10,632 results match your criteria: "Poznan University of Medical[Affiliation]"

Objective: To evaluate the performance (i.e., agreement between set and measured parameters) and safety (adverse events, device malfunctions, and ventilator alarms) of the fabian HFOi neonatal ventilator in volume guaranteed (VG) mode during conventional ventilation.

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The rapid advancement of artificial intelligence (AI) in healthcare has the potential to revolutionize the global healthcare sector and medicine in general. However, integrating AI technologies in healthcare requires access to large amounts of personal health-related data (HRD), which raises concerns regarding confidential personal information considering unregulated and not transparent data ownership. Setting up the patient's welfare as an unquestionable principle, this commentary explores the various ethical aspects of using HRD in AI applications, focusing on informed consent, data ownership, data sharing, financial considerations, accountability, and ethical standards.

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Despite a higher safety profile compared to vitamin K antagonists, rivaroxaban therapy is still connected with multiple adverse effects, such as a high risk of bleeding. Thus, therapeutic drug monitoring (TDM) of rivaroxaban concentrations is suggested. An alternative to plasma samples can be dried blood spots (DBS), which minimize the cost of sample storage and transport.

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Fennel Seed Biochar: A Sustainable Approach for Methylene Blue Removal from Aqueous Solutions.

Materials (Basel)

September 2024

Department of Applied Chemistry, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614 Poznan, Poland.

In this study, biochars were produced from by-products of the herbal industry, specifically fennel seeds (), through direct activation by carbon dioxide at two different temperatures. The biochar samples were comprehensively analysed. Additionally, adsorption studies were conducted for methylene blue.

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Article Synopsis
  • The study investigates how free amino acid (PFAA) levels in the blood change during different training phases of high-performance sprinters over a six-month cycle.
  • Significant decreases in resting levels of certain amino acids like glutamine and histidine were noted between the transition to competition phases, while levels of β-alanine and sarcosine increased.
  • Overall, the findings suggest that speed-power training impacts PFAA concentrations, which could be useful in monitoring athlete training status and performance.
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: Multiple risk factors for coronary artery disease have been identified without answering one of the leading questions related to the extent of the involvement of the epicardial arteries. Trace elements are involved in various stages of atherosclerotic lesion formation and may play a significant role in the advancement of coronary artery disease. : A total of 157 (92 (59%) men and 65 (41%) women) patients with a median age of 71 (65-75) years presenting with chronic coronary syndrome were enrolled in the prospective single-center analysis.

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How to Avoid Becoming a Risk Factor of Fecal Incontinence Due to OASIS-A Narrative Review.

J Clin Med

August 2024

Department of General, Colorectal and Oncologic Surgery, Poznan University of Medical Sciences, 61-701 Poznań, Poland.

Third- and fourth-degree anal sphincter injuries are among the most severe traumas women can experience during childbirth, often leading to lifelong continence issues. Despite extensive research, current repair techniques are often inadequate, failing to provide long-term efficiency. The repair of OASIS tends to worsen with time as fecal or anal incontinence increases.

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In end-stage heart failure, which is characterized by persistent or progressive ventricular dysfunction despite optimal medical therapy, a left ventricular assist device (LVAD) can be beneficial. Congestive heart failure provokes inflammatory and prothrombotic activation. The aim of this study was to evaluate the serum concentration of citrullinated histone 3 (CH3) representing neutrophil extracellular trap (NET) formation in patients referred for LVAD implantation.

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Inflammatory bowel disease (IBD) is an incurable, chronic disorder of the gastrointestinal tract whose incidence increases every year. Scientific research constantly delivers new information about the disease and its multivariate, complex etiology. Nevertheless, full discovery and understanding of the complete mechanism of IBD pathogenesis still pose a significant challenge to today's science.

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The pursuit of novel or modified substances based on a natural origin, like flavonoids, is essential in addressing the increasing number of diseases and bacterial resistance to antibiotics, as well as in maintaining intestinal balance and enhancing overall gut health. The primary goal of this research was to evaluate the impact of specific flavonoid compounds-chalcones, flavanones, and flavones-substituted with -Br, -Cl, -CH, and -NO on both pathogenic and probiotic microorganisms. Additionally, this study aimed to understand these compounds' influence on standardized normal and pathologically altered intestinal microbiomes.

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Massage therapy increases muscle blood flow and heat, relieving pain, improving immune function, and increasing vagal activity. The mechanisms are unclear. Muscles release cytokines and other peptides called myokines.

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Patients with cyanosis secondary to congenital heart disease (CHD) are characterized by erythrocytosis and increased blood viscosity, which contribute to endothelial dysfunction, increased arterial stiffness, and impaired vascular function, which may affect the final clinical presentation. Asymmetric dimethylarginine (ADMA) and e-selectin (e-sel) are valuable biomarkers for endothelial and vascular dysfunction. Their concentration levels in blood serum have the potential to be an accessible tool that reflects the severity of the disease.

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Spatial transcriptomics (ST) examines gene expression within its spatial context on tissue, linking morphology and function. Advances in ST resolution and throughput have led to an increase in scientific interest, notably in cancer research. This scoping study reviews the challenges and practical applications of ST, summarizing current methods, trends, and data analysis techniques for ST in neoplasm research.

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The study aimed to determine whether self-efficacy acts as a moderator between the severity of menopausal symptoms and life satisfaction. The research tools were: The Generalized Self-Efficacy Scale (GSES), The Satisfaction with Life Scale (SWLS) The Menopause - Specific Quality of Life (MENQOL), and a standardized questionnaire comprising questions on the participants' characteristics. 516 women using health care services who had menopausal symptoms took part in the study.

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Metabolic dysfunction-associated steatotic liver disease (MASLD) has been proposed as a new name for the previous non-alcoholic fatty liver disease (NAFLD). There are some differences between MASLD and NAFLD, e.g.

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This study aimed to explore oncological doctor-patients experiences concerning the neoplastic disease. The study involved 20 Polish doctors with cancer. Respondents answered open questions related to cancer management and opinions about themselves as oncological patients.

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Background: It is unclear whether targeted monitoring of acute adrenal insufficiency (AI) related adverse events (AE) such as sick day episodes (SDEs) and hospitalization rate in congenital adrenal hyperplasia (CAH) is associated with a change in the occurrence of these events.

Aim: Study temporal trends of AI related AE in the I-CAH Registry.

Methods: In 2022, data on the occurrence of AI-related AE in children aged <18 years with 21-hydroxylase deficiency CAH were compared to data collected in 2019.

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The intricate development and physiological dynamics of the mammary glands, orchestrated by a delicate interplay of hormones, are crucial for reproductive function and lactation. Beginning with intrauterine clusters evolving into mature glands, hormonal fluctuations throughout puberty and the menstrual cycle finely tune mammary tissue growth. Oestrogens stimulate the proliferation of epithelial cells, while progesterone orchestrates the formation of lactiferous glands.

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Background: Tigecycline is widely used to treat infections in intensive care units. Drugs often need to be delivered to critically ill patients feeding by parenteral nutrition (PN). Before two preparations are administered in the same infusion line, the safety of this combination should be established.

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Infrared spectral profiling of demyelinating activity in multiple sclerosis brain tissue.

Acta Neuropathol Commun

September 2024

Department of Neurology, Frank and Charmaine Denius Dean's Chair in Medical Leadership, Dean of Dell Medical School, Senior Vice President Medical Affairs, University of Texas at Austin, Austin, TX, 78712, USA.

Multiple sclerosis (MS) is a leading cause of non-traumatic disability in young adults. The highly dynamic nature of MS lesions has made them difficult to study using traditional histopathology due to the specificity of current stains. This requires numerous stains to track and study demyelinating activity in MS.

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Advances and perspectives in use of semisolid formulations for photodynamic methods.

Eur J Pharm Biopharm

November 2024

Chair and Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Rokietnicka 3, 60-806 Poznan, Poland.

Although nearly 30 years have passed since the introduction of the first clinically approved photosensitizer for photodynamic therapy, progress in developing new pharmaceutical formulations remains unsatisfactory. This review highlights that despite years of research, many recurring challenges and issues remain unresolved. The paper includes an analysis of selected essential studies involving aminolevulinic acid and its derivatives, as well as other photosensitizers with potential for development as medical products.

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Three new dihydroflavonols, gloverinols A-C (-), a new flavon-3-ol, gloverinol D (), two new isoflavans, gloveriflavan A () and B (), and seven known compounds were isolated from the root bark of . The structures of the isolates were elucidated by using NMR, ECD, and HRESIMS data analyses. Among the isolated compounds, gloverinol B (), gloveriflavan B (), and 1-(2,4-dihydroxyphenyl)-3-hydroxy-3-(4-hydroxyphenyl)-1-propanone () were the most active against , with MIC values of 9.

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Article Synopsis
  • Alzheimer's disease (AD) causes significant cognitive decline and higher health risks in older adults, with mitochondrial dysfunction being a key contributor.
  • Mitochondrial issues include problems with energy metabolism, calcium regulation, and cellular damage, which are linked to several complex mechanisms in AD pathology.
  • While lecanemab is currently the only FDA-approved drug for AD, various therapies targeting mitochondrial dysfunction are explored, including antioxidants, nutritional supplements, and lifestyle changes like exercise.
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Optimizing miRNA transfection for screening in precision cut lung slices.

Am J Physiol Lung Cell Mol Physiol

November 2024

Lung Bioengineering and Regeneration, Department of Experimental Medical Sciences, Faculty of Medicine, Lund University, Lund, Sweden.

Precision cut lung slices (PCLS) are complex three-dimensional (3-D) lung tissue models, which preserve the native microenvironment, including cell diversity and cell-matrix interactions. They are an innovative ex vivo platform that allows studying disease as well as the effects of therapeutic agents or regulatory molecules [e.g.

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