Publications by authors named "Ohlmann S"

Background: Rural populations have a disproportionate burden of heart failure (HF) morbidity and mortality, associated with socioeconomic and racial inequities. Multiple randomized controlled trials of remote patient monitoring (RPM) using both direct patient contact and device-based monitoring have been conducted to assess improvement in HF outcomes, with mixed results.

Objective: We aimed to assess whether a novel digital health care platform designed to proactively assess and manage patients with HF improved patient outcomes by preventing HF re-exacerbations, thus reducing emergency room visits and HF hospitalizations.

View Article and Find Full Text PDF

Streptococcus suis (S. suis) is an important porcine pathogen causing meningitis, arthritis, and septicemia. Serotypes 2 and 14 are the most common zoonotic ones worldwide, whereas serotypes 2, 9, and 7 are very important in pigs in Europe.

View Article and Find Full Text PDF

The microscopic mechanism of the light-matter interactions that induce orbital angular momentum (OAM) in electromagnetic fields is not thoroughly understood. In this work, we employ Archimedean spiral vortex generators in time-resolved numerical simulations using the Octopus code to observe the behind-the-scenes of OAM generation. We send a perfect circularly-polarized plane-wave light onto plasmonic optical vortex generators and observe the resulting twisted light formation with complete spatio-temporal information.

View Article and Find Full Text PDF

() is a common swine pathogen but also poses a threat to human health in causing meningitis and severe cases of streptococcal toxic shock-like syndrome (STSLS). Therefore, it is crucial to understand how interacts with the host immune system during bacteremia. As has the ability to introduce d-alanine into its lipoteichoic acids (LTAs), we investigated the working hypothesis that cell wall modification by LTA d-alanylation influences the interaction of with porcine blood immune cells.

View Article and Find Full Text PDF

Klebsiella (K.) pneumoniae causes different diseases in humans and animals including the life-threatening liver abscess syndrome and septicemia, respectively. However, host-pathogen interactions of K.

View Article and Find Full Text PDF

Objectives: Klebsiella pneumoniae is an emerging invasive pathogen in humans and pigs. Resistance against multiple antibiotics in this species is a major health concern and the development of new antibiotics is urgently needed. The objective of this study was to investigate the effects of proline-rich antimicrobial peptides (PrAMPs) on the survival of K.

View Article and Find Full Text PDF

is a zoonotic agent causing meningitis in pigs and humans. Neutrophils, as the first line of defense against infections, release neutrophil extracellular traps (NETs) to entrap pathogens. In this study, we investigated the role of the secreted nuclease A of (SsnA) as a NET-evasion factor in vivo and in vitro.

View Article and Find Full Text PDF

Over the last few years, extraordinary advances in experimental and theoretical tools have allowed us to monitor and control matter at short time and atomic scales with a high degree of precision. An appealing and challenging route toward engineering materials with tailored properties is to find ways to design or selectively manipulate materials, especially at the quantum level. To this end, having a state-of-the-art ab initio computer simulation tool that enables a reliable and accurate simulation of light-induced changes in the physical and chemical properties of complex systems is of utmost importance.

View Article and Find Full Text PDF

A significant fraction of stars between 7 and 11 solar masses are thought to become supernovae, but the explosion mechanism is unclear. The answer depends critically on the rate of electron capture on ^{20}Ne in the degenerate oxygen-neon stellar core. However, because of the unknown strength of the transition between the ground states of ^{20}Ne and ^{20}F, it has not previously been possible to fully constrain the rate.

View Article and Find Full Text PDF

Bacteremia is a hallmark of invasive infections of pigs, often leading to septicemia, meningitis, or arthritis. An important defense mechanism of neutrophils is the generation of reactive oxygen species (ROS). In this study, we report high levels of ROS production by blood granulocytes after intravenous infection of a pig with high levels of -specific antibodies and comparatively low levels of bacteremia.

View Article and Find Full Text PDF

About ten per cent of 'massive' stars (those of more than 1.5 solar masses) have strong, large-scale surface magnetic fields. It has been suggested that merging of main-sequence and pre-main-sequence stars could produce such strong fields, and the predicted fraction of merged massive stars is also about ten per cent.

View Article and Find Full Text PDF
Article Synopsis
  • Recent advancements in managing chronic kidney disease-mineral and bone disorders have been linked to improved outcomes for patients undergoing kidney transplantation.
  • A retrospective study compared two groups of kidney transplant patients from different time frames, revealing significant improvements in vitamin D levels and reductions in hyperparathyroidism in the more recent group.
  • The incidence of fractures within the first year post-transplant significantly decreased in the newer group, dropping from 9.1% to 3.1%, indicating better bone health management following kidney transplantation.
View Article and Find Full Text PDF

Equivocal initial CT-based staging in 2 patients with hilar bronchial neoplasms was reassessed with retrospective ECG-gated Multislice-CT and optimized examination parameters prior to definition of treatment. An initially suspected irresectable T4 tumor with mediastinal infiltration was downstaged to T2 in one case, while tumor infiltration into the left atrium could be confirmed in the other case. In doubtful conditions, ECG-gated multislice CT with optimized examination parameters may be helpful for refined staging in patients with hilar bronchial neoplasms, thus possibly influencing treatment strategies.

View Article and Find Full Text PDF