Publications by authors named "Grossmann F"

Objectives: Inpatient falls are a major patient safety issue in acute care hospitals. Multifactorial in-hospital fall prevention programs have shown reductions in falls and related risks. One common element of successful programs is active patient involvement.

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A full quantum-mechanical (QM) description of large amplitude nuclear motion, associated with chemical reactions or isomerization of high-dimensional molecular systems, is inherently challenging due to the exponential scaling of the QM complexity with system size. To ameliorate the scaling bottleneck in studies of realistic systems, typically modeled in the configuration space, the nuclear wave functions are represented in terms of time-dependent basis functions. Such bases are expected to give an accurate description with a modest number of basis functions employed, by adapting them to the wave function solving the time-dependent Schrödinger equation.

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Article Synopsis
  • * A study tested whether a week of heat exposure could help elite para-cycling athletes with SCI acclimate to high temperatures, with participants training daily in a heat chamber.
  • * Results showed that after seven days, athletes improved their body mass loss, sweat rate, and time to exhaustion, indicating positive effects from the heat acclimation protocol despite individual variations in core temperature and heart rate.
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Aim: Blood Sampling Guidelines have been developed to target European emergency medicine-related professionals involved in the blood sampling process (e.g. physicians, nurses, phlebotomists working in the ED), as well as laboratory physicians and other related professionals.

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Conflicts between persons with opioid dependency and professionals in an acute hospital: A qualitative document analysis Opioid dependency is a chronic disease with severe health and social consequences. Patients often suffer from chronic infectious diseases, the consequences of which require treatment in an acute care hospital. On hospital wards, conflicts between patients with opioid dependency and professionals can be observed frequently.

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Introduction: Opioid agonist treatment (OAT) is the first-line treatment for opioid use disorder (OUD). Simultaneously, opioids are essential medicines in acute pain management. The literature is scarce on acute pain management in individuals with OUD, and guidelines are controversial for patients on OAT.

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Background: Contextually adapting complex interventions and tailoring their implementation strategies is key to a successful and sustainable implementation. While reporting guidelines for adaptations and tailoring exist, less is known about context-specific adaptations of complex health care interventions.

Aims: To describe in methodological terms how the merging of contextual analysis results (step 1) with stakeholder involvement, and considering overarching regulations (step 2) informed our adaptation of an Integrated Care Model (ICM) for SteM cell transplantatIon faciLitated by Health (SMIL) and the tailoring of its implementation strategies (step 3).

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The purpose of the study was to verify the criterion-validity (concurrent) of an existing and reliable, submaximal wheelchair Rugby (WCR) field test by examining the correlations of selected measures of physical performance between the field test and real games. Therefore, ten WCR athletes were observed during two WCR real games and during completing the field test two times. Total distance, mean and peak velocity, playing time, number of sprints, sprints per minute, mean and maximal heart rate, body core temperature (Tc), sweat rate, body weight loss, rate of perceived exertion and thermal sensation were measured.

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"Feeling secure at home" starts in the hospital: A qualitative study about the experience of patients with a APN hematology High dose chemotherapy (HDC) and hematopoietic stem cell transplantation (HSCT) are complex procedures bringing about physical and mental stress for the persons affected. In preparation for the time after their stay in the hospital, patients need individual support and education already during their hospital stay. The study investigated how patients after HDC with or without HSCT experienced the preparations by a hematology Advanced Practice Nurse (APN) for the post hospitalization phase and how they experienced managing their day-to-day life back at home.

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Article Synopsis
  • Individuals with spinal cord injury (SCI) have limited sweating ability, which increases their risk for heat-related illnesses during activities like wheelchair basketball (WCB), particularly in hot conditions (HOT).
  • A study comparing WCB performance in HOT (31 °C) and temperate (TMP, 21 °C) environments with 11 male athletes found that the HOT group had a significantly higher sweat rate and greater fluid loss, while also experiencing less increase in body core temperature compared to the TMP group.
  • The results suggest that while the mean game speed was similar in both conditions, athletes in HOT need to be adequately hydrated to prevent dehydration, as they experienced a notable body mass loss and higher perspiration rates.
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The aim was to investigate the test-retest reliability of performance and physiological variables of a submaximal wheelchair rugby field test. Eight trained wheelchair rugby athletes with a spinal cord injury (age: median 40, interquartile range 6.9 y; body mass: median 77.

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Vibrational dynamics of adsorbates near surfaces plays both an important role for applied surface science and as a model lab for studying fundamental problems of open quantum systems. We employ a previously developed model for the relaxation of a D-Si-Si bending mode at a D:Si(100)-(2 × 1) surface, induced by a "bath" of more than 2000 phonon modes [Lorenz and P. Saalfrank, Chem.

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This study compared performance parameters of two wheelchair basketball games under hot (30.3 °C, 52% relative humidity) and temperate (21.6 °C, 30% relative humidity) environmental conditions and described the characteristics of wheelchair basketball.

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In individuals with a spinal cord injury thermoregulatory mechanisms are fully or partially interrupted. This could lead to exercise-induced hyperthermia in temperate conditions which can be even more distinct in hot conditions. Hyperthermia has been suggested to impair physiological mechanisms in athletes, which could negatively influence physical performance and subjective well-being or cause mild to severe health issues.

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Employing the time-dependent variational principle combined with the multiple Davydov D Ansatz, we investigate Landau-Zener (LZ) transitions in a qubit coupled to a photon mode with various initial photon states at zero temperature. Thanks to the multiple Davydov trial states, exact photonic dynamics taking place in the course of the LZ transition is also studied efficiently. With the qubit driven by a linear external field and the photon mode initialized with Schrödinger-cat states, asymptotic behavior of the transition probability beyond the rotating-wave approximation is uncovered for a variety of initial states.

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Aims: To explore emergency nurses' and physicians' experience of collaboration and collective decision-making when triaging older Emergency Department patients within the interprofessional team triage system.

Design: Qualitative.

Methods: Semi-structured interviews were conducted with seven nurses and five physicians.

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Aim: To investigate patient preferences for treatment settings in the light of the current pandemic.

Methods: Patients, who prior to the pandemic had attended two different outpatient clinics in a university hospital for their infusions or injections, were interviewed by telephone. The semi-structured interviews were analyzed using qualitative and quantitative methods.

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Populations of African savannah elephants (Loxodonta africana) have been declining due to poaching, human-elephant conflict, and habitat loss. Understanding the causes of these declines could aid in stabilizing elephant populations. We used data from the Great Elephant Census, a 19-country aerial survey of savannah elephants conducted in 2014 and 2015, to examine effects of a suite of variables on elephant mortality.

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Background: Non-communicative adult ICU patients are vulnerable to inadequate pain management with potentially severe consequences. In German-speaking countries, there is limited availability of a validated pain assessment tool for this population.

Aim: The aim of this observational study was to test the German version of the Critical-Care Pain Observation Tool (CPOT) in a heterogeneous adult ICU population.

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Introduction: Different scoring methods exist for the Month of the Year Backward Test (MBT), which is designed to detect inattention, the core feature of delirium. When used as a part of the modified Confusion Assessment Method for the Emergency Department (mCAM-ED), each error in the MBT scores one point. Because this scoring procedure is complex, we aimed to simplify the scoring method of the MBT.

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Two different numerically exact methods for open quantum system dynamics, the hierarchy of pure states (HOPS) method, and the multi-Davydov-Ansatz are discussed. We focus on the suitability of the underlying representations of bath correlations. While in the HOPS case the correct description of the bath correlation function (BCF) in the time domain is decisive, it turns out that a windowed Fourier transform of the BCF is an appropriate indicator of the quality of the discretization in the multi-Davydov-Ansatz.

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We theoretically investigate transitions in a two-level system, which are induced by a sweep through an avoided crossing in the presence of coupling to a single, excited bosonic mode. This allows us to propose an initial number-state bosonic excitation as a new possible control parameter for the survival probability at long times. The expansion of number states in terms of coherent states centered around points on a circle in phase space makes a multi-Davydov-Ansatz the method of choice to perform the required numerical calculations.

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We present and test an approximate method for the semiclassical calculation of vibrational spectra. The approach is based on the mixed time-averaging semiclassical initial value representation method, which is simplified to a form that contains a filter to remove contributions from approximately harmonic environmental degrees of freedom. This filter comes at no additional numerical cost, and it has no negative effect on the accuracy of peaks from the anharmonic system of interest.

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