong Zhao, Jue Hu, Xiaoping Gao, Hui Liang, Haiya Yu, Suosi Liu, Zhan Liu
Diabetes is one of high risk factors for cardio- and cerebra-vascular diseases, including stroke, atherosclerosis and hypertension. This study was conducted to elucidate whether and how thromboxane receptor (TPr) activation contributes to blood-brain barrier (BBB) dysfunction in diabetes. Human brain microvascular endothelial cells (HBMECs) were cultured. The levels of phosphorylated endothelial nitric oxide synthase (eNOS) at Ser1177 (p-eNOS) and Akt at Ser473 (p-Akt) were assayed by western blot. Exposure of HBMECs to either high glucose (HG) or thromboxane A2 (TxA2) mimetic U46619, significantly reduced p-eNOS and p-Akt...
March 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414663/not-another-acs-rule-out
#6
S Preston, R Nelson, M Watts, D Smith, T Dewenter, D Spruill
CASE: A 50 year old African-American woman with diabetes, hypertension, and hyperlipidemia presented with progressively worsening retro-sternal chest pain, exacerbated by activity and relieved by rest. She also endorsed a thirty-pound unintentional weight loss, and dysphagia. She was dysarthric with left-sided Bell's Palsy and a palpable left axillary lymph node. She had been evaluated at several hospitals in the previous months for similar typical chest pain. Her troponin values were normal, and an EKG showed T-wave inversions in leads I and aVL...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28413991/potential-role-of-endothelin-in-early-vascular-aging
#7
Michelle Trindade, Wille Oigman, Mario Fritsch Neves
Early vascular aging is a process associated with gradual alterations in the vessels, regarding to their structure and function, taking a more rapid course than normal biological aging in the arteries. In the presence of cardiovascular disease, these age-associated alterations are accelerated, contributing for the appearance or the progression of cardiovascular disease, such as high blood pressure, dyslipidemia, smoking and diabetes. Endothelin-1 (ET-1) is the most abundant and important endothelin produced by vascular cells...
April 14, 2017: Current Hypertension Reviews
https://www.readbyqxmd.com/read/28413960/circulating-ace2-in-cardiovascular-and-kidney-diseases
#8
Lidia Anguiano Gómez, Marta Riera Oliva, Julio Pascual Santos, María José Soler
Angiotensin converting enzyme(ACE) 2 is a homologue of ACE that catalyzes the conversion of Angiotensin(Ang) II into Ang1-7, which induces vasodilation, anti-fibrotic, anti-proliferative and anti-inflammatory effects. Given that ACE2 counterbalances the effects of Ang II, it has been proposed as a biomarker in kidney disease patients. Circulating ACE2 has been studied in human and experimental studies under physiological and pathological conditions and different techniques have been assessed to determine its enzymatic activity...
April 14, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28407989/prevalence-of-calcified-carotid-artery-atheromas-on-digital%C3%A2-panoramic-images-among-perimenopausal-and%C3%A2-postmenopausal-african-american-women
#9
Nona Aghazadehsanai, Tina I Chang, Neal R Garrett, Arthur H Friedlander
OBJECTIVE: Health care disparities, often of an obscure nature, result in African American women (AAw) having enhanced risk of adverse cardiovascular events. Therefore, we sought to determine the prevalence of calcified carotid artery atheromas (CCAA), a validated risk indicator of these events, on their digital panoramic images. STUDY DESIGN: Comprehensive electronic medical records and digital panoramic images of self-identified AAw aged ≥45 years treated between 2007 and 2014 were retrieved from a Veterans Affairs Dental Service...
May 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28399252/association-between-midlife-vascular-risk-factors-and-estimated-brain-amyloid-deposition
#10
Rebecca F Gottesman, Andrea L C Schneider, Yun Zhou, Josef Coresh, Edward Green, Naresh Gupta, David S Knopman, Akiva Mintz, Arman Rahmim, A Richey Sharrett, Lynne E Wagenknecht, Dean F Wong, Thomas H Mosley
Importance: Midlife vascular risk factors have been associated with late-life dementia. Whether these risk factors directly contribute to brain amyloid deposition is less well understood. Objective: To determine if midlife vascular risk factors are associated with late-life brain amyloid deposition, measured using florbetapir positron emission tomography (PET). Design, Setting, and Participants: The Atherosclerosis Risk in Communities (ARIC)-PET Amyloid Imaging Study, a prospective cohort study among 346 participants without dementia in 3 US communities (Washington County, Maryland; Forsyth County, North Carolina; and Jackson, Mississippi) who have been evaluated for vascular risk factors and markers since 1987-1989 with florbetapir PET scans in 2011-2013...
April 11, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28399044/red-meat-consumption-and-cardiovascular-target-organ-damage-from-the-strong-heart-study
#11
Bernhard Haring, Wenyu Wang, Amanda Fretts, Daichi Shimbo, Elisa T Lee, Barbara V Howard, Mary J Roman, Richard B Devereux
OBJECTIVE: The aim of this study was to investigate whether red meat consumption is related to changes in left ventricular mass (LVM), left atrial diameter and carotid atherosclerosis in American Indians. METHODS: We prospectively analyzed echocardiographic and carotid ultrasound data of 1090 adults aged 40 years and older enrolled in the Strong Heart Family Study who were free of cardiovascular disease at baseline - 535 (49%) were hypertensive and 555 (51%) participants were nonhypertensive...
April 10, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28392544/impact-of-renal-functional-morphological-dynamics-on-the-calcification-of-coronary-and-abdominal-arteries-in-patients-with-chronic-kidney-disease
#12
Takeo Ichii, Ryota Morimoto, Takahiro Okumura, Hideki Ishii, Yosuke Tatami, Dai Yamamoto, Soichiro Aoki, Hiroaki Hiraiwa, Kenji Furusawa, Toru Kondo, Naoki Watanabe, Naoaki Kano, Kenji Fukaya, Akinori Sawamura, Susumu Suzuki, Yoshinari Yasuda, Toyoaki Murohara
AIM: Fast-progressing vascular calcification (VC) is accompanied by renal atrophy and functional deterioration along with atherosclerosis in patients with chronic kidney disease (CKD). However, the relationship between VC progression and renal functional and/or morphological changes remains unclear. METHODS: We included 70 asymptomatic patients with CKD without hemodialysis in our study. To identify temporal variations, the coronary artery calcification score (CACS), abdominal aortic calcification index (ACI), and renal parenchymal volume index (RPVI) were determined via spiral computed tomography scans taken during the study...
April 8, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28383435/asymptomatic-hyperuricemia-is-independently-associated-with-coronary-artery-calcification-in-the-absence-of-overt-coronary-artery-disease-a-single-center-cross-sectional-study
#13
Hyunwook Kim, Seok-Hyung Kim, Ah Ran Choi, Seungkyu Kim, Hoon Young Choi, Hyung Jong Kim, Hyeong-Cheon Park
Recently, the pathogenic role of uric acid (UA) in both systemic metabolic and atherosclerotic diseases has been investigated. We sought to determine the independent correlation between serum UA levels and coronary artery calcification, as a marker of subclinical atherosclerosis. A total of 4188 individuals without prior coronary artery disease or urate-deposition disease were included. All of the participants underwent multidetector computed tomography (MDCT) for the evaluation of coronary artery calcification (CAC) during their health check-ups...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28379030/the-role-of-iron-in-the-pathogenesis-of-atherosclerosis
#14
P Kraml
Ferritin and increased iron stores first appeared on the list of cardiovascular risk factors more than 30 years ago and their causal role in the pathogenesis of atherosclerosis has been heavily discussed since the early 1990s. It seems that besides traditional factors such as hyperlipoproteinemia, hypertension, diabetes mellitus, obesity, physical inactivity, smoking and family history, high iron stores represent an additional parameter that could modify individual cardiovascular risk. The role of iron in the pathogenesis of atherosclerosis was originally primarily associated with its ability to catalyze the formation of highly reactive free oxygen radicals and the oxidation of atherogenic lipoproteins...
April 5, 2017: Physiological Research
https://www.readbyqxmd.com/read/28378733/-prognostic-factors-in-patients-with-non-st-segment-elevation-acute-coronary-syndrome-concurrent-with-type-2-diabetes-mellitus-according-to-the-results-of-the-registry
#15
A P Golikov, S A Berns, R I Stryuk, E A Shmidt, A A Golikova, O L Barbarash
AIM: To investigate factors that influence annual prognosis in patients with non-ST-segment elevation acute coronary syndrome ((NSTEACS) concurrent with type 2 diabetes mellitus (DM2). SUBJECTS AND METHODS: The registry of patients with NSTEACS (non-ST-segment elevation myocardial infarction (NSTEMI), unstable angina) included 415 patients, of them 335 had no carbohydrate metabolic disorders, 80 had DM2. The follow-up period, during which the prognosis was evaluated in the patients, was one year after hospital discharge following the index NSTEACS event...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28377546/high-prevalence-of-coronary-artery-calcification-in-saudi-patients-with-normal-myocardial-perfusion
#16
Ahmed L Fathala, Salwa Q Bukhari, Mohamed Shoukri, Hani El Sergani, Bandar Al-Ghamdi, Abdulaziz Al-Sugair
BACKGROUND: Normal single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI) has a high negative predictive value for ischemic heart disease. Thus, the presence of subclinical coronary atherosclerosis detected by coronary artery calcification (CAC) score in patients who have under-gone SPECT MPI is unknown. OBJECTIVES: Determine the prevalence of coronary artery calcification (CAC) in patients with normal SPECT MPI and examine the association of CAC with conventional coronary artery disease (CAD) risk factors...
March 2017: Annals of Saudi Medicine
https://www.readbyqxmd.com/read/28367862/asymptomatic-plaques-of-lower-peripheral-arteries-and-their-association-with-cardiovascular-disease-an-autopsy-study
#17
Eriko Nakamura, Yuichiro Sato, Takashi Iwakiri, Atsushi Yamashita, Sayaka Moriguchi-Goto, Kazunari Maekawa, Toshihiro Gi, Yujiro Asada
AIM: Patients with peripheral artery disease (PAD) have a high prevalence of cardiovascular morbidity and mortality; however, majority of patients with PAD are asymptomatic. This study aimed to histologically evaluate whether asymptomatic, lower extremity artery plaques are associated with systemic atherosclerosis and the onset of cardiovascular disease (CVD) events using autopsy cases. METHODS: We histologically investigated the atherosclerotic plaques of the common iliac, common carotid, coronary, and renal arteries from 121 autopsy cases without symptoms of PAD (mean age:67...
March 31, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28365886/obstructive-sleep-apnea-induced-hypertension-role-of-the-gut-microbiota
#18
REVIEW
David J Durgan
PURPOSE OF REVIEW: Obstructive sleep apnea (OSA) is a significant risk factor for systemic hypertension and other cardiovascular diseases. While this relationship has been firmly established, a detailed understanding of how OSA leads to hypertension is lacking. This review will examine the emerging idea that the gut microbiota plays a role in the development of hypertension, including that associated with OSA. RECENT FINDINGS: Disruption of the normal composition of the gut microbiota, termed dysbiosis, has been identified in a number of metabolic and cardiovascular diseases, including diabetes, obesity, and atherosclerosis...
April 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28362975/gstm1-polymorphism-in-patients-with-clinical-manifestations-of-atherosclerosis
#19
D A Rodrigues, J V M Martins, K S F E Silva, I R Costa, M H Lagares, F L Campedelli, A M Barbosa, M P de Morais, K K V O Moura
Atherosclerosis is characterized by lesions, called atheroma or atheromatous plaques, in the inner layer of blood vessels, which block the vascular lumen and weaken the underlying tunica media. Several modifiable and non-modifiable risk factors for the development of atherosclerosis exist. The modifiable risk factors include hypertension, smoking, obesity, high LDL and low HDL cholesterol levels, sedentary lifestyle, and stress; the non-modifiable factors include diabetes mellitus, family history of hypertension and heart disease, thrombophilia, sex, age, and genetic factors...
March 15, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28361180/evaluation-of-endothelial-function-by-flow-mediated-dilation-a-comprehensive-review-in-rheumatic-disease
#20
REVIEW
Luca Moroni, Carlo Selmi, Claudio Angelini, Pier Luigi Meroni
Flow-mediated dilation (FMD) represents a non-invasive marker of endothelial function to evaluate vascular homeostasis, which reflects the effects of several mechanisms, including vessel tone regulation, cell proliferation, and inflammatory responses. Beyond classical atherosclerotic risk factors such as arterial hypertension, diabetes mellitus, smoking, obesity, and dyslipidemia, chronic inflammation contributes to the endothelial dysfunction causing plaque formation and there is growing evidence of a significantly higher cardiovascular morbidity associated with autoimmune diseases...
March 30, 2017: Archivum Immunologiae et Therapiae Experimentalis
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