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Results 251 - 300 of 699
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Shao Zhili - - 2012
This study sought to examine the hemodynamic determinants of dysregulated arginine metabolism in patients with acute decompensated heart failure and to explore possible mechanisms of arginine dysregulation in human heart failure. Accumulating methylated arginine metabolites and impaired arginine bioavailability have been associated with heart failure, but the underlying pathophysiology remains ...
Owczarek Jacek - - 2012
Statins and β1-adrenergic antagonists are well established in cardiovascular events therapy and prevention. The previous study showed that statins might impact on β-adrenergic signalling and blood pressure in a dose-dependent manner. The aim of the study was to evaluate the impact of 4-week administration of simvastatin given at different doses ...
Buyukdagli Sahin - - 2012
A charged Yukawa liquid confined in a slit nanopore is studied in order to understand excluded volume effects in the interaction force between the pore walls. A previously developed self-consistent scheme [S. Buyukdagli, C. V. Achim, and T. Ala-Nissila, J. Stat. Mech. 2011, P05033] and a new simpler variational procedure ...
Roeser Karolin - - 2012
Inter-individual differences in the circadian period of physical and mental functions can be described on the dimension of morningness/eveningness. Previous findings support the assumption that eveningness is related to greater impulsivity and susceptibility to stress than morningness. Heart rate variability (HRV) serves as a physiological correlate of self- and emotional ...
Bitencourt Fernando F Instituto de Cardiologia do Rio Grande do Sul, Fundação Universitária de Cardiologia, Porto Alegre, RS, - - 2012
Hypertension is one of the major cardiovascular risk factors affecting more than one billion people. The low awareness of the disease is one of the greatest difficulties related to hypertension. The population screening for hypertension is widely recognized as an effective strategy to detect new cases, but until now, there ...
Shimoda Mitsugi - - 2012
A 54-year-old man with chronic hepatitis C was admitted to our hospital because of a disturbance of consciousness and hyperammonemia. Abdominal angiography revealed a portosystemic shunt between the superior mesenteric vein and inferior vena cava. Endoscopic examination showed no varix. As interventional treatment was unsuccessful, surgical ligation of the shunt ...
Mori Etsuro - - 2012
Among the various disorders manifesting dementia, gait disturbance, and urinary incontinence in the elderly population, idiopathic normal pressure hydrocephalus (iNPH) is becoming of great importance. After the publication of the first edition of the Guidelines for Management of Idiopathic Normal Pressure Hydrocephalus in 2004 (the English version was published in ...
Ocaranza María Paz - - 2012
Despite reduction in cardiovascular (CV) events and end-organ damage with the current pharmacologic strategies, CV disease remains the primary cause of death in the world. Pharmacological therapies based on the renin angiotensin system (RAS) blockade are used extensively for the treatment of hypertension, heart failure, and CV remodeling but in ...
Loughnan Terence E - - 2012
Cricoid pressure, as part of rapid sequence induction, may on occasion worsen laryngoscopic views and intubating conditions. We investigated whether allowing the assistant applying cricoid pressure to view the video laryngoscope screen would improve the laryngoscopic views compared to when they were blinded to the video screen. Laryngoscopy using the ...
Seikaly Mouin G - - 2012
Over the past several decades, childhood hypertension has undergone a considerable conceptual change, as hypertension is a predictor of future development of cardiovascular disease in adults. Childhood hypertension has distinctive features that distinguish it from hypertension in adults. Pediatric hypertension is often secondary. It is widely believed that therapeutic intervention ...
Koga Masatoshi - - 2012
Intracerebral hemorrhage (ICH) is a common stroke subtype in Japan. Hypertension is the leading cause. Perindopril Protection Against Recurrent Stroke Study (PROGRESS) revealed that blood pressure (BP) lowering could reduce stroke recurrence by 28% (ICH recurrence by 49%). The guideline for the management of hypertension (JSH2009) recommends BP control of ...
Hatayama Naoyuki - - 2012
The cardiac cavity of an isolated rat heart was filled with a Krebs-Henseleit (KH) solution, and the heart was hung in a high-pressure chamber. After the high-pressure chamber had been filled with a mixed gas (PCO = 400 hPa, PCO(2) = 100 hPa, PO(2) = 900 hPa, PHe = 5600 ...
Fleischer Jesper - - 2012
A large number of nondigitized electrocardiograph (ECG) strips are routinely collected in larger cohort studies such as the ADDITION study (Anglo-Danish-Dutch Study of Intensive Treatment in People with Screen-Detected Diabetes in Primary Care). These ECG strips are routinely read manually but may contain overlooked information revealing cardiac autonomic dysfunction. The ...
Givvimani Srikanth - - 2012
We have previously reported the role of anti-angiogenic factors in inducing the transition from compensatory cardiac hypertrophy to heart failure and the significance of MMP-9 and TIMP-3 in promoting this process during pressure overload hemodynamic stress. Several studies reported the evidence of cardiac autophagy, involving removal of cellular organelles like ...
Asfour Huda - - 2012
Since its inception by Langendorff(1), the isolated perfused heart remains a prominent tool for studying cardiac physiology(2). However, it is not well-suited for studies of cardiac metabolism, which require the heart to perform work within the context of physiologic preload and afterload pressures. Neely introduced modifications to the Langendorff technique ...
Hayes Jackson J Department of Neurosurgery, Proger 7, Tufts Medical Center, 800 Washington St, Boston, MA 02111, USA. - - 2012
Symptomatic subdural hematoma development is a constant concern for patients who have undergone cerebrospinal fluid shunting procedures to relieve symptoms related to normal-pressure hydrocephalus. Acute subdural hematomas are of particular concern in these patients as even minor head trauma may result in subdural hematoma formation. The presence of a ...
Elixmann Inga Margrit IM Helmholtz Institute for Biomedical Engineering, RWTH Aachen University, Aachen, - - 2012
Hydrocephalus patients with increased intracranial pressure are generally treated by draining cerebrospinal fluid (CSF) into the abdomen through an implanted shunt with a passive differential pressure valve. To perfectly adapt the valve's opening pressure to the patient's need, more information on the acutal pressure across the valve in everyday life ...
Tavakolian Kouhyar K Department of Electrical and Computer Engineering, University of British Columbia, Vancouver, BC, Canada. - - 2012
Features are extracted from seismocardiogram data to correlate with two indexes of myocardial contractility: dP/dt(max) (maximum first derivative of left ventricular pressure) and stroke volume. In the first study on three pigs, it is shown that the time period between the R peak of the ECG and the first peak ...
Elixmann I M IM Biomedical Engineering, RWTH Aachen University, Aachen, Germany. - - 2012
The intracranial pressure (ICP) waveform contains important diagnostic information. Changes in ICP are associated with changes of the pulse waveform. This change has explicitly been observed in 13 infusion tests by analyzing 100 Hz ICP data. An algorithm is proposed which automatically extracts the pulse waves and categorizes them into ...
Graf Sebastian S Favaloro University (Facultad de Ingeniería, Ciencias Exactas y Naturales), Buenos Aires, Argentina. sgraf@ - - 2012
Non invasive local arterial blood pressure measurement has become a challenge over recent years. The aim of this study was to evaluate in a general population the validity of an alternative method to assess systolic local arterial blood pressure, from the analysis of B-mode diameter waveforms, and to estimate the ...
Lipponen Jukka A JA Department of Applied Physics, Universityof Eastern Finland, Kuopio, Finland. - - 2012
Arterial baroreflex has a significant role in regulating blood pressure. It is known that increased stiffness of the carotid sinus affects mecanotransduction of baroreceptors and therefore limits baroreceptors capability to detect changes in blood pressure. By using high resolution ultrasound video signal and continuous measurement of electrocardiogram (ECG) and blood ...
Fava Cristiano - - 2011
Hypertension is a multifactorial disease in which the interplay of genetic and environmental factors that maintain blood pressure stable throughout life is altered. Cytochrome P450 (CYP)-derived metabolites of arachidonic acid such as epoxyeicosatrienoic acids (EETs) and 20-hydroxyeicosatetraenoic acid (20-HETE), active on vascular tone, endothelial function and renal sodium reapportion, have ...
Masanari Misa - - 2011
Cytochrome c(5) of pressure-sensitive Shewanella livingstonensis (SL cytc(5)) exhibits lower thermal stability than a highly homologous counterpart of pressure-tolerant Shewanella violacea. This stability difference is due to an enthalpic effect that can be attributed to the amino acid residue at position 50 (Leu or Lys). These cytc(5) proteins are appropriate ...
Wu Cheng-Chia CC Department of Pharmacology, New York Medical College, Valhalla, NY 10595, USA. chengchia - - 2011
Androgen plays an important role in blood pressure regulation. Epidemiological studies have shown that men have a higher prevalence for developing hypertension than aged-matched, premenopausal women. Interestingly, postmenopausal women and women with polycystic ovary syndrome, both of which have increased endogenous androgen production, have elevated risks for hypertension suggesting that ...
Khalili A - - 2011
The leaves of Vaccinium arctostaphylos (Qare qat) is advocated for the treatment of hypertension in Iran' folk medicine. The objective of was to examine the possible hypotensive activity of aqueous extract of Vaccinium arctostaphylos leaves in rat model of two-kidney, one-clip hypertension. Rats were subjected to sham operation of the ...
Lee Dexter L - - 2011
Peroxisome proliferator-activated receptor-alpha (PPAR-α) activation by fenofibrate reduces blood pressure and sodium retention during DOCA-salt hypertension. PPAR-α activation reduces the expression of inflammatory cytokines, such as interleukin-6 (IL-6). Fenofibrate also induces cytochrome P450 4A (CYP4A) and increases 20-hydroxyeicosatetraenoic acid (20-HETE) production. This study tested whether the administration of fenofibrate would ...
Guan J - - 2011
This retrospective study investigated the circadian and infradian characteristics of blood pressure and heart rate in 26 patients with traumatic head injury in a persistent vegetative state (PVS). Systolic and diastolic blood pressures and heart rate were measured every hour for the first 240 h (10 days) following hospital admission. ...
Yen Amy M-F - - 2011
Woman have lower rate of hypertension than man but it is still elusive how such gender difference can be explained by kinetic epidemiological curves. The aim of this paper was to develop a multi-state model for delineating the kinetic epidemiology of hypertension according to the Seventh Report of the Joint ...
Appel Lawrence J LJ Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins Medical Institutions, Baltimore, MD 21205-2223, USA. - - 2010
In observational studies, the relationship between blood pressure and end-stage renal disease (ESRD) is direct and progressive. The burden of hypertension-related chronic kidney disease and ESRD is especially high among black patients. Yet few trials have tested whether intensive blood-pressure control retards the progression of chronic kidney disease among black ...
Ullrich-French Sarah C - - 2010
Physical fitness performance is an important health correlate yet is often unrelated to sedentary behaviour in early adolescence. In this study, we examined the association of sedentary behaviour (i.e. screen time) with weight-related health markers and blood pressure, after controlling for cardiorespiratory fitness performance. American middle school students (N = 153, 56% ...
Izci Yusuf - - 2010
Intracranial hypertension is usually presented with papilledema and headache. Complete ophthalmoplegia without papilledema is a very rare finding of intracranial hypertension in children. A 5-year-old male patient with unilateral ophthalmoplegia due to increased intracranial pressure is presented. The fundoscopic examination and the magnetic resonance imaging of the brain were normal. ...
Yazdanpanah F - - 2010
Broken pellets and fines are produced when pellets are handled. The resistance to air flow was measured for clean pellets and for pellets mixed with 1-20% broken pellets (fines). A pellet diameter was 6mm. The lengths ranged from 6 to 12 mm. Clean pellets were defined as particles that remained ...
Qadir A - - 2010
We present the apparent mass measurements at the bottom of granular packings for different bead and silo sizes. The redirection parameter K in Janssen theory is found to increase with the ratios of the diameter of the silo to the bead. We attribute this feature to the friction between the ...
Bacic Angela - - 2010
Microalbuminuria and hypertension have long been associated with a guarded prognosis in human patients with a variety of diseases. In veterinary medicine, tests for microalbuminuria have been used for detecting early kidney damage, but there is little information regarding its association with high blood pressure in dogs with chronic kidney ...
John Jacob - - 2010
Recommendations for early detection and management of elevated blood pressure through opportunistic clinic-based screening may be inadequate for the rural population in India as access to health facilities is limited. Sixteen Health Aides (trained primary care workers) were trained to measure blood pressure using a standardized training procedure. Six of ...
Elsayed Abdelhakem Selem - - 2010
Carotid intima-media thickness (C-IMT) measured noninvasively by ultrasonography is widely used as a marker for increased risk of cardiovascular disease. Also hyperuricemia (HU) is a well recognized risk factor for cardiovascular diseases. The study was designed to assess the relation between hyperuricemia and carotid intima-media thickness C-IMT in patients with ...
Lubanski M S - - 2009
Hypertension is both the cause and effect of kidney disease. Together these two diseases have become epidemics in our society and are associated with an increased risk of cardiovascular events. Over the last several decades multiple clinical and transplant studies have shown the kidney to be an important determinant of ...
Bethel M A - - 2009
AIMS: Non-alcoholic fatty liver disease (NAFLD) is associated with features of the metabolic syndrome (MetS) and may be an expression of the syndrome within the liver. Using screening data from the Nateglinide And Valsartan in Impaired Glucose Tolerance Outcomes Research (NAVIGATOR) study (n = 42 149), we examined whether alanine ...
Prodjosudjadi Wiguno - - 2009
AIM: This survey evaluated the prevalence of chronic kidney disease (CKD if estimated glomerular filtration rate (eGFR) <60 mL/min per 1.73 m(2)) and its risk factors amongst subjects from urban and semi-urban areas. METHODS: History of hypertension, diabetes mellitus, kidney disease, cardio- and cerebrovascular diseases of subjects and their families ...
Vlek Anne L M - - 2009
Increased blood pressure generally is associated with kidney function decrease. We evaluated the rate of kidney function decrease, the effect of blood pressure on kidney function deterioration, and the possible interaction with albuminuria in patients with vascular disease. Prospective cohort study. 745 patients with vascular disease from the Second Manifestations ...
Mazza Nascimento M - - 2009
The incidence and prevalence of chronic kidney disease have been increasing in recent years in developing countries. The aim of this study was to report the results of a general chronic kidney disease awareness program applied to an urban population in a large Brazilian city. From January 2002 to January ...
Plantinga Laura C - - 2009
Recent guidelines recommending more aggressive blood pressure control in patients with chronic kidney disease have unknown impact. We assessed trends in and predictors of blood pressure control in 8829 adult National Health and Nutrition Examination Survey 1999-2006 participants with hypertension (self-report, measured blood pressure, or use of antihypertensive medications), without ...
Khosla Nitin - - 2009
There is an epidemic of chronic kidney disease in the Western world, with hypertension being the second most common cause. Blood pressure control rates, while improving, are still below 50% for the United States population. The following three challenges remain for the treatment of hypertension and associated prevention of end-stage ...
Kalaitzidis Rigas - - 2009
BACKGROUND: Chronic kidney disease (CKD) is a worldwide public health problem. Systolic blood pressure as an associated feature of CKD has not been fully explored in community volunteer and nationally representative samples of the US population. METHODS: This cross-sectional analysis evaluated hypertension and early-stage CKD in participants in the Kidney ...
Hua Rong - - 2009
BACKGROUND: Portopulmonary hypertension (PPH) is difficult to recognize in the early and middle stages because it is frequently asymptomatic. As right ventricular function is impaired in patients with moderate and severe PPH, any dramatic hemodynamic changes in liver transplantation or other procedures may result in death from pulmonary and cardiac ...
Liang Mingyu - - 2009
MicroRNA (miRNA) has emerged rapidly as a major new direction in many fields of research including kidney and blood pressure research. A mammalian genome encodes several hundred miRNAs. These miRNAs potentially regulate the expression of thousands of proteins. miRNA expression profiles differ substantially between the kidney and other organs as ...
Lewin Matthew R - - 2009
The Emergency Department (ED) may be an ideal place to screen and refer patients for blood pressure monitoring in the outpatient setting. Yet, little is known about the public health significance of asymptomatically elevated blood pressure measurements in the ED and what to tell patients when these abnormal vital signs ...
Yang Y Tony - - 2009
Since the 1990s, nationwide rates of vaginal birth after cesarean section (VBAC) have decreased sharply and rates of cesarean section have increased sharply. Both trends are consistent with clinical behavior aimed at reducing obstetricians' exposure to malpractice litigation. To estimate the effects of malpractice pressure on rates of VBAC and ...
Al-Asmary Saeed M - - 2008
OBJECTIVE: To determine the prevalence of both pre-hypertension and hypertension, and risk factors associated with the newly diagnosed Saudi military active duty personnel. METHODS: A community-based cross-sectional screening of 1238 Saudi military active duty service personnel was conducted during the period from September to December 2007 at the military units ...
Terawaki Hiroyuki - - 2008
Both chronic kidney disease (CKD) and masked hypertension (MHT) are known to be linked with an increased risk of cardiovascular disease (CVD), but their relationship has remained unclear. The present study aimed to evaluate the CKD incidence in individuals with MHT in the general Japanese population. We recorded self-measured blood ...
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