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  • Expression of programmed cell death Ligand 1 and mismatch repair status in ovarian carcinomas

    Hariprasad, M.; Rao, M.; Elhence, P.A.; Bharti, J.N.; Singh, P.; Yadav, G.; Nalwa, A.; Ramalingam, H.; Goel, A. D. (2025-07)
    Background: Ovarian carcinoma is the third most common gynecological malignancy among women in India, with a poor prognosis despite advancements in treatment modalities. Immunotherapy, particularly the use of programd cell death ligand 1 (PD-L1) checkpoint inhibitors, has emerged as a promising approach. This study investigates the relationship between PD-L1 expression, mismatch repair (MMR) status, and clinicopathological features in epithelial ovarian carcinoma (EOC). Materials and Methods: A cohort of 50 EOC cases was analyzed for PD-L1 expression in tumor cells and tumor-infiltrating lymphocytes (TILs) using immunohistochemistry (IHC). MMR status was also assessed through IHC. Statistical correlations between PD-L1 expression, MMR deficiency (dMMR), and clinicopathological parameters were evaluated. Results: PD-L1 expression in tumor cells and TILs was observed in 20% and 14% of cases, respectively. PD-L1 expression in tumor cells was absent in most advanced-stage tumors (stages III and IV) and cases with extraovarian spread. dMMR was identified in 30% (n = 15) of cases, predominantly in higher-stage tumors with extraovarian spread and significant TIL presence (P = 0.007). However, PD-L1 expression in tumor cells and TILs was absent in 86.7% and 80% of dMMR cases, respectively. No significant association was found between dMMR status and PD-L1 expression in EOC. Conclusion: PD-L1 expression in tumor cells is predominantly observed in early-stage EOC, suggesting its potential as a prognostic marker and therapeutic target. Although dMMR status correlates with advanced-stage disease and TIL presence, it does not significantly influence PD-L1 expression in EOC. These findings highlight the importance of routinely assessing PD-L1 and MMR status to guide immunotherapeutic strategies in ovarian carcinoma.
  • The activity of Protectin DX, 17 HDHA and Leukotriene B4 is correlated with Interleukin-1beta (IL-1beta) and Interleukin-1 Receptor Antagonist (IL-1Ra) in the early subacute phase of stroke

    Kotlęga, Dariusz; Drozd, Arleta; Zembron-Lacny, Agnieszka; Morawin, Barbara; Ryterska, Karina; Szczuko, Malgorzata (2025)
    Ischemic stroke is a leading cause of mortality and disability in adults. The inflammatory cascade is driven by various inflammatory molecules, such as interleukin-1β (IL-1β), and counteracted by its antagonist, interleukin-1 receptor antagonist (IL-1Ra). Eicosanoids are inflammatory derivatives of free fatty acids. Arachidonic acid (AA) derivatives exhibit pro-inflammatory activity, while eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) derivatives, known as specialized pro-resolving mediators, have anti-inflammatory properties. This study aimed to analyze potential associations between eicosanoids and key inflammatory molecules, including IL-1β and its antagonist IL-1Ra. In this prospective study, we investigated inflammatory molecules in 73 ischemic stroke patients. We analyzed interactions between IL-1β, IL-1Ra, and eicosanoids as follows: resolvin E1, prostaglandin E2, resolvin D1, lipoxin A4 (5S, 6R, 15R), protectin DX, maresin 1, leukotriene B4, 18RS-HEPE, 13S-HODE, 9S-HODE, 15S-HETE, 17 HDHA, 12S-HETE, 5-oxo-ETE, and 5-HETE. In 73 ischemic stroke patients, mean IL-1β was 1.31 ± 1.54 pg/mL and IL-1Ra 810.8 ± 691.0 pg/mL. Spearman correlations showed positive associations between IL-1β and protectin DX (ρ = 0.56, p < 0.001), and 17 HDHA (ρ = 0.26, p < 0.05) and 5-oxo-ETE (ρ = 0.27, p < 0.05). IL-1Ra correlated negatively with protectin DX (ρ = −0.58, p < 0.001) and 17 HDHA (ρ = −0.29, p < 0.05), and positively with leukotriene B4 (ρ = 0.34, p < 0.005). After multivariable adjustment, associations with IL-1β lost statistical significance, whereas the inverse relationships between IL-1Ra and protectin DX/17 HDHA remained significant (p < 0.005). Despite the known anti-inflammatory roles of protectin DX and 17 HDHA, and the pro-inflammatory role of leukotriene B4, their activity in the early subacute phase of ischemic stroke appears to be influenced by complex interplays, possibly mediated by IL-1β and IL-1Ra. The activity of protectin DX, 17 HDHA, and leukotriene B4 is correlated with IL-1β and IL-1Ra levels in the early subacute phase of stroke.
  • Use of End-of-Life care pathways in hospitalized stroke patients: a retrospective study of the AMBER care and dying adults in the last days of life approaches

    Kotlęga, Dariusz (2025)
    Background: Stroke-related deaths often follow rapid deterioration, making end-of-life (EOL) care decisions particularly challenging in acute settings. Although national guidelines support structured approaches to end-of-life care, there is limited evidence of how these pathways are applied in routine stroke practice. Objective: To evaluate the use of structured end-of-life care pathways, including the AMBER Care Bundle and Dying Adults in the Last Days of Life (DALDL), in stroke patients who died during admission at a general hospital stroke center. Methods: This retrospective, single-center cohort study included 123 patients with confirmed stroke (73.2% ischemic, 26.8% hemorrhagic) who died in hospital during 2023. Clinical characteristics, the timing of care pathway decisions, palliative care involvement, withdrawing of medical procedures, and outcomes were analyzed. Descriptive statistics, Mann–Whitney U tests, Spearman correlations, chi-square tests, and a multivariate regression model were performed. Results: Of 123 patients, 101 (82.1%) entered the DALDL pathway a median of 14.8 days after admission, with a subsequent median survival of 2.9 days. Anticipatory medications were prescribed in 100% of DALDL patients versus 0% of non-DALDL. Do Not Attempt Cardiopulmonary Resuscitation orders were documented in 99%, and 67.3% received specialist palliative care input. Nasogastric tube insertion correlated with a higher National Institutes of Health Stroke Scale (NIHSS) and higher rate of infections. Conclusions: Most patients had access to structured EOL care, but variability in timing and interventions highlights the need for earlier palliative engagement and consistent implementation of pathways to improve the quality of EOL care in stroke patients. We detected areas that could be improved, such as access to a palliative care team and the anticipatory medication use in dying stroke patients.
  • Estimates of radiation dose to National Health Service workers in Northamptonshire from raised radon levels

    Denman, A.R; Parkinson, S (1996-01-01)
    Extensive surveys of the radon levels in hospital premises in Northamptonshire have shown that raised radon levels are present, but are localized to areas as small as a single office. Around 9% of sites are above the workplace action limit, and 1% of sites are over 1000 Bq m−3. In addition, radon levels vary throughout the day, and are usually higher at night. Staff in these areas could receive significant doses, and staff working shifts or at night could be at greater risk. Attempts to estimate staff dose using two methods are reported. It is concluded that, even though only a sample of the radon hot-spots was chosen, the radiation dose received by these staff is greater than the occupational exposure of radiographers, radiologists and other health workers.
  • Assessing the knowledge, attitudes and practices of healthcare staff and students regarding disposal of unwanted medications: a systematic review

    Lam, Janeme (2024-12-23)
    OBJECTIVES: We sought to review studies that examine healthcare professionals' and students' knowledge, attitudes and practices (KAP) regarding medication disposal. We also explore recommendations and barriers related to appropriate medication disposal., DESIGN: A systematic review was conducted that adhered to Preferred Reporting Items for Systematic Reviews and Meta-Analyses., DATA SOURCES: MEDLINE, Embase, CINAHL, Web of Science, PsycINFO and Google Scholar were searched up to 23 February 2024., STUDY ELIGIBILITY CRITERIA AND SETTING: Qualitative, quantitative and mixed-method primary research studies. There was no limitation on the publication date, geographical locations or the study settings., PARTICIPANTS: Pharmacists, doctors, nurses and students from these respective professional groups in any country., PRIMARY OUTCOME MEASURES: The levels of healthcare staff and students' KAPs about disposal of unwanted medications., DATE EXTRACTION AND SYNTHESIS: Data extraction was conducted by four of the researchers independently. The study details were categorised into three main domains, that is, KAP using the KAP model. Other relevant information was also extracted, and synthesised in overall themes, such as challenges and recommendations., RESULTS: Thirty-seven studies from 18 countries (Asia n=21, the USA n=7, Africa n=5, EU n=2, South America n=2) were included. 86.5% (n=32) investigated participants' knowledge of medication disposal. Although there was a good level of awareness about the environmental impacts, there were significant gaps in knowledge regarding correct disposal methods, available services, guidelines and training. Thirty studies explored participants' attitudes towards medication disposal. There was a generally positive attitude towards the need for environmentally safe disposal practices. Thirty-five studies evaluated participants' practices in relation to medication disposal. Although there was generally a positive attitude and some understanding of appropriate disposal methods, the majority of the participants did not follow the practice guidelines, especially outside healthcare settings., DISCUSSIONS AND CONCLUSIONS: Although healthcare staff and students have fair knowledge and positive attitudes towards medicine disposal, their actual practices are lacking. One significant challenge identified is the limited awareness about proper disposal methods coupled with a lack of established services or guidelines. Even in cases where take-back programmes are available, they often face issues with accessibility. To tackle these challenges, it is suggested that governmental bodies should establish and enforce clear policies on medication disposal while also expanding educational initiatives to increase understanding among professionals and students. Furthermore, improving access to take-back programmes is crucial for ensuring safe medication disposal and minimising potential environmental and health hazards., PROSPERO REGISTRATION NUMBER: CRD42024503162. Copyright ┬® Author(s) (or their employer(s)) 2024. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ Group.
  • Case of the month from Northampton General Hospital, Northampton, UK: renal accessory spleen

    Oyebola, T; Shetty, A; Bochinski, A; Onicha, A; Sudhakar, V; Tanabalan, C; Swallow, T (2025)
  • Early childhood development strategy for the world’s children with disabilities

    Williams, Andrew N. (2024)
    Early childhood is foundational for optimal and inclusive lifelong learning, health and well-being. Young children with disabilities face substantial risks of sub-optimal early childhood development (ECD), requiring targeted support to ensure equitable access to lifelong learning opportunities, especially in low- and middle-income countries. Although the Sustainable Development Goals, 2015–2030 (SDGs) emphasise inclusive education for children under 5 years with disabilities, there is no global strategy for achieving this goal since the launch of the SDGs. This paper explores a global ECD framework for children with disabilities based on a review of national ECD programmes from different world regions and relevant global ECD reports published since 2015. Available evidence suggests that any ECD strategy for young children with disabilities should consists of a twin-track approach, strong legislative support, guidelines for early intervention, family involvement, designated coordinating agencies, performance indicators, workforce recruitment and training, as well as explicit funding mechanisms and monitoring systems. This approach reinforces parental rights and liberty to choose appropriate support pathway for their children. We conclude that without a global disability-focussed ECD strategy that incorporates these key features under a dedicated global leadership, the SDGs vision and commitment for the world’s children with disabilities are unlikely to be realised.