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Hu Hao H Department of Anesthesiology, Xiangya Hospital, Central South University, Changsha 410008, - - 2014
Cerebral venous sampling may be useful in the evaluation of cerebral damage. A catheter was successfully inserted 18 cm deep from the right internal jugular vein into the transverse sinus in a 38 year old man with B-mode ultrasound guidance to measure pressure and sample blood. Transverse sinus venous oxygen ...
Onaran Zafer Z Department of Ophthalmology, Kırıkkale University School of Medicine , Kırıkkale , Turkey - - 2014
Abstract Purpose: To investigate the effects of combined orbital bone and fat decompression on intraocular pressure (IOP) and superior ophthalmic vein blood flow velocity (SOV-BFV), and their association with the clinical features of Graves orbitopathy (GO). Methods: During the 2002-2008 period, 72 eyes of 36 GO cases demonstrating moderate to ...
Doherty Marcus W MW Laser Physics Centre, Research School of Physics and Engineering, Australian National University, Australian Capital Territory 0200, - - 2014
The negatively charged nitrogen-vacancy (NV-) center in diamond has realized new frontiers in quantum technology. Here, the optical and spin resonances of the NV- center are observed under hydrostatic pressures up to 60 GPa. Our results motivate powerful new techniques to measure pressure and image high-pressure magnetic and electric phenomena. Additionally, ...
Kaur Ramandeep - - 2014
Inspired by recent experiments, we have theoretically explored the nature of itineracy in CoV2O4 under pressure and investigated, using first-principles density functional theory calculations, whether it has any magnetic and orbital ordering. Our calculations indicate that there could be two possible routes for obtaining the experimentally observed pressure induced metallicity ...
Lopez Michele Antonio MA From the *Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, - - 2014
The current study describes an innovative protocol for the surgical maxillary sinus augmentation via a crestal approach that uses hydraulic pressure to lift the Schneiderian membrane and simultaneously fill the subantral space with a biomaterial for bone regeneration (nanocrystalline hydroxyapatite in aqueous solution). The technique in question combines the advantages ...
Misra Amit A 1 University of Washington Astronomy Department , Seattle, Washington, USA - - 2014
Abstract We present a new method to probe atmospheric pressure on Earth-like planets using (O2-O2) dimers in the near-infrared. We also show that dimer features could be the most readily detectable biosignatures for Earth-like atmospheres and may even be detectable in transit transmission with the James Webb Space Telescope (JWST). ...
Alnemrat S S Department of Physics, New Mexico State University, Las Cruces, NM 88003, USA. Physics Department, Naval Postgraduate School, Monterey, CA 93943, - - 2013
The present study provides new insights into the pressure dependence of magnetism by tracking the hybridization between crystal orbitals for pressures up to 600 GPa in the known hcp, bcc and fcc iron. The Birch-Murnaghan equation of state parameters are; bcc: V0 = 11.759 A(3)/atom, K0 = 177.72 GPa; hcp: V0 = 10.525 A(3)/atom, K0 = 295.16 GPa; and fcc: V0 = 10.682 A(3)/atom, K0 = 274.57 GPa. These ...
Chung Seung-Kyu SK Department of Otorhinolaryngology: Head and Neck Surgery, Samsung Medical Center, Sungkyunkwan University, School of Medicine, Seoul, Republic of - - 2013
The effects of middle meatal antrostomy (MMA) on air and nitric oxide exchange in the human maxillary sinus were quantified using the computational fluid dynamics technique. One full period of respiration was considered in the anatomically correct numerical domain. The simulation results showed that MMA did not cause any noticeable ...
Cheng J-G - - 2013
Perovskite oxides ABO3 are important materials used as components in electronic devices. The highly compact crystal structure consists of a framework of corner-shared BO6 octahedra enclosing the A-site cations. Because of these structural features, forming a strong bond between A and B cations is highly unlikely and has not been ...
Jesch Philip - - 2013
To evaluate medical efficacy and safety of crestal, minimally invasive sinus floor augmentation (MISFA) using an innovative method based on high hydraulic pressure. Twenty MISFA using the novel Jeder-System were performed in 18 patients at 2 study sites in Vienna, Austria. The Jeder-System consists of the Jeder-drill, the Jeder-pump, and ...
Kirshenbaum Kevin - - 2013
Simultaneous low-temperature electrical resistivity and Hall effect measurements were performed on single-crystalline Bi_{2}Se_{3} under applied pressures up to 50 GPa. As a function of pressure, superconductivity is observed to onset above 11 GPa with a transition temperature T_{c} and upper critical field H_{c2} that both increase with pressure up to 30 GPa, where ...
Grant Joshua - - 2013
Transverse (lateral) sinus thrombosis is a well-known complication of acute otitis media and mastoiditis in the pediatric and adult population. Thrombosis involving the transverse sinus can ultimately cause elevation of intracranial pressure (ICP) as a result of decreased cerebrospinal fluid absorption. If treatment to lower ICP is not undertaken, it ...
Ptaszynski Pawel - - 2013
Inappropriate sinus tachycardia (IST) is a clinical syndrome characterized by excessive resting heart rate (HR) or disproportional HR increase during exercise. The etiology of IST has not been fully elucidated and remains controversial. The aim of the present study was to assess autonomic function by means of noninvasive tests and ...
Degerliyurt Kagan - - 2013
PURPOSE:: Although epinephrine is one of the most commonly used vasoconstrictor in association with local anesthesia in dentistry, systemic effects of topical admission of epinephrine for sinus augmentation have not been investigated yet. The purpose of this study was to reveal the safety of epinephrine as a topical vasoconstrictor in ...
Rose G E GE Orbital Clinic, Moorfields Eye Hospital, London, UK. - - 2013
Vascular events in the orbit can present with an acute onset of symptoms, and, if untreated, raised orbital pressure and reduced arterial perfusion can lead to loss of orbital functions. Such events are commonly due to haemorrhage, but can also be due to arterio-venous shunts and very rarely arise from ...
Barisic Ivan - - 2013
We demonstrate the full counteracting ability of stable gastric pentadecapeptide BPC 157 against KCl-overdose (intraperitoneal (i), intragastric (ii), in vitro (iii)), NO-system related. (i) We demonstrated potential (/kg) of: BPC 157 (10ng, 10μg ip, complete counteraction), L-arginine (100mg ip, attenuation) vs. L-NAME (5mg ip, deadly aggravation), given alone and/or combined, ...
Schipke Jochen D - - 2013
Unintentional mechanical manipulation anywhere in the distribution of the trigeminal nerve might activate a reflexive bradycardia. Neurosurgeons need to bear in mind detrimental consequences on cardiac function. A female patient (53 years) underwent a computer-assisted (CAS), paranasal sinus operation performed under general anesthesia. During left sided CAS and preparation of ...
Jordan Jens - - 2012
Treatment resistant arterial hypertension is commonly defined as blood pressure that remains above goal in spite of the concurrent use of three antihypertensive agents of different classes. The sympathetic nervous system promotes arterial hypertension and cardiovascular as well as renal damage, thus, providing a logical treatment target in these patients. ...
Matsubayashi K - - 2012
We report the discovery of a pressure-induced heavy fermion superconductivity in a nonmagnetic orbital ordering state in the cubic compound PrTi_{2}Al_{20}. In particular, we found that the transition temperature and the effective mass associated with the superconductivity are dramatically enhanced as the system approaches the putative quantum critical point of ...
Rossi Tommaso - - 2012
PURPOSE: Primary Blast Injury (PBI) mostly affects air-filled organs although sporadically reported in fluid-filled organs including the eye. Purpose of present paper is to explain orbit blast injury mechanisms through Finite Element Modelling (FEM). Design: FEM mesh of eye, orbit and skull was generated. Pressure, strain and strain rates were ...
Huang Zuocai - - 2012
High-pressure scheelite phases of RVO(4) (R = Y, Sm, Gd, Yb, Lu) compounds were prepared by high pressure (up to 25 GPa) from zircon RVO(4) compounds. Raman spectra of these scheelite phases of RVO(4) were determined and discussed in detail. Mechanical properties, including bulk, shear, Young's modulus, B/G and Poisson's ...
Hexdall Eric J - - 2012
Pressure-related vision loss has been reported during ascent to altitude. We report the case of an otherwise healthy diver who suffered painless, sudden-onset binocular vision loss at depth, followed by complete recovery immediately upon surfacing. We examine the dive and briefly discuss the differential diagnosis of transient vision loss in ...
Lopes Demetrius Klee - - 2012
BACKGROUND: Cerebral venography and manometry are used for the diagnosis of hemodynamically significant venous sinus stenosis in patients with the syndrome of idiopathic intracranial hypertension. Intravenous pressure measurements using the traditional microcatheter technique can be cumbersome, time consuming and potentially unreliable. The PrimeWire Prestige pressure guidewire conducts pressure electrically and ...
Mei Qi-Yong - - 2012
Treatment of refractory idiopathic intracranial hypertension (IIH) is a challenging problem. We reported a refractory IIH patient who manifested with typical intracranial hypertensive symptoms successfully treated with endovascular stent implantation. Pre-operative cerebrospinal fluid (CSF) opening pressure is 36 cmH2O. Cerebral angiography demonstrated a stenotic lesion located at the right transverse ...
Lunawat A - - 2012
Patients with profound sensorimotor deficits following spinal trauma/post spinal surgery are vulnerable to develop pressure ulceration. Here we present an unusual case of multiple pressure ulcers in an 11-year-old paraplegic child, with histiocytoma of the spine at the T1-T3 level. Although multiplicity of ulcers is not uncommon, this was the ...
Lee Ha Lim - - 2012
Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disorder involving the systemic motor neurons, but autonomic nervous function is relatively well preserved. A few studies related to autonomic dysfunction have been reported, but autonomic dysfunction is rare in ALS. Moreover, dysautonomia symptoms are not prominent in patients with ALS. We ...
Bernad Sandor I - - 2012
Blood flow analysis of the human right coronary artery (RCA) has been carried out to investigate the effects of serial stenosis on coronary hemodynamics. A 3-D model of a serial stenosed RCA was reconstructed based on multislice computerized tomography images. A velocity waveform in the proximal RCA and a pressure ...
Baracchini Claudio - - 2012
A condition called "chronic cerebrospinal venous insufficiency" (CCSVI) has been postulated to play a role in the pathogenesis of multiple sclerosis (MS). This hypothesis implies that a complex pattern of extracranial venous stenosis determines a venous reflux into the brain of MS patients, followed by increased intravenous pressure, blood-brain barrier ...
Le Merrer Marie - - 2012
We investigate the dynamics of bubble rearrangements in coarsening foams, using a time-resolved multiple light scattering technique. We measure the average duration of such events as a function of the foam confinement pressure. Rearrangements slow down as the pressure is decreased toward the jamming point. Our results are explained by ...
Agarwal Abhishek - - 2012
A 24-year-old woman with quadriplegia was admitted with respiratory failure because of pneumonia. She was on multiple medications including diazepam, oxycodone, and amitriptyline, known to be associated with coma blisters, though she did not overdose on any of them. On hospital day 2, she developed multiple blisters on both sides ...
Alsuwaida Abdulkareem - - 2011
Hypertension is an important risk factor for the commonest cause of death among men, namely, cardiovascular diseases. The purpose of this study was to provide data concerning gender difference in the awareness, treatment, and control of hypertension in adults. We conducted a cross-sectional study in Riyadh, the capital city of ...
Conn Harold O - - 2011
The incidence of idiopathic normal pressure hydrocephalus (INPH) is seen to be relatively rare, ie about two per million inhabitants per year. Five studies on the prevalence of INPH in elderly patients, from three countries, have been published between 1985 and 2009.1-5 Prevalence ranged from 0.41% to 2.94% (mean 0.8%), ...
Hearst Mary O - - 2011
To estimate the prevalence and explore the social and cultural etiologic roots of weight status, blood pressure, and acanthosis nigricans among American Indian children on a reservation in South Dakota. This observational study was conducted in 26 schools from 1998 to 2002 and included 5,422 observations representing 3,841 children, ages ...
Vega Jorge - - 2011
Relatively little is known on how the Doppler method compares with oscillometric measurement using a conventional automatic blood pressure device to determine the ankle-brachial index, when determinations are performed by physicians with little experience. To assess the diagnostic efficacy of both methods in this professional group, we calculated their sensitivity, ...
Satoh Fumitoshi - - 2011
Primary aldosteronism (PA) is the most common cause of secondary hypertension, accounting for 10% of all hypertension. Far from being benign, hypertension due to PA is associated with high cardiovascular morbidity and mortality. However, PA is still underdiagnosed in general practice. Recent reports strongly recommend that identifying patients with PA ...
Schillaci Giuseppe - - 2011
OBJECTIVE: Aortic stiffness, a prognostically adverse marker of arteriosclerosis, is critically dependent on blood pressure (BP). Office BP may not always reflect BP behaviour away from the medical environment, and it is uncertain whether office or out-of-office BP values are stronger determinants of arterial stiffness. METHODS: Twenty-four-hour BP and carotid-to-femoral ...
Carroll D - - 2011
Although clinical observations implicate cortisol in hypertension, the epidemiological evidence is less compelling. Little is known about the relationship between dehydroepiandrosterone sulphate (DHEAS) and hypertension, and nothing about the association with the cortisol:DHEAS ratio. The present analyses of data obtained from Vietnam-era US veterans examined the associations between cortisol, DHEAS, ...
Steiner Sabine - - 2011
BackgroundBlood pressure (BP) awareness is a main focus of public health efforts. In Austria, an increase of knowledge and perception regarding hypertension was seen after a nationwide educational campaign in 1978, but subsequent surveys documented only short-term impact. We report results of the latest survey in 2009 in comparison to ...
Liu Sze Yan - - 2011
Attaining a degree may offer greater opportunities for health than years of schooling alone. This study examines whether there is a degree, or "sheepskin," effect on the association between education and blood pressure. Multivariable-adjusted ordinal and linear regression models assessed associations of years of schooling and degree attainment with systolic ...
Streitel Katherine L - - 2011
To discern whether gender was a unique predictor of the white coat effect (WCE) in a population of normotensives and patients diagnosed with hypertension. Participants (n=252) underwent a doctor's office visit to have their blood pressure measured. Multiple blood pressure readings were taken by both a research assistant and by ...
Klimentidis Y C - - 2012
Cardiovascular disease has a progressively earlier age of onset, and disproportionately affects African Americans (AAs) in the United States. It has been difficult to establish the extent to which group differences are due to physiological, genetic, social or behavioural factors. In this study, we examined the association between blood pressure ...
Acelajado Maria Czarina - - 2011
Resistant hypertension (RHTN) is defined as blood pressure (BP) that remains uncontrolled in spite of intake of ≥3 antihypertensive medications, ideally prescribed at optimal doses and one of which is a diuretic. The incidence of primary aldosteronism (PA) in patients with RHTN is estimated in prospective studies to be 14 ...
Ostchega Yechiam - - 2011
The "gold standard" employed for obtaining blood pressure (BP) for all the National Health and Nutrition Examination Surveys (NHANES) has been the mercury sphygmomanometer (HgS). Because of environmental concerns, there is a need to explore an alternative to HgS. We compared the accuracy of the Welch Allyn 767 wall aneroid ...
Liao C-F - - 2010
The effects of pressure wave reflection have been incompletely described by the central augmentation index (cAI) and augmented pressure (Pa). We therefore investigated the determinants of amplitude of the reflected wave (Pb), which is independent of the reflected wave transit time (RWTT) and has been shown to predict cardiovascular mortality ...
Fesler Pierre - - 2010
To determine the relationship between arterial function (stiffness and wave reflection) and glomerular hemodynamics. In 49 healthy normotensive individuals, glomerular filtration rate (GFR) and effective renal plasma flow (ERPF) were measured by urinary clearances of TC-DTPA and I-hippuran, respectively. Filtration fraction was computed as GFR/ERPF. Arterial stiffness was estimated by ...
Rush William - - 2010
Background and Aims: There is high variation in the way hypertension is managed by primary care physicians (PCP's). The aim of this study was to evaluate correlations between the frequency of different treatment strategies and overall achievement of blood pressure goals. Methods: We reviewed 280,423 encounters with 127 HealthPartners PCP's ...
Corsino Leonor - - 2011
The authors sought to examine the relationship between physician characteristics and patient blood pressure (BP) in participants enrolled in the Hypertension Improvement Project (HIP). In this cross-sectional study using baseline data of HIP participants, the authors used multiple linear regression to examine how patient BP was related to physician characteristics, ...
Joannides Robinson - - 2010
This study attempted to establish whether a calcineurin inhibitor (CNI)-free immunosuppressant regimen based on sirolimus (SRL) is associated with a preservation of conduit arteries endothelial function in kidney recipients or not. Twenty-nine kidney recipients were randomized to receive since transplantation SRL (n=15) or cyclosporin A (CsA, n=14) associated with mycophenolate ...
Benz Kerstin - - 2011
An association between low nephron number and subsequent development of hypertension in later life has been demonstrated. The underlying pathomechanisms are unknown, but glomerular and postglomerular changes have been discussed. We investigated whether such changes are already present in prehypertensive "glial cell line-derived neurotrophic growth factor" heterozygous mice (GDNF+/-) with ...
Wuerzner Grégoire - - 2010
BACKGROUND: Obesity and African American ethnicity are established independent risk factors for the development of chronic kidney disease. No data exist about the association between obesity and renal hemodynamics in the African region. STUDY DESIGN: Cross-sectional study. SETTING & PARTICIPANTS: 301 nondiabetic participants (97 lean, 108 overweight, and 96 obese) ...
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