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War-related continuous traumatic stress as a potential mediator of associations between moral distress and professional quality of life in nurses: a cross-sectional study in Ukraine.
BMC Nurs
January 2025
Department of General and Clinical Psychology, Lesya Ukrainka Volyn National University, Lutsk, Ukraine.
Background: At the beginning of 2022, Central Europe entered a state of emergency due to the Russian invasion of Ukraine. Nurses were particularly vulnerable to a decline in their professional quality of life, facing repeated exposure to military trauma, ethical dilemmas, prolonged working hours, and increased stress and fatigue. This study aimed to contribute to our understanding of the potential mediating effect of war-related continuous traumatic stress on the association between moral distress and professional quality of life, including compassion satisfaction and compassion fatigue, represented by burnout and secondary traumatic stress.
View Article and Find Full Text PDFProduction of the Key Immunoregulatory Cytokines and the Content of FoxP3 T-Regulatory Lymphocytes in the Epicardial and Thymus Adipose Tissue in Patients with Coronary Heart Disease.
Bull Exp Biol Med
January 2025
Cardiology Research Institute, Tomsk National Research Medical Center, Russian academy of Sciences, Tomsk, Russia.
FoxP3 T-regulatory (Treg) lymphocytes and cytokine production by cells from the stromal vascular fraction (SVF) of epicardial (EAT) and thymus (TAT) adipose tissue of 42 patients with chronic coronary heart disease (CHD) were studied. In the SVF of TAT in patients with Gensini Score (GS)≥74 (the most severe atherosclerosis), the production of IL-1β, TNF, IL-4, and IFNγ was higher, while FoxP3 translocation into the nucleus was lower than in patients with GS<74. The GS index directly correlated with the production of IL-4, IL-1β, and TNF by cells of the SVF of TAT, and inversely - with the production of TNF, IL-17, and IL-10 by cells of the SVF of EAT.
View Article and Find Full Text PDFChanges in the Levels of Short-Chain Acids and Tryptophan Metabolites in Mouse Intestine during Experimental Colitis.
Bull Exp Biol Med
January 2025
Pirogov Russian National Research Medical University, Ministry of Health of the Russian Federation, Moscow, Russia.
The optimal balance of the intestinal microbiota is considered to be an essential part of the human body that affects many metabolic processes. However, the exact role of the gut microbiota in metabolism is still not fully understood. To investigate the metabolic role of gut microbiota, the content of short-chain fatty acids and tryptophan metabolites was studied in mice with sodium dextran sulfate-induced colitis.
View Article and Find Full Text PDFWe studied the effect of reprogrammed CD8 T cells (rT cells) from the bone marrow of intact mice on tumor cells and neovasculogenesis in mice with orthotopic Lewis lung carcinoma (LLC). Reprogramming of T cells was carried out using a MEK inhibitor and a PD-1 blocker; the targeting of rT cells to tumor cells was achieved by preincubation with LLC cell lysate. It was shown that the antitumor effect of rT cells was based on apoptosis of tumor cells.
View Article and Find Full Text PDFTheoretical and Practical Aspects of the Nonlinear Dynamics' Methods of Heart Rate Variability Analyses in Tachyarrhythmia Patients Underwent Radiofrequency Catheter Ablation.
Cardiovasc Eng Technol
January 2025
Department of Biomedical Engineering, Northwestern University, Chicago, IL, USA.
Purpose: This study explores the use of heart rate variability (HRV) analysis, a noninvasive technique for assessing the autonomic nervous system, by applying nonlinear dynamics and chaos theory to detect chaotic behavior in RR intervals and assess cardiovascular health.
Methods: Employing the "System Analysis of Heart Rate Dynamics" (SADR) program, this research combines chaos analysis with the short-time Fourier transform to assess nonlinear dynamic parameters in HRV. It includes constructing phase portraits in Takens space and calculating measures of chaos to identify deterministic chaos indicators.
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