1,462 research outputs found
Preoperative aerobic exercise training in elective intra-cavity surgery: a systematic review
No full textReduced physical fitness is associated with increased risk of complications after intra-cavity surgery. Aerobic exercise training interventions improve physical fitness in clinical populations. However, it is unclear whether implementing a preoperative aerobic exercise training intervention improves outcome after intra-cavity surgery. We conducted a systematic review (Embase and PubMed, to April 2011) to address the question: does preoperative aerobic exercise training in intra-cavity surgery result in improved postoperative clinical outcomes? Secondary objectives were to describe the effect of such an intervention on physical fitness and health-related quality of life (HRQL) and report feasibility, safety, and cost-effectiveness. Ten studies were identified from 2443 candidate abstracts. Eight studies were small (<100 patients) and all were single centre. Seven studies reported clinical outcomes. Two studies were controlled trials and two used a sham intervention group. One study in cardiac surgery demonstrated reduced postoperative hospital and intensive care length of stay in the intervention group. Eight studies showed improvement in ?1 measure of physical fitness after the intervention. HRQL was reported in five studies; three showed improved HRQL after the intervention. The frequency, duration, and intensities of the exercise interventions varied across the studies. Adherence to exercise interventions was good. Two exercise-related adverse events (transient hypotension) were reported. Evidence for improved postoperative clinical outcome after preoperative aerobic exercise training interventions is limited. However, preoperative aerobic exercise training seems to be generally effective in improving physical fitness in patients awaiting intra-cavity surgery and appears to be feasible and safe
Portrait of Helen Hunt Jackson painted by A.F. Harmer in 1885, ca. 1885
No full textPhotograph of a portrait of Helen Hunt Jackson painted by A.F. Harmer in 1885, ca. 1885. She is turned slightly to the right and is visible from the chest up. She is wearing a high collared light-colored ruffled blouse under a dark dress. The portrait is signed with the artist's initials, "A.F.H.". Jackson was the author of the book "Ramona." Possibly painted from sittings in 1880 or 1882
Design metrics for evaluating the propulsive efficiency of future ships
No full textThere is an increasing need for the ship design process to take account of environmental issues such as the emission of greenhouse gases and the likely extension of a carbon dioxide charging mechanism to international shipping. These issues, together with the need for economic viability, provide further incentives to improve the efficiency of propulsion of ships. The main components of powering are firstly reviewed. Individual components and other power saving devices are identified which should contribute to improvements in the overall efficiency of propulsion. Suitable design metrics and procedures, taking into account economic and environmental factors, are recommended for the design of future ships
Design and implementation of the Delft molecular-dynamics processor
No full textApplied SciencesApplied Science
Un’esperienza didattica in tema di paleonutrizione
No full textThe item arises from an "elective" Paleopathology course suggested for students graduating in Medicine and Surgery at the University of Milan. This course discussed subjects as: molecular paleobiology, tumors and infectious paleopathology, paleonutrition, paleopathological museums and history of medicine. The author dealt with the "paleonutrition" subject. Extremely actual aspects emerged which drew the students' attention
Strategische alliantie voor Esprithuis: Strategische allianties als organisatie- en rechtsvorm van samenwerkingsverbanden in de bouw
No full textSamenwerkingsverbanden binnen de bouw krijgen steeds meer aandacht. De studies naar projectallianties door de faculteit Bouwkunde van de Technische Universiteit Delft zijn daar een voorbeeld van. Door de kennis over projectallianties rijst de vraag of projectoverstijgende alliantie - zogenaamde strategische allianties - bruikbare samenwerkingsverbanden kunnen zijn voor ondernemingen in de bouw. Vereniging EspritHuis is een bedrijvenvereniging die op basis van mass customization woningen wil gaan bouwen. Mass customization vraagt van de aanbiedende partij(en) een vergaande uitwisseling van informatie over de verschillende producten die worden aangeboden. De klant krijgt in een mass customized project namelijk de vrijheid om - binnen de (ruime) grenzen van de aanbieder - zijn of haar woonwensen te realiseren. De ontwikkelingen die door Vereniging EspritHuis zijn getieerd vragen van de deelnemers aan de ontwikkeling een intensieve en langdurige samenwerking. De doelen van het ontwikkelingsproces van Vereniging EspritHuis heeft sterke parallellen met de algemene eigenschappen van een strategische alliantie. De probleemstelling van dit rapport is daarom als volgt. Gezien de eerder geschetste situatie is het waardevol de strategische alliantie als organisatie- en contractmodel te onderzoeken en te beschouwen of deze is toe te passen op procesgroep EspritHuis, die op basis van mass customization een nieuw bouwproduct op de markt wil zetten. Vanuit het huidige organisatiemodel van EspritHuis is - om alle deelnemers aan de ontwikkeling te laten wennen aan de verhoudingen binnen een strategische alliantie - een stappenplan opgesteld voor de groei naar een model wat past binnen strategische allianties. Daarnaast is op basis van de nieuwe wetgeving voor personenvennootschappen een keuzeschema opgesteld om de juiste rechtsvorm te kiezen voor de strategische alliantie. Vanuit de mededingingswetgeving is niet te verwachten dat EspritHuis beperkingen zal worden opgelegd.Architectur
Preoperative exercise capacity in adult inflammatory bowel disease sufferers, determined by cardiopulmonary exercise testing
No full textAfter adjusting for age and sex, CD patients had a reduced AT compared to patients with colorectal cancer and other colorectal disease groups combined. The pathogenesis of this low AT remains to be defined and warrants further investigation
Author Correction:A cattle graph genome incorporating global breed diversity
No full textThe original version of this Article omitted from the author list the 12th and 13th authors Dennis Muhanguzi and Wilson Amanyire, who are from the ‘School of Biosecurity, Biotechnology and Laboratory Sciences (SBLS), College of Veterinary Medicine, Animal Resources and Biosecurity, Makerere University, P.O Box 7062, Kampala, Uganda’. Consequently, the final sentence of the Author Contributions incorrectly read ‘D.W., P.T., E.A.J.C., C.E., E.T.O., E.R.A., A. Tijjani, K.M., A.F., B.R.F., A.Q., U.C. and P.W. provided samples and expertise for the studies’. This has been replaced with ‘D.W., P.T., W.A., D.M., E.A.J.C., C.E., E.T.O., E.R.A., A. Tijjani, K.M., A.F., B.R.F., A.Q., U.C. and P.W. provided samples and expertise for the studies’. This has been corrected in both the PDF and HTML versions of the Article
A.S. Pavlov as Editor of "Ancient Russian Canon Law of XI-XV Centuries" (in the Light of Unpublished Correspondence of the Scholar and Academician A.F. Bychkov)
No full textВ статье анализируется содержание переписки отечественного юриста и историка А.С. Павлова с академиком А.Ф. Бычковым по поводу подготовки издания "Памятников древнерусского канонического права XI-XV вв.". The author analyzes the contens of correspondence of Russian jurist and historian A.S. Pavlov and academician A.F. Bychkov about preparing for publication "Ancient Russian Canon Law of XI-XV Centuries"
A study on the sea level variations and the 'Milghuba' phenomenon in the coastal waters of the Maltese Islands
No full textThe phenomenology, generation and associated dynamics of short period seiche oscillations observed along the northern coast of the Maltese Islands are studied from a set of densely sampled, long term hydro-meteorological observations made at a permanent sea level gauge, together with simultaneous observations of bottom pressure recordings at offshore positions and across the Malta Channel. This coastal seiche, known locally as the 'milghuba' manifests itself in conjunction with the occurrence of mesoscale atmospheric gravity waves travelling in the lower troposphere. The associated open sea waves excite the water bodies of the various inlets, bays and harbours into resonant oscillations which reach a range of up to lmin Mellieha Bay. Numerical experiments based on the free surface, non-linear Princeton Ocean Model (POM) in 2D mode explain the response characteristics of two adjacent wide-mouthed open embayments. The seiche-induced barotropic circulation and impact on the flushing of Mellieha Bay are studied by means of an advection-diffusion scheme implemented within POM. Sea level signals on the synoptic, planetary wave and seasonal scales dominate the residual spectrum A multiple regression model and a novel analytic technique based on the wavelet transform provide in combination a very effective means of studying the composition of the sea level signal and the dependence of its variability in time on one or more correlated parameters. Atmospheric pressure is the predominant factor determining the sea level variability at frequencies lower than 0.75cpd. In the upper synoptic frequency (0.3 < f < 0.5cpd) the response is very close to isostatic, with an average gain of 0.7. At other frequencies the overall response is non-isostatic implying that other factors besides mesoscale atmospheric pressure forcing contribute to the sea level variability. On account of the station's position close to the latitudinal axis of the Strait of Sicily, these signals are important in understanding the control of the Strait on intra-basin exchanges. Seasonal changes in the mean sea level show a major minimum in Marchand a major maximum towards the last months of the year. Besides the usual steric and direct meteorological effects, this variability is attributed to adjustments in the mass balance of the whole Mediterranean basin
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