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isolated systolic hypertension

Kai-Lun Liang, Ping Fang, Qiu-Qiu Shi, Jie Su, Bo Li, Su-Hong Chen, Gui-Yuan Lv
This study aimed to investigate the antihypertensive effect and possible mechanism of Dendrobium officinale flos on hypertensive rats induced by high glucose and high fat compound alcohol. The hypertensive models were successfully made by high-glucose and high-fat diet, with gradient drinking for 4 weeks, and then divided into model control group, valsartan (5.7 mg·kg⁻¹) positive control group and D. officinale flos groups (3,1 g·kg⁻¹). After 6 weeks of treatment, the blood pressure of rats was measured regularly...
January 2018: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
Mahmood Yousefi, Mehdi Yaseri, Ramin Nabizadeh, Elham Hooshmand, Mohsen Jalilzadeh, Amir Hossein Mahvi, Ali Akbar Mohammadi
Hypertension is becoming a global epidemic for both rural and urban populations; it is a major public health challenge in Iran. Fluoride can be a risk factor for hypertension. Cross-sectional analysis was conducted in two study areas to assess the relation of fluoride with blood pressure prevalence, BMI, waist circumference, and waist-to-hip ratio (WHR) among different age groups in both sexes. The mean value of fluoride concentration in the drinking water from the four study villages varied from 0.68 to 10...
March 14, 2018: Biological Trace Element Research
Tetsuya Yumoto, Hiromichi Naito, Takashi Yorifuji, Hiroki Maeyama, Yoshinori Kosaki, Hirotsugu Yamamoto, Kohei Tsukahara, Takaaki Osako, Atsunori Nakao
OBJECTIVE: We tested whether Cushing's sign could predict severe traumatic brain injury (TBI) requiring immediate neurosurgical intervention (BI-NSI) in children after blunt trauma. DESIGN: Retrospective cohort study using Japan Trauma Data Bank. SETTING: Emergency and critical care centres in secondary and tertiary hospitals in Japan. PARTICIPANTS: Children between the ages of 2 and 15 years with Glasgow Coma Scale motor scores of 5 or less at presentation after blunt trauma from 2004 to 2015 were included...
March 3, 2018: BMJ Open
Min Yin Goh, Melinda S Millard, Edmund C K Wong, David J Berlowitz, Marnie Graco, Rachel M Schembri, Douglas J Brown, Albert G Frauman, Christopher J O'Callaghan
STUDY DESIGN: Observational study. OBJECTIVES: To quantify diurnal blood pressure (BP) patterns and nocturnal hypertension and to measure diurnal urine production in people with chronic spinal cord injury (SCI), compared with controls without SCI. SETTING: Chronic SCI population in the community in Victoria, Australia. METHODS: Participants were recruited by advertisement, and sustained SCI at least a year prior or were healthy able-bodied volunteers...
March 2, 2018: Spinal Cord
Susanne V Fleig, Bettina Weger, Hermann Haller, Florian P Limbourg
INTRODUCTION: We conducted a prospective, non-interventional, multicenter study to examine the effect of a fixed-dose combination of perindopril/amlodipine in patients with arterial hypertension. METHODS: Patients who were previously untreated or required a change in medication were treated with a fixed combination of perindopril/amlodipine (3.5/2.5 or 7.0/5.0 mg) for 12 weeks. Changes in office, home and ambulatory blood pressure (BP) were recorded. Adherence was assessed by the Hill-Bone medication adherence scale...
March 1, 2018: Advances in Therapy
Guido Grassi, Nicolàs R Robles, Gino Seravalle, Francesco Fici
Calcium channel blockers (CCBs), particularly dihydropyridine-CCBs, (DHP-CCBs), have an established role in antihypertensive therapy, either as monotherapy or in combination with other antihypertensive drugs. Two hundred and fifty-one papers published in PubMed in English between January 1, 1990, and October 31, 2016, were identified using the keyword "lercanidipine." Lercanidipine is a lipophilic third-generation DHP-CCB, characterized by high vascular selectivity and persistence in the smooth muscle cell membranes...
October 2017: Journal of Pharmacology & Pharmacotherapeutics
Yusuke Sata, Dagmara Hering, Geoffrey A Head, Antony S Walton, Karlheinz Peter, Petra Marusic, Jaqueline Duval, Rebecca Lee, Louise J Hammond, Elisabeth A Lambert, Gavin W Lambert, Murray D Esler, Markus P Schlaich
BACKGROUND: Renal denervation (RDN) can reduce blood pressure (BP) in patients with resistant hypertension, but less so in patients with isolated systolic hypertension. A possible explanation is that patients with stiffer arteries may have lesser neural contribution to their hypertension. METHOD: We hypothesized that arterial stiffness predicts the response to RDN. From ambulatory BP monitoring (ABPM), ambulatory arterial stiffness index (AASI) was calculated as 1 - the regression slope of DBP versus SBP...
February 20, 2018: Journal of Hypertension
Hany M El-Bassossy, Mona F Mahmoud, Basma G Eid
Despite the reported reduction in blood pressure in hypertensive patients treated with allopurinol, the mechanism of the allopurinol hypotensive effect is still unclear. In the current study, the hypotensive effect of allopurinol has been fully investigated in hypertensive rats. Hypertension was induced in rats by angiotensin II (120 ng/min/kg) infusion for two weeks. Rats were then subjected to real-time recording of blood pressure, left ventricular pressure and volume and surface ECG. After 10 min of basal recording, allopurinol was slowly injected into the femoral vein with a dose of 10 μmole/kg...
February 14, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Yung Sing Ch'ng, Yean Chun Loh, Chu Shan Tan, Mariam Ahmad, Mohd Zaini Asmawi, Wan Maznah Wan Omar, Mun Fei Yam
The seeds of Swietenia macrophylla King (SM) (Meliaceae) are used as a folk medicine for the treatment of hypertension in Malaysia. However, the antihypertensive and vasorelaxant effects of SM seeds are still not widely studied. Thus, this study was designed to investigate the in vivo antihypertensive effects and in vitro mechanism of vasorelaxation of a 50% ethanolic SM seed extract (SM50) and the fingerprint of SM50 was developed through tri-step Fourier transform infrared (FTIR) spectroscopy. The vasorelaxant activity and the underlying mechanisms of SM50 were evaluated on thoracic aortic rings isolated from Sprague-Dawley rats in the presence of antagonists...
February 8, 2018: Journal of Medicinal Food
Asiya Abudesimu, Fen Liu, Dilixiati Siti, Dilare Adi, Zhenyan Fu, Xiang Ma, Xiang Xie, Yining Yang, Xiaomei Li, Yitong Ma
The goal of this study was to investigate platelet parameters in populations with hypertension subtypes among the Han, Uygur, and Kazakh ethnic groups and their associated risk factors in Xinjiang, northwestern China. In total, 9816 adult participants were recruited from a multiethnic, cross-sectional cardiovascular risk survey. Our results indicated that the platelet counts in Han, Uygur, and Kazakh participants with isolated systolic hypertension (ISH), isolated diastolic hypertension (IDH), and systolic diastolic hypertension (SDH) varied significantly (P < 0...
February 8, 2018: Clinical and Experimental Hypertension: CHE
Korapat Mayurasakorn, Nurul Hasanah, Tsuyoshi Homma, Mika Homma, Isis Katayama Rangel, Amanda E Garza, Jose R Romero, Gail K Adler, Gordon H Williams, Luminita H Pojoga
BACKGROUND AND PURPOSE: The plasma membrane protein caveolin-1 (CAV-1) has been shown to be involved in modulating glucose homeostasis and the actions of the renin-angiotensin-aldosterone system (RAAS). Caloric restriction (CR) is widely accepted as an effective therapeutic approach to improve insulin sensitivity and reduce the severity of diabetes. Recent data indicate that polymorphisms of the CAV-1 gene are strongly associated with insulin resistance, hypertension and metabolic abnormalities in non-obese individuals...
February 1, 2018: Metabolism: Clinical and Experimental
Peixu Zhang, Dongqing Li, Yanzhuo Su, Xiaona Wang, Jianping Sun, Yang Xu, Jinghui Sun
BACKGROUND: The known risk factors for atherosclerosis such as dyslipidemia, hypertension, obesity, and fasting hyperglycemia are associated with subclinical myocardial dysfunction. We assessed myocardial strain in children who had risk factors for atherosclerosis with use of 3D speckle tracking echocardiography (3DSTE). METHODS: A total of 340 eligible children (mean age [±SD]: 9.5 [±1.9] years; range, 7.1-12.2; 189 males, 151 females). Levels of serum cholesterol (TC), triglyceride (TG), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), fasting blood glucose (FBG), systolic blood pressure (SBP), diastolic blood pressure (DBP), and body mass index (BMI) were investigated...
February 4, 2018: Echocardiography
Shikai Yu, Jing Xiong, Yuyan Lu, Chen Chi, Jiadela Teliewubai, Bin Bai, Hongwei Ji, Yiwu Zhou, Ximin Fan, Jacques Blacher, Jue Li, Yi Zhang, Yawei Xu
We aimed to investigate the prevalence of central hypertension and its association with target organ damage (TOD). 1983 community-dwelling elderly Chinese people were recruited for this analysis. Brachial and central blood pressure (BP) were measured by an oscillometric device and SphygmoCor (type I device), respectively. Brachial hypertension was defined by brachial systolic BP/diastolic BP ≥140/90 mmHg or using antihypertensive medications. Central hypertension was defined by central systolic BP/diastolic BP ≥130/90 mmHg or using antihypertensive medications...
January 3, 2018: Journal of the American Society of Hypertension: JASH
Beom-June Kwon, Dae-Won Kim, Mahn-Won Park, Sung-Ho Her, Ha Wook Park, Kiyuk Chang, Wook-Sung Chung, Ki-Bae Seung, Tai-Ho Rho
BACKGROUND: This study is the first study to evaluate clinical significance of combined glucose intolerance (CGI) in treatment-naïve hypertensive patients. METHODS: We compared the results of demographic, anthropometric, clinical, laboratory examinations, echocardiography, arterial stiffness, central blood pressure (BP) and ambulatory BP monitoring (ABPM) between the groups according to fasting blood sugar (FBS), postprandial 2 hour blood glucose (PP2) and gender in treatment-naïve hypertensive patients...
February 2, 2018: Clinical and Experimental Hypertension: CHE
Izabella Uchmanowicz, Anna Chudiak, Beata Jankowska-Polańska, Robbert Gobbens
Hypertension is both a health problem and a financial one globally. It affects nearly 30 % of the general population. Elderly people, aged ≥65 years, are a special group of hypertensive patients. In this group, the overall prevalence of the disease reaches 60 %, rising to 70 % in those aged ≥80 years. In the elderly population, isolated systolic hypertension is quite common. High systolic blood pressure is associated with an increased risk of cardiovascular disease, cerebrovascular disease, peripheral artery disease, cognitive impairment and kidney disease...
November 2017: Cardiac failure review
S Plecevic, B Jakovljevic, M Savic, V Zivkovic, T Nikolic, J Jeremic, I Milosavljevic, I Srejovic, N Tasic, D Djuric, V Jakovljevic
The aim of present study was to evaluate the effects of 3- and 6-week swimming exercise on cardiodynamics and coronary flow in high salt-induced hypertensive and normotensive rats. 80 male Wistar albino rats (6 weeks old) were divided into 8 groups: hypertensive animals that swam for 3 weeks; hypertensive animals that swam for 6 weeks and their respective sedentary controls; normotensive animals that swam for 3 weeks; normotensive animals that swam for 6 weeks and their respective sedentary controls. Hypertensive animals were on high sodium (8% NaCl solution) diet for 4 weeks, and these animals did not drink tap water during the experimental protocol...
January 27, 2018: Molecular and Cellular Biochemistry
Steven G Chrysant
Systolic hypertension, especially isolated systolic hypertension (ISH) is very common in older subjects aged ≥ 65 years and is a major risk factor for cardiovascular disease (CVD), strokes, heart failure (HF) and chronic kidney disease (CKD). It is also, directly and linearly related with these complications irrespective of sex, or ethnicity, but it is worse with the advancement of age. Effective control of systolic blood pressure (SBP), is associated with significant reduction in the incidence of these complications...
February 1, 2018: Postgraduate Medicine
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
John Aalen, Petter Storsten, Espen W Remme, Per A Sirnes, Ola Gjesdal, Camilla K Larsen, Erik Kongsgaard, Espen Boe, Helge Skulstad, Jonny Hisdal, Otto A Smiseth
OBJECTIVES: This study sought to investigate the hypothesis that patients with left bundle branch block (LBBB) are hypersensitive to elevated afterload. BACKGROUND: Epidemiological data suggest that LBBB can provoke heart failure in patients with hypertension. METHODS: In 11 asymptomatic patients with isolated LBBB and 11 age-matched control subjects, left ventricular ejection fraction (LVEF) and global longitudinal strain (GLS) were measured by echocardiography...
January 12, 2018: JACC. Cardiovascular Imaging
Douglas Vq Nunes, Cristiane A Costa, Graziele F De Bem, Viviane Sc Cordeiro, Izabelle B Santos, Lenize Crm Carvalho, Alessandro K Jordão, Anna C Cunha, Vitor F Ferreira, Roberto S Moura, Angela C Resende, Dayane T Ognibene
Tempol, a superoxide dismutase-mimetic drug, has been shown to attenuate radical-induced damage, exerting beneficial effects in the animal models of oxidative stress and hypertension. This study evaluated the effect of Tempol on renal structural and functional alterations in two-Kidney, one-Clip hypertensive rats. In this study, young male Wistar rats had the left kidney clipped (2K1C), and sham-operated animals (Sham) were used as controls. Animals received Tempol (1mmol/L in drinking water) or vehicle for 5 weeks...
January 23, 2018: Clinical and Experimental Hypertension: CHE
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