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American Journal of Hypertension

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https://www.readbyqxmd.com/read/29365036/real-world-home-blood-pressure-variability-in-over-56-000-individuals-with-nearly-17-million-measurements
#1
Kwang-Il Kim, Nima Nikzad, Giorgio Quer, Nathan E Wineinger, Matthieu Vegreville, Alexis Normand, Nicolas Schmidt, Eric J Topol, Steven Steinhubl
BACKGROUND: Using the data from 56,365 individuals, from 185 countries, and a Nokia Health Wireless blood pressure (BP) monitor, we investigated real-world characteristics of BP variability (BPV). METHODS: All included individuals self-measured and uploaded their BP using Bluetooth at least 20 times over a period of ≥1 month at a frequency and duration of their choosing. In total, 16,904,844 BP measurements were analyzed, with a median of 146 measurements per person (interquartile range [IQR] 73-321) over a median of 14 months (IQR 7-31)...
December 23, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29452343/height-based-equations-can-improve-the-diagnosis-of-elevated-blood-pressure-in-children
#2
F A Mourato, S S Mattos, J L Lima Filho, M F Mourato, W Nadruz JÚnior
Background: High blood pressure (BP) is usually underdiagnosed in children and adolescents, particularly due to its complex diagnosis process. This study describes novel height-based equations for the detection of BP disorders (BP>90th percentile) and compares the accuracy of this approach with previously described screening methods to identify BP disorders. Methods: Height-based equations were built using the 90th percentile values for systolic and diastolic BP and respective height values from the current guideline of high BP management in children...
February 14, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29438464/intra-generational-social-mobility-and-changes-in-blood-pressure-longitudinal-analysis-from-the-elsa-brasil-study
#3
J M N Guimarães, R H Griep, P J Clarke, M J M Fonseca, S M Barreto, L Giatti, P A Lotufo, J G Mill, A G Pacheco, D Chor
Background: During the past four decades, the highest worldwide blood pressure (BP) levels have shifted from high-income countries to low- and middle-income countries. We investigated the association of intra-generational social mobility with changes in BP and also with the incidence of hypertension over a 4-year follow-up. Methods: Data for 6529 baseline participants from ELSA-Brasil born between 1938 and 1975 were used. Based on a social mobility matrix, occupational social mobility was defined as the change in occupational social class between participants' first occupation and current occupation (stable high; upward; downward; stable low)...
February 9, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29438454/comparative-efficacy-of-antihypertensive-agents-in-salt-sensitive-hypertensive-patients-a-network-meta-analysis
#4
Han Qi, Zheng Liu, Han Cao, Wei-Ping Sun, Wen-Juan Peng, Bin Liu, Sheng-Jie Dong, Yu-Tao Xiang, Ling Zhang
Background: Salt-sensitive hypertension (SSH) is an intermediate inherited phenotype of essential hypertension as well as being an independent risk factor for cardiovascular disease. However, effective medications for the treatment of SSH have not been clarified. This study was to compare the efficacious of different classes of antihypertensive agents combined with salt intake on the reduction of blood pressure in patients with salt-sensitive hypertension (SSH). Methods: We used sources as PubMed, EMBASE, Cochrane Library, CENTRAL, ClinicalTrials...
February 9, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29432515/urinary-angiotensinogen-excretion-level-is-associated-with-elevated-blood-pressure-in-the-normotensive-general-population
#5
Emiko Sato, An Yi Wang, Michihiro Satoh, Yoko Nishikiori, Ikuko Oba-Yabana, Mai Yoshida, Hiroshi Sato, Sadayoshi Ito, Wataru Hida, Takefumi Mori
Background: Inflammation, intrarenal renin-angiotensin system activation, oxidative stress, and carbonyl stress have been postulated to play a fundamental role in controlling blood pressure. However, little is known about the association among renal renin-angiotensin system activation, carbonyl stress, and blood pressure elevation. Methods: We evaluated the relationship between blood pressure elevation and either renal renin-angiotensin system activity or carbonyl stress in the general population (N=355) in Japan...
February 8, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29425281/at1-receptor-antagonism-improves-structural-functional-and-biomechanical-properties-in-resistance-arteries-in-a-rodent-chronic-kidney-disease-model
#6
K J Quek, O Z Ameer, J K Phillips
Background: The renin-angiotensin system, in particular Angiotensin II (AngII), plays a significant role in the pathogenesis of hypertension in chronic kidney disease (CKD). Effects of chronic AT1 receptor antagonism were investigated in a genetic hypertensive rat model of CKD, the Lewis polycystic kidney (LPK) rat. Methods: Mixed-sex LPK and Lewis control rats (total n=31) were split between treated (valsartan 60mg/kg/day p.o. from 4-18 weeks) and vehicle groups...
February 7, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29425278/carotid-intima-media-thickness-and-silent-brain-infarctions-in-a-biracial-cohort-the-atherosclerosis-risk-in-communities-aric-study
#7
Melissa C Caughey, Ye Qiao, B Gwen Windham, Rebecca F Gottesman, Thomas H Mosley, Bruce A Wasserman
Background: Both hypertensive and atherosclerotic processes contribute to common carotid artery intima-media thickness (CCA-IMT). Elevated CCA-IMT may be indicative of subclinical cerebrovascular disease; however, its role in the absence of concomitant carotid artery plaque is uncertain, and few studies have examined associations in black populations. Materials and Methods: At cohort visit 3 (1993-1995) a subset of stroke-free participants (641 blacks and 702 whites, mean age 63) from the Atherosclerosis Risk in Communities (ARIC) study was imaged by brain MRI and carotid ultrasound...
February 7, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29415199/cerebral-osmolytes-and-plasma-osmolality-in-pregnancy-and-preeclampsia-a-proton-magnetic-resonance-spectroscopy-study
#8
M Nelander, A-K Wikström, J Weis, L Bergman, A Larsson, I Sundström-Poromaa, J Wikström
Background: Cerebral complications contribute substantially to mortality in preeclampsia. Pregnancy calls for extensive maternal adaptations, some associated with increased propensity for seizures, but the pathophysiology behind the eclamptic seizures is not fully understood. Plasma osmolality and sodium levels are lowered in pregnancy. This could result in extrusion of cerebral organic osmolytes, including the excitatory neurotransmitter glutamate, but this remains to be determined. The hypothesis of this study was that cerebral levels of organic osmolytes are decreased during pregnancy, and that this decrease is even more pronounced in women with preeclampsia...
February 3, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29409056/short-term-blood-pressure-responses-to-ambient-fine-particulate-matter-exposures-at-the-extremes-of-global-air-pollution-concentrations
#9
Wei Huang, Lu Wang, Jianping Li, Mochuan Liu, Hongbing Xu, Shengcong Liu, Jie Chen, Yi Zhang, Masako Morishita, Robert L Bard, Jack R Harkema, Sanjay Rajagopalan, Robert D Brook
BACKGROUND: Fine particulate matter (PM2.5) air pollution is a leading cause of global cardiovascular mortality. A key mechanism may be PM2.5-induced blood pressure (BP) elevations. Whether consistent prohypertensive responses persist across the breadth of worldwide pollution concentrations has never been investigated. METHODS: We evaluated the hemodynamic impact of short-term exposures to ambient PM2.5 in harmonized studies of healthy normotensive adults (4 BP measurements per participant) living in both a highly polluted (Beijing) and clean (Michigan) location...
February 2, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29390046/response-to-associations-among-plasma-total-homocysteine-levels-circadian-blood-pressure-variation-and-endothelial-function-in-hypertension
#10
Yi-Fei Dong, Qing-Yun Hao, Zhao-Hui Ruan, Zi-Xuan Xu, Bi-Ming Zhan, Ming Deng, Da-Wei Chen, Ye-Qing Zou, Jing Chen, Ping Li, Xiao-Shu Cheng
No abstract text is available yet for this article.
January 30, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29385399/central-blood-pressure-responses-to-dietary-sodium-and-potassium-interventions
#11
Xiaolong Xing, Fangchao Liu, Xueli Yang, Chen Huang, Dingding Zhang, Shufeng Chen, Jichun Chen, Jianxin Li, Zhendong Liu, Fanghong Lu, Dongfeng Gu, Jianfeng Huang
BACKGROUND: To explore how central hemodynamics respond to dietary sodium and potassium interventions, and whether the responses are associated with metabolic traits. METHODS: We conducted a dietary intervention study including a 7-day low-sodium (51.3 mmol sodium/day) intervention, a 7-day high-sodium (307.8 mmol sodium/day) intervention, and a 7-day high-sodium with potassium supplementation (60.0 mmol potassium/day) intervention among 99 northern Chinese subjects aged 18-60 years...
January 27, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29390101/breastfeeding-and-maternal-hypertension
#12
Sangshin Park, Nam-Kyong Choi
BACKGROUND: Little is known about the relationship between breastfeeding and hypertension. We performed this study to identify whether breastfeeding itself influenced maternal hypertension and whether degree of obesity or insulin sensitivity would contribute to the relationship between breastfeeding and hypertension in postmenopausal women. METHODS: Our study population comprised 3,119 nonsmoking postmenopausal women aged 50 years or above in the 2010-2011 Korea National Health and Nutrition Examination Survey...
January 25, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29373648/management-and-outcomes-of-childhood-renal-artery-stenosis-and-middle-aortic-syndrome
#13
Rawan K Rumman, Mina Matsuda-Abedini, Valerie Langlois, Seetha Radhakrishnan, Armando J Lorenzo, Joao Amaral, Luc Mertens, Rulan S Parekh
Background: Renal artery stenosis (RAS) in isolation or in conjunction with middle aortic syndrome (MAS), are important vascular causes of childhood hypertension. Few longitudinal studies have assessed the risk of surgical or endovascular intervention, and outcomes by etiology or extent of vascular disease. Methods: In a retrospective study of 93 children seen over 30 years with RAS and/or MAS, data on vascular involvement (isolated RAS vs RAS with MAS), etiology (unknown, inflammatory, or genetic), and management were collected...
January 24, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29373638/renal-considerations-in-the-treatment-of-hypertension
#14
Biff F Palmer, Deborah J Clegg
There are renal implications when employing intensive blood pressure control strategies. While this approach provides cardiovascular benefit in patients with and without chronic kidney disease, the impact on renal disease progression differs according to the pattern of underlying renal injury. In the setting of proteinuria, stringent blood pressure control has generally conferred a protective effect on renal disease progression, but in the absence of proteinuria, this benefit tends to be much less impressive...
January 24, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29370333/orthostatic-hypotension-and-symptoms-in-the-aask-trial
#15
Stephen P Juraschek, Edgar R Miller, Lawrence J Appel
Background: Multiple definitions are used to characterize orthostatic hypotension (OH), but the degree to which these definitions correspond with orthostatic symptoms is unknown. Methods: We analyzed data from AASK, a randomized trial of African Americans with hypertension and kidney disease, to characterize the relationship between OH definitions and self-reported syncope, dizziness, or light-headedness. Orthostatic changes in systolic blood pressure (SBP), diastolic blood pressure (DBP), or heart rate (HR) were determined each visit after standing 2:45 minutes...
January 23, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29365009/a-dietary-pattern-of-higher-fish-egg-milk-nut-vegetable-and-fruit-and-lower-salt-intake-correlates-with-the-prevalence-and-control-of-hypertension
#16
Guiquan Yu, Hang Fu, Wei Huang, Nan Zhang, Dan Deng, Ge Li, Han Lei
Background: The effects of food on the prevalence and control of hypertension are unclear. We aimed to investigate whether a dietary pattern of higher fish, egg, milk, nut, vegetable and fruit consumption and lower salt intake was associated with hypertension in China. Methods: A total of 15,303 subjects were recruited from September 2012 to December 2014. Groups with (n=1,604) and without (n=13,660) hypertension were formed for a case-control study. The hypertensive participants were classified into the controlled blood pressure (BP) subgroup (n=397) and the uncontrolled BP subgroup (n=1,207)...
January 22, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29360915/the-effects-of-egfr-change-on-cvd-renal-and-mortality-outcomes-in-a-hypertensive-cohort-treated-with-3-different-antihypertensive-medications
#17
Joshua I Barzilay, Barry R Davis, Sara L Pressel, Alokananda Ghosh, Mahboob Rahman, Paula T Einhorn, William C Cushman, Paul K Whelton, Jackson T Wright
BACKGROUND: Impaired renal function is a risk factor for cardiovascular disease, end-stage renal disease (ESRD), and mortality. The impact of short-term renal function decline on outcomes is less well studied. The association of antihypertensive medications with the impact of short-term estimated glomerular filtration rate (eGFR) decline is not known. METHODS: We examined 20,207 hypertensive participants with baseline and 2-year creatinine levels from which eGFR changes were estimated...
January 19, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29342240/presence-of-myocardial-damage-predicts-future-development-of-hypertension-in-a-normotensive-japanese-general-population-the-yamagata-takahata-study
#18
Yuki Honda, Tetsu Watanabe, Harutoshi Tamura, Satoshi Nishiyama, Hiroki Takahashi, Takanori Arimoto, Tetsuro Shishido, Takuya Miyamoto, Yoko Shibata, Tsuneo Konta, Takamasa Kayama, Isao Kubota
Background: A modest rise in blood pressure (BP) reportedly increases cardiovascular mortality despite not reaching obvious hypertension, suggesting that target organ damages are latently induced by slight BP rising. The goal of this study was to determine whether presence of subclinical myocardial damage can predict the future development of hypertension in the normotensive general population. Methods and results: The cohort study was conducted with subjects who participated in a community-based annual health check...
January 12, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29342227/brain-cytosolic-phospholipase-a2%C3%AE-mediates-angiotensin-ii-induced-hypertension-and-reactive-oxygen-species-production-in-male-mice
#19
Chi Young Song, Nayaab S Khan, Francesca-Fang Liao, Bin Wang, Ji Soo Shin, Joseph V Bonventre, Kafait U Malik
Background: Recently we reported that angiotensin II (Ang II)-induced hypertension is mediated by group IV cytosolic phospholipase A2α (cPLA2α) via production of pro-hypertensive eicosanoids. Since Ang II increases blood pressure via its action in the subfornical organ (SFO), it led us to investigate the expression and possible contribution of cPLA2α to oxidative stress and development of hypertension in this brain area. Methods: Adenovirus (Ad)-green fluorescence protein (GFP) cPLA2α short hairpin (sh) RNA (Ad-cPLA2α shRNA) and its control Ad-scrambled shRNA (Ad-Scr shRNA) or Ad-enhanced cyan fluorescence protein cPLA2α DNA (Ad-cPLA2α DNA) and its control Ad-GFP DNA were transduced into SFO of cPLA2α+/+ and cPLA2α-/- male mice, respectively...
January 12, 2018: American Journal of Hypertension
https://www.readbyqxmd.com/read/29329358/modulating-role-of-ang1-7-in-control-of-blood-pressure-and-renal-function-in-angii-infused-hypertensive-rats
#20
Marta Kuczeriszka, Elzbieta Kompanowska-Jezierska, Janusz Sadowski, Minolfa Prieto, L Gabriel Navar
Background: Indirect evidence suggests that angiotensin 1-7 (Ang1-7) may counterbalance prohypertensive actions of angiotensin II (AngII), via activation of vascular and/or renal tubular receptors to cause vasodilation and natriuresis/diuresis. We examined if Ang1-7 would attenuate the development of hypertension, renal vasoconstriction and decreased natriuresis in AngII-infused rats and evaluated the mechanisms involved. Methods: AngII, alone or with Ang1-7, was infused to conscious Sprague-Dawley rats for 13 days and systolic blood pressure (SBP) and renal excretion were repeatedly determined...
January 10, 2018: American Journal of Hypertension
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