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BMC Medical Education volume 24 , Article number: 990 ( 2024 ) Cite this article
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The practise of paramedicine can be highly stressful particularly where urgent lifesaving decisions need to be made. Traditionally, educators have adopted the approach of placing students in simulated stressful situations as a way of learning to cope with these challenges. It is unclear from the literature whether traditional stress inoculation enhances or hinders learning. This scoping review aims to identify and examine both the peer-reviewed and grey literature reporting physiological stress responses to high-acuity scenarios in paramedicine and cognate healthcare disciplines.
Adhering strictly to JBI Evidence Synthesis Manual for conducting a scoping review, medical subject headings and areas, keywords and all other possible index terms were searched across EBSCOhost (Medline, CINAHL and APA PsycInfo), Scopus and, PubMed. English language articles both published (peer-reviewed academic papers, reports and conference proceedings) and unpublished (grey literature, Google Scholar reports) were included, and publications citing retrieved articles were also checked.
Searches performed across five electronic databases identified 52 articles where abstracts indicated potential inclusion. From this, 22 articles which reported physiological or psychophysiological responses to stressful scenario-based education were included.
This review identified that an acceptable level of stress during simulation can be beneficial, however a point can be exceeded where stress becomes a hinderance to learning resulting in underperformance. By identifying strategies to moderate the impact of acute stress, educators of paramedic and other healthcare students can utilise high-acuity clinical scenarios to their andragogical armamentarium which has the potential to improve real-world clinical outcomes.
Peer Review reports
In many high-income countries, paramedic education has progressively moved from a post-employment vocational training model of the latter part of the 20th century to now sit firmly within the pre-employment tertiary education sector [ 1 ]. This evolution of education enables paramedics to provide high-level emergency care as new-to-practice clinicians in high pressure, time-critical environments [ 2 ]. To do this, education providers often utilise high-fidelity simulations to apply clinical or other skills in realistic environments. These simulations, are often comprised of high-acuity scenarios which are designed to depict a high severity of illness or injury [ 3 ] requiring rapid medical interventions, which can invoke increased physiological and cognitive stress. It may be the case that if these simulations are too stressful, clinical learnings from them may be lost due to the high stress load the participant is exposed to as shown by Takahashi, et al. [ 4 ] who identified higher cortisol levels post stress exposure in university students, which correlated with an increased level of memory impairment and poorer performance.
Links between physiological stress and knowledge application have also been reported in the paramedicine sector. LeBlanc, et al. [ 5 ] demonstrated that clinicians made more drug calculation errors following exposure to stressful events, whilst senior paramedics exhibited clinical and documentational vulnerabilities during high-acuity scenarios [ 6 ]. In the emerging field of undergraduate paramedicine education research, few studies have explored high-acuity scenario-based education and any associated physiological and cognitive stress. This is in contrast to Harvey, et al. [ 7 ], LeBlanc, et al. [ 6 ] and, more recently Hase, et al. [ 8 ] who have recommended that training in high-acuity areas of medicine should include challenge-promoting interventions specifically relevant to stress mitigation.
In the expanding cohort of university-trained paramedicine students, research on empathy [ 9 ], prevention of mental health and psychological disorders [ 10 ], workplace violence [ 11 ], physical characteristics [ 12 ] and pre-employment fitness testing [ 13 ] have been published. However, linkages between time critical high-acuity scenario-based education with resultant physiological stress and its potential impacts on cognitive decision-making has not been studied. A recent systematic review explored the physiological responses to acute stress in workers of several occupations, mostly within the human service industry [ 14 ]. Whilst this paper draws appropriate conclusions about acute physiological changes leading to performance decrement, possible implications for frontline healthcare workers were limited by a small number of healthcare-based studies included within the review. A gap also exists between self-awareness of one’s own physiological stress and how this may impact clinical judgement. Therefore, the purpose of this review was to better understand the physiological and cognitive stress responses observed in the participants undertaking high-acuity clinical scenarios. By appreciating the existence of contributory factors and how they influence stress, educators of paramedics and other healthcare workers can determine which elements of physiologically and mentally stressful scenario-based education can be considered in the design of their own programs.
Full systematic literature reviews (SLRs) are generally considered to be the foundation for evidence-based practice, particularly in healthcare [ 15 ]. This form of evidence synthesis relies on an extensive base of published literature and is frequently used to validate or refute current practice [ 16 ]. However, within the scope of the present study, little extant research reports on physiological changes triggered by high stress learning situations or the consequences this effect has on clinical performance. Given the inter-relationship between acute stress and the degradation of cognitive decision-making ability [ 7 , 17 ], further research is warranted to characterise this physiological response in undergraduate paramedicine students. In this paper, we employed a scoping review method to explore the extent of published and unpublished literature from cognate heath disciplines to identify key characteristics or factors related to our topic of interest.
Our final protocol was registered on the 21st March 2023, and is publicly available on the Open Science Framework platform ( https://osf.io/dxchy/ ).
This scoping review aims to identify and map the scope of current published literature related to physiological stress responses to high-acuity scenarios and, importantly, identify and analyse the knowledge gaps [ 18 ]. To achieve the aim, the following search strategy was employed:
Participants: higher education students or students in non-university training programs studying towards a recognised healthcare qualification.
Concept: any study that incorporates clinical scenarios / simulations where physiological (cardiovascular or endocrine) /or psychophysiological data is recorded.
Context: any undergraduate or postgraduate higher education setting or equivalent non-university training facility for the participants mentioned above.
The latest version [ 19 ] of Joanna Briggs Institute (JBI) comprehensive guide for authors conducting a scoping reviews [ 20 ] has been followed step-by-step within this review. A search period restriction from 2000 onwards was applied due to the rapid expansion of wearable technology including augmented and virtual reality. To ensure the review examined the acute physiological stress response, it was necessary to focus on articles that assessed markers of stress in real-time as participants were exposed to a stress-inducing task. An initial search was conducted across three prominent databases (Medline, PubMed and Scopus) to determine key terms as a guide to developing a thorough search strategy. From this and with the assistance of a senior research librarian, the secondary search expanded all identified keywords and incorporated medical subject headings (MeSH), major subject areas, and all other possible index terms as noted in the Appendix 1 . The protocol incorporated both published (peer-reviewed academic papers, reports and conference proceedings) and unpublished (incorporating theses and dissertations, research and technical reports) evidence but did exclude non-English language articles. Sources were gathered using EBSCOhost (including Medline, CINAHL and APA PsycInfo) Scopus, and PubMed. Google Scholar was also searched as there is a small body of evidence that suggests this search engine produces highly comprehensive results [ 21 , 22 ] whilst also searching ‘grey literature’ (published informally, non-commercially or remains unpublished), a format neglected by other databases. Selection of papers for inclusion in the study were then undertaken independently by two members of the research team (DL and EF). Finally, any other articles that cited the retrieved articles were also checked using citation alert with the ISI Web of Knowledge (Appendix 1 ).
Data were extracted from the included studies by two reviewers (JB and PH) utilising the JBI template of evidence details, characteristics and results extraction instrument [ 19 ]. Initial piloting of the data extraction resulted in some additional data being sought from each publication to allow quality appraisal to occur. This refined data extraction gathered details about study year, study country, study aim, study setting, study design, interventions, and comparators. Additionally, the data included sample size, methods, results, and author recommendations. A third member of the review team (DL) performed an accuracy check.
Methodological validity and risk-of-bias appraisal, undertaken concurrently with data charting, was performed via the Mixed Methods Appraisal Tool (MMAT) version 2018 critical appraisal instrument designed by Hong, et al. [ 23 ]. For the purpose of this scoping review, an overall score was calculated from mean values of each section to determine methodological quality of each reviewed study (Appendix 4 ). The authors agreed that no cut-off scores would be applicable as the use of the MMAT was not for inclusion or exclusion purpose, but rather to describe the quality of the of publications reported in this review.
The first author performed narrative synthesis of identified themes and discussed these with the review team for validation. Descriptive results are subsequently reported which align with the intended scope and objectives of this review.
Ethical approval was not required for this scoping review.
The search strategy yielded 1427 results, of which 52 remained after title and abstract proofing and duplicate removal (Level 1). Consensus was not reached on seven papers with resolution sought from a third member of the review team (PH) (Appendix 2 ). Of the 52 studies, 30 were excluded for reasons outlined in Appendix 3 . In addition, reference lists of three excluded review articles were checked, although nil additional suitable articles were identified. Unpublished (grey) literature was also assessed with no additional studies deemed suitable for inclusion. Figure 1 illustrates a Preferred Reporting Items for Systematic reviews and Meta-Analyses (PRISMA) flow diagram [ 24 ] of the process and Table 1 lists the 22 studies deemed eligible for inclusion.
PRISMA flow diagram findings
From the twenty-two studies identified that met the inclusion criteria, the majority originated from Europe and North America. Only one study [ 25 ] involved paramedics or paramedicine students. Twelve studies involved medical or surgical trainees [ 7 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 ], five studied nursing or nurse anaesthetist students [ 37 , 38 , 39 , 40 , 41 ], three studies involved physiotherapy students [ 42 , 43 , 44 ], and one study examined psychology students [ 45 ].
No studies were identified that warranted exclusion based on major methodological flaws on any significant risk of bias. However, study design flaws and lower levels of evidence were common. Of most concern were poorly described methodologies and under-powered sample sizes incapable of producing statistically significant results (see Appendix 4 for tabulated quality assessment results). Examining the methodology used, sixteen studies adopted a mixed methods approach and six utilised a quantitative method. Randomised controlled trials were reported in seven papers and a battery of different metrics were recorded across the studies. Heart rate variability and salivary cortisol levels were the most frequently reported objective data, whilst the state trait anxiety inventory was the most common subjective measure (see Table 2 ).
In general terms, the twenty-two included studies had similar aims centring around determining how successful high stress simulation could be at replicating clinical experience. Most studies involved both male and female participants with samples sizes ranging from n = 8 to n = 166, with a mean of n = 53 and a median of n = 33. Multiple studies assessed and compared stress levels of participants in different situations, and then used these results to determine if stress had affected clinical performance. Other studies used similar data to improve education or training with the aim of ultimately increasing student confidence and performance. The key outcomes from the included studies are summarised in Table 3 .
This review identified studies exploring physiological responses of participants undertaking high stress scenario-based education or training. While acknowledging much of the evidence was of low methodological quality [ 46 ] and therefore limits generalisability, the results still provide some useful insights that may be used to inform educators of future paramedics and other healthcare workers.
One of the key findings from this review was the identification of pre-performance or anticipatory anxiety exhibited across multiple studies [ 37 , 38 , 45 ]. This is an area where simulation may not replicate clinical work. Students aware of an upcoming scenario well in advance have ample time to prepare and mount a physiological stress response. This could be controlled if students were given little notice, however this was not commonly reported in the studies. Healthcare educators utilising scenario-based education may choose to restrict prior notification as a means of assessing any changes in the stress response amongst their students. In high-acuity clinical work, paramedics usually have little time to prepare, which may reduce the anticipatory stress response. Potentially this may be seen as positive, as stress has been demonstrated to lead to poorer performance is some paramedic research [ 5 , 6 ]. However, the evident stress of attending high-acuity cases must also be considered and its impact on performance. In the context of anticipatory anxiety predicting future performance, little research has examined its immediate effect on motor task performance.
The reviewed publications also provide contradictory support for simulation as a tool to replicate the psychophysiological stress of high-acuity clinical work. Baker, et al. [ 37 ], in a study with trainees in the highly specialised field of anaesthetics, found simulation was able to replicate the physical and procedural forms of clinical work, however it was unable to replicate the intrinsic level of stress the trainees exhibited when working with a real patient in an operating theatre. These results are potentially influenced by small participant numbers ( n = 8) and may also be applicable to highly specialised and highly technical fields such as anaesthesia. For paramedicine, contemporary literature [ 47 ] highlights simulation allowing for the training of skills that are rarely needed or rarely practiced in the field and supports recommendation made by O’Meara, et al. [ 2 ]. For educators of paramedics and other healthcare workers, simulating high-acuity situations is a crucial way to expose students to potential clinical scenarios they may face early in their career. In designing programs of study, careful use of stress-inducing high-acuity simulation can be a beneficial but can also lead to continued underperformance if the stress is chronically too high.
Barbadoro, et al. [ 26 ] and Judd, et al. [ 43 ] found simulation provided a higher level of stress in their participants when compared to equitable clinical work, whilst Demaria, et al. [ 28 ] found that high stress situations can be beneficial for learning. This benefit of high stress learning was also supported by the work of Keitel, et al. [ 32 ], who found increased levels of the key stress hormone cortisol correlated with improved memory retention and medical performance amongst medical trainees. An increased stress response was also reported when supervisors or assessors were present within the simulation [ 30 , 31 ] and, unsurprisingly, vital signs as a measure of physiological stress, increased when the simulation itself was exertive [ 25 , 27 , 36 ]. The stress placed on students involved in high-acuity simulation must be further studied to allow educators to determine what level of anxiety may enhance learning without impeding performance.
Performance ability or academic standing was also found to correlate with stress. McKay, et al. [ 38 ] found low performers increased stress and performed poorly, whereas high performers also increased stress but performed superbly in a cohort of student nurses. Paramedicine courses may show similar trends, with students likely to self-assess their academic abilities and stress tolerance. Educators could potentially use real-time learning analytics to offer tailored support and guidance based on live biometric data, proactively aiding students. This would be resource intensive for academics with large student numbers; but in smaller cohorts, the individual feedback around acceptable stress to achieve simulated clinical success may enhance the education program.
Lacking from the literature is a detailed discussion of a variety of variables related to student stress responses from the level of acuity of a scenario. These confounding variables, such as pre-established coping styles and perceived stress intensity within participants, need to be quantified to accurately gauge the success of any interventions aimed at alleviating the stress response, and in examining what levels of anxiety may enhance learning without impeding performance.
Whilst the systematic approach to this scoping review explored multiple electronic bibliographic repositories, there is potential some contemporary conference proceedings, dissertations and theses, along with grey literature not readily available in electronic databases or Google Scholar, may have been missed. Non-English literature may have added value to this review and we attempted to seek translated papers where possible, but we accept that some results may have been missed through this process.
This scoping review identified inconsistencies and varying methodologies for the assessment of participant stress response in scenario-based education. Recommendations should be developed to identify gold standard quantification of psychophysiological stress responses during high stress scenarios. This would then allow meta-analysis or other systematic synthesis of data to be undertaken to accurately determine any inter-relationship between acute stress and the degradation of cognitive decision-making for healthcare education programs. In addition, variables related to student stress responses from the level of acuity of a scenario should be investigated. For example, individual differences in participants such as pre-established coping styles and strategies, perceived stress intensity, perceived control of stress or coping skill, as well as context specific stressors such as the outcomes associated with scenario performance (e.g., high stakes versus low stakes outcomes) may all be important variables for future research.
The studies identified in this scoping review have shown high-acuity simulation can induce stress comparable with paramedicine clinical practice. For educators, understanding the factors or elements which contribute to an acceptable level of stress can allow participants the opportunity to fail and learn from their errors during simulation. This further provides opportunities to improve student outcomes in paramedicine and other healthcare education by facilitating high-acuity clinical scenarios that challenge students without inducing stress levels that hinder performance. As educational and wearable technology further evolves, utilisation of real-time biofeedback through passive measurement devices also hold promise as an intervention to reduce the negative effects of acute physiological stress during training scenarios.
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The authors wish to acknowledge and thank senior research librarian Meena Gupta for assistance with developing and refining key search terms within the research protocol.
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JB, DL, EF and PH conceived the study. JB and DL equally designed the study approach. DL, EF and PH undertook the review. JB and PH undertook data extraction and quality control. JB interpreted the data. JB, DL and EF drafted the manuscript and circulated to authors for contribution. All authors edited drafts and approved the current manuscript for publication. JB as the corresponding author is responsible for the overall content.
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Betson, J., Fein, E.C., Long, D. et al. Too stressed to think? A scoping review of the literature for healthcare educators utilising high acuity clinical scenarios. BMC Med Educ 24 , 990 (2024). https://doi.org/10.1186/s12909-024-05949-3
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A literature review is a survey of scholarly knowledge on a topic. Our guide with examples, video, and templates can help you write yours. ... If you are writing the literature review section of a dissertation or research paper, ... Based on your reading and notes, you can look for: Trends and patterns (in theory, method or results): ...
The structure of a dissertation depends on your field, but it is usually divided into at least four or five chapters (including an introduction and conclusion chapter). The most common dissertation structure in the sciences and social sciences includes: An introduction to your topic. A literature review that surveys relevant sources.
A literature review is a comprehensive and critically assessed summary of existing research focused on a specific topic or question.Unlike other types of literature reviews, the dissertation literature review requires depth and context, serving as an extensive examination of scholarly works, including articles, books, theses, and other authoritative sources.
How To Structure Your Literature Review. Like any other chapter in your thesis or dissertation, your literature review needs to have a clear, logical structure. At a minimum, it should have three essential components - an introduction, a body and a conclusion. Let's take a closer look at each of these. 1: The Introduction Section
In a dissertation or thesis, the Methodology section usually follows the Literature Review. This placement allows the Methodology to build upon the theoretical framework and existing research outlined in the Literature Review, and precedes the Results or Findings section. Here's a basic outline of how most dissertations are structured: Title Page
Dissertations are extended projects in which you choose, research and write about a specific topic. They provide an opportunity to explore an aspect of your subject in detail. You are responsible for managing your dissertation, though you will be assigned a supervisor. Dissertations are typically empirical (based on your own research) or ...
Gall, Borg, and Gall (1996) estimate that completion of an acceptable dissertation literature review will take between three and six months of effort. The purpose of this guide is to collect and summarize the most relevant information on how to write a dissertation literature review.
There are so many questions around literature-based dissertations! But so many of the resources out there online focus on research dissertations. It can be hard to know what to do! Because literature-based dissertations are a whole different thing! In this blogpost, I address three of the most common questions around literature-based dissertations.
A sophisticated literature review (LR) can result in a robust dissertation/thesis by scrutinizing the main problem examined by the academic study; anticipating research hypotheses, methods and results; and maintaining the interest of the audience in how the dissertation/thesis will provide solutions for the current gaps in a particular field.
Look at more recent work citing these works (e.g., Web of Science). In writing the review, chronology is often important. Capture the. essence of the works you draw on. See Turco's "Token Theory" section. Provide supporting quotes when necessary. Avoid citing aspects of the works that aren't central (common mistake!).
You will find our postgraduate dissertations in our research repository USW Pure. Ask your supervisor if they have any good examples of past dissertations that you can have a look at. For reference, below are some examples of undergraduate dissertations from some other UK universities. Bristol University. Leeds University.
Nigel Fabb and Alan Durant. How to Write Essays and Dissertations: A Guide for English Literature Students, nd2 edition, (London: Longman, 2005). 1.3 Supervision and Support The role of Supervisors: Though the Dissertation is essentially an independent piece of work, students are supported by a member of academic faculty who acts as supervisor.
Time to recap…. And there you have it - the traditional dissertation structure and layout, from A-Z. To recap, the core structure for a dissertation or thesis is (typically) as follows: Title page. Acknowledgments page. Abstract (or executive summary) Table of contents, list of figures and tables.
Download the editable literature-based dissertation template & checklist here: https://thepagedoctor.gumroad.com/l/literaturedissertationtemplatePROOFREADING...
How to Write Essays and Dissertations: A Guide for English Literature Students, nd2 edition, (London: Longman, 2005). 1.3 Supervision and Support The role of Supervisors: Though the Dissertation is fundamentally an independent piece of work, students are supported by a member of academic faculty who acts as supervisor. Supervisors will be
Dissertation examples. Listed below are some of the best examples of research projects and dissertations from undergraduate and taught postgraduate students at the University of Leeds We have not been able to gather examples from all schools. The module requirements for research projects may have changed since these examples were written.
Study design. Full systematic literature reviews (SLRs) are generally considered to be the foundation for evidence-based practice, particularly in healthcare [].This form of evidence synthesis relies on an extensive base of published literature and is frequently used to validate or refute current practice [].However, within the scope of the present study, little extant research reports on ...