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Eliciting preferences of persons with dementia and informal caregivers to support ageing in place in the Netherlands: a protocol for a discrete choice experiment

Por: Vullings · I. · Wammes · J. · Uysal-Bozkir · O. · Smits · C. · Labrie · N. H. M. · Swait · J. D. · de Bekker-Grob · E. · Macneil-Vroomen · J. L.
Introduction

Ageing in place (AIP) for persons with dementia is encouraged by European governments and societies. Healthcare packages may need reassessment to account for the preferences of care funders, patients and informal caregivers. By providing insight into people’s preferences, discrete choice experiments (DCEs) can help develop consensus between stakeholders. This protocol paper outlines the development of a Dutch national study to cocreate a healthcare package design methodology built on DCEs that is person-centred and helps support informal caregivers and persons with dementia to AIP. A subpopulation analysis of persons with dementia with a migration background is planned due to their high risk for dementia and under-representation in research and care.

Methods and analysis

The DCE is designed to understand how persons with dementia and informal caregivers choose between different healthcare packages. Qualitative methods are used to identify and prioritise important care components for persons with dementia to AIP. This will provide a list of care components that will be included in the DCE, to quantify the care needs and preferences of persons with dementia and informal caregivers. The DCE will identify individual and joint preferences to AIP. The relative importance of each attribute will be calculated. The DCE data will be analysed with the use of a random parameters logit model.

Ethics and dissemination

Ethics approval was waived by the Amsterdam University Medical Center (W23_112 #23.137). A study summary will be available on the websites of Alzheimer Nederland, Pharos and Amsterdam Public Health institute. Results are expected to be presented at (inter)national conferences, peer-reviewed papers will be submitted, and a dissemination meeting will be held to bring stakeholders together. The study results will help improve healthcare package design for all stakeholders.

Impact of obese patients in ovarian cancer surgery on postoperative wound complications: A meta‐analysis

Abstract

The effect of obesity on wound-related outcomes in post-ovarian cancer patients is not clear. A number of studies on the association of fat with post-operation injury in ovarian carcinoma have produced contradictory findings. This study aims to conduct a study of the available data to assess the association of obese individuals with significant surgery results in ovarian cancer. We looked up Cochrane Library, Embase, and PubMed for qualifying research on ovarian cancer operations to determine the primary evidence for evaluating the association of obesity with post-surgical wound injury in ovarian cancer. The odds ratio (OR) was analysed with a fixed effect model if the variability of the study was small; otherwise, the analysis of the data was done with a random effect model. Out of 1259 related trials which were reviewed for eligibility, 6 publications were chosen from 2009 to 2019, 3076 patients who had had an operation for ovarian cancer. Obesity has been linked to an increased rate of wound-related complications in ovarian cancer operations compared to those without obesity (OR, 0.50; 95% CI, 0.37, 0.69 p < 0.0001). Non-obesity was significantly less likely to occur with respect to operation time compared to those with obesity (MD, −48.00; 95% CI, −55.33, −40.68 p < 0.00001). There were no statistically significant differences in the rate of haemorrhage after the operation (OR, 0.26; 95% CI, 0.04, 1.57, p = 0.14). Because of the limited number of trials in this meta-analysis, caution should be exercised in their treatment. More high-quality research with a large sample is required in order to confirm the findings.

What are best practices for involving family caregivers in interventions aimed at responsive behaviour stemming from unmet needs of people with dementia in nursing homes: a scoping review

Objectives

This study aimed to determine best practices for involving family caregivers in interventions aimed at preventing and reducing responsive behaviour stemming from unmet needs, including pain.

Design

Scoping review, reported according to the Preferred Reporting Items for Systematic Reviews, Meta-Analyses extension for Scoping Reviews reporting guideline.

Data sources

PubMed, Embase, Emcare, Web of Science, COCHRANE Library, PsycINFO, Academic Search Premier and Cinahl searched up to 23 July 2023.

Eligibility criteria

Studies reporting on family involvement in interventions for nursing home residents with dementia were included.

Data extraction and synthesis

Two researchers independently extracted the data, followed by a content analysis.

Results

Of the 1486 records screened, 20 studies were included. Family caregivers were involved in interventions aimed at planning care, life review (eg, documentation of life experiences of their relative), and selecting activities for their relative. Family caregivers preferred an active role in developing optimal care for their relative. Drivers of success and barriers to family involvement centred around three themes: (1) communication between all involved; (2) prerequisites (organisational and other conditions) and (3) personal circumstances (family’s coping and skills).

Conclusion

Best practices for involving family caregivers in interventions aimed at addressing responsive behaviour in residents with dementia concerned those interventions in which family caregivers were given an important role in managing responsive behaviour. This means that, in order to achieve an active role of family caregivers in the whole care process, their needs must be taken into account.

Trial registration number

The protocol of the review was regisered at OSF; https://osf.io/twcfq

Understanding the patterns and health impact of indoor air pollutant exposures in Bradford, UK: a study protocol

Por: Ikeda · E. · Hamilton · J. · Wood · C. · Chatzidiakou · L. · Warburton · T. · Ruangkanit · A. · Shao · Y. · Genes · D. · Waiblinger · D. · Yang · T. C. · Giorio · C. · McFiggans · G. · O'Meara · S. P. · Edwards · P. · Bates · E. · Shaw · D. R. · Jones · R. L. · Carslaw · N. · McEachan · R.
Introduction

Relative to outdoor air pollution, there is little evidence examining the composition and concentrations of indoor air pollution and its associated health impacts. The INGENIOUS project aims to provide the comprehensive understanding of indoor air pollution in UK homes.

Methods and analysis

‘Real Home Assessment’ is a cross-sectional, multimethod study within INGENIOUS. This study monitors indoor air pollutants over 2 weeks using low-cost sensors placed in three rooms in 300 Born in Bradford (BiB) households. Building audits are completed by researchers, and participants are asked to complete a home survey and a health and behaviour questionnaire, in addition to recording household activities and health symptoms on at least 1 weekday and 1 weekend day. A subsample of 150 households will receive more intensive measurements of volatile organic compound and particulate matter for 3 days. Qualitative interviews conducted with 30 participants will identify key barriers and enablers of effective ventilation practices. Outdoor air pollution is measured in 14 locations across Bradford to explore relationships between indoor and outdoor air quality. Data will be analysed to explore total concentrations of indoor air pollutants, how these vary with building characteristics, and whether they are related to health symptoms. Interviews will be analysed through content and thematic analysis.

Ethics and dissemination

Ethical approval has been obtained from the NHS Health Research Authority Yorkshire and the Humber (Bradford Leeds) Research Ethics Committee (22/YH/0288). We will disseminate findings using our websites, social media, publications and conferences. Data will be open access through the BiB, the Open Science Framework and the UK Data Service.

Cohort profile: Genetic data in the German Socio-Economic Panel Innovation Sample (SOEP-G)

by Philipp D. Koellinger, Aysu Okbay, Hyeokmoon Kweon, Annemarie Schweinert, Richard Karlsson Linnér, Jan Goebel, David Richte, Lisa Reiber, Bettina Maria Zweck, Daniel W. Belsky, Pietro Biroli, Rui Mata, Elliot M. Tucker-Drob, K. Paige Harden, Gert Wagner, Ralph Hertwig

The German Socio-Economic Panel (SOEP) serves a global research community by providing representative annual longitudinal data of respondents living in private households in Germany. The dataset offers a valuable life course panorama, encompassing living conditions, socioeconomic status, familial connections, personality traits, values, preferences, health, and well-being. To amplify research opportunities further, we have extended the SOEP Innovation Sample (SOEP-IS) by collecting genetic data from 2,598 participants, yielding the first genotyped dataset for Germany based on a representative population sample (SOEP-G). The sample includes 107 full-sibling pairs, 501 parent-offspring pairs, and 152 triads, which overlap with the parent-offspring pairs. Leveraging the results from well-powered genome-wide association studies, we created a repository comprising 66 polygenic indices (PGIs) in the SOEP-G sample. We show that the PGIs for height, BMI, and educational attainment capture 22∼24%, 12∼13%, and 9% of the variance in the respective phenotypes. Using the PGIs for height and BMI, we demonstrate that the considerable increase in average height and the decrease in average BMI in more recent birth cohorts cannot be attributed to genetic shifts within the German population or to age effects alone. These findings suggest an important role of improved environmental conditions in driving these changes. Furthermore, we show that higher values in the PGIs for educational attainment and the highest math class are associated with better self-rated health, illustrating complex relationships between genetics, cognition, behavior, socio-economic status, and health. In summary, the SOEP-G data and the PGI repository we created provide a valuable resource for studying individual differences, inequalities, life-course development, health, and interactions between genetic predispositions and the environment.

Human umbilical cord mesenchymal stem cell‐derived exosomes combined with gelatin methacryloyl hydrogel to promote fractional laser injury wound healing

Abstract

To investigate whether human umbilical cord mesenchymal stem cell-derived exosomes combined with gelatin methacryloyl (GelMA) hydrogel are beneficial in promoting healing of laser-injured skin wounds in mice. Supernatants of cultured human umbilical cord mesenchymal stem cells (HUC-MSCs) were collected to obtain human umbilical cord MSC-derived exosomes (HUC-MSCs-Exos), which were combined with GelMA hydrogel complex to treat a mouse fractional laser injury model. The study was divided into PBS group, EX (HUC-MSCs-Exos) group, GEL (GelMA hydrogel) group and EX+GEL (HUC-MSCs-Exos combined with GelMA hydrogel) group. The healing of laser-injured skin in each group was observed by gross view and dermatoscopy, and changes in skin structure, angiogenesis and proliferation-related indexes were observed during the healing process of laser-injured skin in each group. The results of the animal experiments showed that the EX and GEL groups alone and the EL+EX group exhibited less inflammatory response compared to the PBS group. The EX and GEL groups showed marked tissue proliferation and favourable angiogenesis, which promoted the wound healing well. The GEL+EX group had the most significant promotion of wound healing compared to the PBS group. qPCR results showed that the expression levels of proliferation-related factors, including KI67 and VEGF and angiogenesis-related factor CD31, were significantly higher in the GEL+EX group than in the other groups, with a time-dependent effect. The combination of HUC-MSCs-Exos and GelMA hydrogel is beneficial in reducing the early inflammatory response of laser-injured skin in mice and promoting its proliferation and angiogenesis, which in turn promotes wound healing.

Optimising HIV care using information obtained from PROMs: protocol for an observational study

Por: Moody · K. · Nieuwkerk · P. T. · Bedert · M. · Nellen · J. F. · Weijsenfeld · A. · Sigaloff · K. C. E. · Laan · L. · Bruins · C. · van Oers · H. · Haverman · L. · Geerlings · S. E. · Van der Valk · M.
Introduction

Successful antiviral therapy has transformed HIV infection into a chronic condition, where optimising quality of life (QoL) has become essential for successful lifelong treatment. Patient-reported outcome measures (PROMs) can signal potential physical and mental health problems related to QoL. This study aims to determine whether PROMs in routine clinical care improve quality of care as experienced by people with HIV (PWH).

Methods and analysis

We report the protocol of a multicentre longitudinal cohort studying PWH at Amsterdam University Medical Centres in the Netherlands. PROMs are offered annually to patients via the patient portal of the electronic health record. Domains include anxiety, depression, fatigue, sleep disturbances, social isolation, physical functioning, stigma, post-traumatic stress disorder, adherence, drug and alcohol use and screening questions for sexual health and issues related to finances, housing and migration status. Our intervention comprises (1) patients’ completion of PROMs, (2) discussion of PROMs scores during annual consultations and (3) documentation of follow-up actions in an individualised care plan, if indicated. The primary endpoint will be patient-experienced quality of care, measured by the Patient Assessment of Chronic Illness Care, Short Form (PACIC-S). Patients will provide measurements at baseline, year 1 and year 2. We will explore change over time in PACIC-S and PROMs scores and examine the sociodemographical and HIV-specific characteristics of subgroups of patients who participated in all or only part of the intervention to ascertain whether benefit has been achieved from our intervention in all subgroups.

Ethics and dissemination

Patients provide consent for the analysis of data collected as part of routine clinical care to the AIDS Therapy Evaluation in the Netherlands study (ATHENA) cohort through mechanisms described in Boender et al. Additional ethical approval for the analysis of these data is not required under the ATHENA cohort protocol. The results will be presented at national and international academic meetings and submitted to peer-reviewed journals for publication.

Feasibility of linking universal child and family healthcare and financial counselling: findings from the Australian Healthier Wealthier Families (HWF) mixed-methods study

Por: Price · A. M. H. · White · N. · Burley · J. · Zhu · A. · Contreras-Suarez · D. · Wang · S. · Stone · M. · Trotter · K. · Mrad · M. · Caldwell · J. · Bishop · R. · Chota · S. · Bui · L. · Sanger · D. · Roles · R. · Watts · A. · Samir · N. · Grace · R. · Raman · S. · Kemp · L. · Lingam · R. · Eape
Objectives

‘Healthier Wealthier Families’ (HWF) seeks to reduce financial hardship in the early years by embedding a referral pathway between Australia’s universal child and family health (CFH) services and financial counselling. This pilot study investigated the feasibility and short-term impacts of HWF, adapted from a successful Scottish initiative.

Methods

Setting: CFH services in five sites across two states, coinciding with the COVID-19 pandemic. Participants: Caregivers of children aged 0–5 years experiencing financial hardship (study-designed screen). Design: Mixed methods. With limited progress using a randomised trial (RCT) design in sites 1–3 (March 2020–November 2021), qualitative interviews with service providers identified implementation barriers including stigma, lack of knowledge of financial counselling, low financial literacy, research burden and pandemic disruption. This informed a simplified RCT protocol (site 4) and direct referral model (no randomisation, pre–post evaluation, site 5) (June 2021–May 2022). Intervention: financial counselling; comparator: usual care (sites 1–4). Feasibility measures: proportions of caregivers screened, enrolled, followed up and who accessed financial counselling. Impact measures: finances (quantitative) and other (qualitative) to 6 months post-enrolment.

Results

355/434 caregivers completed the screen (60%–100% across sites). In RCT sites (1–4), 79/365 (19%–41%) reported hardship but less than one-quarter enrolled. In site 5, n=66/69 (96%) caregivers reported hardship and 44/66 (67%) engaged with financial counselling; common issues were utility debts (73%), and obtaining entitlements (43%) or material aid/emergency relief (27%). Per family, financial counselling increased income from government entitlements by an average $A6504 annually plus $A784 from concessions, grants, brokerage and debt waivers. Caregivers described benefits (qualitative) including reduced stress, practical help, increased knowledge and empowerment.

Conclusions

Financial hardship screening via CFH was acceptable to caregivers, direct referral was feasible, but individual randomisation was infeasible. Larger-scale implementation will require careful, staged adaptations where CFH populations and the intervention are well matched and low burden evaluation.

Trial registration number

ACTRN12620000154909.

Perceived value and benefits of the Community Paramedicine at Clinic (CP@clinic) programme: a descriptive qualitative study

Por: Marzanek · F. · Nair · K. · Ziesmann · A. · Paramalingam · A. · Pirrie · M. · Angeles · R. · Agarwal · G.
Objectives

Community Paramedicine (CP) is increasingly being used to provide chronic disease management for vulnerable populations in the community. CP@clinic took place in social housing buildings to support cardiovascular health and diabetes management for older adults. The purpose of this study was to examine participant perceptions of their experience with CP@clinic as well as potential ongoing programme benefits.

Design

This descriptive qualitative study used focus groups to understand resident experiences of the CP@clinic programme. Groups were facilitated by experienced moderators using a semistructured guide. An inductive coding approach was used with at least two researchers taking part in each step of the analysis process.

Setting

Community-based social housing buildings in Ontario, Canada.

Participants

Forty-one participants from four CP@clinic sites took part in a focus group. Convenience sampling was used with anyone having taken part in a CP@clinic session being eligible to attend the focus group.

Results

Analysis yielded six themes across two broad areas: timely access to health information and services, support to achieve personal health goals, better understanding of healthcare system (Personal Benefits); and sense of community, comfortable and familiar place to talk about health, facilitated communication between healthcare professionals (Programme Structure). Participants experienced discernible health changes that motivated their participation. CP@clinic was viewed as a programme that created connections within the building and outside of it. Participants were enthusiastic for the continuation of the programme and appreciated the consistent support to meet their health goals.

Conclusions

CP@clinic was successful in creating a supportive and friendly environment to facilitate health behavioural changes. Ongoing implementation of CP@clinic would allow residents to continue to build their chronic disease management knowledge and skills.

Trial registration number

Trial registration number: NCT02152891, Clinicaltrials.gov.

Lost in translation: how can education about dementia be effectively integrated into medical school contexts? A realist synthesis

Por: Tullo · E. · Wakeling · L. · Pearse · R. · Kheng Khoo · T. · Teodorczuk · A.
Objectives

The prevalence of dementia in both community and hospital settings requires a clinical workforce that is skilled in diagnosis and management of the condition to competently care for patients. Though evidence of successful educational interventions about dementia exists, effective translation into medical school curricula is the exception rather than the norm.

Design

We adopted a realist synthesis approach following Realist And MEta-narrative Evidence Syntheses: Evolving Standards (RAMESES) guidelines to answer the following questions: (1) what are the barriers to integrating effective interventions about dementia into medical school curricula and (2) where they are successfully delivered, what are the contextual factors that allow for this enactment?

Data sources

We searched PubMed, Embase, CINAHL and PsycINFO using the MesH terms Schools, Medical; Students, Medical; Education, Medical AND Neurocognitive disorders or the closest possible set of terms within each database.

Eligibility criteria

Undergraduate or graduate entry medical school programme, teaching and learning focussing on dementia, evaluating student outcomes (satisfaction, knowledge, skills, attitudes or behaviours), interventions described clearly enough to classify teaching method, any research design (quantitative and qualitative), English language.

Data extraction and synthesis

We used a shared spreadsheet to enter key information about eligible studies and the reasons for excluding studies that did not fit eligibility criteria. We extracted descriptive data about the nature of educational interventions and narrative information as to barriers and facilitators to implementing those interventions.

Results

Our initial literature search identified 16 relevant papers for review. Systematic extraction of data informed the development of an initial programme theory (IPT) structured around four contextual barriers: ‘culture’, ‘concern for patient welfare’, ‘student attitudes’ and ‘logistics’ with associated facilitatory mechanisms embed medical education about dementia.

Conclusions

We outline the process of generating our IPT, including overlap with Cultural Historical Activity Theory. We outline our intention to refine our programme theory through ongoing review of the evidence base and collaboration with stakeholders, with the aim of finalising a model for successful integration of dementia education.

Two mouse models of Alzheimer’s disease accumulate amyloid at different rates and have distinct Aβ oligomer profiles unaltered by ablation of cellular prion protein

by Silvia A. Purro, Michael Farmer, Elizabeth Noble, Claire J. Sarell, Megan Powell, Daniel Yip, Lauren Giggins, Leila Zakka, David X. Thomas, Mark Farrow, Andrew J. Nicoll, Dominic Walsh, John Collinge

Oligomers formed from monomers of the amyloid β-protein (Aβ) are thought to be central to the pathogenesis of Alzheimer’s disease (AD). Unsurprisingly for a complex disease, current mouse models of AD fail to fully mimic the clinical disease in humans. Moreover, results obtained in a given mouse model are not always reproduced in a different model. Cellular prion protein (PrPC) is now an established receptor for Aβ oligomers. However, studies of the Aβ-PrPC interaction in different mouse models have yielded contradictory results. Here we performed a longitudinal study assessing a range of biochemical and histological features in the commonly used J20 and APP-PS1 mouse models. Our analysis demonstrated that PrPC ablation had no effect on amyloid accumulation or oligomer production. However, we found that APP-PS1 mice had higher levels of oligomers, that these could bind to recombinant PrPC, and were recognised by the OC antibody which distinguishes parallel, in register fibrils. On the other hand, J20 mice had a lower level of Aβ oligomers, which did not interact with PrPC when tested in vitro and were OC-negative. These results suggest the two mouse models produce diverse Aβ assemblies that could interact with different targets, highlighting the necessity to characterise the conformation of the Aβ oligomers concomitantly with the toxic cascade elicited by them. Our results provide an explanation for the apparent contradictory results found in APP-PS1 mice and the J20 mouse line in regards to Aβ toxicity mediated by PrPC.

A meta‐analysis of the effectiveness of antibacterial bone cement in the treatment of diabetic foot skin wound infections

Abstract

A meta-analysis research was implemented to appraise the effect of antibiotic bone cement (ABC) in treating infected diabetic foot wounds (IDFWs). Inclusive literature research till April 2023 was done and 1237 interconnected researches were revised. The 15 selected researches enclosed 895 IDFWs persons were in the utilized researchers' starting point, 449 of them were utilizing ABC, and 446 were in the control group. Odds ratio and 95% confidence intervals were utilized to appraise the consequence of ABC in treating IDFWs by the contentious approach and a fixed or random model. ABC had significantly lower wound healing time (MD, −9.83; 95% CI, −12.45–−7.20, p < 0.001), and time to bacterial conversion of the wound (MD, −7.30; 95% CI, −10.38–−4.32, p < 0.001) compared to control in IDFWs persons. However, caution needs to be taken when interacting with its values since there was a low sample size of most of the chosen research found for the comparisons in the meta-analysis.

Utilizing the visual analogue scale (VAS) to monitor and manage pain in post‐operative skin wounds after thoracic surgery

Abstract

Due to the global increase in thoracic interventions, there is greater emphasis on refining post-operative care. The purpose of this study was to validate the visual analogue scale (VAS) as the valid method for measuring post-operative pain in thoracic surgery patients. From January 2020 to June 2022, this cross-sectional study investigated 240 adult patients who underwent elective thoracic surgeries in Thoracic Surgery Department of Heilongjiang Provincial Hospital. The participants were instructed to rate their discomfort using VAS at predetermined intervals after surgery. The following demographic and clinical information was recorded: age, gender, type of thoracic surgery, and history of chronic pain. Results showed a progressive decline in post-operative VAS scores over 72 h: 8.2 immediately after surgery, 6.0 at 24 h, 5.4 at 48 h, and 3.6 by 72 h. There were notable correlations between VAS scores and chronic pain history, with moderately positive correlation of 0.40 being observed. Mean scores for males and females were 3.8 and 3.9, respectively. The analysis by age revealed comparable mean scores for age categories below and above 40. With the exception of thoracic wall resection, which resulted in an average VAS score of 4.1 ± 1.0 (p < 0.05), the type of surgery had the minimal effect on variability of pain scores. The VAS is a reliable method for evaluating post-thoracic surgery discomfort. Given the substantial impact of pain history on VAS scores, there is an urgent need for personalized pain management strategies to improve post-operative care.

Effect of platelet‐rich plasma in treating patients with burn wounds: A meta‐analysis

Abstract

A meta-analysis was conducted to investigate the effects of platelet-rich plasma (PRP) in the treatment of burn wounds and to provide a scientific basis for clinical drug therapy. We searched PubMed, Embase, Cochrane Library, China National Knowledge Infrastructure and Wanfang databases to identify randomised controlled trials (RCTs) on PRP in treating burn wounds, with the control group being treated with conventional treatments and the intervention group being treated with PRP alone or combined with PRP on the basis of the control group. The search duration was each database's inception to September 2023. The literature was screened, data were extracted and quality was assessed by two independent researchers. Data analysis was performed using the Review Manager 5.4 software. Eighteen RCTs comprising 1463 patients were included in the analysis. The meta-analysis revealed that the application of PRP significantly improved the wound healing rate (standardised mean difference [SMD]: 1.11, 95% confidence interval [CI]: 0.54–1.67, p < 0.001), shortened wound healing time (SMD: −1.69, 95% CIs: −2.21 to −1.17, p < 0.001) and reduced the incidence of adverse events (7.03% vs. 18.93%, odds ratio [OR]: 0.32, 95% CI: 0.20–0.53, p < 0.001), and also significantly reduced patients' pain (SMD: −1.86, 95% CI: −2.47 to −1.25, p < 0.001) of burn patients when compared with the control group. This study showed that PRP is effective in repairing burn wounds, promoting wound healing, reducing the incidence of adverse events and reducing patient pain, making it worthy of clinical promotion and application.

Ultrasound in paediatric surgery: A meta‐analysis review of its influence on postoperative wound healing and infection rates

Abstract

Ultrasound (US) has traditionally been recognised for its imaging capabilities, but its emerging role as a therapeutic modality in postoperative wound management, especially in paediatric care, has garnered significant attention. This meta-analysis aimed to evaluate the influence of US on postoperative wound healing and infection rates in paediatric patients. From an initial pool of 1236 articles, seven were deemed suitable for inclusion. Postoperative wound healing was assessed using the Redness, Edema, Ecchymosis, Discharge, and Approximation (REEDA) scale. Notably, there was a significant difference in wound healing patterns between the US-treated and control groups (I 2 = 94%, standardized mean difference [SMD]: −4.60, 95% confidence intervals [CIs]: −6.32 to −2.88, p < 0.01), as illustrated in Figure 4. Additionally, a marked difference in wound infection rates was observed between the groups (I 2 = 93%, SMD: −5.86, 95% CIs: −9.04 to −2.68, p < 0.01), as portrayed in Figure 5. The findings underscore the potential benefits of US in enhancing postoperative wound healing and reducing infection rates in paediatric surgical settings. However, the application of US should be judicious, considering the nuances of individual patient needs and clinical contexts.

Identification of autophagy‐related genes in diabetic foot ulcer based on bioinformatic analysis

Abstract

Diabetic foot ulcer (DFU) complications involve autophagy dysregulation. This study aimed to identify autophagy-related bioindicators in DFU. Differentially expressed genes (DEGs) between DFU and healthy samples were analysed from the Gene Expression Omnibus (GEO) datasets, GSE7014 and GSE29221. The roles of autophagy-related DEGs were investigated using protein–protein interaction (PPI) networks, Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways, Gene Ontology (GO) enrichment, and Gene Set Enrichment Analysis (GSEA). Immune cell infiltration's correlation with these DEGs was also assessed. From the Human Autophagy Database (HADB), 232 autophagy-related genes (ARGs) were identified, with an intersection of 17 key DEGs between GSE7014 and GSE29221. These genes are involved in pathways like autophagy–animal, NOD-like receptor signalling, and apoptosis. In the protein network, epidermal growth factor receptor (EGFR) and phosphatase and tensin homologue (PTEN) showed significant interactions with ARGs. Survival analysis indicated the prognostic importance of calpain 2 (CAPN2), integrin subunit beta 1 (ITGB1), and vesicle-associated membrane protein 3 (VAMP3). Lower immune scores were observed in the type 2 diabetes mellitus (DM2) group than in controls. Autophagy and ARGs significantly influence DFU pathophysiology.

Tiza-Titre increase and enhanced immunity through an adjuvanted, recombinant herpes zoster subunit vaccine in patients with liver cirrhosis and post-liver transplantation: a study protocol for a prospective cohort study

Por: Vollmer-Raschdorf · S. · Rashidi-Alavijeh · J. · Voigt · S. · Hengel · H. · Borchardt · B. · Huzly · D. · Hüssler · E.-M. · in der Schmitten · J. · Halenius · A. · Willuweit · K. · Botzenhardt · S. · Trilling · M. · Boettler · T. · Dehnen · D.
Introduction

Shingrix, an effective adjuvanted, recombinant herpes zoster vaccine (RZV), has been available since 2018. Immunocompromised patients are known to be predisposed to vaccine failure. In-vitro testing of immunological surrogates of vaccine protection could be instrumental for monitoring vaccination success. So far, no test procedure is available for vaccine responses to RZV that could be used on a routine basis.

Methods and analysis

This is a single-centre, three-arm, parallel, longitudinal cohort study aspiring to recruit a total of 308 patients (103 with a liver cirrhosis Child A/B, 103 after liver transplantation (both ≥50 years), 102 immunocompetent patients (60–70 years)). Blood samples will be taken at seven data collection points to determine varicella zoster virus (VZV) and glycoprotein E (gE)-specific IgG and T cell responses. The primary study outcome is to measure and compare responses after vaccination with RZV depending on the type and degree of immunosuppression using gE-specific antibody detection assays. As a secondary outcome, first, the gE-specific CD4+ T cell response of the three cohorts will be compared and, second, the gE-VZV antibody levels will be compared with the severity of possible vaccination reactions. The tertiary outcome is a potential association between VZV immune responses and clinical protection against shingles.

Ethics and dissemination

Ethical approval was issued on 07/11/2022 by the Ethics Committee Essen, Germany (number 22-10805-BO). Findings will be published in peer-reviewed open-access journals and presented at local, national and international conferences.

Trial registration number

German Clinical Trials Registry (number DRKS00030683).

Effectiveness of chlorhexidine versus povidone‐iodine for preventing surgical site wound infection: A meta‐analysis

Abstract

A systematic evaluation was conducted to assess the efficacy of two disinfectants, chlorhexidine and povidone-iodine, as primary components in preventing surgical site infection (SSI). A comprehensive computerised search was performed in the PubMed, EMBASE, Web of Science, Cochrane Library, CNKI and Wanfang databases for randomised controlled trials (RCTs) on chlorhexidine and povidone-iodine disinfection for the prevention of SSI from inception until July 2023. Two independent researchers completed literature screening, data extraction and quality assessment of the included studies. The meta-analysis was conducted using RevMan 5.4 software. Ultimately, 20 RCTs were included, which included 13 133 patients, with 6460 patients in the chlorhexidine group and 6673 patients in the povidone-iodine group. The meta-analysis results revealed that the incidence rate of surgical site wound infections [odds ratio (OR): 0.67, 95% confidence interval (CI): 0.58–0.78, p < 0.001)], superficial SSI rate (OR: 0.59, 95% CI: 0.46–0.75, p < 0.001) and deep SSI rate (OR: 0.49, 95% CI: 0.31–0.79, p = 0.003) were all lower in patients subjected to chlorhexidine disinfection compared to those patients receiving povidone-iodine disinfection. Existing evidence suggests that chlorhexidine is more effective than povidone-iodine at preventing SSI. However, owing to the potential quality limitations of the included studies, further validation through high-quality large-scale RCTs is warranted.

The application of infrared thermography technology in flap: A perspective from bibliometric and visual analysis

Abstract

The application of infrared thermography technology (IRT) in flap has become a major focus of research, as it provides a non-invasive, real-time, and quantitative approach for monitoring flap perfusion. In this regard, we conducted a comprehensive visualization and scientometric analysis to systematically summarize and discuss the current state of research in this field. We systematically reviewed publications on the application of IRT in flap procedures from 1999 to 2022, using the Web of Science Core Collection (WoSCC). Through scientometric analysis, we examined annual trends, affiliations, countries, journals, authors, and their relationships, providing insights into current hotspots and future developments in this area. We analysed 522 English studies and found a steady increase in annual publications. The United States and Germany had the highest publication rates, with Beth Israel Deaconess Medical Center and Shanghai Jiaotong University being leading institutions. Notably, Lee BT and Alex Keller emerged as influential authors in this field. Compared to existing techniques, infrared-based technology offers significant advantages for non-invasive monitoring of flap perfusion, including simplicity of operation and objective results. Future trends should focus on interdisciplinary collaborations to develop new infrared devices and achieve intelligent image processing, enabling broader application in various clinical scenarios. This bibliometric study summarizes the progress and landscape of research on ‘the Application of infrared thermography technology in flap’ over the past two decades, providing valuable insights and serving as a reliable reference to drive further advancements and spark researchers' interest in this field.

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