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Song Chun Feng - - 2012
CO2 capture and storage (CCS) is an important alternative to control greenhouse gas (GHG) effects. In previous work, a novel desublimation CO2 capture process has been exploited making use of three free piston Stirling coolers (namely, SC-1, SC-2 and SC-3, respectively). Based on the developed system, moisture and CO2 in ...
Simmons Rita G - - 2012
Effective hypoxia-related mishap prevention relies upon aircrew rapid recognition of hypoxia symptoms. The objectives of this experiment were twofold: to compare the effectiveness of a forehead-mounted reflectance oximeter and finger-mounted pulse oximeter for application in a hypoxia early warning detection system, and to determine whether the forehead-mounted sensor could be ...
Kashima Hideaki - - 2012
We have previously reported the unique regional responses of facial skin blood flow (SkBF) to oral application of the basic tastes without simultaneous systemic circulatory changes. In the present study, we determined whether a systemic circulatory challenge due to sympathetic activation induces regional differences in facial SkBF by observing the ...
Jan Yih-Kuen - - 2012
The objectives of this study were to investigate the effects of local cooling on skin blood flow response to prolonged surface pressure and to identify associated physiological controls mediating these responses using the wavelet analysis of blood flow oscillations in rats. Twelve Sprague-Dawley rats were randomly assigned to three protocols, ...
Kupenko Ilya - - 2012
The effect of static compression up to 65 GPa at ambient temperature on ammonia borane, BH(3)NH(3), has been investigated using in situ Raman spectroscopy in a diamond anvil cells. Two phase transitions were observed at approximately 12 GPa and previously not reported transition at 27 GPa. It was demonstrated that ...
Carey Robert M - - 2012
Primary aldosteronism is the most common form of secondary hypertension. Case detection is based on an abnormal plasma aldosterone:plasma renin activity ratio and the diagnosis must be confirmed with an aldosterone suppression test. Subtype differentiation should be performed using adrenal venous sampling. Approximately 50% of patients with primary aldosteronism will ...
Makówka Agnieszka - - 2012
Most hypertensive dialysis patients are currently treated with angiotensin converting enzyme inhibitors (ACEI) and angiotensin receptor blockers (ARB). Aliskiren, the direct renin inhibitor, has not been specifically studied in peritoneal dialysis patients. The aim of the study was to compare hypotensive effects of aliskiren and ramipril and their influence on ...
Petrou Panayota - - 2012
The use of a ventriculoperitoneal (VP) shunt to treat uncontrollable intracranial hypertension in patients with cryptococcal meningitis without hydrocephalus is somewhat unusual and still largely unreported. However, uncontrollable intracranial hypertension without hydrocephalus in these patients is a potentially life-threatening condition. Early diagnosis and shunt placement are essential to improve survival ...
Fülöp Tibor - - 2012
Aims: End-stage renal disease (ESRD) patients on dialysis are perceived tohave difficult-to-control blood pressure (BP) and commonly treated with complex antihypertensive regimens. Our hypothesis was that peri-dialysis BP will overestimate the true burden of hypertension in these patients. Subjects and methods: We performed 44-h ambulatory blood pressure monitoring (ABPM) in ...
Bai Qiong - - 2012
Human urotensin II (hUII) is a newly discovered substance that can dilate small blood vessels to decrease the blood pressure (BP). Our previous studies showed that some volume-overloaded patients on peritoneal dialysis can maintain normal BP (congestive heart failure excluded), suggesting that these patients have volume resistance capacity. This study ...
Milan Alberto - - 2012
Primary aldosteronism is the most frequent cause of secondary hypertension, accounting for up to 11% of cases in selected populations. Patients affected by primary aldosteronism have shown higher prevalence of cardiovascular and cerebrovascular events compared with patients with essential hypertension, despite similar blood pressure levels. Several studies have been performed ...
Hedge Luke H - - 2012
Artificial structures associated with shipping and boating activities provide habitats for a diverse suite of non-indigenous marine species. Little is known about the proportion of invader success in nearby waters that is attributable to these structures. Areas close to piles, wharves and piers are likely to be exposed to increasing ...
Kralick Francis - - 2012
Hydrocephalus is the abnormal accumulation of cerebrospinal fluid (CSF) within the confines of the skull that if left untreated results in significant morbidity and mortality. The treatment for hydrocephalus has remained essentially unchanged for over 50 years. It was a technological advance in materials that allowed John Holter, in conjunction ...
Huang Tao - - 2012
The goal of this study was to observe possible changes of the skin microvascular perfusion on the acupoints and related areas and to quantify influences of acupuncture stimulation on the volunteers' blood pressure, heart rate, and heart rate variability (HRV). During the measurement, the needling sensations of volunteers were enquired ...
Hu Chang-Lin - - 2012
The laser Doppler flowmeter has become an effective tool for the clinical study of microcirculation with non-invasive measurements and excellent velocity resolution. Microcirculation flow measurements cannot be used as reference criteria for circulation function. Thus, the relative change in fingertip microcirculation was measured through inflation and deflation of an automatic ...
Sadighi-Bonabi Rasoul - - 2012
The luminescence parameters of laser-induced bubble in the presence of an acoustic field in water are studied. A comparison is made between parameters such as bubble radius, interior temperature, and pressure of the bubble induced by laser and an acoustic field influenced by different driving pressure amplitudes. It is found ...
Levitt David G - - 2012
Although the factors involved in cirrhotic ascites have been studied for a century, a number of observations are not understood, including the action of diuretics in the treatment of ascites and the ability of the plasma-ascitic albumin gradient to diagnose portal hypertension. This communication presents an explanation of ascites based ...
Wisshak Max - - 2012
In the recent discussion how biotic systems may react to ocean acidification caused by the rapid rise in carbon dioxide partial pressure (pCO(2)) in the marine realm, substantial research is devoted to calcifiers such as stony corals. The antagonistic process - biologically induced carbonate dissolution via bioerosion - has largely ...
Takemura Akihiro - - 2011
Most wrasse species in tropical waters exhibit daily spawning synchrony with a preference for high tide. Fish perceive tidal rhythm cues through sensory organs and activate the brain-pituitary-gonadal endocrine axis for synchronous gonadal maturation, although how the tidal-related spawning cycle is controlled endogenously is not known. The purpose of this ...
Fahlman Andreas - - 2011
Excised lungs from eight marine mammal species [harp seal (Pagophilus groenlandicus), harbor seal (Phoca vitulina), gray seal (Halichoerus grypush), Atlantic white-sided dolphin (Lagenorhynchus acutus), common dolphin (Delphinus delphis), Risso's dolphin (Grampus griseus), long-finned pilot whale (Globicephala melas) and harbor porpoise (Phocoena phocoena)] were used to determine the minimum air volume ...
Lillywhite Harvey B - - 2012
Physiological investigations of snakes have established the importance of heart position and pulmonary structure in contexts of gravity effects on blood circulation. Here we investigate morphological correlates of cardiopulmonary physiology in contexts related to ecology, behavior and evolution. We analyze data for heart position and length of vascular lung in ...
Nikolić Aleksandra - - 2011
Non-compaction of the left ventricle is a rare cardiac malformation, defined as a primary cardiomyopathy caused by genetic malformations. Although the pathogenesis of this cardiomyopathy is unknown, there are two possible hypotheses (congenital and acquired) which lead to arrest in intrauterine endomyocardial morphogenesis. We are presenting a case of a ...
Hedrick Michael S - - 2011
Vertical movement of lymph from ventral regions to the dorsally located lymph hearts in anurans is accomplished by specialized skeletal muscles working in concert with lung ventilation. We hypothesize that more terrestrial species with greater lymph mobilization capacities and higher lymph flux rates will have larger lung volumes and higher ...
Egset C K - - 2011
Variation in static allometry, the power relationship between character size and body size among individuals at similar developmental stages, remains poorly understood. We tested whether predation or other ecological factors could affect static allometry by comparing the allometry between the caudal fin length and the body length in adult male ...
Green Peter T - - 2011
In multiply invaded ecosystems, introduced species should interact with each other as well as with native species. Invader-invader interactions may affect the success of further invaders by altering attributes of recipient communities and propagule pressure. The invasional meltdown hypothesis (IMH) posits that positive interactions among invaders initiate positive population-level feedback ...
Eschtruth Anne K - - 2011
The widely held belief that riparian communities are highly invasible to exotic plants is based primarily on comparisons of the extent of invasion in riparian and upland communities. However, because differences in the extent of invasion may simply result from variation in propagule supply among recipient environments, true comparisons of ...
Prior Gina L - - 2011
Livestock grazing, which has a large influence on habitat structure, is associated with the widespread decline of various bird species across the world, yet there are few experimental studies that investigate how grazing pressure influences avian reproduction. We manipulated grazing pressure using a replicated field experiment, and found that the ...
Authier S - - 2011
INTRODUCTION: Similarities between pigs and humans support the relevance of Göttingen minipigs for regulatory safety pharmacology. The minipig is the species of choice for cardiovascular safety pharmacology when pivotal repeat toxicology studies are conducted in this species. METHODS: 4 male Göttingen minipigs with cardiovascular telemetry transmitters received intravenous saline, esmolol ...
Borgquist Ola O Department of Ophthalmology, Lund University and Skåne University Hospital, Lund, - - 2011
Negative-pressure wound therapy promotes healing by drainage of excessive fluid and debris and by mechanical deformation of the wound. The most commonly used negative pressure, -125 mmHg, may cause pain and ischemia, and the pressure often needs to be reduced. The aim of the present study was to examine wound ...
Rocklin Delphine - - 2011
The development of fishing efficiency coupled with an increase of fishing effort led to the overexploitation of numerous natural marine resources. In addition to this commercial pressure, the impact of recreational activities on fish assemblages remains barely known. Here we examined the impact of spearfishing limitation on resources in a ...
Palazy Lucille - - 2011
Trophy hunting is one of the most controversial issues in the field of biodiversity conservation. In particular, proponents and opponents debate fiercely over whether it poses a threat to hunted populations. Here, we show that trophy hunting constitutes a greater menace to threatened species than previously realized. Because humans value ...
Harvey Martyn G MG Department of Emergency Medicine, Waikato Hospital, Hamilton, New Zealand, - - 2011
Peripheral venous pressure (PVP) has been shown to correlate with central venous pressure (CVP) in a number of reports. Few studies, however, have explored the relationship between tissue pressure (TP) and PVP/CVP correlation. PVP and CVP were simultaneously recorded in a bench-top model of the venous circulation of the upper ...
Ineson Alastair - - 2010
A diving rebreather currently nearing release incorporates an infra-red CO2 analyser at the end of the exhale hose and uses the expired gas CO2 measurement made at this position to detect hypercapnia. This configuration may allow exhaled anatomic and mouthpiece dead space gas to mix with alveolar gas in the ...
Rudzka-Nowak Alina - - 2010
Antibiotic resistance of bacteria is on the rise and thus, the discovery of alternative therapeutic agents is urgently needed. Honey possesses good therapeutic potential, including wound healing properties and antimicrobial activity. The authors report on the case of a 55-year-old woman with extensive phlegmonous and necrotic lesions of the abdominal ...
Gall Trent T - - 2010
To evaluate fluid pressures generated via common wound-flushing techniques. 24 combinations of bottles, needles, a syringe, and a bag. 12 medically trained individuals used the following devices to forcefully expel fluid as for wound flushing: full and half-full 1-L and 500-mL bottles with holes in the cap made with 16-, ...
Kubiak Brian D - - 2010
Sepsis and hemorrhage can result in injury to multiple organs and is associated with an extremely high rate of mortality. We hypothesized that peritoneal negative pressure therapy (NPT) would reduce systemic inflammation and organ damage. Pigs (n = 12) were anesthetized and surgically instrumented for hemodynamic monitoring. Through a laparotomy, ...
Brancaccio Gianluca - - 2010
We present a case of neonatal poststernotomy mediastinitis treated by a vacuum-assisted closure (VAC). A newborn with hypoplastic left heart syndrome underwent a Norwood first-stage procedure and developed infection on the fourteenth postoperative day. Repeated cultures detected Staphylococcus epidermidis in two samples and Staphylococcus aureus in one. A VAC was ...
Weller C - - 2010
To estimate the difference between mean interface sub-bandage pressures of two multilayer compression bandage systems in healthy volunteers when supine, standing, exercising and during recovery. Inelastic and elastic compression bandages were randomised to opposite limbs of each participant. Sub-bandage interface pressures for both bandages were compared within person. Participants and ...
Rubio A - - 2010
Compression of a chew toy during regular play activity can create a vacuum effect eventually causing entrapment of oral tissues. Two cases of tongue entrapment are described, which resulted in severe tissue swelling, oedema and vascular obstruction. In the first dog, the toy was removed by the veterinary surgeon under ...
Mosti Giovanni - - 2010
It is widely believed that the loss of compression pressure of inelastic bandages is associated with a loss of efficacy in contrast to elastic material, which maintains its pressure and performance. This study compared the effect exerted by inelastic bandages vs elastic compression stockings on the venous pumping function in ...
Malmsjö Malin - - 2010
Pressure transduction to the wound bed in negative pressure wound therapy (NPWT) is crucial in stimulating the biological effects ultimately resulting in wound healing. In clinical practice, either foam or gauze is used as wound filler. Furthermore, two different drainage techniques are frequently employed. One involves the connection of a ...
Schuren J - - 2010
The aim of this paper was to determine whether Pascal's law can be used to explain the dynamics of compression therapy. Sub-bandage pressures were recorded at three different levels to investigate the transmission of applied pressure on the legs of 12 healthy volunteers and 216 applications. The experimental model revealed ...
Gnanaraj J - - 2010
Poorly healing wounds are a bane to any surgical unit, but particularly in rural areas, and require a lot of effort to manage. One of the most effective recent methods that has been described is the application of topical negative pressure. We describe here a simple system made from the ...
Zortuk Mustafa - - 2010
To compare the finger pressure applied by dentists during cementation and to examine the effect of gender and time of day on finger pressure. Fifteen dentists (9 males, 6 females) formed a study group and 10 master dies in premolar shape and Turcom Cera all-ceramic crowns were prepared to measure ...
Al Khaburi J - - 2011
Sub-bandage interface pressure generated by medical compression bandages (MCB) and hosiery changes in mobile patients as they move due to the change in the limb size. However, the amount of variation in the interface pressure is dependent on the stiffness of the compression material. Researchers have proposed several indices to ...
Gegel Brian - - 2010
BACKGROUND: Hemorrhage is the second leading cause of death in civilian trauma and the leading cause of preventable death in military trauma. The purpose of this study was to examine the effectiveness of three hemostatic agents: BleedArrest, TraumaDex, and Celox. MATERIALS AND METHODS: This was a prospective, experimental study using male ...
Petzina Rainer - - 2010
OBJECTIVE: Negative pressure wound therapy is the first-line treatment modality for poststernotomy mediastinitis in many heart centers. The aim of this study was to analyze major complications and possible preventive methods during negative pressure wound therapy in patients with deep sternal wound infections. METHODS: We retrospectively analyzed 69 consecutive patients ...
Arnold-Long Mary - - 2010
Our clinical experience suggests that the effectiveness of negative pressure wound therapy is enhanced by adding collagen alginate to the dressing regimen, applying foam over areas that are undermined or tunneled, and approximating and securing wound edges prior to applying foam. The use of this combined technique is described in ...
Engrav L H - - 2010
Pressure garment therapy is standard of care for prevention and treatment of hypertrophic scarring after burn injury. Nevertheless there is little objective data that confirms effectiveness. The purpose of this study was to determine the effectiveness of pressure garment therapy with objective data obtained with a randomized within-wound comparison. We ...
Landsman Adam - - 2010
Negative pressure wound therapy (NPWT) has become a widely used modality for the treatment of complex wounds. However, patient compliance is frequently difficult due to the need to carry a bulky, noisy electronic device. In this issue of Journal of Diabetes Science and Technology, Lerman and colleagues describe a new ...
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