90,437 results match your criteria: "Charité University Medical School[Affiliation]"

Atherosclerosis (AS) is a major cause of cardiovascular disease. In particular, the unpredictable rupture of vulnerable atherosclerotic plaques (VASPs) can cause serious cardiovascular events such as myocardial infarction, stroke, and even sudden death. Therefore, early evaluation of the vulnerability of atherosclerotic plaques is of great importance.

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Liver tissue engineering offers potential in liver transplantation, while the development of hydrogels for scalable scaffolds incorporating natural components and effective functionalities is ongoing. Here, we propose a novel microfluidic 3D printing hydrogel derived from decellularized fish liver extracellular matrix for liver regeneration. By decellularizing fish liver and combining it with gelatin methacryloyl, the hydrogel scaffold retains essential endogenous growth factors such as collagen and glycosaminoglycans.

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Prevalence of functional defecation disorders in European children: A systematic review and meta-analysis.

J Pediatr Gastroenterol Nutr

January 2025

Department of Pediatric Gastroenterology and Nutrition, Emma Children's Hospital, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands.

Objectives: Functional defecation disorders (FDDs) are common among children worldwide. The prevalence of these disorders has not been clearly described in Europe. This study performed a systematic review and meta-analysis on the prevalence of FDD in European children and assessed geographical, age, and sex distribution and associated factors.

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The hepatic clock synergizes with HIF-1α to regulate nucleotide availability during liver damage repair.

Nat Metab

January 2025

State Key Laboratory of Natural Medicines, School of Life Science and Technology, China Pharmaceutical University, Nanjing, China.

Nucleotide availability is crucial for DNA replication and repair; however, the coordinating mechanisms in vivo remain unclear. Here, we show that the circadian clock in the liver controls the activity of the pentose phosphate pathway (PPP) to support de novo nucleotide biosynthesis for DNA synthesis demands. We demonstrate that disrupting the hepatic clock by genetic manipulation or mistimed feeding impairs PPP activity in male mice, leading to nucleotide imbalance.

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Background/aim: Psoriasis and Hidradenitis Suppurativa (HS) are chronic inflammatory skin conditions that significantly impact quality of life, sleep, and increase morbidity. This study aims to compare sleep quality and the risk of obstructive sleep apnea (OSA) in patients with these conditions. Additionally, it explores the relationships between sleep disorders, demographic factors, disease severity, and inflammatory markers.

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Artificial intelligence (AI) is being increasingly applied in healthcare to improve patient care and clinical outcomes. We previously developed an AI model using ICD-10 (International Classification of Diseases, Tenth Revision) codes with other clinical variables to predict in-hospital mortality among trauma patients from a nationwide database. This study aimed to externally validate the performance of the AI model.

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Laennec approach for anatomical liver resection assisted by laparoscopy or robotics: a multicenter cohort study.

Int J Surg

January 2025

Division of Hepatobiliary and Transplantation Surgery, Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China.

Introduction: Laennec's capsule serves as a critical anatomical landmark in anatomical liver resection. Despite its potential, a lack of large-scale prospective studies limits the widespread use of the Laennec approach for minimally invasive hepatectomy. This multicenter cohort study aimed to compare the outcomes of the traditional and Laennec approaches in minimally invasive anatomical hepatectomy across multiple centers in China.

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Size Matters: A Comparative Study on Midday Fogging and Lens Settling in Patients With Keratoconus Wearing Mini-Scleral Lenses With Two Different Diameters.

Eye Contact Lens

November 2024

Department of Ophthalmology (E.B.V.), Kocaeli Kandıra M. Kazım Dinç State Hospital, Kocaeli, Turkey; Department of Ophthalmology (S.A.T.), Marmara University Medical School, Istanbul, Turkey; and Department of Ophthalmology and Visual Sciences (A.E.T.), West Virginia University Eye Institute, Morgantown, WV.

Purpose: The objective of this study was to compare the changes in postlens fluid optical density, timing and quantity of lens settling, and the clinical performance between two different mini-scleral lenses.

Methods: Seventeen eyes of 10 patients with keratoconus were fitted with a 15-mm mini-scleral lens (AirKone Scleral Lenses; Laboratoire LCS, Normandy, France), and 15 eyes of 10 patients with keratoconus were fitted with 16.5-mm mini-scleral lenses (Misa Lenses; Microlens Contactlens Technology, Arnhem, The Netherlands).

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Purpose: We have established the SAIL MELD-B electronic cohort (e-cohort SMC) and the SAIL MELD-B children and Young adults e-cohort (SMYC) as a part of the Multidisciplinary Ecosystem to study Lifecourse Determinants and Prevention of Early-onset Burdensome Multimorbidity (MELD-B) project. Each cohort has been created to investigate and develop a deeper understanding of the lived experience of the 'burdensomeness' of multimorbidity by identifying new clusters of burdensomeness concepts, exploring early life risk factors of multimorbidity and modelling hypothetical prevention scenarios.

Participants: The SMC and SMYC are longitudinal e-cohorts created from routinely collected individual-level population-scale anonymised data sources available within the Secure Anonymised Information Linkage (SAIL) Databank.

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Background: This study evaluated the impact of 2015/2016 prescribing guidance on antidepressant prescribing choices in children.

Methods: A retrospective e-cohort study of whole population routine electronic healthcare records was conducted. Poisson regression was undertaken to explore trends over time for depression, antidepressant prescribing, indications and secondary care contacts.

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Background: Dystonia is a common neurological hyperkinetic movement disorder that can be caused by mutations in anoctamin 3 (ANO3, TMEM16C), a phospholipid scramblase and ion channel. We previously reported patients that were heterozygous for the ANO3 variants S651N, V561L, A599D and S651N, which cause dystonia by unknown mechanisms.

Methods: We applied electrophysiology, Ca measurements and cell biological methods to analyze the molecular mechanisms that lead to aberrant intracellular Ca signals and defective activation of K channels in patients heterozygous for the ANO3 variants.

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Listeriosis is a rare, life-threatening bacterial infection. Prompt, appropriate antibiotic treatment is essential to save lives. We aimed to investigate antibiotic selection and listeriosis knowledge among health care providers.

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Giant ovarian cysts (GOCs) have become less common in developed countries due to routine health screenings, but they remain prevalent in economically underdeveloped regions. Treatment options for GOCs depend on factors such as age, cyst characteristics, and pregnancy status. Minimally invasive single-port laparoscopic surgery has largely replaced traditional open surgery due to its aesthetic advantages and effectiveness.

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Severe fever with thrombocytopenia syndrome (SFTS) is an acute febrile illness caused by the SFTS virus (SFTSV). We conducted this study to propose a scientific evidence-based treatment that can improve prognosis through changes in viral load and inflammatory cytokines according to the specific treatment of SFTS patients. This prospective and observational study was conducted at 14 tertiary referral hospitals, which are located in SFTS endemic areas in Korea, from 1 May 2018 to 31 October 2020.

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Image Synthesis in Nuclear Medicine Imaging with Deep Learning: A Review.

Sensors (Basel)

December 2024

Department of Artificial Intelligence Convergence, Chonnam National University, Gwangju 61186, Jeollanam-do, Republic of Korea.

Nuclear medicine imaging (NMI) is essential for the diagnosis and sensing of various diseases; however, challenges persist regarding image quality and accessibility during NMI-based treatment. This paper reviews the use of deep learning methods for generating synthetic nuclear medicine images, aimed at improving the interpretability and utility of nuclear medicine protocols. We discuss advanced image generation algorithms designed to recover details from low-dose scans, uncover information hidden by specific radiopharmaceutical properties, and enhance the sensing of physiological processes.

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The risk factors and outcomes associated with persistent bacteremia are not well-defined. This retrospective cohort study analyzed 214 cases of bacteremia diagnosed between 2005 and 2022 at two university hospitals, focusing on the clinical and microbiologic characteristics and outcomes of persistent bacteremia. Persistent bacteremia, defined as the detection of for ≥5 days after the initial blood culture, occurred in 25.

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Berbamine Promotes the Repair of Lower Limb Muscle Damage in Chronic Limb-Threatening Ischemia by Inhibiting Local Inflammation and NF-κB Nuclear Translocation.

Pharmaceuticals (Basel)

November 2024

Department of Vascular Surgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Zhongshan Road 321, Nanjing 210008, China.

: Chronic Limb-Threatening Ischemia (CLTI) is a chronic limb ischemic disease caused by vascular lesions, characterized by pain, ulcers, and gangrene, which can be life-threatening in severe cases. The objective of this study is to explore whether Berbamine (BBM) can protect against and repair ischemic muscle tissue in the lower limbs; : Using a mouse hindlimb ischemia (HLI) model, 36 C57BL6 mice were divided into sham, HLI, and HLI+BBM treatment groups. : Our findings indicate that BBM can restore motor function and muscle tissue pathology in mice, potentially by inhibiting the nuclear translocation of nuclear factor kappa-B (NF-κB), thereby alleviating tissue inflammation caused by chronic ischemia, reducing muscle cell apoptosis, inhibiting M1 macrophage polarization, and promoting angiogenesis.

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Calcium deposition in vascular smooth muscle cells (VSMCs), a form of ectopic ossification in blood vessels, can result in rigidity of the vasculature and an increase in cardiac events. Here, we report that CCAAT/enhancer-binding protein beta (C/EBPβ) potentiates calcium deposition in VSMCs and mouse aorta induced by inorganic phosphate (Pi) or vitamin D. Based on cDNA microarray and RNA sequencing data of Pi-treated rat VSMCs, C/EBPβ was found to be upregulated and thus selected for further evaluation.

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: Fever in patients who have suffered an out-of-hospital cardiac arrest (OHCA) has been linked to poor clinical outcomes, as a fever can exacerbate neurological damage, increase metabolic demands, and trigger inflammatory responses. This study evaluates the impact of the COVID-19 outbreak and associated fevers on OHCA outcomes and examines how they can worsen patient prognosis. : Our retrospective observational analysis used data from the National Emergency Department Information System (NEDIS), comprising adult OHCA patients at 402 EDs in Korea between 27 January and 31 December 2020 (COVID-19 pandemic period) and the corresponding period in 2019 (pre-COVID-19).

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Prevalence of Vancomycin-Variable Enterococci from the Bloodstream in the Korea Global Antibiotic Resistance Surveillance System, 2017-2022.

Antibiotics (Basel)

December 2024

Division of Antimicrobial Resistance Research, National Institute of Health, Korea Disease Control and Prevention Agency, Cheongju-si 28159, Republic of Korea.

Vancomycin-variable enterococci (VVE), though genetically containing genes, are phenotypically sensitive to vancomycin. If VVE is undetected or does not grow on the vancomycin-resistant enterococci (VRE) selection medium, or both, it can acquire resistance upon exposure to vancomycin. This characteristic is clinically important for the treatment and prevention of VRE.

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Background: EphA2, a receptor-type tyrosine kinase, is overexpressed in several cancers, including colorectal cancer (CRC), and can be detected as soluble EphA2 in serum. This study aimed to investigate the relationship between soluble EphA2 and CRC.

Methods: Serum samples were collected from 65 patients with CRC and 19 healthy individuals.

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Radiofrequency ablation (RFA) is an important local treatment for hepatocellular carcinoma (HCC). This study aimed to evaluate the characteristics of tumor recurrence after RFA and analyze predictors of tumor recurrence and survival in patients with HCC. We retrospectively reviewed data from treatment-naïve patients with HCC who underwent RFA for HCC treatment between 2008 and 2017 at four tertiary hospitals in South Korea.

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Background: A phthalimide-functionalized heptamethine cyanine dye, named Ph790H, is used for targeted photothermal cancer therapy in vivo. We highlight that the chemical structure of Ph790H is newly designed and synthesized for the first time in this study.

Objectives: By possessing a rigid chloro-cyclohexenyl ring in the heptamethine cyanine backbone, the bifunctional near-infrared (NIR) fluorescent dye Ph790H can be preferentially accumulated in tumor without the need for additional targeting ligands, which is defined as the "structure-inherent tumor targeting" concept.

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