Publications by authors named "Jahn K"

Background: MAGEL2 is an autism susceptibility gene whose deficiency has been associated with autism-related behaviors in animal models and in syndromic human autism spectrum disorders (ASDs) such as Schaaf-Yang syndrome, but has not been studied in the broader autism spectrum. Given the capabilities of long-read sequencing technologies, this pilot study used a targeted nanopore sequencing approach to simultaneously examine MAGEL2 DNA sequence and methylation in adults with high-functioning autism (HFA) compared to neurotypical controls (NC).

Methods: Using DNA extracted from peripheral blood, Cas9-targeted nanopore DNA sequencing was used to analyze MAGEL2, including its entire regulatory construct (chr15:23639316-23651466), for sequence variation and 5-methyl-cytosine (5mC) modification in a cohort of adults with HFA compared to sex- and age-matched NC.

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  • * A new portable nGVS device has been developed for everyday use, featuring a simple interface and an automatic motion sensor to optimize stimulation based on the user’s activity level.
  • * Initial testing shows the device is safe with only minor side effects and effectively enhances vestibular perception and balance in healthy users, suggesting it could be a practical therapy for daily life.
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Background: Critical illness survivors frequently suffer from long-term impairments, often described as post-intensive care syndrome (PICS). PICS encompasses physical, cognitive, and mental impairments. Additionally, the term intensive care unit (ICU)-acquired weakness (ICUAW) was coined for muscle weakness after critical illness.

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Pain hyperacusis, also known as noxacusis, causes physical pain in response to sounds that do not bother most people. How sound causes excruciating pain that can last for weeks or months is not well understood, resulting in a lack of effective treatments. To gain insight into the underlying mechanisms of the condition, 32 adults attended a virtual focus group to describe their sound-induced pain.

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Background: After a stroke many people experience hemiparesis, resulting in walking difficulties which affects independence, mobility, and participation in activities of daily living. Activating the nociceptive withdrawal reflex (NWR) during gait training aims to support the initiation and facilitation of the swing phase of the paretic leg. The aim of this review is to investigate the orthotic and therapeutic effects of a NWR stimulation intervention to improve gait in patients after a stroke.

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Patients suffering from schizophrenic psychosis show reduced synaptic connectivity compared to healthy individuals, and often, the use of cannabis precedes the onset of schizophrenic psychosis. Therefore, we investigated if different types of cannabinoids impact methylation patterns and expression of schizophrenia candidate genes concerned with the development and preservation of synapses and synaptic function in a SH-SY5Y cell culture model. For this purpose, SH-SY5Y cells were differentiated into a neuron-like cell type as previously described.

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  • This case report highlights the challenges faced in treating a 56-year-old patient with severe silicosis, pneumonia, and complications like hemoptysis and an abscess.
  • The patient underwent multiple surgeries, including a bilobectomy and atypical resections, due to persistent air leaks and infections, illustrating the complexity of management in polymorbid individuals.
  • Ultimately, the successful placement of an endobronchial valve allowed for the resolution of the patient's condition, demonstrating effective collaboration between healthcare specialists.
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Mobile health technologies enable continuous, quantitative assessment of mobility and gait in real-world environments, facilitating early diagnoses of gait disorders, disease progression monitoring, and prediction of adverse events like falls. Traditionally, mobile gait assessment predominantly relied on body-fixed sensors positioned at the feet or lower trunk. Here, we investigate the potential of an algorithm utilizing an ear-worn motion sensor for spatiotemporal segmentation of gait patterns.

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Purpose: Hyperacusis (sound sensitivity) is well documented among adults, but little is known about hyperacusis in children. Here, we assess relationships among the presence of hyperacusis, audiometric profiles, and nonauditory factors in a pediatric clinical population.

Method: A retrospective review of clinical records from 329 children, ages 2-17 years, was performed to assess the prevalence of hyperacusis and correlations among hearing status, behavioral or communication concerns, and the presence of hyperacusis.

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Objective: Cochlear implants (CI) provide users with a spectrally degraded acoustic signal that could impact their auditory emotional experiences. This study evaluated the effects of CI-simulated spectral degradation on emotional valence and arousal elicited by environmental sounds.

Design: Thirty emotionally evocative sounds were filtered through a noise-band vocoder.

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Background:  Platelets prevent extravasation of capillary fluids into the pulmonary interstitial tissue by sealing gaps in inflamed endothelium. This reduces respiratory distress associated with pneumonia. is the leading cause of severe community-acquired pneumonia.

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Introduction: Despite many technological advances, the diagnostic yield of bronchoscopic peripheral lung nodule analysis remains limited due to frequent mispositioning. Needle-based confocal laser endomicroscopy (nCLE) enables real-time microscopic feedback on needle positioning, potentially improving the sampling location and diagnostic yield. Previous studies have defined and validated nCLE criteria for malignancy, airway and lung parenchyma.

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Pain hyperacusis, also known as noxacusis, causes physical pain in response to everyday sounds that do not bother most people. How sound causes excruciating pain that can last for weeks or months in otherwise healthy individuals is not well understood, resulting in a lack of effective treatments. To address this gap, we identified the most salient physical and psychosocial consequences of debilitating sound-induced pain and reviewed the interventions that sufferers have sought for pain relief to gain insights into the underlying mechanisms of the condition.

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Background And Purpose: Functional recovery after stroke is often limited, despite various treatment methods such as robot-assisted therapy. Repetitive sensory stimulation (RSS) might be a promising add-on therapy that is thought to directly drive plasticity processes. First positive effects on sensorimotor function have been shown.

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Postural instability is a common complication in advanced Parkinson's disease (PD) associated with recurrent falls and fall-related injuries. The test of retropulsion, consisting of a rapid balance perturbation by a pull in the backward direction, is regarded as the gold standard for evaluating postural instability in PD and is a key component of the neurological examination and clinical rating in PD (e.g.

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Critical illness survivors commonly face impairments, such as intensive care unit-acquired weakness (ICUAW) which is characterized by muscle weakness and sensory deficits. Despite these symptoms indicating potential balance deficits, systematic investigations and validated assessments are lacking. Therefore, we aimed to assess balance function using the Mini-BESTest, evaluate its psychometric properties, and identify associated variables.

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  • Many stroke patients struggle with upper limb use, with 55%-75% experiencing lasting weakness even after treatment, leading to the development of assistive devices.
  • A study involving 17 stroke patients tested Functional Electrical Stimulation (FES) for its ability to enhance object manipulation during daily tasks, using a randomized design to assess performance with and without FES assistance.
  • Results showed FES did not significantly improve overall performance, but it was particularly beneficial for severely impaired patients in manipulating grasp-related objects, while motivation levels remained consistently high regardless of FES use.
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Introduction: Critical illness polyneuropathy and myopathy (CIP/CIM) are frequent complications in the intensive care unit (ICU) with major consequences for the progress and outcome of subjects. CIP/CIM delays the weaning process, prolongs the hospital stay and increases the mortality rate. Additionally, it may have long-term consequences beyond the hospitalisation phase with prolonged disability.

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Cryobiopsies for the differentiation of interstitial pneumopathies Abstract: Definitive diagnosis of interstitial pneumopathy is often difficult. In order to establish antifibrotic therapy, it is necessary to narrow down the aetiology and, in up to 40% of cases, obtain histological confirmation. The establishment of the endoscopic method of cryobiopsy achieves a diagnostic yield of 76-80% with significantly fewer complications compared to surgical lung biopsy.

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Background: The Comprehensive Geriatric Assessment (CGA) records geriatric syndromes in a standardized manner, allowing individualized treatment tailored to the patient's needs and resources. Its use has shown a beneficial effect on the functional outcome and survival of geriatric patients. A recently published German S1 guideline for level 2 CGA provides recommendations for the use of a broad variety of different assessment instruments for each geriatric syndrome.

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  • Acute myeloid leukemia (AML) is characterized by a complex mix of mutations and generally has a poor prognosis, making understanding the sequence of these mutations important for clinical outcomes.
  • Researchers analyzed single-cell DNA sequencing data from 207 AML patients to investigate how the order of mutations impacted patient features and disease outcomes, revealing that mutations linked to DNA methylation typically occurred before those related to cell signaling.
  • Though some mutation orderings indicated worse prognosis, it was primarily the presence of specific unfavorable mutations that contributed to prognosis, rather than the order itself, highlighting the complex nature of AML's mutation landscape.
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Background And Purpose: In amyotrophic lateral sclerosis (ALS), there is an unmet need for more precise patient characterization through quantitative, ideally operator-independent, assessments of disease extent and severity. Radially sampled averaged magnetization inversion recovery acquisitions (rAMIRA) magnetic resonance imaging enables gray matter (GM) and white matter (WM) area quantitation in the cervical and thoracic spinal cord (SC) with optimized contrast. We aimed to investigate rAMIRA-derived SC GM and SC WM areas and their association with clinical phenotype and disability in ALS.

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Background: Since the first report of fatal Borna virus-1 (BoDV-1) encephalitis in 2018, cases gradually increased. There is a lack of diagnostic algorithm, and there is no effective treatment so far.

Case Presentation: We report an acute BoDV-1 encephalitis in a 77-year-old female with flu-like onset, rapid progression to word-finding difficulties, personality changes, global disorientation, diffuse cognitive slowness, and gait ataxia and further deterioration with fever, meningism, severe hyponatremia, epileptic seizures, cognitive decline, and focal cortical and cerebellar symptoms/signs.

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The term chronic critical illness describes patients suffering from persistent organ dysfunction and prolonged mechanical ventilation. In severe cases, COVID-19 led to chronic critical illness. As this population was hardly investigated, we evaluated the health-related quality of life, physical, and mental health of chronically critically ill COVID-19 patients.

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Severe acute COVID-19 infections requiring intensive care treatment are reported risk factors for the development of post-COVID-19 conditions. However, there are also individuals suffering from post-COVID-19 symptoms after mild infections. Therefore, we aimed to describe and compare the health status of patients who were initially not hospitalized and patients after critical illness due to COVID-19.

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