Publications by authors named "Johannsen L"

Aim: To explore healthcare professionals' (HCPs) experiences when communicating about child- and family-related aspects in cancer care and their attitudes about the importance of including these aspects in cancer care.

Methods: We conduced semi-structured interviews with HCPs working in oncology. Interviews were audio-recorded, transcribed verbatim and analyzed using Kuckartz's method for qualitative content analysis.

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  • A study compared the cognitive load and effectiveness of two types of vibrotactile biofeedback (Attractive and Repulsive) for balance control in healthy young adults during multitasking scenarios.
  • Both feedback types improved balance stability while standing still, but Repulsive feedback showed greater effectiveness during tasks that required conflict resolution.
  • Attractive feedback required more cognitive resources when combined with working memory tasks, indicating that while both types benefit balance, their cognitive demands differ.
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  • The forward error correction (FEC) unit is a key component in digital baseband processing that demands high computational effort and power, making its efficient implementation critical for future mobile broadband standards.
  • Quantization affects the area, power consumption, and throughput of FEC decoders; while lower bit widths help with efficiency, they can reduce error correction performance.
  • This paper introduces optimized Fast Simplified Successive-Cancellation (Fast-SSC) polar code decoder implementations using a non-uniform quantization method based on the Information Bottleneck, achieving improvements in area and energy efficiency compared to existing decoders.
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  • Inconsistent reporting of outcomes in rosacea clinical trials is hindering accurate data analysis and meta-analyses, highlighting the need for standardized outcome measures.
  • A core outcome set (COS) was developed through systematic literature reviews and a Delphi process, involving feedback from physicians and patients to identify essential outcomes in rosacea trials.
  • The final COS includes 8 key domains, such as skin symptoms and patient satisfaction, which aim to enhance the comparability and relevance of future rosacea research and interventions.
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Objectives: Parents with cancer experience not only disease-related burden but also child- and family-related concerns. According to the German guidelines, all professionals working in oncology are responsible for addressing these burdens and needs and for involving the patient's relatives. This study aims to explore patients' perspectives on their experiences regarding family-centeredness in cancer care.

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Objective: Cancer patients parenting minor children face specific burden and supportive needs, which are often not adequately addressed by their healthcare professionals (HCPs), due to a lack of knowledge, self-efficacy and competencies. Therefore, we developed a 3-h intervention enhancing HCPs' competencies in caring for these patients. We pilot-evaluated the intervention's feasibility and efficacy, assuming intervention group participants reveal higher improvements over time compared to non-trained participants.

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Sequence learning in serial reaction time (SRT) tasks is an established, lab-based experimental paradigm to study acquisition and transfer of skills based on the detection of predictable regularities in stimulus and motor response sequences. Participants learn a sequence of targets and responses to these targets by associating the responses with subsequently presented targets. In the traditional paradigm, however, actions and response targets are directly related.

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The increased risk of falls in the older aged population demands the development of assistive robotic devices capable of effective balance support. For the development and increased user acceptance of such devices, which provide balance support in a human-like way, it is important to understand the simultaneous occurrence of entrainment and sway reduction in human-human interaction. However, sway reduction has not been observed yet during a human touching an external, continuously moving reference, which rather increased human body sway.

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Process interference or sharing of attentional resources between cognitive tasks and balance control during upright standing has been well documented. Attentional costs increase with greater balancing demands of a balance activity, for example in standing compared to sitting. The traditional approach for analyzing balance control using posturography with a force plate integrates across relative long trial periods of up to several minutes, which blends any balance adjustments and cognitive operations within this period.

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Introduction: As part of high-quality cancer care, healthcare professionals (HCPs) play a significant role in identifying and addressing specific needs of cancer patients parenting minor children. However, HCPs experience various barriers to adequately support parents with cancer. This systematic review explores current CSTs incorporating child- and family- specific modules for HCPs in oncology.

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Background: Spinal muscular atrophy (SMA) is a rare degenerative neuromuscular disease, mostly occurring in infants and children, leading to muscle wasting and weakness, and premature death. Due to new developments of multiple disease-modifying treatments within the last years, the interest of research in patients affected by SMA increased steadily. However, the psychosocial situation of parents as informal caregivers is still rarely addressed.

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Sequence learning in serial reaction time tasks (SRTT) is an established, lab-based experimental paradigm to study acquisition and transfer of skill based on the detection of predictable stimulus and motor response sequences. Sequence learning has been mainly studied in key presses using visual target stimuli and is demonstrated by better performance in predictable sequences than in random sequences. In this study, we investigated sequence learning in the context of more complex locomotor responses.

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Besides anthropometric variables, high-order body representations have been hypothesised to influence postural control. However, this has not been directly tested before. Moreover, some studies indicate that sex moderates the relationship of anthropometry and postural control.

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Objective: To provide an overview of quantitative data on the impact of cancer on the mental health of patients parenting minor children. We focused on mental health outcomes, their levels and prevalence, and applied measurement tools.

Methods: MEDLINE, CINAHL, PsycInfo and Web of Science were searched up to March 2021.

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This review assessed population-based estimate rates of cancer patients with minor and young adult children (≤ 25 years), children and young adults having a parent with cancer as well as the psychosocial situation and well-being of children and young adults affected by parental cancer. Eighteen publications on population-based studies were included. Studies varied in the age ranges of both cancer patients and children.

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Vibrotactile biofeedback can improve balance and consequently be helpful in fall prevention. However, it remains unclear how different types of stimulus presentations affect not only trunk tilt, but also Center of Pressure (CoP) displacements, and whether an instruction on how to move contributes to a better understanding of vibrotactile feedback.Based on lower back tilt angles (L5), we applied individualized multi-directional vibrotactile feedback to the upper torso by a haptic vest in 30 healthy young adults.

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Parental cancer poses major challenges for families with minor children. Due to diagnosis and treatment family life is disrupted. To prevent long-term consequences in all family members and to design needs-oriented family-centered interventions, further understanding of the family's situation including the impact on the children, quality of life levels and the parental psychosocial needs is necessary.

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An increasing number of patients with coronary artery disease are at high operative risk due to advanced age, severe comorbidities, complex coronary anatomy, and reduced ejection fraction. Consequently, these high-risk patients are often offered percutaneous coronary intervention (PCI) as an alternative to coronary artery bypass grafting (CABG). We aimed to investigate the outcome of patients with diabetes mellitus (DM) undergoing high-risk PCI.

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The avoidance of prolonged hospital stay is a major goal in the management of transcatheter aortic valve implantation (TAVI) - medically and economically. We compared the time range of the preprocedural length of stay in 2014/2015 with 2016/2017, after the implementation of the TAVI coordinator in 2016. This included restructured pathways for screening and pre-interventional diagnosis, performed examinations during the inpatient stay and major outcome variables.

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Objective: We investigated how light interpersonal touch (IPT) provided by a robotic system supports human individuals performing a challenging balance task compared to IPT provided by a human partner.

Background: IPT augments the control of body balance in contact receivers without a provision of mechanical body weight support. The nature of the processes governing the social haptic interaction, whether they are predominantly reactive or predictive, is uncertain.

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Objective: This paper describes the development of an assessment tool capturing competencies of healthcare professionals (HCPs) in caring for cancer patients with minor children.

Methods: We combined the methods of clinical case vignettes and situational judgement tests (SJTs). Scenarios were created based on literature and interviews with patients, HCPs, and experts.

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  • Researchers studied cancer patients who had heart problems while in the hospital to see how they did compared to non-cancer patients.
  • Out of over 60,000 patients, they found 153 cancer patients who needed special heart tests, mainly those with lymphoma and lung cancer.
  • The cancer patients had a higher chance of dying within a year (46% vs. 8% for non-cancer patients), so doctors need to pay special attention to their heart health.
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Light touch with an earth-fixed reference point improves balance during quite standing. In our current study, we implemented a paradigm to assess the effects of disrupting the right posterior parietal cortex on dynamic stabilization of body sway with and without Light Touch after a graded, unpredictable mechanical perturbation. We hypothesized that the benefit of Light Touch would be amplified in the more dynamic context of an external perturbation, reducing body sway and muscle activations before, at and after a perturbation.

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