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Ayer — Octubre 2nd 2025Tus fuentes RSS

Barriers and Enablers to Pre‐Registration Nurses Providing Safe Care for Individuals Experiencing Suicidal Distress: A Scoping Review

ABSTRACT

Aims

To identify research gaps by mapping what is known about the barriers and enablers to pre-registration nursing students identifying signs of suicidal distress in healthcare consumers and providing clear pathways of support.

Design

Scoping review.

Methods

This scoping review was conducted using Arksey and O'Malley's (2005) five stage framework and the Levec et al. (2010) extensions of this framework.

Data Sources

The Cumulative Index of Nursing and Allied Health Literature (CINAHL) Complete and Ovid MEDLINE databases were searched to identify relevant articles, keywords and search terms to inform the full search strategy for CINAHL. This search strategy was then adapted for Scopus, PsychInfo, Emcare, Medline and ERIC, searched in November 2024.

Results

Studies eligible for inclusion (N = 28) represented research from 14 countries; most (53.5%, n = 15) used a quantitative design, 11 (39.3%) were qualitative and two (7.1%) used a mixed-methods design. Barriers found from the scoping review included a low level of knowledge of suicidality, stigma preventing students from assessing and acting on suicidal ideation, and a lack of confidence in providing care to healthcare consumers expressing suicidality. Enablers included lived experience, exposure to individuals expressing suicidal ideation and education, simulation and role play. This review also contributes to the existing literature about the relationship of nursing to existing suicide prevention frameworks and suggests revision of these frameworks to address staff attitudes and beliefs, as well as lived and living experience.

Conclusion

Nurses are ideally placed to assess and respond to suicidality among healthcare consumers, and preparation should begin during pre-registration studies. Our scoping review indicates that further research work is needed to address the barriers to working with healthcare consumers expressing suicidality and to enhance the enablers to provide safe care.

Implications for the Profession and/or Patient Care

Addressing the barriers and enablers to pre-registration nursing students providing safe care for healthcare consumers expressing suicidality is essential. Further research is required to address the barriers and enhance the enablers identified in this scoping review.

Impact

What problem did the study address? This scoping review summarised the literature on pre-registration student ability to work with healthcare consumers expressing suicidality, identifying barriers and enablers. What were the main findings? Barriers include poor knowledge of suicidality, stigma, fear and a lack of confidence in working with healthcare consumers expressing suicidality. Enablers include lived experience, exposure to clinical settings where healthcare consumers express suicidality and simulation and education. Where and on whom will the research have an impact? The research will have an impact on providers of pre-registration nursing degrees, where the inclusion of content addressing suicidality and exposure to settings where individuals express suicidal ideation is shown to improve attitudes and knowledge of suicidality assessment.

Reporting Method

PRISMA checklist for scoping reviews.

Patient or Public Involvement

This study did not include patient or public involvement in its design, conduct or reporting.

Efficacy of a mobile app-based intervention to improve eating behaviours and lifestyle in infants of mothers with metabolic risk factors: study protocol of a randomised controlled trial

Por: Chan · D. · Leong · K. · Ong · C. · Ku · C. W. · Chan · J. K. Y. · Chua · M. C. · Yap · F. · Loy · S. L.
Introduction

Childhood obesity has surged globally, leading to various metabolic comorbidities and increased cardiovascular risks. Early intervention in lifestyle and feeding practices during infancy is crucial to mitigate these risks. This study evaluates the efficacy of a mobile web app-based intervention tool, named the Feeding, Lifestyle, Activity Goals (FLAGs) to promote healthier eating behaviours and lifestyle habits in infants from birth to 12 months.

Methods and analysis

This two-arm randomised controlled trial will enrol 220 caregiver-infant pairs per arm at KK Women’s and Children’s Hospital, Singapore, with recruitment expected from January to December 2025. Eligible participants include women at ≥34 weeks’ gestation or up to 3 days post delivery with pre-pregnancy overweight/obesity (body mass index (BMI) >23 kg/m2) and/or a diagnosis of diabetes. Caregiver-infant pairs will be randomised to the FLAGs intervention or control group. Over 12 months, both groups will receive standard infant care. The intervention group will undergo regular assessments via the FLAGs web app built-in assessment tool, assessing infant feeding practices, sedentary behaviour and physical activity. The intervention group will also receive FLAGs personalised guidance and weekly digital nudges. Maternal and infant data will be collected at baseline and at 12 months. Primary outcomes are infant BMI, weight-for-length and body composition at 12 months. Secondary outcomes include lifestyle behaviours and eating habits assessed through validated questionnaires when the infants are 1 year old. We will perform both intention-to-treat and per protocol analysis.

Ethics and dissemination

Ethical approval has been obtained from the SingHealth Centralised Institutional Review Board (Ref: 2024/3224). Written informed consent will be obtained from all participants. Study findings will be disseminated via peer-reviewed publications and academic conferences, with de-identified data available on reasonable request. This trial is registered on ClinicalTrials.gov (ID: NCT06457750).

Trial registration number

NCT06457750.

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Perceptions of Trans and Gender Non‐Conforming People on General Health Care in the Being LGBTQI+ in Ireland Study

ABSTRACT

Aim

To examine if trans and gender non-conforming participants perceive greater healthcare inequities in their interactions with healthcare practitioners than cisgender sexual minority participants, and analyse free text responses from transgender and gender non-conforming participants to gain possible insight into causes of inequities.

Design

A cross-sectional study.

Methods

An anonymous online survey of over 2800 self-selecting LGBTQI+ participants, 30% of whom identified as trans and gender non-conforming. The research team devised closed and open-ended questions about perceptions of healthcare provision and analysed quantitative responses using SPSS and open-ended data through thematic analysis.

Results

Over half of trans and gender non-conforming participants reported having had occasion to educate healthcare professionals about LGBTQI+ identities and a majority reported that healthcare professionals made incorrect assumptions about their LGBTQI+ identity. Invalidation and pathologisation of participants' trans and gender non-conforming identity and unhelpful therapeutic approaches were some of the negative health experiences cited.

Conclusion

Trans and gender non-conforming populations experience significant barriers to healthcare relative to their cisgender sexual minority peers. Cisnormative thinking in healthcare practice together with a lack of knowledge of trans and gender non-conforming people's experiences leads to substandard care and acts as a barrier to disclosure and help seeking.

Implications

Culturally responsive healthcare is critical to ending health inequities experienced by trans and gender non-conforming people.

Impact

Problem addressed: Healthcare inequities among trans and gender non-conforming participants.

Main findings: Trans and gender non-conforming participants reported more negative perceptions of their healthcare experiences compared to cisgender sexual minority participants.

Where and on whom will the research have an impact? Healthcare educators/practitioners.

Reporting Method

Strobe.

Public or Patient Contribution

Members of the LGBTQI+ community were part of the research advisory group and inputted into paper authorship.

Paper Contribution to the Wider Global Clinical Community

Highlights the need for training to increase cultural competency among healthcare providers.

Trajectories of Recovery after Intravenous propofol versus inhaled VolatilE anaesthesia (THRIVE) randomised controlled trial in the USA: A protocol

Por: Tellor Pennington · B. R. · Janda · A. M. · Colquhoun · D. A. · Neuman · M. D. · Kidwell · K. M. · Spino · C. · Thelen-Perry · S. · Krambrink · A. · Huang · S. · Ignacio · R. · Wu · Z. · Swisher · L. · Cloyd · C. · Vaughn · M. T. · Pescatore · N. A. · Bollini · M. L. · Mashour · G. A.
Introduction

Millions of patients receive general anaesthesia every year with either propofol total intravenous anaesthesia (TIVA) or inhaled volatile anaesthesia (INVA). It is currently unknown which of these techniques is superior in relation to patient experience, safety and clinical outcomes. The primary aims of this trial are to determine (1) whether patients undergoing (a) major inpatient surgery, (b) minor inpatient surgery or (c) outpatient surgery have a superior quality of recovery after INVA or TIVA and (2) whether TIVA confers no more than a small (0.2%) increased risk of definite intraoperative awareness than INVA.

Methods and analysis

This protocol was co-created by a diverse team, including patient partners with personal experience of TIVA or INVA. The design is a 13 000-patient, multicentre, patient-blinded, randomised, comparative effectiveness trial. Patients 18 years of age or older, undergoing elective non-cardiac surgery requiring general anaesthesia with a tracheal tube or laryngeal mask airway will be eligible. Patients will be randomised 1:1 to one of two anaesthetic approaches, TIVA or INVA, using minimisation. The primary effectiveness endpoints are Quality of Recovery-15 (QOR-15) score on postoperative day (POD) 1 in patients undergoing (1) major inpatient surgery, (2) minor inpatient surgery or (3) outpatient surgery, and the primary safety endpoint is the incidence of unintended definite intraoperative awareness with recall in all patients, assessed on POD1 or POD30. Secondary endpoints include QOR-15 score on POD0, POD2 and POD7; incidence of delirium on POD0 and POD1; functional status on POD30 and POD90; health-related quality of life on POD30, POD90, POD180 and POD365; days alive and at home at POD30; patient satisfaction with anaesthesia at POD2; respiratory failure on POD0; kidney injury on POD7; all-cause mortality at POD30 and POD90; intraoperative hypotension; moderate-to-severe intraoperative movement; unplanned hospital admission after outpatient surgery in a free-standing ambulatory surgery centre setting; propofol-related infusion syndrome and malignant hyperthermia.

Ethics and dissemination

This study is approved by the ethics board at Washington University, serving as the single Institutional Review Board for all participating sites. Recruitment began in September 2023. Dissemination plans include presentations at scientific conferences, scientific publications, internet-based educational materials and mass media.

Trial registration number

NCT05991453.

Reducing syndemics of non-communicable chronic diseases in Mayan Indigenous population through community-based participatory research: a mixed-methods study protocol

Background

Indigenous Mayan-Yucatecan communities in Mexico have a high prevalence of chronic non-communicable diseases (NCDs) such as diabetes, hypertension, obesity and rheumatic diseases (RMDs). According to the syndemic theory, these diseases combined with social, economic and cultural factors affect the quality of life. The aim of this protocol is to describe the methodological process to create, implement and evaluate a Syndemic-Based Care Model (SCM), using a Community Based-Participatory Research (CBPR) strategy in three Mayan-Yucatecan communities.

Methods and analysis

This is a convergent mixed-methods protocol. The quantitative component is a before-after study, and the qualitative component is an ethnographic study. The intervention will be a SCM co-constructed with Mayan communities based on their particular needs and aiming for reduction of the negative impact of NCD/RMD through a multidisciplinary approach. We will follow four phases of the CBPR: (1) situational analysis, through community censuses and semistructured interviews to understand the prevalence of NCDs and the syndemics in these communities; (2) co-construction of the elements of a SCM based on the health priorities identified by researchers, community members and healthcare workers; (3) implementation of this SCM and (4) evaluation of the SCM through (1) statistical analyses involving the construction of a syndemic index through stepwise logistic regression of the normalised and standardised key clinical, social and economic variables; interval and ratio variables will be normalised by their z-score and categorical variables will be one-hot encoded; similarity and social networks analysis with clustering to identify syndemic subpopulations; and cost-effectiveness and cost-utility analyses using Markov modelling and (2) narrative and thematic qualitative analysis of the SCM’s implementation and impact on community members’ health, function and quality of life.

Ethics and dissemination

Research ethics boards of participant institutions approved this research protocol. This project will be presented to municipal authorities, community meetings and community leaders for observation and acceptance. For people who wish to participate, informed consent will be provided written and verbally in Spanish or Mayan-Yucatecan according to the participant preferences, and it can be signed by either autograph or fingerprint. The results of this research will be disseminated to various groups: (a) local and regional authorities of the Mexican health system and municipal authorities; (b) the participating communities will be informed in an assembly of the results and (c) academic dissemination will be done through publications in public science journals and institutional press releases and will also be presented at national and international congresses or symposia.

Behaviour change interventions addressing patient antibiotic treatment-seeking behaviour for respiratory tract infections in primary and community care settings: a scoping review

Por: Maher · A. · Roche · K. · Morrissey · E. · Murphy · A. · Sheaf · G. · Ryan · C. · Molloy · G. J.
Objectives

This scoping review aimed to map studies on behaviour change interventions that address antibiotic treatment-seeking behaviour for respiratory tract infections in primary and community care settings.

Design

This review is based on the Joanna Briggs Institute guidelines for scoping reviews, guided by the Preferred Reporting Items for Systematic Reviews and Meta-Analyses extension for Scoping Reviews.

Data sources

A literature search in January 2024 and May 2024 was performed across Medline, Embase, CINAHL, PsycINFO, Web of Science Core Collection, Scopus, EThOS and Google Scholar was performed.

Eligibility criteria

Eligible studies described behaviour change interventions in primary and community care settings, published from 2000 onward across all countries.

Data extraction and synthesis

Descriptive data relating to study details and intervention functions were gathered and organised according to the Capability, Opportunity, Motivation and Behaviour change framework in a predeveloped data extraction sheet. Dual data extraction occurred, and inter-rater reliability results are reported (K=0.83).

Results

The scoping review identified 38 eligible studies, which consisted of randomised controlled trials (7/38), cluster randomised controlled trials (6/38), randomised experiments (5/38), cross-sectional studies (5/38), qualitative investigations (5/38) and quasi-experimental designs (4/38). Most interventions focused on educational resources (15/38), digital tools (7/38) and community campaigns (6/38), with fewer targeting decision-making processes (4/38) or psychological drivers of antibiotic-seeking behaviour (3/38). Only one study was conducted in low-income and middle-income countries, and only one separately assessed behaviour change as a measured outcome.

Conclusions

This scoping review highlights a wide range of research methodologies within the topic area. There was some limited evidence of intervention efficacy for antibiotic prescription rates, particularly interventions focused on enhancing knowledge and access to resources. However, more emphasis is needed on standardising outcome measures and evaluating long-term outcomes.

Identification of novel genetic, neurobiological and radio-anatomical biomarkers for risk stratification of sudden unexpected death in infancy and early childhood: the BIOMINRISK study protocol

Por: Ducloyer · M. · Baruteau · A.-E. · Franco · P. · Guyon · A. · Sapin · V. · Karakachoff · M. · Savall · F. · Schott · J.-J. · de Pontual · L. · De Visme · S. · Ferrand · L. · Jarry · B. · Beudin · D. · Scherdel · P. · Lorton · F.
Introduction

The BIOMINRISK project is a national French study aimed at identifying novel biomarkers associated with sudden unexpected death in infancy (SUDI) through a multidisciplinary approach encompassing three key components of intrinsic vulnerability to SUDI: genetic, neurobiological and radio-anatomical. A better understanding of the pathophysiological mechanisms underlying SUDI may enhance the personalisation of prevention strategies and contribute to reducing its incidence.

Methods and analysis

We will analyse data from 250 children under the age of 2 included in the national SUDI registry (the OMIN registry) since 2020 for which biological samples and medical imaging data will have been collected from 15 participating French hospitals. Our investigations will focus on three axes: (1) genetic: we will conduct whole genome sequencing family trio analyses to identify novel variants and genes associated with sudden infant death syndrome (SIDS) by examining SIDS cases along with their two parents; (2) neurobiological: a case-control study will be performed to investigate the roles of various neuromodulators—including serum serotonin, blood butyrylcholinesterase and cerebrospinal fluid orexin—in the arousal regulation in children who have died from SUDI. We will recruit 250 living age-matched and sex-matched controls who will undergo blood tests and lumbar punctures as part of their routine care and (3) radio-anatomical: a case-control study will explore the potential anatomical predisposition to SUDI by assessing upper airway narrowness. We will compare the osseous structures of the upper airways (nasal fossae, hard palate) using geometric morphometrics on CT images. Recruitment of 250 living age-matched and sex-matched controls who have undergone brain CT scans, including facial bones, will be conducted.

Ethics and dissemination

The study has received ethics approval for all three axes. Results will be published in international peer-reviewed journals and presented at national and international conferences.

Trial registration number

NCT06244433.

Comparative analysis of HIV data completeness in Haitis iSante Plus Electronic Medical Record system across children, adolescents and adults: a cross-sectional evaluation of 2016-2022 data

Por: Odeny · B. · Honore · J. G. · Balan · J. G. · Hughes · J. P. · Wagenaar · B. · Gloyd · S. · Celestin · K. · Elisma · M. · Francois · K. · Puttkammer · N.
Objective

To evaluate and compare documentation completeness of HIV-related data by age group (children, adolescents and adults) in Haiti’s Electronic Medical Record (EMR) system.

Design

Cross-sectional evaluation.

Setting

EMR data for 36 965 enrolment visits, and 123 608 return visits from 58 facilities in Haiti (from 2016 to 2022).

Participants

Children, adolescents and adults accessing HIV care and treatment services in Haiti.

Main exposure measure

Health facility attendance for HIV-related healthcare.

Main outcome measure

Level of data completeness, as a measure of data quality. We developed Composite Completeness Scores (CCS scores) to measure data completeness. Lower scores meant lower completeness. Generalised linear models were used to investigate factors associated with completeness.

Results

At the enrolment visit, most patients were adults (81.6%) and female (56.7%). Most facilities were health centres (75.9%). The overall average enrolment visit CCS score was 54.0%. At enrolment, being a child (CCS score difference=–7.08, 95% CI: –11.31 to –2.86) and a more recent year of enrolment (–6.01, 95% CI: –11.69 to –0.33) were significantly associated with lower completeness scores than being an adult and having an earlier year of enrolment, respectively. The overall average return visit CCS score was 49.6%. At the return visit, children (–6.76, 95% CI: –10.07 to –3.45) had significantly lower average completeness scores than adults. For first viral load documentation, children had lower odds of completeness compared with adults (adjusted OR=0.21, 95% CI: 0.16 to 0.28). Sex, year of enrolment, facility ownership (public, private, mixed), total patient volume and duration of EMR use were not significantly associated with completeness of documentation at the enrolment and return visits.

Conclusions

We observed disparities in electronic data completeness by age group, which may be indicative of digital health disparities. Documentation was particularly poor among children and declined over time for enrolment visits. Further research is needed to understand and address these documentation gaps.

Healthcare professionals and patients views and experiences of surgical and medical treatment for nasal obstruction: a qualitative interview study for a Nasal Airway Obstruction Study (NAIROS)

Por: Lloyd · K. E. · Wilson · C. · Carrie · S. · Rooshenas · L. · Wilson · J. A. · Hamilton · D. · Clark · E. · Rousseau · N.
Objectives

To understand healthcare professionals’ and patients’ views and experiences of septoplasty and medical management (ie, nasal steroid and saline sprays) for nasal obstruction.

Design

Nested qualitative study as part of the Nasal Airway Obstruction Study (NAIROS) trial. We used in-depth interviews to develop a coding framework based on thematic analysis.

Setting

NAIROS was a trial based in the UK from January 2018 to December 2020 that aimed to compare the effectiveness of septoplasty versus medical management.

Participants

We purposively sampled and interviewed 14 healthcare professionals (surgeons, research nurses) and 31 patients involved in the NAIROS trial across 14 UK hospital sites.

Results

In usual practice, surgeons’ decisions regarding treatment for nasal obstruction are based on a complex assessment of patients’ symptoms, history and anatomy. Surgeons viewed septoplasty as a complex although routine operation, which is not guaranteed to improve symptoms of nasal obstruction. Some patients saw septoplasty, intuitively, as a ‘fix’ for a bent septum, whereas others were keen to avoid surgery if possible. Healthcare professionals welcomed the increased use of standard measurements if these were shown to provide a reliable guide to patient outcomes. However, they felt that it was important to retain an element of clinical judgement. Despite generally good outcomes from septoplasty, some patients still felt they had received little to no benefit from the operation. Patients also reported being underprepared for postsurgery recovery. Experiences were more varied with medical management, with some experiencing symptom improvement, but others discontinuing treatment due to difficulty or pain using the sprays, or perceived ineffectiveness. Remembering to use the sprays could be perceived as burdensome, although most patients were able to incorporate this into their daily routines.

Conclusions

Our qualitative study demonstrated varied individual experiences among patients undergoing septoplasty and medical management. Surgeons welcomed more standard measurements to guide decision-making for septoplasty. For patients, better information about treatment mechanisms, treatment delivery and aftercare, and the development of decision support tools would enable shared decision-making and help to provide optimal patient experience of the treatments.

Trial registration number

ISRCTN16168569.

Point-of-caRE DiagnostICs for respiraTOry tRact infectionS (PREDICTORS) study: developing guidance for using C-reactive protein point-of-care tests in the management of lower respiratory tract infections in primary care using a Delphi consensus technique

Por: OShea · J. · Hughes · C. · Molloy · G. J. · Cadogan · C. · Vellinga · A. · Fahey · T. · Ryan · C.
Objective

Antimicrobial resistance is a significant global health challenge, exacerbated by unnecessary antibiotic prescribing. Respiratory tract infections (RTIs) are common reasons for antibiotic prescribing in primary care, despite most being viral or bacterial infections that are self-limiting. C-reactive protein (CRP) point-of-care tests (POCTs) are promising tools to support antibiotic stewardship by guiding the management of lower RTIs (LRTIs). The aim of this study was to develop best practice guidance for using CRP POCT in the management of LRTIs in primary care.

Design

Scoping review findings informed guidance statements, which were then evaluated through a three-round Delphi process with an expert panel via web-based questionnaires. Statements focused on intended use, detection of bacterial LRTIs, communication strategies, device features, performance and ease of use of CRP POCT.

Setting and participants

The panel of experts included 19 healthcare professionals across several specialties, including general practitioners, community pharmacists, hospital pharmacists and respiratory physicians.

Main outcome measures

Panellists rated each guidance statement using a 5-point Likert scale, with acceptance, revision or rejection determined using predefined cut-off scores for medians and interquartile ranges. Statements were revised between rounds using the feedback provided by panellists.

Results

In the first round, 49 statements were evaluated; 16 were accepted, nine removed and 24 revised for the second round. Of the 24 statements evaluated in the second round, 17 were accepted and seven were revised. In the third round, consensus was reached on four of the seven statements presented, resulting in 37 final guidance statements. These statements covered key areas, including the appropriate use of CRP POCTs to guide antibiotic prescribing, CRP cut-off values, integration with clinical decision rules, device performance and operational considerations, training requirements and financial reimbursement. The panel emphasised the need for structured guidelines to align CRP POCT use with clinical context and highlighted its role in improving diagnostic confidence while supporting antibiotic stewardship.

Conclusions

This study provides a set of best practice guidance statements to support the use of CRP POCT in the management of LRTIs in primary care. Dissemination and further research are required to assess their impact.

Nucleolar sequestration of cannabinoid type-2 receptors in triple-negative breast cancer cells

by Linley P. Prado-Celis, Rodrigo Zamora-Cárdenas, Javier Alamilla, Enrique A. Sánchez-Pastor, Tania Ferrer, Eloy G. Moreno-Galindo, Ricardo A. Navarro-Polanco

Multiple investigations have shown that the different types of cannabinoids, phytocannabinoids, synthetic cannabinoids, and endocannabinoids, possess antiproliferative and anticancer properties. The cannabinoid type-2 receptor (CB2R) has been proposed as a central player in tumor progression and has been correlated with the aggressiveness of breast cancer. Using immunocytochemistry and confocal microscopy, in the present work, we studied the expression level and subcellular localization of CB2R in two human triple-negative breast cancer (TNBC) cell lines, corresponding to early (stage I, HCC-1395) and metastatic (MDA-MB-231) stages, and they were compared with a non-tumoral mammary epithelial cell line (MCF-10A). We found that although CB2R was detected at the plasma membrane, it was mainly localized intracellularly, with ~40-fold higher expression in both TNBC cell lines than in MCF-10A (P P P P P 

Primary care providers experience and satisfaction with personalised breast cancer screening risk communication: a descriptive cross-sectional study

Por: Omeranovic · A. · Lapointe · J. · Fortier · P. · Bergeron · A.-S. · Dorval · M. · Chiquette · J. · Boubaker · A. · Eloy · L. · Turgeon · A. · Lambert-Cote · L. · Joly · Y. · Brooks · J. D. · Walker · M. J. · Stockley · T. · Pashayan · N. · Antoniou · A. · Easton · D. · Chiarelli · A. M.
Objective

To describe primary care providers’ (PCPs) experience and satisfaction with receiving risk communication documents on their patient’s breast cancer (BC) risk assessment and proposed screening action plan.

Design

Descriptive cross-sectional study.

Setting

A survey was distributed to all 763 PCPs linked to 1642 women participating in the Personalized Risk Assessment for Prevention and Early Detection of Breast Cancer: Integration and Implementation (PERSPECTIVE I&I) research project in Quebec, approximately 1–4 months after the delivery of the risk communication documents. The recruitment phase took place from July 2021 to July 2022.

Participants

PCPs.

Main outcome measures

Descriptive analyses were conducted to report participants’ experiences and satisfaction with receiving risk communication. Responses to two open-ended questions were subjected to content analysis.

Results

A total of 168 PCPs answered the survey, from which 73% reported being women and 74% having more than 15 years of practice. Only 38% were familiar with the risk-based BC screening approach prior to receiving their patient risk category. A majority (86%) agreed with the screening approach and would recommend it to their patients if implemented at the population level. A majority of PCPs also reported understanding the information provided (92%) and expressed agreement with the proposed BC screening action plan (89%). Some PCPs recommended simplifying the materials, acknowledging the potential increase in workload and emphasising the need for careful planning of professional training efforts.

Conclusion

PCPs expressed positive attitudes towards a risk-based BC screening approach and were generally satisfied with the information provided. This study suggests that, if introduced in Canada in a manner similar to the PERSPECTIVE I&I project, risk-based BC screening would likely be supported by most PCPs. However, they emphasised the importance of addressing concerns such as professional training and the potential impact on workload if the approach were to be implemented at the population level. Future qualitative studies are needed to further explore the training needs of PCPs and to develop strategies for integrating this approach with the high workloads faced by PCPs.

Mis-splicing drives loss of function of p53<sup>E224D</sup> point mutation

by Ian C. Lock, Nathan H. Leisenring, Warren Floyd, Eric S. Xu, Lixia Luo, Yan Ma, Erin C. Mansell, Diana M. Cardona, Chang-Lung Lee, David G. Kirsch

Background

The tumor suppressor p53 (Trp53), also known as p53, is the most commonly mutated gene in cancer. Canonical p53 DNA damage response pathways are well characterized and classically thought to underlie the tumor suppressive effect of p53. Challenging this dogma, mouse models have revealed that p53-driven apoptosis and cell cycle arrest are dispensable for tumor suppression. Here, we investigated the inverse context of a p53 mutation predicted to drive the expression of canonical targets but is detected in human cancer.

Methods

We established a novel mouse model with a single base pair mutation (GAG>GAT, p53E221D) in the DNA-Binding domain that has wild-type function in screening assays, but is paradoxically found in human cancer in Li-Fraumeni syndrome. Using mouse p53E221D and the analogous human p53E224D mutants, we evaluated expression, transcriptional activation, and tumor suppression in vitro and in vivo.

Results

Expression of human p53E224D from cDNA translated to a fully functional p53 protein. However, p53E221D/E221D RNA transcribed from the endogenous locus is mis-spliced resulting in nonsense-mediated decay. Moreover, fibroblasts derived from p53E221D/E221D mice do not express a detectable protein product. Mice homozygous for p53E221D exhibited increased tumor penetrance and decreased life expectancy compared to p53WT/WT animals.

Conclusions

Mouse p53E221D and human p53E224D mutations lead to splice variation and a biologically relevant p53 loss of function in vitro and in vivo.

Effect of Nursing Practice Environment, Nurse Staffing, Overtime and Hand Hygiene on Hospital‐Acquired Infections in a Tertiary Teaching Hospital

ABSTRACT

Aims

To investigate the impact of the nursing practice environment, nurse staffing, working overtime and compliance with hand hygiene standards on hospital-acquired infections.

Design

A multi-source quantitative study.

Methods

Nursing data were collected from selected wards in one hospital between 18 January 2021 and 15 March 2021. Hand hygiene compliance data were obtained retrospectively from Hand Hygiene Australia Audits between July 2018 and June 2021. Patient data were gathered from July 2018 to June 2021. Data from the three sources were linked together at the episode of care level. Descriptive statistics were used to summarise participant characteristics, and multiple logistic regression was employed to assess associations between the nursing practice environment, nurse staffing, overtime and hand hygiene with hospital-acquired infections.

Results

A total of 361 nurses participated in the nursing survey. There were 13,440 hand hygiene moments assessed, and 10,924 (81.3%) correct practices were observed. There were 71,257 patient care episodes, including 2037 with hospital-acquired infections. The odds of hospital-acquired infections decreased by 19% for every 10% increase in nurses' compliance with hand hygiene and decreased by 7% for each one standard deviation increase in the nursing practice environment scale. Each additional patient per nurse was associated with a 42% increase in the odds of a hospital-acquired infection.

Conclusion

This study found evidence that a favourable nursing practice environment, reduced nurse workload and compliance with hand hygiene are linked to a lower risk of hospital-acquired infections.

Impact

A favourable nursing practice environment contributes to fewer hospital-acquired infections. Monitoring of hand hygiene compliance provides important local information to support improvements in practice. Findings from this study can be used to support the implementation of safe nurse staffing policies that guide implementation of nurse-to-patient ratios.

Reporting Method

RECORD Checklist.

Patient or Public Contribution

No Patient/Public Contribution.

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