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Ayer — Enero 17th 2026Tus fuentes RSS

Trajectory, healthcare utilisation and recovery in 3590 individuals with long covid: a 4-year prospective cohort analysis

Por: Prashar · J. · Hillman · T. · Wall · E. C. · Sarna · A. · Mi · E. · Bell · R. · Sahota · J. · Zandi · M. · McNamara · P. · Livingston · R. · Gore · R. · Lunken · C. · Bax · E. · Nyam · R. · Rafie Manzelat · A. M. · Hishmeh · L. · Attree · E. · Cone · S. · Banerjee · A. · Heightman · M.
Objective

To characterise long-term trajectory of recovery in individuals with long covid.

Design

Prospective cohort.

Setting

Single-centre, specialist post-COVID service (London, UK).

Participants

Individuals aged ≥18 years with long covid (hospitalised and non-hospitalised) from April 2020 to March 2024.

Main outcome measures

Routine, prospectively collected data on symptoms, quality of life (including Fatigue Assessment Scale (FAS) and EuroQol 5 Dimensions (EQ-5D), return to work status and healthcare utilisation (investigations, outpatient and emergency attendances). The primary outcome was recovery by self-reported >75% of ‘best health’ (EQ-5D Visual Analogue Scale) and was assessed using Cox proportional hazards regression models over 4 years. Linked National Health Service England registry data provided secondary care healthcare utilisation and expenditure.

Results

We included 3590 individuals (63.3% female, 73.5% non-hospitalised, median age 50.0 years, 71.9% with ≥2 doses of COVID-19 vaccination), who were followed up for a median of 136 (0–346) days since first assessment and 502 (251–825) days since symptom onset. At first assessment, 33.2% of employed individuals were unable to work. Dominant symptoms were fatigue (78.7%), breathlessness (68.1%) and brain fog (53.5%). 33.4% of individuals recovered to >75% of best health prior to clinic discharge (recovery occurred median 202 (94–468) days from symptom onset). Vaccinated individuals were more likely to recover faster (pre: HR 2.93 (2.00–4.28) and post: HR 1.34 (1.05–1.71) COVID-19 infection), whereas recovery hazard was inversely associated with FAS (HR 0.37 (0.33–0.42)), myalgia (HR 0.59 (0.45–0.76)) and dysautonomic symptoms (HR 0.46 (0.34–0.62)). There was high secondary care healthcare utilisation (both emergency and outpatient care). Annual inpatient and outpatient expenditure was significantly lower in hospitalised individuals while under the service. When compared with the prereferral period, emergency department attendances were reduced in non-hospitalised patients with long covid, but outpatient costs increased.

Conclusions

In the largest long covid cohort from a single specialist post-COVID service to date, only one-third of individuals under follow-up achieved satisfactory recovery. Fatigue severity and COVID-19 vaccination at presentation, even after initial COVID-19 infection, was associated with long covid recovery. Ongoing service provision for this and other post-viral conditions is necessary to support care, progress treatment options and provide capacity for future pandemic preparedness. Research and clinical services should emphasise these factors as the strongest predictors of non-recovery.

Climate change, transactional sex, HIV/AIDS and sustainable livelihoods among fishing communities around Lake Victoria: a scoping review protocol

Por: Were · L. P. O. · Kachingwe · O. N. · Goldman · T. · Ma · Y. · Awuor · F. J. · Nyamweya · C. · Okechi · J. · Kaufman · L. · Gopal · S.
Background

The objective of this scoping review is to map out what has been published in the scientific literature on the relationship between climate change-related events and how these overlap with associated changes in resource availability, transactional sex and HIV incidence and prevalence, within fishing communities in the Lake Victoria basin. This objective is informed by the fact that climate change and the associated natural resource strains in the Lake Victoria region have exacerbated existing inequities within fishing communities. Vulnerable populations, especially women, engage in strategies such as transactional sex to cope with the uncertainty of natural resource-dependent livelihoods. This practice greatly increases women’s risk of contracting HIV in this region, with prevalence rates four to five times the national averages. This scoping review will thus show how the existing empirical literature reports on climate change, transformation in natural resources and livelihoods, and transactional sex and HIV in the Lake Victoria region.

Methods

Studies that meet the following inclusion criteria will be included: align with at least two of the major concepts of interest, including climate change, transactional sex, HIV/AIDS, Lake Victoria Basin and/or empirical studies; are published in English and after 2012; and focus on the Lake Victoria basin. The scoping review will be guided by the JBI Manual for Evidence Synthesis: Scoping Reviews, supported by the standard principles of Arksey and O’Malley. The specific search strategies to be implemented were developed with guidance from an experienced research librarian to align with the inclusion criteria. The search will be conducted in relevant global databases, with two reviewers screening the results and extracting relevant data points. Finally, results will be reported using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses Extension for Scoping Reviews flow diagram, and summarised in figures, tables and text.

Discussion

The scoping review is designed to comprehensively scope the existing literature and document the coverage of linkages between transactional sex, HIV/AIDS and sustainable livelihoods in the context of climate change with a view to informing health systems responses to human health specific to the HIV epidemic.

Scoping review registration

The proposed scoping review is registered with the Open Science Foundation (OSF), registration number:https://doi.org/10.17605/OSF.IO/9DTW4.

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MiR-125b-5p and miR-100-5p as Biomarkers and therapeutic targets for the prevention of particulate matter-induced non-smoker lung cancer

by Moe Thi Thi Han, Tay Zar Myo Oo, Busayamas Chewaskulyong, Sakorn Pornprasert, Kanyamas Choocheep, Khanittha Punturee, Warunee Kumsaiyai, Yupanun Wuttiin, Sawitree Chiampanichayakul, Ratchada Cressey

Non-smoking-related lung cancer is increasingly associated with environmental factors such as particulate matter (PM) exposure. Using deep small RNA sequencing, we identified distinct miRNA expression patterns in lung cancer patients compared to non-cancer controls, stratified by smoking status. Notably, hsa-miR-125b-5p and hsa-miR-100-5p were significantly downregulated in non-smoking lung cancer patients. Pathway enrichment analysis revealed smoking amplifies pathways related to glycan biosynthesis, signal transduction, and transcriptional regulation, while non-smoking lung cancer is characterized by immune dysfunction and metabolic alterations, including oxidative phosphorylation and natural killer cell cytotoxicity. Validation in a larger cohort using quantitative RT-PCR confirmed the suppression of miR-125b-5p and miR-100-5p in non-smoking lung cancer patients. Additionally, miR-203a and miR-199a-3p were identified as potential biomarkers for lung cancer, independent of smoking status. Chronic PM exposure in primary bronchial/tracheal epithelial cells initially elevated miR-125b-5p and miR-100-5p expression, but prolonged exposure suppressed these miRNAs while increasing their target genes, TXNRD1 and HOXA1, suggesting stress-induced dysregulation. Functional studies using miRNA mimics demonstrated that miR-125b-5p and miR-100-5p suppress PM-induced cancer cell mobility and colony formation, with miR-125b-5p exhibiting broader effects. These findings underscore the critical roles of miR-125b-5p and miR-100-5p in PM-associated lung cancer progression and their potential as biomarkers and therapeutic targets. This study highlights distinct mechanisms of lung carcinogenesis in smokers and non-smokers, providing a foundation for targeted interventions in PM-associated lung cancer.

Depressed mood as a transdiagnostic target relevant to anxiety and/or psychosis: a scoping review

Por: Mavindidze · E. · Dambi · J. · Nyamayaro · P. · Beji-Chauke · R. · Tunduwani · T. D. · Shava · B. K. · Mavhu · W. · Abas · M. · Chibanda · D. · Nhunzvi · C.
Introduction

Depressed mood is a psychological state characterised by sadness or loss of interest in activities, is a common symptom that accompanies most major mental disorders. It is therefore reasonable to consider it as a transdiagnostic target, which when addressed, may improve the functioning and quality of life of persons with lived experience of mental disorders. However, there is limited understanding of the depressed mood as a transdiagnostic target across major mental disorders. Therefore, this scoping review aims to synthesise knowledge on depressed mood, its measurement and interventions among persons with anxiety and/or psychosis.

Methods and analysis

This scoping review followed Arksey and O'Malley’s framework. Peer-reviewed articles and grey literature published from January 1988 to April 2024 were searched in the following databases: Medline/PubMed, Scopus, Web of Science, Africa-Wide Information, Cumulative Index to Nursing and Allied Health Literature, PsycINFO, SocINDEX, Humanities International Complete, Sabinet, Open Grey and Google Scholar. Articles were screened at title, abstract and full article levels. Data extracted were analysed using thematic analysis and reported following Preferred Reporting Items for Systematic reviews and Meta-Analyses extension for Scoping Reviews guidelines. We also consulted stakeholders such as lived experience experts, clinicians and researchers to contextualise our findings.

Results

We screened 245 full articles out of the 4039 hits and included 28 articles in this review. Although depressed mood is conceptually different from clinical depression, the terms are used interchangeably in the literature. The prevalence of depressed mood in psychosis was 7.3–33.3%, with no prevalence studies specific to anxiety disorders. Commonly used outcome measures included Beck’s Depression Inventory (n=6) and Patient Health Questionnaire-9 (n=5). Psychosocial conservative interventions such as cognitive–behavioural therapy were the most common interventions. Other interventions, including yoga, pharmacotherapy and Ecology Momentary Interventions, were also reported. All interventions were reported to improve depressed mood, and most were implemented in high-income settings. Stakeholders, including lived experience experts, concurred on the importance of using depressed mood as a transdiagnostic target, viewing it as a ‘window’ for early identification and management of many common mental disorders.

Discussion

There is a need to clarify the definition and diagnostic cut-off points on common outcome measures of depressed mood. There is also a need for increased research on depressed mood as a viable transdiagnostic target in anxiety and/or psychosis with a special focus on low-to-middle income countries.

Conclusion

Depressed mood is an important and prevalent transdiagnostic target with great promise for early management in anxiety and/or psychosis. Valid diagnostic and measurement tools are developing, and so are the targeted interventions in the context of anxiety and/or psychosis.

Sexually transmitted infections self-sampling among sexually active individuals in sub-Saharan Africa: a scoping review protocol

Por: Nyamwanza · O. · Kabonga · I. · Mashanyare · T.
Introduction

Sexually transmitted infections (STIs) pose a huge public health challenge in sub-Saharan Africa, where prevalence rates are among the highest globally. Barriers such as limited healthcare access, stigma and inadequate diagnostic facilities impede timely detection and treatment. Self-sampling for STI testing offers a potential solution to these challenges. This scoping review will systematically map the available evidence on self-sampling for STIs in sub-Saharan Africa, focusing on its feasibility, acceptability, implementation and outcomes.

Methods and analysis

The scoping review will be guided by the Arksey and O’Malley framework. The review will include a comprehensive search of peer-reviewed and grey literature from various repositories and databases. The following databases will be searched: PubMed, Scopus and Global Health. Studies that will be included will meet specific criteria. The results of the review will be reported according to the Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols checklist.

Ethics and dissemination

The methodology used for this study is a scoping review of existing literature; therefore, ethical approval is not required. Findings of this study will be shared at national, regional and international conferences and published in a peer-reviewed journal.

Trial registration

We registered the protocol with the Open Science Framework.

Prevalence and determinants of unsuppressed HIV viral loads among children and adolescents living with HIV on antiretroviral therapy in Lubumbashi, Democratic Republic of the Congo: a retrospective cross-sectional study

Por: Mukuku · O. · Govender · K. · Wembonyama · S. O.
Background

Despite global improvements in antiretroviral therapy (ART) access for children and adolescents living with HIV (CALHIV), a significant proportion continue to experience unsuppressed viral load (USVL). Limited studies focus on the factors contributing to USVL among CALHIV in the Democratic Republic of the Congo (DRC), especially in the context of evolving treatment landscapes. Understanding these determinants is crucial for enhancing ART outcomes.

Objective

This study aimed to determine the prevalence of USVL and identify factors associated with USVL among CALHIV receiving ART in Lubumbashi, DRC.

Design

A multicentre retrospective cross-sectional study was conducted. Data were gathered using an observational checklist based on assessing patient file data and entered into Microsoft Excel. Analysis was performed using STATA V.16. Variables with a p value of 0.20 from the bivariable analysis were included in a multivariable logistic regression model, and significant variables (p

Setting and participants

The study was conducted at 21 HIV care clinics in Lubumbashi from June to September 2024. It included 847 CALHIV aged 0–19 years who had been on ART for at least 6 months and had at least one available VL result.

Primary outcome measure

The rate of USVL among CALHIV, defined as achieving a VL below 1000 copies/mL, in those who had been on ART for at least 6 months.

Results

The prevalence of USVL among CALHIV was 24.68% (209/847; 95% CI: 21.89% to 27.69%). Multivariable logistic regression analysis revealed that CALHIV with married caregivers were more likely to have USVL (adjsuted OR, aOR=2.4; 95% CI: 1.2 to 5.0). Other factors associated with USVL included horizontal HIV transmission (aOR=2.3; 95% CI: 1.0 to 5.2), advanced WHO clinical stages (aOR=3.5; 95% CI: 1.0 to 13.7), poor/fair ART adherence (aOR=107.8; 95% CI: 50.3 to 231.1) and ART-induced side effects (aOR=3.8; 95% CI: 1.9 to 7.9).

Conclusions

The high rate of USVL among CALHIV in Lubumbashi highlights the need to strengthen ART adherence support, manage treatment side effects and improve early diagnosis and follow-up, particularly for those infected through horizontal transmission or presenting with advanced clinical stages. Special attention should also be given to caregiver-related factors, including marital status, which may influence treatment outcomes.

Effectiveness of technology‐based psychosocial interventions for improving health‐related outcomes of family caregivers of stroke survivors: A systematic review and meta‐analysis

Abstract

Aim

To synthesize evidence regarding the effectiveness of technology-based psychosocial interventions in improving health-related outcomes among family caregivers of stroke survivors.

Design

A systematic review and meta-analysis was reported by the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.

Methods

Randomized controlled trials that investigated the effects of psychosocial interventions delivered through information and communication technologies on self-efficacy, caregiving competence, caregiver burden, perceived social support, anxiety, depression, health-related quality of life and cost-effectiveness were included. Two researchers independently selected studies, extracted data, and appraised the quality of the included studies. Subgroup analysis, sensitivity analysis, and narrative synthesis were conducted.

Data Sources

Ten electronic databases (PubMed, CENTRAL, Web of Science, Scopus, CINHAL, Embase, Institution of Electrical Engineers Xplore, Ovid Medline, PsycINFO, ProQuest Dissertations and Thesis) were searched up to February 2023.

Results

Nineteen studies involving 1717 participants fulfilled the eligibility criteria. Technology-based psychosocial interventions significantly improved self-efficacy (SMD = .62), caregiving competence (SMD = .55), depression (SMD = −.25) and anxiety (SMD = −.35). However, perceived social support, caregiver burden, and health-related quality of life did not show significant improvements. Subgroup analyses revealed that the interventions, lasting from 4 to 6 weeks and encompassing comprehensive contents, exhibited larger effect sizes. None of the studies measured cost-effectiveness.

Conclusion

The technology-based psychosocial interventions are effective in enhancing self-efficacy and caregiving competence, as well as alleviating anxiety, and depression among family caregivers of stroke survivors. Future research should investigate interventions delivered through various digital platforms using well-designed RCTs with in-depth qualitative data collection and measurement of health and cost-effectiveness outcomes.

Impact

Through psychosocial interventions, healthcare providers in clinical and community settings, particularly nurses, could incorporate technologies into current stroke care practices.

Patient or Public Contribution

It is not applicable as this is a systematic review.

Registration

The protocol was registered on PROSPERO (CRD42023402871).

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