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https://www.readbyqxmd.com/read/28722518/effects-of-pentoxifylline-on-hemodynamic-hemorheological-and-microcirculatory-parameters-in-young-shrs-during-arterial-hypertension-development
#1
Mark B Plotnikov, Oleg I Aliev, Alexander Y Shamanaev, Anastasia V Sidekhmenova, Yana Anfinogenova, Anna M Anishchenko, Tatiana I Fomina, Alexander M Arkhipov
The most common form of hypertension in young adults is isolated diastolic hypertension. Diastolic arterial pressure is determined by the total peripheral resistance and depends on both vascular hindrance and blood viscosity. The aim of our work was to study the efficiency of pentoxifylline (PTX) in young spontaneously hypertensive rats (SHRs) during the development of arterial hypertension. The effects of a treatment course with PTX (100 mg/kg/day p.o. for 6 weeks, from 5 to 11 weeks old) on the mean, systolic, and diastolic blood pressure (BP); stroke volume; cardiac output; total peripheral resistance (TPR); whole blood viscosity (BV); plasma viscosity; hematocrit; RBC aggregation and deformability; local cerebral blood flow (lCBF); and microvascularization of the visual cortex were studied in SHRs in comparison with control SHRs and Wistar Kyoto rats...
July 19, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28722487/left-ventricular-hypertrophy-in-acute-stroke-patients-with-known-hypertension
#2
Askiel Bruno, Desiree D Brooks, Taryn A Abrams, Mitra D Poorak, Drew Gunio, Prianka K Kandhal, Aleena Lakhanpal, Arun K Nagabandi, Abiodun E Akinwuntan, Stephen Looney, Pascha E Schafer
BACKGROUND: Despite effective treatments, hypertension remains uncontrolled in nearly half of the people with hypertension in the United States. Uncontrolled hypertension leads to end organ damage, such as left ventricular hypertrophy (LVH). To identify reasons for uncontrolled hypertension, we interviewed acute stroke patients with a history of hypertension and evaluated for LVH. METHODS: Using a standardized questionnaire, we collected demographic, socioeconomic, and health-care data in 300 acute ischemic and hemorrhagic stroke patients in one hospital...
July 19, 2017: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/28721341/effects-of-eplerenone-on-resistance-to-antihypertensive-medication-in-patients-with-primary-or-secondary-hyperaldosteronism
#3
J David Spence, Chrysi Bogiatzi, Mariya Kuk, George K Dresser, Daniel G Hackam
BACKGROUND AND OBJECTIVES: Resistant hypertension is an important problem; nearly half of diagnosed hypertensives are not controlled to target blood pressure levels, and approximately 90% of strokes occur among patients with resistant hypertension. Primary aldosteronism accounts for approximately 20% of resistant hypertension, but the role of secondary hyperaldosteronism in resistant hypertension is seldom considered. We assessed the effects of eplerenone in patients with hypertension and either primary or secondary hyperaldosteronism...
June 2017: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/28721209/recent-advances-in-preventing-stroke-recurrence
#4
REVIEW
J David Spence
Recent advances in secondary stroke prevention include new evidence in hypertension, nutrition, anticoagulation, antiplatelet therapy, intracranial stenosis, percutaneous closure of patent foramen ovale, and lipid-lowering therapy. Individualized therapy for hypertension based on phenotyping with plasma renin and aldosterone markedly improves blood pressure control in patients with resistant hypertension. A Mediterranean diet can reduce the risk of stroke by nearly half. The diagnosis and treatment of metabolic vitamin B12 deficiency, and B vitamins to lower homocysteine, can reduce the risk of stroke by approximately 30%...
2017: F1000Research
https://www.readbyqxmd.com/read/28720631/accrued-cost-savings-of-a-free-clinic-using-quality-adjusted-life-years-saved-and-return-on-investment
#5
Jim Sanders, Marcus Lacey, Clare E Guse
INTRODUCTION: Savings garnered through the provision of preventive services is a form of profit for health systems. Free clinics have been using this logic to demonstrate their cost-savings. The Community-Based Chronic Disease Management (CCDM) clinic treats hypertension using nurse-led teams, clinical protocols, and community-based settings. METHODS: We calculated CCDM's cost-effectiveness from 2007 to 2013 using 2 metrics: Quality-adjusted life years (QALYs) saved and return on investment (ROI)...
July 2017: Journal of the American Board of Family Medicine: JABFM
https://www.readbyqxmd.com/read/28720600/is-the-mechanism-of-re-expansion-pulmonary-oedema-in-a-heart-lung-interaction
#6
Candy Masego Mokotedi, Martin Balik
The mechanism of re-expansion pulmonary oedema (Re-PE) is unclear. There are multiple variables in play when evaluating the response to evacuation of pleural fluid. We present an educational case of a critically ill patient admitted for respiratory failure who was fully dependent on ventricular pacing set at a constant rate throughout the episode of Re-PE. The transthoracic echocardiography (TTE) showed an ejection fraction of 38%, moderate mitral regurgitation (MR), mildly dilated right ventricle and moderate pulmonary hypertension...
July 18, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28718048/joint-effects-of-gwas-snps-in-coagulation-system-confer-risk-to-hypertensive-intracerebral-hemorrhage
#7
Yanyan Cao, Min Tian, Qin Fang, Zheng Wen, Wei Wang, Hu Ding, Dao Wen Wang
Recent genome-wide association studies (GWAS) have identified numerous single nucleotide polymorphisms (SNPs) associated with coagulation system, including hemostatic factors and hematological phenotypes. However, few articles described the relationships between these SNPs and the risk of hemorrhagic stroke. The aim of our study was to evaluate the roles of these SNPs as risk factors and survival predictors for hemorrhagic stroke. Thirteen SNPs from GWAS in coagulation system were genotyped in a Chinese Han population including 1000 patients with hemorrhagic stroke (intracerebral hemorrhage, ICH = 743; subarachnoid hemorrhage, SAH = 257) and 1044 population-based controls...
July 17, 2017: Neuromolecular Medicine
https://www.readbyqxmd.com/read/28717584/pulse-wave-analysis-with-diffusing-wave-spectroscopy
#8
Markus Belau, Wolfgang Scheffer, Georg Maret
Hypertension is a major risk factor for cardiovascular disease and thus at the origin of many deaths by e.g. heart attack or stroke. Hypertension is caused by many factors including an increase in arterial stiffness which leads to changes in pulse wave velocity and wave reflections. Those often result in an increased left ventricular load which may result in heart failure as well as an increased pulsatile pressure in the microcirculation l to damage to blood vessels. In order to specifically treat the different causes of hypertension it is desirable to perform a pulse wave analysis as a complement to measurements of systolic and diastolic pressure by brachial cuff sphygmomanometry...
July 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28717529/daily-variation-in-the-occurrence-of-different-subtypes-of-stroke
#9
Luciana Ripamonti, Roberto Riva, Fabiola Maioli, Corrado Zenesini, Gaetano Procaccianti
Three thousand two hundred and ninety-eight patients admitted to our Stroke Unit with hemorrhagic, large artery atherosclerosis, cardioembolic, small-vessel occlusion, and undetermined etiology-cryptogenic strokes were included in the study. The circadian variability in onset in each stroke subgroup and the associations with various risk factors were analyzed. In each subgroup, a significant minority of patients suffered from stroke during sleep. In the ischemic group, hypercholesterolemia, paroxysmal atrial fibrillation, and previous myocardial infarction facilitated the onset during waking...
2017: Stroke Research and Treatment
https://www.readbyqxmd.com/read/28717428/awareness-toward-stroke-in-a-population-based-sample-of-iranian-adults
#10
Mozaffar Hosseininezhad, Hannan Ebrahimi, Seyed Mohammad Seyedsaadat, Babak Bakhshayesh, Motahareh Asadi, Amir Reza Ghayeghran
Background: Stroke is the leading cause of death and functional disability. While there have been major advances regarding the management of stroke, a significant proportion of people are still unaware of stroke-related symptoms and risk factors. This study was performed to assess the awareness of stroke's warning signs and risk factors among a sample of Iranian population. Methods: A total of 649 participants were randomly selected using systematic randomization from the list of telephone numbers obtained from the telephone directory...
January 5, 2017: Iranian Journal of Neurology
https://www.readbyqxmd.com/read/28717354/blood-pressure-and-penumbral-sustenance-in-stroke-from-large-vessel-occlusion
#11
REVIEW
Robert W Regenhardt, Alvin S Das, Christopher J Stapleton, Ronil V Chandra, James D Rabinov, Aman B Patel, Joshua A Hirsch, Thabele M Leslie-Mazwi
The global burden of stroke remains high, and of the various subtypes of stroke, large vessel occlusions (LVOs) account for the largest proportion of stroke-related death and disability. Several randomized controlled trials in 2015 changed the landscape of stroke care worldwide, with endovascular thrombectomy (ET) now the standard of care for all eligible patients. With the proven success of this therapy, there is a renewed focus on penumbral sustenance. In this review, we describe the ischemic penumbra, collateral circulation, autoregulation, and imaging assessment of the penumbra...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28716992/blood-pressure-trajectories-and-the-risk-of-intracerebral-hemorrhage-and-cerebral-infarction-a-prospective-study
#12
Weijuan Li, Cheng Jin, Anand Vaidya, Yuntao Wu, Kathryn Rexrode, Xiaoming Zheng, Mahmut E Gurol, Chaoran Ma, Shouling Wu, Xiang Gao
The association between long-term blood pressure (BP) patterns in community-dwelling adults and risk of intracerebral hemorrhage and cerebral infarction is not well characterized. This prospective study included 79 385 participants, free of stroke, myocardial infarction, and cancer in or before 2010 (baseline). Systolic BP trajectories were identified using latent mixture modeling with data from 2006, 2008, and 2010. Incident cases of intracerebral hemorrhage and cerebral infarction occurred during 2010 to 2014, confirmed by review of medical records, by 3 physicians...
July 17, 2017: Hypertension
https://www.readbyqxmd.com/read/28716979/blood-biomarkers-for-the-early-diagnosis-of-stroke-the-stroke-chip-study
#13
Alejandro Bustamante, Elena López-Cancio, Sara Pich, Anna Penalba, Dolors Giralt, Teresa García-Berrocoso, Carles Ferrer-Costa, Teresa Gasull, María Hernández-Pérez, Mónica Millan, Marta Rubiera, Pedro Cardona, Luis Cano, Helena Quesada, Mikel Terceño, Yolanda Silva, Mar Castellanos, Moisés Garces, Silvia Reverté, Xavier Ustrell, Rafael Marés, Joan Josep Baiges, Joaquín Serena, Francisco Rubio, Eduardo Salas, Antoni Dávalos, Joan Montaner
BACKGROUND AND PURPOSE: Stroke diagnosis could be challenging in the acute phase. We aimed to develop a blood-based diagnostic tool to differentiate between real strokes and stroke mimics and between ischemic and hemorrhagic strokes in the hyperacute phase. METHODS: The Stroke-Chip was a prospective, observational, multicenter study, conducted at 6 Stroke Centers in Catalonia. Consecutive patients with suspected stroke were enrolled within the first 6 hours after symptom onset, and blood samples were drawn immediately after admission...
July 17, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28716792/influence-of-family-history-on-the-willingness-of-outpatients-to-undergo-genetic-testing-for-salt-sensitive-hypertension-a-cross-sectional-study
#14
Taro Takeshima, Masanobu Okayama, Ryusuke Ae, Masanori Harada, Eiji Kajii
OBJECTIVES: It is unclear whether family medical history influences the willingness to undergo genetic testing. This study aimed to determine how family history affected the willingness to undergo genetic testing for salt-sensitive hypertension in patients with and without hypertension. DESIGN: Cross-sectional study using a self-administered questionnaire. SETTING: Six primary care clinics and hospitals in Japan. PARTICIPANTS: Consecutive 1705 outpatients aged >20 years, 578 of whom had hypertension...
July 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28716248/interleukin-6-il-6-rs1800796-and-cyclin-dependent-kinase-inhibitor-cdkn2a-cdkn2b-rs2383207-are-associated-with-ischemic-stroke-in-indigenous-west-african-men
#15
Rufus Akinyemi, Donna K Arnett, Hemant K Tiwari, Bruce Ovbiagele, Fred Sarfo, Vinodh Srinivasasainagendra, Marguerite Ryan Irvin, Abiodun Adeoye, Rodney T Perry, Albert Akpalu, Carolyn Jenkins, Lukman Owolabi, Reginald Obiako, Kolawole Wahab, Emmanuel Sanya, Morenikeji Komolafe, Michael Fawale, Philip Adebayo, Godwin Osaigbovo, Taofiki Sunmonu, Paul Olowoyo, Innocent Chukwuonye, Yahaya Obiabo, Onoja Akpa, Sylvia Melikam, Raelle Saulson, Raj Kalaria, Adesola Ogunniyi, Mayowa Owolabi
BACKGROUND: Inherited genetic variations offer a possible explanation for the observed peculiarities of stroke in sub - Saharan African populations. Interleukin-6 polymorphisms have been previously associated with ischemic stroke in some non-African populations. AIM: Herein we investigated, for the first time, the association of genetic polymorphisms of IL-6, CDKN2A- CDKN2B and other genes with ischemic stroke among indigenous West African participants in the Stroke Investigative Research and Education Network (SIREN) Study...
August 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28716216/1-4-times-increase-in-atrial-fibrillation-related-ischemic-stroke-and-tia-over-12years-in-a-stroke-center
#16
Qiong Yang, Leonid Churilov, Dongsheng Fan, Stephen Davis, Bernard Yan
BACKGROUND AND PURPOSE: Prevalence of atrial fibrillation (AF) has quadrupled in the past 50years in the general population. However, there is uncertainty regarding prevalence of AF over time in ischemic stroke patients given the aging population and enhanced surveillance of AF. We aimed to explore the changing prevalence of AF as well as other risk factors, stroke subtypes, investigations and pre-stroke medications among ischemic stroke and transient ischemic attack (TIA) patients. METHODS: We performed a retrospective analysis of data from a prospective database of consecutive patients with acute ischemic stroke and TIA from 2004 to 2015...
August 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28715882/influences-of-body-mass-index-and-physical-activity-on-hypertension-and-stroke-in-korean-adult-males-10-year-longitudinal-study
#17
Yonghwan Kim, Haemi Jee
PURPOSE: Hypertension and stroke have been major causes of increased mortality and social and economic burden in Korea. Although physical activity is one of the critical factors for managing adult diseases, studies on the long-term effects are rarely discussed. Therefore, the aim of this study was to elucidate the role of physical activity in hypertension and stroke via a 10-year longitudinal study. METHODS: Routinely performed health examination data of 5,624,503 Korean men between ages 20 to 70 obtained from the Korean National Health and Nutrition Examination Survey (KNHNES: 2001-2011) were assessed for this study...
June 30, 2017: Journal of Exercise Nutrition & Biochemistry
https://www.readbyqxmd.com/read/28715555/application-of-a-lifestyle-based-tool-to-estimate-premature-cardiovascular-disease-events-in-young-adults-the-coronary-artery-risk-development-in-young-adults-cardia-study
#18
Holly C Gooding, Hongyan Ning, Matthew W Gillman, Christina Shay, Norrina Allen, David C Goff, Donald Lloyd-Jones, Stephanie Chiuve
Importance: Few tools exist for assessing the risk for early atherosclerotic cardiovascular disease (ASCVD) events in young adults. Objective: To assess the performance of the Healthy Heart Score (HHS), a lifestyle-based tool that estimates ASCVD events in older adults, for ASCVD events occurring before 55 years of age. Design, Setting, and Participants: This prospective cohort study included 4893 US adults aged 18 to 30 years from the Coronary Artery Risk Development in Young Adults (CARDIA) study...
July 17, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28713329/prevalence-incidence-prognosis-early-stroke-risk-and-stroke-related-prognostic-factors-of-definite-or-probable-transient-ischemic-attacks-in-china-2013
#19
Bin Jiang, Haixin Sun, Xiaojuan Ru, Dongling Sun, Zhenghong Chen, Hongmei Liu, Yichong Li, Mei Zhang, Limin Wang, Linhong Wang, Shengping Wu, Wenzhi Wang
The epidemiological characteristics of transient ischemic attacks (TIAs) in China are unclear. In 2013, we conducted a nationally representative, door-to-door epidemiological survey on TIA in China using a complex, multistage, probability sampling design. Results showed that the weighted prevalence of TIA in China was 103.3 [95% confidence interval (CI): 83.9-127.2] per 100,000 in the population, 92.4 (75.0-113.8) per 100,000 among men, and 114.7 (87.2-151.0) per 100,000 among women. The weighted incidence of TIA was 23...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28713263/the-frequency-dependent-aerobic-exercise-effects-of-hypothalamic-gabaergic-expression-and-cardiovascular-functions-in-aged-rats
#20
Yan Li, Ziqi Zhao, Jiajia Cai, Boya Gu, Yuanyuan Lv, Li Zhao
A decline in cardiovascular modulation is a feature of the normal aging process and associated with cardiovascular diseases (CVDs) such as hypertension and stroke. Exercise training is known to promote cardiovascular adaptation in young animals and positive effects on motor and cognitive capabilities, as well as on brain plasticity for all ages in mice. Here, we examine the question of whether aerobic exercise interventions may impact the GABAergic neurons of the paraventricular nucleus (PVN) in aged rats which have been observed to have a decline in cardiovascular integration function...
2017: Frontiers in Aging Neuroscience
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