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Linguistic dissection of nursing handoffs: Implications for patient safety in varied‐acuity hospital settings

Abstract

Aim

This study examines the intricate language and communication patterns of nurse-to-nurse handoffs across three units with varying patient acuity levels and nurse–patient ratios, seeking to identify linguistic factors that may affect the quality of information transfer and patient outcomes.

Design

A mixed-methods cross-sectional design.

Methods

This study used the Nurse-to-Nurse Transition of Care Communication Model to explore the content and meaning of language in nursing handoffs within a large academic medical centre. Data were collected on three units through digital audio recordings of 20 handoffs between June and September 2022, which were transcribed and analysed using the Linguistic Inquiry Word Count programme. Trustworthiness was established by adhering to COREQ and STROBE guidelines for qualitative and quantitative research, respectively.

Results

Analysis revealed a preference for casual, narrative language across all units, with ICU nurses demonstrating a higher confidence and leadership in communication. Cognitive processes such as insight and causation were found to be underrepresented, indicating a potential area for miscommunication. Communication motives driven by affiliation were more pronounced in ICU settings, suggesting a strong collaborative nature. No significant differences were observed among the units post multiple testing adjustments. Speech dysfluencies were most pronounced in ICU handoffs, reflecting possible stress and cognitive overload.

Conclusion

The study highlights the need for improved communication strategies such as interventions to enhance language clarity and incorporating technological tools into handoff processes to mitigate potential miscommunications and errors. The findings advance nursing science by highlighting the critical role of nuanced language in varied-acuity hospital settings and the necessity for structured nurse education in handoff communication and standardized handoff procedures.

Implications for the profession and patient care

This study underscores the critical role of language in nurse-to-nurse handoffs. It calls for enhanced communication strategies, technology integration and training to reduce medical errors, improving patient outcomes in high-acuity hospital settings.

Patient or Public Contribution

Nurses only.

The application of antimicrobial stewardship knowledge to nursing practice: A national survey of United Kingdom pre‐registration nursing students

Abstract

Aim

To assess student nurses understanding and skills in the application of antimicrobial stewardship knowledge to practice.

Design

Quantitative.

Methods

Cross-sectional survey.

Results

Five hundred and twenty three student nurses responded across 23 UK universities. Although students felt prepared in competencies in infection prevention and control, patient-centred care and interprofessional collaborative practice, they felt less prepared in competencies in which microbiological knowledge, prescribing and its effect on antimicrobial stewardship is required. Problem-based learning, activities in the clinical setting and face-to-face teaching were identified as the preferred modes of education delivery. Those who had shared antimicrobial stewardship teaching with students from other professions reported the benefits to include a broader understanding of antimicrobial stewardship, an understanding of the roles of others in antimicrobial stewardship and improved interprofessional working.

Conclusion

There are gaps in student nurses' knowledge of the basic sciences associated with the antimicrobial stewardship activities in which nurses are involved, and a need to strengthen knowledge in pre-registration nurse education programmes pertaining to antimicrobial management, specifically microbiology and antimicrobial regimes and effects on antimicrobial stewardship. Infection prevention and control, patient-centred care and interprofessional collaborative practice are areas of antimicrobial stewardship in which student nurses feel prepared. Interprofessional education would help nurses and other members of the antimicrobial stewardship team clarify the role nurses can play in antimicrobial stewardship and therefore maximize their contribution to antimicrobial stewardship and antimicrobial management.

Implications for the Profession

There is a need to strengthen knowledge from the basic sciences, specifically pertaining to antimicrobial management, in pre-registration nurse education programmes.

Patient or Public Contribution

No patient or public contribution.

Impact

What Problem Did the Study Address?

Nurses must protect health through understanding and applying antimicrobial stewardship knowledge and skills (Nursing and Midwifery Council 2018); however, there is no research available that has investigated nurses understanding and skills of the basic sciences associated with the antimicrobial stewardship activities in which they are involved.

What Were the Main Findings?

There are gaps in student nurses' knowledge of the basic sciences (specifically microbiology and prescribing) associated with the antimicrobial stewardship activities in which nurses are involved. Problem-based learning, and activities in the clinical setting, were reported as useful teaching methods, whereas online learning, was seen as less useful.

Where and on Whom Will the Research Have an Impact?

Pre-registration nurse education programmes.

Reporting Method

The relevant reporting method has been adhered to, that is, STROBE.

Factors affecting environmental sustainability attitudes among nurses – Focusing on climate change cognition and behaviours: A cross‐sectional study

Abstract

Aims

To investigate the relationship between climate change cognition and behaviours (awareness, concern, motivation, behaviours at home and behaviours at work), positive and negative future cognition, and environmental sustainability attitudes in nurses and to identify the factors affecting environmental sustainability attitudes.

Design

A cross-sectional study.

Methods

In total, 358 nurses currently working in tertiary hospitals in Korea were recruited. Data were collected using an online questionnaire link from 1 August to 7 August 2022. Climate change cognition and behaviours were measured using the Korean version of the Climate, Health, and Nursing Tool. Positive and negative future cognition were measured using the Korean version of the Future Event Questionnaire. Environmental sustainability attitude was measured using the Korean version of the Sustainability Attitudes in Nursing Survey-2. Multiple regression analysis was used to identify the factors affecting environmental sustainability attitudes.

Results

Motivation, concern and behaviours at work were factors affecting environmental sustainability attitudes. Motivation was a pivotal influencing factor. Better scores for environmental sustainability attitudes were specifically correlated with higher scores for motivation, concern and behaviours at work.

Conclusions

Nurses' motivation, climate change concern and pro-environmental workplace practices should all be considered to improve their attitudes towards environmental sustainability.

Implications for the Profession and/or Patient Care

To enhance nurses' environmental sustainability attitudes and behaviours, nurse educators must educate them to increase their motivation for climate action.

Impact

Nurses are increasingly expected to contribute to environmental sustainability. Hence, awareness of climate change and environmental sustainability among nurses must be improved, and nursing engagement and action encouraged. Nurse educators and managers should explore barriers to pro-environmental behaviour engagement among nurses, examine workplace cultures that encourage pro-environmental behaviours and develop policies/regulations to develop more environmentally sustainable workplaces.

Reporting Method

We adhered to the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) guidelines.

Patient or Public Contribution

Neither patients nor the public were involved in our research's design, conduct, reporting or dissemination plans. The nurses partook in this study exclusively as research participants and were not involved in any research process.

Experience of diet in patients with inflammatory bowel disease: A thematic synthesis of qualitative studies

Abstract

Aim

To synthesise the dietary expesriences of patients with inflammatory bowel disease by reviewing relevant qualitative studies.

Background

Diet plays a crucial role in the development and progression of inflammatory bowel disease (IBD). There is no specific diet that can be recommended for all patients. We conducted a synthesis of qualitative studies to gain a comprehensive understanding of the dietary management experience of patients with IBD, aiming to provide better dietary guidance in the future.

Design

A qualitative synthesis was conducted following the Thomas and Harden method and reported following the ENTREQ statement.

Methods

Qualitative studies were systematically searched in five electronic databases: PubMed, PsycINFO, Embase, CINAHL, and Web of Science. There was no time limit for publication, and all database searches were up to 10 May, 2023. The Joanna Briggs Institute Qualitative Assessment and Review Instrument was utilised to appraise the quality of the included studies. Data for inclusion in articles were extracted and analysed using a thematic synthesis method.

Results

Six studies involving 119 patients were eventually included. The studies were conducted in six different countries. Four major themes were identified: the diet of patients with IBD is completely different from the normal one; manage symptoms and live with the disease by modifying diet; psychological adjustment to eating (be frustrated; worried and afraid; feel ashamed; growth and resilience); barriers and challenges (barriers from perceived social support; conflicts between diet and nutrition; challenges from food hedonism and cravings).

Conclusions

Patients with IBD highlighted the distinction between their diet and the normal diet. Dietary modifications were used as a way to manage symptoms and live with the disease. In addition to physical symptoms, patients experienced diet-related psychological changes. Dietary modifications in patients with IBD encounters difficulties and challenges, necessitating prompt guidance and intervention.

(1) The implementation of dietary modifications in patients with IBD encounters numerous obstacles and complexities, necessitating prompt guidance and intervention.

Patient or Public Contribution

No patient or public contribution.

Registration

The protocol was registered with PROSPERO (CRD42023391545).

Exploration of decision aids to support advance care planning: A scoping review

Abstract

Background

Advance care planning is a process through which people communicate their goals and preferences for future medical care. Due to the complexity of the decision-making process, decision aids can assist individuals in balancing potential benefits and risks of treatment options.

Objective

While decision aids have the potential to better promote advance care planning, their characteristics, content and application effectiveness are unclear and lack systematic review. Therefore, we aimed to explore these three aspects and establish a foundation for future research.

Design

Scoping review.

Methods

This scoping review adheres to the framework proposed by Arksey and O'Malley and the PRISMA-ScR list. Six English-language databases were systematically searched from the time of construction until 1 December 2023. Two researchers conducted the article screening and data extraction, and the extracted data was presented in written tables and narrative summaries.

Results

Of the 1479 titles and abstracts, 20 studies fulfilled the inclusion criteria. Types of decision aids were employed, mainly websites and videos. Decision aid's primary components center around 11 areas, such as furnishing information, exploring treatment and care preferences. The main manifestations were a significant increase in knowledge and improved recognition of patients' target value preferences. Among the aids, websites and videos for advance care planning have relatively high content acceptability and decision-making process satisfaction, but their feasibility has yet to be tested.

Conclusions

Decision aids were varied, with content focused on describing key information and exploring treatment and care preferences. Regarding application effects, the aids successfully facilitated the advance care planning process and improved the quality of participants' decisions. Overall, decision aids are efficient in improving the decision-making process for implementing advance care planning in cancer and geriatric populations. In the future, personalised decision aids should be developed based on continuous optimization of tools' quality and promoted for clinical application.

Reporting Method

The paper has adhered to the EQUATOR guidelines and referenced the PRISMAg-ScR checklist.

No Patient or Public Contribution

This is a review without patient and public contribution.

Registration: https://doi.org/10.17605/OSF.IO/YPHKF, Open Science DOI: 10.17605/OSF.IO/YPHKF.

The association of teamwork and missed nursing care in acute care setting: A mixed‐methods systematic review

Abstract

Aim(s)

Teamwork among healthcare professionals is a key aspect of patient safety that influences the prevalence of missed nursing care. The association between teamwork and missed care in acute care hospitals is now well established in the literature. Therefore, this review aimed to synthesise the existing empirical evidence on the association between teamwork and missed care in the acute care setting.

Design

A mixed-method systematic review study.

Methods

The search was carried out in February 2023 in four scientific databases, PubMed, ProQuest, Web of Science and Scopus based on their institutional availability. The search produced 1542 studies. The method of thematic analysis was used in data synthesis.

Results

A total of 18 studies were selected that revealed the relationship between teamwork and missed care. The teamwork score was weak to moderate but significantly associated with the overall score of missed care and was found to be a statistically significant predictor of missed care in an acute care setting. Additionally, teamwork represented an important reason for missed care, primarily in the context of poor communication, lack of trust and cooperation in the nursing team and lack of leadership.

Conclusion

The review findings contribute to a deeper understanding of the intricate dynamics between teamwork and missed care and provide valuable information to healthcare professionals and institutions looking to optimise teamwork and mitigate instances of missed care in the acute care setting.

Implications for the Profession and/or Patient Care

Recognising how teamwork influences the occurrence of missed care, healthcare organisations can strategically implement targeted interventions to enhance collaboration, address communication gaps, foster trust, and provide effective leadership.

Impact

This review suggests that improving teamwork seems to be one of the most important strategies focused on mitigating missed care in acute care settings.

Reporting Method

The reporting of this review followed the PRISMA 2020 checklist.

Patient or Public Contribution

No patient or public contribution.

The effect of home‐based exercise on motor and non‐motor symptoms with Parkinson's disease patients: A systematic review and network meta‐analysis

Abstract

Objective

To evaluate the effects of home-based exercise in Parkinson's disease (PD) patients.

Design

A network meta-analysis of randomized controlled trials.

Methods

This study systematically searched PubMed, MEDLINE, Embase, Cochrane library and Web of Science. The quality of the literature was assessed using the Cochrane Risk of Bias 2.0 criteria. The data were pooled using R software. Results are presented as pooled standardized mean difference (SMD) with 95% confidence interval (CI).

Results

Thirty studies involving 2264 PD patients were included. Meta-analysis results showed that home-based exercise had a small effect in relieving overall motor symptoms in PD patients (SMD: −.28, 95% Crl [−.43; −.14]), improving quality of life (SMD = .15 [.03, .26]), walking speed (SMD = .30 [.04, .56]), balance ability (SMD = .18 [.04, .33]; p < .0001) and finger dexterity (SMD = .28 [.10, .46]). Mixed exercise (Mix) had better effects on improving motor symptoms and quality of life. In addition, the results of dose analysis showed that only mixed exercise exceeding 850 METs-min per week and more than 18 weeks can significantly alleviate the overall motor symptoms of PD patients.

Conclusion

Home-based exercise was an effective form of therapy for alleviating motor symptoms. In addition, Mix appeared to be more suitable for PD patients engaging in home-based exercise. Existing evidence suggested that significant therapeutic effects were achieved with a Mix, with a weekly exercise volume exceeding 850 METs and a duration of more than 18 weeks.

Relevance to Clinical Practice

Home-based exercise had a small effect in relieving overall motor symptoms in PD patients, improving quality of life, walking speed, balance ability and finger dexterity. In terms of exercise dosage, we recommend the exercise period is no less than 18 weeks and the dose per is no less than 850 METs-min. No Patient or Public Contribution.

Relatives' needs in terms of bereavement care throughout euthanasia processes: A qualitative study

Abstract

Aim

To explore relatives' needs in terms of bereavement care during euthanasia processes, how healthcare providers respond to these needs, and the degree of commonality between relatives' and healthcare providers' reports.

Design

A phenomenological design was employed, utilising reflexive thematic analysis to examine interviews conducted with relatives (N = 19) and healthcare providers (N = 47).

Results

Relatives' needs throughout euthanasia processes are presented in five main themes and several subthemes, with similar findings between both sets of participants. Although relatives infrequently communicated their needs explicitly to healthcare providers, they appreciated it when staff proactively met their needs. Healthcare providers aimed to assist with the relatives' grief process by tending to their specific needs. However, aftercare was not consistently offered, but relatives did not have high expectations for professional follow-up care.

Conclusion

Our research offers important directions for healthcare professionals, empowering them to provide needs-based bereavement care during euthanasia processes. Moreover, it emphasises the importance of recognising the unique needs of relatives and proactively addressing them in the period before the loss to positively contribute to relatives' grief process.

Implications for the profession and/or patient care

Insights into relatives' needs in the context of euthanasia. Good practices on how healthcare providers can attend to relatives' needs before, during and after the loss

Impact

Current literature and guidelines on needs-based bereavement care in the context of euthanasia and, more generally, assisted dying, are limited. These findings provide concrete directions for practice in supporting (nearly) bereaved relatives in the context of euthanasia, potentially mitigating adverse health outcomes.

Reporting method

Standards for Reporting Qualitative Research (SRQR checklist).

Patient or Public contribution

Relatives of deceased cancer patients were involved in the conduct of the study.

First‐line managers' experience of guideline implementation during the COVID‐19 pandemic

Abstract

Aim(s)

To explore first-line managers' experience of guideline implementation in orthopaedic care during the COVID-19 pandemic.

Design

A descriptive, qualitative study.

Methods

Semi-structured interviews with 30 first-line nursing and rehabilitation managers in orthopaedic healthcare at university, regional and local hospitals. The interviews were analysed by thematic analysis.

Results

First-line managers described the implementation of guidelines related to the pandemic as different from everyday knowledge translation, with a swifter uptake and time freed from routine meetings in order to support staff in adoption and adherence. The urgent need to address the crisis facilitated guideline implementation, even though there were specific pandemic-related barriers such as staffing and communication issues. An overarching theme, Hanging on to guidelines for dear life, is substantiated by three themes: Adapting to facilitate change, Anchoring safety through guidelines and Embracing COVID guidelines.

Conclusion

A health crisis such as the COVID-19 pandemic can generate enabling elements for guideline implementation in healthcare, despite prevailing or new hindering components. The experience of guideline implementation during the COVID-19 pandemic can improve understanding of context aspects that can benefit organizations in everyday translation of evidence into practice.

Implications for the Profession and/or Patient Care

Recognizing what enabled guideline implementation in a health crisis can help first-line managers to identify local enabling context elements and processes. This can facilitate future guideline implementation.

Impact

During the COVID-19 pandemic, the healthcare context and staff's motivation for guideline recognition and adoption changed. Resources and ways to bridge barriers in guideline implementation emerged, although specific challenges arose. Nursing managers can draw on experiences from the COVID-19 pandemic to support implementation of new evidence-based practices in the future.

Reporting Method

This study adheres to the EQUATOR guidelines by using Standards for Reporting Qualitative Research (SRQR).

No Patient or Public Contribution.

Entangled in complexity: An ethnographic study of organizational adaptability and safe care transitions for patients with complex care needs

Abstract

Aim

The aim of this study was to visualize vulnerabilities and explore the dynamics of inter-professional collaboration and organizational adaptability in the context of care transitions for patients with complex care needs.

Design

An ethnographic design using multiple convergent data collection techniques.

Methods

Data collection involved document review, participant observations and interviews with healthcare and social care professionals (HSCPs). Narrative analysis was employed to construct two illustrative patient scenarios, which were then examined using the Functional Resonance Analysis Method (FRAM). Thematic analysis was subsequently applied to synthesize the findings.

Results

Inconsistencies in timing and precision during care transitions pose risks for patients with complex care needs as they force healthcare systems to prioritize structural constraints over individualized care, especially during unforeseen events outside regular hours. Such systemic inflexibility can compromise patient safety, increase the workload for HSCPs and strain resources. Organizational adaptability is crucial to managing the inherent variability of patient needs. Our proposed ‘safe care transition pathway’ addresses these issues, providing proactive strategies such as sharing knowledge and increasing patient participation, and strengthening the capacity of professionals to meet dynamic care needs, promoting safer care transitions.

Conclusion

To promote patient safety in care transitions, strategies must go beyond inter-professional collaboration, incorporating adaptability and flexible resource planning. The implementation of standardized safe care transition pathways, coupled with the active participation of patients and families, is crucial. These measures aim to create a resilient, person-centred approach that may effectively manage the complexities in care transitions.

Implications

The recommendations of this study span the spectrum from policy-level changes aimed at strategic resource allocation and fostering inter-professional collaboration to practical measures like effective communication, information technology integration, patient participation and family involvement. Together, the recommendations offer a holistic approach to enhance care transitions and, ultimately, patient outcomes.

Reporting Method

Findings are reported per the Consolidated Criteria for Reporting Qualitative research (COREQ).

Patient or Public Contribution

No patient or public contribution.

Incidence, prevalence, and medical costs of pressure injuries in Taiwan from 2001 to 2015: Results of a retrospective cohort study

Abstract

Aims and Objectives

This study aims to analyse the trends in the incidence, prevalence and medical costs of pressure injuries (PIs) among genders in Taiwan.

Background

The treatment of PIs is complex and costly, often leading to complications and increased mortality. This issue significantly impacts healthcare quality and incurs substantial medical and social costs, warranting attention.

Methods

A retrospective cohort study was conducted using data from Taiwan's National Health Insurance Database to obtain and calculate the incidence, prevalence, and medical costs of PIs in the country between 2001 and 2015 as well as to analyse high-risk groups and the medical care utilisation of patients following the STROBE reporting guidelines.

Results

Between 2001 and 2015, 15,327 incident case of PIs were diagnosed. During the study period, the prevalence rate of PIs per 100,000 population rose from 26.3 to 189.6, with approximately 11.5%–16.3% of patients undergoing surgical debridement. The PIs prevalence rate increased by 7.2-fold, and hospitalisation costs accounted for 91.7%–96.0% of the total medical costs. Patients with older age, comorbidities, poorer financial status and lower education levels were found to be likely to develop PIs. These predisposing factors differed between males and females. The prevalence of PIs was higher in patients ≥75 years old than in patients from other age groups. Moreover, PI-related medical expenses have been increasing annually.

Conclusions

In Taiwan, the rising incidence of PIs is driving up medical costs. Effective care and prevention of PIs necessitate a comprehensive plan from the entire healthcare system.

Relevance to Clinical Practice

This research fills a gap in the available data on the incidence, prevalence, and medical costs of PIs in Taiwan and Asia.

Patient or Public Contribution

The findings can be used to help develop clinical guidelines for preventive education and treatment of PIs.

Protective and risk factors of workplace violence against nurses: A cross‐sectional study

Abstract

Aims

To describe how workplace violence (WPV) is experienced by nurses in hospitals and community services and identify protective and risk factors.

Methods

An online cross-sectional national study was conducted from January to April 2021 in Italy. Hospitals and community services were involved in the study. The survey combined the adapted and validated Italian version of the Violence in Emergency Nursing and Triage (VENT) questionnaire, which explores the episodes of WPV experienced during the previous 12 months, the Practice Environment Scale of the Nursing Work Index (PES-NWI) and some additional questions about staffing levels extracted from a previous RN4CAST study. Nurses working in all clinical settings and community services were invited to participate in the survey. Descriptive and inferential statistics were used for data analysis. We adhered to the STROBE reporting guidelines.

Results

A total of 6079 nurses completed the survey, 32.4% (n = 1969) had experienced WPV in the previous 12 months, and 46% (n = 920) reported WPV only in the previous week. The most significant protective factors were nurses' age, patients' use of illegal substances, attitude of individual nurses and considering effective the organization's procedures for preventing and managing episodes of violence. The most significant risk factors included workload, recognizing violence as an inevitable part of the job, patients' cultural aspects and patients' agitated behaviour. The frequency of WPV was significantly higher in certain areas, such as the emergency department and in mental health wards.

Conclusion

Workplace violence (WPV) against nurses is a very frequent and concerning issue, especially in hospitals and community services. Based on our findings, integrated and multimodal programmes for prevention and management of WPV are recommended. More attention and resources need to be allocated to reduce WPV by improving the quality of nurses' workplace environment and implementing violence-free policies for hospitals.

Implications for the Profession and/or Patient Care

Impact

Workplace verbal and physical violence is a widespread phenomenon, both in hospital and community settings, and even during COVID-19 pandemic. This problem is exacerbated by the lack of effective reporting systems, fear of retaliation and the tendency to consider violence as an inevitable part of the job. The characteristics of professionals, patients, work environment and organizational factors are involved in the spread of workplace violence, determining its multifactorial nature. Integrated and multimodal programmes to prevent and manage of workplace violence are probably the only way to effectively counteract workplace violence against nurses. Healthcare policymakers, managers of hospital and community services need to proactively prevent and effectively manage and monitor episodes of violence. Nurses need to feel protected and safeguarded against any form of verbal or physical violence, to provide high-quality care in a totally safe environment.

Patient or Public Contribution

No patient or public contribution.

Multiparameter immunoprofiling for the diagnosis and differentiation of progressive versus nonprogressive nontuberculous mycobacterial lung disease–A pilot study

by Paige K. Marty, Balaji Pathakumari, Thomas M. Cox, Virginia P. Van Keulen, Courtney L. Erskine, Maleeha Shah, Mounika Vadiyala, Pedro Arias-Sanchez, Snigdha Karnakoti, Kelly M. Pennington, Elitza S. Theel, Cecilia S. Lindestam Arlehamn, Tobias Peikert, Patricio Escalante

Clinical prediction of nontuberculous mycobacteria lung disease (NTM-LD) progression remains challenging. We aimed to evaluate antigen-specific immunoprofiling utilizing flow cytometry (FC) of activation-induced markers (AIM) and IFN-γ enzyme-linked immune absorbent spot assay (ELISpot) accurately identifies patients with NTM-LD, and differentiate those with progressive from nonprogressive NTM-LD. A Prospective, single-center, and laboratory technician-blinded pilot study was conducted to evaluate the FC and ELISpot based immunoprofiling in patients with NTM-LD (n = 18) and controls (n = 22). Among 18 NTM-LD patients, 10 NTM-LD patients were classified into nonprogressive, and 8 as progressive NTM-LD based on clinical and radiological features. Peripheral blood mononuclear cells were collected from patients with NTM-LD and control subjects with negative QuantiFERON results. After stimulation with purified protein derivative (PPD), mycobacteria-specific peptide pools (MTB300, RD1-peptides), and control antigens, we performed IFN-γ ELISpot and FC AIM assays to access their diagnostic accuracies by receiver operating curve (ROC) analysis across study groups. Patients with NTM-LD had significantly higher percentage of CD4+/CD8+ T-cells co-expressing CD25+CD134+ in response to PPD stimulation, differentiating between NTM-LD and controls. Among patients with NTM-LD, there was a significant difference in CD25+CD134+ co-expression in MTB300-stimulated CD8+ T-cells (p

Xinnaotongluo liquid protects H9c2 cells from H/R-induced damage by regulating MDM2/STEAP3

by Jiankun Cui, Qinwen Wang, Minghao Li

Xinnaotongluo liquid has been used to improve the clinical symptoms of patients with myocardial infarction. However, the molecular mechanism of Xinnaotongluo liquid is not completely understood. H9c2 cells exposed to hypoxia/reoxygenation (H/R) was used to simulate damage to cardiomyocytes in myocardial infarction in vitro. The biological indicators of H9c2 cells were measured by cell counting kit-8, enzyme linked immunoabsorbent assay, and western blot assay. In H/R-induced H9c2 cells, a markedly reduced murine double minute 2 (MDM2) was observed. However, the addition of Xinnaotongluo liquid increased MDM2 expression in H/R-induced H9c2 cells. And MDM2 overexpression strengthened the beneficial effects of Xinnaotongluo liquid on H9c2 cells from the perspective of alleviating oxidative damage, cellular inflammation, apoptosis and ferroptosis of H/R-induced H9c2 cells. Moreover, MDM2 overexpression reduced the protein expression of p53 and Six-Transmembrane Epithelial Antigen of Prostate 3 (STEAP3). Whereas, STEAP3 overexpression hindered the function of MDM2-overexpression in H/R-induced H9c2 cells. Our results insinuated that Xinnaotongluo liquid could protect H9c2 cells from H/R-induced damage by regulating MDM2/STEAP3, which provide a potential theoretical basis for further explaining the working mechanism of Xinnaotongluo liquid.
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