Publications by authors named "Beyer S"

A significant number of patients experience prolonged symptoms following COVID-19 in particular cases of fatigue. Yet, pathomechanisms of COVID-19-related fatigue remain unclear. This study investigated patients after confirmed SARS-CoV-2 infection (PC) with relevant fatigue according to the Fatigue Assessment Scale (≥22 points) to rule out malnutrition as a driving factor for fatigue and to evaluate daily activity and sleep characteristics.

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Introduction: Postpartum depression (PPD) is a severe complication in the postpartum period and equals a major depression occurring in the first weeks after delivery. During the COVID-19 pandemic, an increased incidence of PPD was observed. For this reason, we conducted an intervention study to test the effectiveness of the "7mind"-app, an app-based mindfulness training program, in the prevention of PPD.

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Purpose: The purpose of this study was to analyse the factors that influence patients` choice of obstetric and gynaecological medical centre.

Methods: Patients attending the gynaecological and obstetric outpatient department (gyn./obs.

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Melanoma remains a formidable challenge in oncology, causing the majority of skin cancer deaths in the United States, with brain metastases contributing substantially to this mortality. This paper reviews the current therapeutic strategies for melanoma brain metastases, with a focus on delayed and concurrent stereotactic radiosurgery (SRS). While surgery and traditional chemotherapy offer limited efficacy, recent advances in immunotherapy, particularly immune checkpoint inhibitors (ICIs), have played a major role in the advancement and improved efficacy of the treatment of cancers, including brain metastases.

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Trastuzumab-deruxtecan (T-DXd) has demonstrated intracranial efficacy; however, safety and efficacy data remains limited with stereotactic radiosurgery (SRS). A multi-institutional review was performed with HER2+ or HER2-low metastatic breast cancer treated with T-DXd and SRS for active brain metastases. We identified 215 lesions treated over 48 SRS courses in 34 patients.

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Background: Although personalization and tailoring have been identified as alternatives to a "one-size-fits-all" approach for eHealth technologies, there is no common understanding of these two concepts and how they should be applied.

Objective: This study aims to describe (1) how tailoring and personalization are defined in the literature and by eHealth experts, and what the differences and similarities are; (2) what type of variables can be used to segment eHealth users into more homogeneous groups or at the individual level; (3) what elements of eHealth technologies are adapted to these segments; and (4) how the segments are matched with eHealth adaptations.

Methods: We used a multimethod qualitative study design.

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Purpose: Carbon fiber-reinforced polyetheretherketone (CFR-PEEK) instrumentation is being used more frequently in the spinal oncology landscape. Better visualization with this material allows for more precise postoperative stereotactic body radiation therapy (SBRT) planning using either computed tomography (CT)-myelography or magnetic resonance imaging (MRI) studies. We compared the dosimetric planning equivalencies and outcomes.

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Glioblastoma presents a formidable clinical challenge because of its complex microenvironment. Here, we characterized tumor-associated foam cells (TAFs), a type of lipid droplet-loaded macrophage, in human glioblastoma. Through extensive analyses of patient tumors, together with in vitro and in vivo investigations, we found that TAFs exhibit distinct protumorigenic characteristics related to hypoxia, mesenchymal transition, angiogenesis, and impaired phagocytosis, and their presence correlates with worse outcomes for patients with glioma.

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Aims Of The Study: This prospective study, conducted with patients from the multidisciplinary post-COVID outpatient clinic at the Pulmonary Division of the Cantonal Hospital Winterthur, aimed to investigate changes in patients' main symptoms, elements that aided in coping with the condition and satisfaction with the consulting and therapeutic interventions.

Methods: After obtaining ethical approval, fifty patients were consecutively included in this longitudinal study, which incorporated three survey times post-consultation: t1 (0-7 days), t2 (4-8 weeks) and t3 (4-6 months). The survey comprised standardised questionnaires, including the Hospital Anxiety and Depression Scale, the Post-COVID-19 Functional Status scale and the Chalder Fatigue scale, along with study-specific questions regarding symptoms and reasons for consulting the post-COVID outpatient clinic.

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Article Synopsis
  • The study introduces a dual-port cell design that helps eliminate pass disturbance in vertical NAND storage by using a special pass gate.
  • It highlights that the unique structure reduces the impact of electric fields during operation, allowing for a "disturb-free" state in NAND strings.
  • The design is compatible with current technology, allowing easy integration into smaller, advanced vertical NAND systems with minimal extra components.
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  • Spine metastases significantly affect cancer care, and a common treatment approach involves surgery followed by stereotactic body radiotherapy (SBRT); the study compares Carbon fiber-reinforced polyetheretherketone (CFR-PEEK) spinal instrumentation with titanium instrumentation in patients undergoing spinal fusion for metastatic disease.
  • A retrospective review of oncology patients from 2012 to 2023 matched 99 CFR-PEEK cases with 50 titanium cases based on tumor type and spinal instability neoplastic score (SINS), analyzing various outcomes including complications and progression-free survival (PFS).
  • Results indicated similar complication rates between CFR-PEEK and titanium groups, but CFR-PEEK patients experienced earlier local recurrence detection; further long-term studies are
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Chronic heart failure (CHF) is one of the most common diseases with a prevalence of 1-2% in adults, disproportionately affecting the elderly. Despite consistent drug therapy, physical activity (PA) is an integral part of current guidelines. Yet adherence to regular PA and exercise interventions is poor and potential predictors and barriers to PA remain elusive.

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Objectives: The chemokine CCL22 is recognized for recruiting immunosuppressive regulatory T-cells (Treg) that contribute to disease progression in various tumor entities helping them to evade the host immune response. Our study aims to identify the expressing cell types and to evaluate the prognostic significance of CCL22 secretion and its association with Treg invasion in endometrial cancer (EC), an immunogenic cancer.

Methods: Specimens from 275 patients with EC and 28 healthy controls were screened immunohistochemically for CCL22.

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Innovation in cancer therapy has increased childhood cancer survival rates. However, survivors are still at risk of developing late effects. In the digital transformation of the health sector, the Survivorship Passport (SurPass) can support long-term follow-up care plans.

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The Survivorship Passport (SurPass) for childhood cancer survivors provides a personalized treatment summary together with a care plan for long-term screening of possible late effects. HL7 FHIR connectivity of Electronic Health Record (EHR) systems with the SurPass has been proposed to reduce the burden of collecting and organizing the relevant information. We present the results of testing and validation efforts conducted across six clinics in Austria, Belgium, Germany, Italy, Lithuania, and Spain.

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Background: Shock-reduction implantable cardioverter-defibrillator programming (SRP) was associated with fewer therapies and improved survival in randomized controlled trials, but real-world studies investigating SRP and associated outcomes are limited.

Methods And Results: The BIOTRONIK CERTITUDE registry was linked with the Medicare database. We included all patients with an implantable cardioverter-defibrillator implanted between August 22, 2012 and September 30, 2021 in the United States.

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Endometrial cancer (EC) is a common gynecological cancer worldwide. Treatment has been improved in recent years; however, in advanced stages, therapeutic options are still limited. The expression of galectins is increased in several tumor types and that they are involved in important cell processes.

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In patients with a reduced left ventricular (LV) systolic function (ejection fraction < 35%) and a left bundle branch block with a QRS duration > 130 ms, cardiac resynchronization therapy (CRT) can contribute to an improvement in the quality of life and a reduction in mortality. The resynchronization is mostly achieved by pacing via an epicardial LV lead in the coronary sinus; however, this approach is often limited by the patient's venous anatomy and an increase in the stimulation threshold over time. In addition, up to 30% of patients do not respond to the intervention.

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During primary varicella zoster virus (VZV) infection, infected lymphocytes drive primary viremia, causing systemic dissemination throughout the host, including the skin. This results in cytokine expression, including interferons (IFNs), which partly limit infection. VZV also spreads from skin keratinocytes to lymphocytes prior to secondary viremia.

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Background: Current standard of care treatment for patients with ≥15 brain metastases (BM) is whole brain radiation therapy (WBRT), despite poor neurocognitive outcomes. We analyzed our institutional experience of treating these patients with stereotactic radiosurgery (SRS), with the aim of evaluating safety, cognitive outcomes, and survival metrics.

Methods: Patients who received SRS for ≥15 BMs in 1 to 5 fractions from 2014 to 2022 were included.

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Purpose Of Review: To review the current management of the axilla in breast cancer.

Recent Findings: Axillary dissection is no longer indicated in patients with clinically node-negative axilla with 1-2 positive sentinel lymph nodes following upfront surgery or in patients with clinically node-negative axilla following neoadjuvant chemotherapy. Breast cancer has evolved away from routine axillary clearance to the less invasive sentinel lymph node biopsy to now complete omission of axillary sampling in select patients.

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Article Synopsis
  • The article examines how adults with intellectual disabilities in the UK used the Internet during the COVID-19 pandemic, based on interviews conducted in early 2021.
  • Participants primarily used the Internet to connect with family and friends, engage in social media, and partake in online activities, with those living with family being the most active on social media.
  • Many viewed social connections as the biggest benefit of Internet use, although some also mentioned challenges like technology issues and online safety concerns.
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Article Synopsis
  • * The main goal was to find connections between data from these devices (like heart rate and activity levels) and participants' subjective sleep quality ratings.
  • * Results showed moderate predictive accuracy (59%), but adjusting the scale's tolerance improved this to 92%, indicating the need for deeper analysis on how wearables and AI can enhance our understanding of sleep behavior.
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