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The Swedish grommet register – Hearing results and adherence to guidelines

Objectives: The insertion of grommets is one of the most commonly performed surgical procedures in children. The underlying reason might be otitis media with effusion (OME) with concomitant hearing loss, recurrent acute otitis media (rAOM) or a combination of the two. Sweden has a national quality register for children receiving grommets with the purpose of evaluating how treatment guidelines are

Neurosurgical untethering with or without syrinx drainage results in high patient satisfaction and favorable clinical outcome in post-traumatic myelopathy patients

Study design: Retrospective data collection and patient-reported outcome measures. Objectives: To investigate surgical outcome, complications, and patient satisfaction in patients with chronic SCI and symptomatic post-traumatic progressive myelopathy (PPM) who underwent neurosurgical untethering and/or spinal cord cyst drainage with the aim of preventing further neurological deterioration. Setting

Cation-Dependent Hot Carrier Cooling in Halide Perovskite Nanocrystals

Lead halide perovskites (LHPs) nanocrystals (NCs), owing to their outstanding photophysical properties, have recently emerged as a promising material not only for solar cells but also for lighting and display applications. The photophysical properties of these materials can be further improved by chemical engineering such as cation exchange. Hot carrier (HC) cooling, as one of the key photophysic

Quantitative mass spectrometry to study inflammatory cartilage degradation and resulting interactions with the complement system

Joint diseases are often characterized by inflammatory processes that result in pathological changes in joint tissues, including cartilage degradation and release of components into the synovial fluid. The complement system plays a central role in promoting the inflammation. Because several cartilage proteins are known to interact with complement, causing either activation or inhibition of the sys

Study protocol : Differential effects of diet and physical activity based interventions in pregnancy on maternal and fetal outcomes: Individual patient data (IPD) meta-analysis and health economic evaluation

BackgroundPregnant women who gain excess weight are at risk of complications during pregnancy and in the long term. Interventions based on diet and physical activity minimise gestational weight gain with varied effect on clinical outcomes. The effect of interventions on varied groups of women based on body mass index, age, ethnicity, socioeconomic status, parity, and underlying medical conditions

Physical barriers and environmental gradients cause spatial and temporal genetic differentiation of an extensive algal bloom

Aim: To test if a phytoplankton bloom is panmictic, or whether geographical and environmental factors cause spatial and temporal genetic structure. Location: Baltic Sea. Method: During four cruises, we isolated clonal strains of the diatom Skeletonema marinoi from 9 to 10 stations along a 1132 km transect and analysed the genetic structure using eight microsatellites. Using F-statistics and Bayesi

Multiple stressors in rotifer communities: : Effects of predation, climate change, and brownification

De flesta vattenlevande organismer på Jorden lever i en miljö där de samtidigt måste hantera flera olika hot och stressituationer, såsom t.ex. predation, klimatförändringar och brunifiering. Trots relativt god kunskap om varje stressfaktor för sig, vet man förvånansvärt lite om hur synergier av samtidigt förekommande hot påverkar organismer. Därför har jag i min avhandling undersökt hur predation,Most organisms on Earth live in an environment where they are exposed to multiple pressures, including predation and climate change. In many aquatic ecosystems, organisms have to handle additional challenges such as brownification, co-occurring with climate warming. Despite the growing recognition of impacts of climate warming or brownification on the freshwater communities, little is known on how

Pyk2 inhibition promotes contractile differentiation in arterial smooth muscle

Modulation from contractile to synthetic phenotype of vascular smooth muscle cells is a central process in disorders involving compromised integrity of the vascular wall. Phenotype modulation has been shown to include transition from voltage-dependent toward voltage-independent regulation of the intracellular calcium level, and inhibition of non-voltage dependent calcium influx contributes to main

Loneliness, health and mortality

Aims.: Literature suggests an association between loneliness and mortality for both males and females. Yet, the linkage of loneliness to mortality is not thoroughly examined, and need to be replicated with a long follow-up time. This study assessed the association between loneliness and mortality, including associations to gender, in 1363 adult swedes. Methods.: This community-based prospective co

Isotope effects in the reactions of chloroform isotopologues with Cl, OH, and OD

The kinetic isotope effects in the reactions of CHCl3, CDCl 3, and 13CHCl3 with Cl, OH, and OD radicals have been determined in relative rate experiments at 298 ± 1 K and atmospheric pressure monitored by long path FTIR spectroscopy. The spectra were analyzed using a nonlinear least-squares spectral fitting procedure including line data from the HITRAN database and measured infrared spectra as ref

Modelling the association between health indicators and commute mode choice : a cross-sectional study in southern Sweden

The impact of commuting on health depends, in part, on the mode of travel. A sizeable body of literature addresses associations between mode choice and health status, but little is known about how a person's health affects commuting mode choice. Stress, exhaustion and obesity are threats to public health that increase in modern societies. Understanding how these concerns impact mode choice is impo

SCR-catalyst utilisation and mixing comparison using a novel biomimetic flash-boiling injector

NOx pollution from Diesel engines causes over 10 000 premature deaths annually and the trend is increasing. In order to decrease this growing global problem, exhaust after-treatment systems for Diesel engines have to be improved. The most common SCR systems in the market place inject an aqueous Urea solution, DEF that evaporates prior the catalytic surface of the SCR-catalyst. Due to a catalytic r

Cardiovascular organ damage in type 2 diabetes mellitus : The role of lipids and inflammation

Background: The relationship between dyslipidemia, inflammation and CV organ damage in type 2 diabetes mellitus (T2DM) is complex. Insulin resistance and inflammatory cytokines interleukins (ILs) increase plasma triglycerides (TG). ILs also up-regulate expression of matrix-metalloproteinases (MMPs) that, together with TG, decrease high density lipoprotein cholesterol (HDL) levels. High TG, low HDL

In The Making : Traversing the project exhibition In the Desert of Modernity: Colonial Planning and After

The principal aim of my PhD research is to think through practices involved in the making of In the Desert of Modernity. Colonial Planning and After (Berlin 2008, Casablanca 2009), that constituted as well as traversed the exhibitions and went beyond. The project developed through a transnational constellation of culture producers, scholars, and activists from Berlin, Zurich, Paris, Delft and Casa

Holocene Hydroclimate Variability in Central Scandinavia Inferred from Flood Layers in Contourite Drift Deposits in Lake Storsjön

Despite the societal importance of extreme hydroclimate events, few palaeoenvironmental studies of Scandinavian lake sediments have investigated flood occurrences. Here we present a flood history based on lithological, geochemical and mineral magnetic records of a Holocene sediment sequence collected from contourite drift deposits in Lake Storsjön (63.12° N, 14.37° E). After the last deglaciation,

Modelling of diesel spray flames under engine-like conditions using an accelerated Eulerian Stochastic Field method

This paper aims to simulate diesel spray flames across a wide range of engine-like conditions using the Eulerian Stochastic Field probability density function (ESF-PDF) model. The ESF model is coupled with the Chemistry Coordinate Mapping approach to expedite the calculation. A convergence study is carried out for a number of stochastic fields at five different conditions, covering both convention

Evolution and systematics of polyploid Nigritella (Orchidaceae)

Members of the orchid genus Nigritella are widespread in European mountains, but species circumscriptions and evolutionary patterns in the genus are subjects to conflicting opinions. We analyzed a representative material of Nigritella for differentiation at nuclear and plastid marker loci. In agreement with predictions from embryological studies, diploid members of Nigritella are sexual and mostly

Impaired kidney function is associated with lower cognitive function in the elder general population. Results from the Good Aging in Skåne (GÅS) cohort study

Background: A possible connection on vascular basis between impaired kidney function and cognitive dysfunction has been suggested in previous studies. Contradictory results regarding specific cognitive domains have been reported. The aim for this study was to investigate the association between kidney function and specific cognitive domains. Methods: In this cross-sectional design, data from the g

The role of cities in the sharing economy : Exploring modes of governance in urban sharing practices

Cities have for a long time been key actors in sustainable urban development, and in recent times, also for the sharing economy, as they provide a fertile breeding ground for various sharing initiatives. While some of these initiatives build on existing practices and infrastructures such as public libraries and repair workshops, others require the involvement of private companies, as in the case o