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https://www.readbyqxmd.com/read/28445816/disinfection-byproduct-formation-in-drinking-water-sources-a-case-study-of-yuqiao-reservoir
#1
Hongyan Zhai, Xizhen He, Yan Zhang, Tingting Du, Adeyemi S Adeleye, Yao Li
This study investigated the potential formation of disinfection byproducts (DBPs) during chlorination and chloramination of 20 water samples collected from different points of Yuqiao reservoir in Tianjin, China. The concentrations of dissolved organic matter and ammonia decreased downstream the reservoir, while the specific UV absorbance (SUVA: the ratio of UV254 to dissolved organic carbon) increased [from 0.67 L/(mg*m) upstream to 3.58 L/(mg*m) downstream]. The raw water quality played an important role in the formation of DBPs...
April 15, 2017: Chemosphere
https://www.readbyqxmd.com/read/28445207/effect-of-renal-sympathetic-denervation-on-short-term-blood-pressure-variability-in-resistant-hypertension-a-meta-analysis
#2
Nikos Vogiatzakis, Costas Tsioufis, Georgios Georgiopoulos, Costas Thomopoulos, Kyriakos Dimitriadis, Alexandros Kasiakogias, Dimitrios Konstantinidis, Thodoris Kalos, Felix Mahfoud, Michael Doumas, Vasilios Papademetriou, Dimitrios Tousoulis
BACKGROUND/OBJECTIVES: Short-term blood pressure variability (BPV) is affected by multiple factors including the sympathetic nervous system drive. Regarding the latter, the novel interventional technology of renal denervation (RDN), by modulating the sympathetic system activation, could have a beneficial impact on BPV. The aim of the current study is to review and meta-analyze the available evidence on the effect of RDN on short-term BPV. METHODS: We searched Medline/PubMed database until October 2016 for studies with eligible content...
April 25, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28445206/independent-effects-of-blood-pressure-and-parathyroid-hormone-on-aortic-pulse-wave-velocity-in-untreated-chinese-patients
#3
Yi-Bang Cheng, Li-Hua Li, Qian-Hui Guo, Fei-Ka Li, Qi-Fang Huang, Chang-Sheng Sheng, Ji-Guang Wang, Jan A Staessen, Yan Li
OBJECTIVE: Whether or not calcium-regulating hormones stiffen arteries independent of blood pressure (BP) is uncertain. We investigated the independent associations of carotid-femoral pulse wave velocity (PWV) with 25-hydroxy-vitamin D [25(OH)D], parathyroid hormone (PTH) and 24-h ambulatory BP in untreated Chinese patients. METHODS: Consecutive untreated patients referred for ambulatory BP monitoring were recruited. PWV was measured with a high-fidelity micromanometer and the SphygmoCor software (AtCor Medical, West Ryde, New South Wales, Australia)...
April 25, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28444936/blood-flow-restriction-attenuates-eccentric-exercise-induced-muscle-damage-without-perceptual-and-cardiovascular-overload
#4
Victor M Curty, Alexandre B Melo, Leonardo C Caldas, Lucas Guimarães-Ferreira, Nuno F de Sousa, Paula F Vassallo, Elisardo C Vasquez, Valério G Barauna
The aim of this study was to evaluate the acute effects of high-intensity eccentric exercise (HI-ECC) combined with blood flow restriction (BFR) on muscle damage markers, and perceptual and cardiovascular responses. Nine healthy men (26 ± 1 years, BMI 24 ± 1 kg m(-) ²) underwent unilateral elbow extension in two conditions: without (HI-ECC) and with BFR (HI-ECC+BFR). The HI-ECC protocol corresponded to three sets of 10 repetitions with 130% of maximal strength (1RM). The ratings of perceived exertion (RPE) and pain (RPP) were measured after each set...
April 26, 2017: Clinical Physiology and Functional Imaging
https://www.readbyqxmd.com/read/28444926/which-blood-pressure-measurement-systolic-or-diastolic-better-predicts-future-hypertension-in-normotensive-young-adults
#5
Hiroshi Kanegae, Takamitsu Oikawa, Yukie Okawara, Satoshi Hoshide, Kazuomi Kario
The impact of age-related differences in blood pressure (BP) components on new-onset hypertension is not known. A follow-up examination of 93 303 normotensive individuals (mean age 41.1 years) who underwent a health checkup in 2005 was conducted every year for 8 years. The primary end point was new-onset hypertension (systolic BP [SBP]/diastolic BP [DBP] ≥140/90 mm Hg and/or the initiation of antihypertensive medications with self-reported hypertension). During the mean 4.9 years of follow-up, 14 590 subjects developed hypertension...
April 26, 2017: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/28441700/ultrasound-based-renal-sympathetic-denervation-for-the-treatment-of-therapy-resistant-hypertension-a-single-center-experience
#6
Karl Fengler, Robert Höllriegel, Thomas Okon, Thomas Stiermaier, Karl-Philipp Rommel, Stephan Blazek, Christian Besler, Max von Roeder, Martin Petzold, Gerhard Schuler, Philipp Lurz
INTRODUCTION: The effectiveness of renal sympathetic denervation (RDN) as a treatment for therapy-resistant hypertension has been doubted as the Simplicity-HTN-3 trial was unable to show any treatment benefit over sham procedure. This might partly be explained by a high procedural variability in treatment with radiofrequency-based catheters. Recently, newer systems for RDN, like ultrasound-based devices, have been introduced into practice. To date however, data on their effectiveness for the treatment of resistant hypertension are scarce...
June 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28441698/ambulatory-arterial-stiffness-index-and-its-role-in-assessing-arterial-stiffness-in-dialysis-patients
#7
Wenjin Liu, Jiajun Zhou, Jianping Chen, Meijuan Meng, Xiurong Li, Chaoqing Gao, Jianmei Zhou, Liang Wang, Zhuxing Sun, Hong Chu, Wei Fan, Youwei Bai, Junwei Yang
OBJECTIVE: Ambulatory arterial stiffness index (AASI) is a parameter derived from ambulatory blood pressure (ABP) readings. It is calculated as 1 minus the linear slope of DBP on SBP. We tested its value in assessing arterial stiffness in dialysis patients. METHODS: We performed a cross-sectional analysis of the baseline data from a cohort study. A total of 344 patients on maintenance hemodialysis from six tertiary hospitals were included. All patients underwent ABP monitoring and carotid-femoral pulse wave velocity (cfPWV) measurement...
June 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28441696/declining-blood-pressure-and-intensification-of-blood-pressure-management-among-people-over-80-years-cohort-study-using-electronic-health-records
#8
Rathi Ravindrarajah, Alex Dregan, Nisha C Hazra, Shota Hamada, Stephen H D Jackson, Martin C Gulliford
BACKGROUND: Management of high blood pressure (BP) in people over 80 years is controversial, but there is limited information available concerning the uptake of hypertension treatment at this age. OBJECTIVE: To evaluate use of antihypertensive drugs and changes in SBP and DBP from 2001 to 2014 in men and women aged 80 years and over. METHODS: Cohort study using primary care electronic health records of 265 225 participants from the UK Clinical Practice Research Datalink...
June 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28439881/effect-of-cocoa-on-blood-pressure
#9
REVIEW
Karin Ried, Peter Fakler, Nigel P Stocks
BACKGROUND: High blood pressure is an important risk factor for cardiovascular disease, contributing to about 50% of cardiovascular events worldwide and 37% of cardiovascular-related deaths in Western populations. Epidemiological studies suggest that cocoa-rich products reduce the risk of cardiovascular disease. Flavanols found in cocoa have been shown to increase the formation of endothelial nitric oxide which promotes vasodilation and therefore blood pressure reduction. Here we update previous meta-analyses on the effect of cocoa on blood pressure...
April 25, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28439679/screening-lactic-acid-bacteria-strains-with-ability-to-bind-di-n-butyl-phthalate-via-turbiscan-technique
#10
Zhao Lili, Zhao Hongfei, Sana Shoukat, Zhang Xiaochen, Zhang Bolin
Di-n-butyl phthalate (DBP) is a ubiquitous environmental contaminant that poses a risk to humans. Previous work indicates that the ability of lactic acid bacteria (LAB) to bind phthalic acid esters is strain-specific. As cell suspensions of LAB strains in aqueous solution are likely to be colloidal dispersions, this study provided a technique to efficiently screen LAB strains that bind DBP via Turbiscan, which has been widely used to measure the stability of emulsions or colloidal dispersions. Eleven LAB strains belonging to Lactobacillus plantarum, Lb...
April 24, 2017: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/28438199/risk-of-low-birth-weight-on-adulthood-hypertension-evidence-from-a-tertiary-care-hospital-in-a-south-asian-country-sri-lanka-a-retrospective-cohort-study
#11
Dileepa Senajith Ediriweera, Nuwani Dilina, Usha Perera, Francisco Flores, S Samita
BACKGROUND: Although low birth weight (LBW) is common in South Asian region there are not many studies being done to evaluate LBW and adulthood hypertension association in this region, including in Sri Lanka. Although this association has been studied in other regions, most studies have not evaluated this association in the presence of socioeconomic and lifestyle factors. This study was conducted to investigate whether low birth weight (LBW) is associated with adulthood hypertension after adjusting for other potential risk factors of hypertension...
April 24, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28437278/pharmacodynamic-and-kinetic-behavior-of-low-intermediate-and-high-dose-landiolol-during-long-term-infusion-in-caucasians
#12
Günther Krumpl, Ivan Ulč, Michaela Trebs, Pavla Kadlecová, Juri Hodisch, Gabriele Maurer, Bernhard Husch
PK, PD, safety, and tolerability of long-term administration of landiolol, a fast-acting cardioselective β-blocker, were investigated for the first time in Caucasian subjects in a prospective clinical trial.Blood concentrations of landiolol and its metabolites, HR, BP and ECG parameters were studied in twelve healthy volunteers receiving continuous infusions of a new 12 mg/mL formulation of landiolol using a dose-escalation regimen (10 µg/kg BW/min for 2 hr, 20 µg/kg BW/min for 2 hr, 40 µg/kg BW/min for 20 hr, 6 hr follow-up)...
April 18, 2017: Journal of Cardiovascular Pharmacology
https://www.readbyqxmd.com/read/28434969/translational-science-approach-for-assessment-of-cardiovascular-effects-and-proarrhythmogenic-potential-of-the-beta-3-adrenergic-agonist-mirabegron
#13
Cees Korstanje, Masanori Suzuki, Koichiro Yuno, Shuichi Sato, Masashi Ukai, Marlowe J Schneidkraut, Gan X Yan
INTRODUCTION: Translational assessment of cardiac safety parameters is a challenge in clinical development of beta-3 adrenoceptor agonists. The preclinical tools are presented that were used for assessing human safety for mirabegron. METHODS: Studies were performed on electrical conductance at ion channels responsible for cardiac repolarization (IKr, IKs, Ito, INa, and ICa,L), on QT-interval, subendocardial APD90, Tpeak-end interval, and arrhythmia's in ventricular dog wedge tissue in vitro and on cardiovascular function (BP, HR, and QTc) in conscious dogs...
April 20, 2017: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/28434477/niuhuang-jiangya-preparation-a-traditional-chinese-patent-medicine-for-essential-hypertension-a-systematic-review
#14
REVIEW
Hui Wang, Chunxiang Liu, Jingbo Zhai, Hongcai Shang
OBJECTIVES: Niuhuang Jiangya Preparation (NHJYP) is one of the most commonly used traditional Chinese patent medicines for essential hypertension (EH) in China. Our meta-analysis performed a systematic evaluation on the therapeutic efficacy and safety of NHJYP for EH. DESIGN: Systematic review and meta-analysis. METHODS: PubMed, Embase, the Cochrane library, CNKI,VIP, Sinomed, and Wanfang Database were searched up to June 2015. Randomized controlled trials (RCTs) comparing NHJYP or combined with western antihypertensive drugs (WAD) versus WAD were included...
April 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28434467/abdominal-and-auricular-acupuncture-reduces-blood-pressure-in-hypertensive-patients
#15
Hamid Abdi, Maryam Tayefi, Seyed Reza Moallem, Baxiao Zhao, Mojtaba Fayaz, Hossein Mohaddes Ardabili, Akram-Alsadat Razavi, Mahsa Darbandi, Sara Darbandi, Parisa Abbasi, Gordon A Ferns, Majid Ghayour-Mobarhan
INTRODUCTION: Hypertension is an important risk factor of cardiovascular disease (CVD), which is associated with premature death, myocardial infarction, stroke, peripheral vascular disease, and renal disease. The goal of the present study was to use a randomized controlled clinical trial to explore and compare the effectiveness of abdominal and auricular acupuncture on blood pressure in 440 subjects with and without obesity. METHODS: Four hundred participants were recruited and randomized to one of four groups: cases and controls receiving auricular acupuncture (204 subjects) and cases and controls receiving abdominal electroacupuncture (196 subjects)...
April 2017: Complementary Therapies in Medicine
https://www.readbyqxmd.com/read/28432733/variability-in-hba1c-blood-pressure-lipid-parameters-and-serum-uric-acid-and-risk-of-development-of-chronic-kidney-disease-in-type-2-diabetes
#16
Antonio Ceriello, Salvatore De Cosmo, Maria Chiara Rossi, Giuseppe Lucisano, Stefano Genovese, Roberto Pontremoli, Paola Fioretto, Carlo Giorda, Antonio Pacilli, Francesca Viazzi, Giuseppina Russo, Antonio Nicolucci
AIMS: Variability in HbA1c and blood pressure (BP) is associated with the risk of diabetic kidney disease (DKD). No evidence exists on the role of variability in lipids or serum uric acid (UA), or the interplay between the variability of different parameters, on renal outcomes. MATERIALS AND METHODS: Within the AMD Annals database we identified patients with ≥5 measurements of HbA1c, SBP and DBP, total-, HDL- and LDL- cholesterol, triglycerides, and UA. Patients were followed-up for up to 5 years...
April 21, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28431987/patterns-of-brain-and-cardiovascular-activation-while-solving-rule-discovery-and-rule-application-numeric-tasks
#17
Tytus Sosnowski, Andrzej Rynkiewicz, Małgorzata Wordecha, Anna Kępkowicz, Adrianna Majewska, Aleksandra Pstrągowska, Tomasz Oleksy, Marek Wypych, Artur Marchewka
It is known that solving mental tasks leads to tonic increase in cardiovascular activity. Our previous research showed that tasks involving rule application (RA) caused greater tonic increase in cardiovascular activity than tasks requiring rule discovery (RD). However, it is not clear what brain mechanisms are responsible for this difference. The aim of two experimental studies was to compare the patterns of brain and cardiovascular activity while both RD and the RA numeric tasks were being solved. The fMRI study revealed greater brain activation while solving RD tasks than while solving RA tasks...
April 18, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28431873/a-novel-clinical-index-for-the-assessment-of-rvd-in-acute-pulmonary-embolism-blood-pressure-index
#18
Hale Ates, Ihsan Ates, Harun Kundi, Mehmet Fettah Arikan, Fatma Meric Yilmaz
BACKGROUND: This study aims to investigate the role of the blood pressure index (BPI), which is a new index that we developed, in detection of right ventricular dysfunction (RVD) in acute pulmonary embolism (APE). METHODS: A total of 539 patients, (253 males and 286 females), diagnosed with APE using computer tomography pulmonary angiography were included in the study. The BPI was obtained by dividing systolic blood pressure (SBP) by diastolic blood pressure (DBP)...
April 12, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28430838/elevated-pulse-pressure-levels-are-associated-with-increased-in-hospital-mortality-in-acute-spontaneous-intracerebral-hemorrhage
#19
Jason J Chang, Yasser Khorchid, Kira Dillard, Ali Kerro, Lucia Goodwin Burgess, Georgy Cherkassky, Nitin Goyal, Kristina Chapple, Anne W Alexandrov, David Buechner, Andrei V Alexandrov, Georgios Tsivgoulis
OBJECTIVES: Clinical outcome after intracerebral hemorrhage (ICH) remains poor. Definitive phase-3 trials in ICH have failed to demonstrate improved outcomes with intensive systolic blood pressure (SBP) lowering. We sought to determine whether other BP parameters-diastolic BP (DBP), pulse pressure (PP), and mean arterial pressure (MAP)-showed an association with clinical outcome in ICH. METHODS: We retrospectively analyzed a prospective cohort of 672 patients with spontaneous ICH and documented demographic characteristics, stroke severity, and neuroimaging parameters...
April 19, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28428231/thresholds-for-ambulatory-blood-pressure-among-african-americans-in-the-jackson-heart-study
#20
Joseph E Ravenell, Daichi Shimbo, John N Booth, Daniel F Sarpong, Charles Agyemang, Danielle L Beatty Moody, Marwah Abdalla, Tanya M Spruill, Amanda J Shallcross, Adam P Bress, Paul Muntner, Gbenga Ogedegbe
Background -Ambulatory blood pressure (BP) monitoring (ABPM) is the reference standard for out-of-clinic BP measurement. Thresholds for identifying ambulatory hypertension (daytime systolic BP [SBP]/diastolic BP [DBP] ≥ 135/85 mmHg, 24-hour SBP/DBP ≥ 130/80 mmHg, and nighttime SBP/DBP ≥ 120/70 mmHg) have been derived from European, Asian and South American populations. We determined BP thresholds for ambulatory hypertension in a US population-based sample of African Americans. Methods -We analyzed data from the Jackson Heart Study (JHS), a population-based cohort study comprised exclusively of African-American adults (n=5,306)...
April 20, 2017: Circulation
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