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First responders (i.e., law enforcement officers, firefighters, and emergency medical technicians/paramedics), experience significantly higher occupational trauma exposure than U.S. adult workers outside these fields, leading to increased risks of comorbid mental health disorders. Repeated and intense trauma exposure may combine with personal factors to place them at higher risk for suicide. Conversely, first responders may show higher levels of psychological resilience in the face of occupational trauma experiences. Some research exists on resilience, though little is known about suicide resilience in first responder populations. We used latent profile analysis (LPA) on a treatment-seeking sample of first responders (N = 340) with measures of posttraumatic stress disorder (PTSD), generalized anxiety, depression, suicidality, and resilience. We determined the best fit was a five-class solution, including the following emotional distress categories: minimal (19 %), mild (33 %), moderate (8 %), moderately severe (27 %), and severe (13 %) emotional distress. In this study, all multivariate analyses of variance (MANOVAs) were statistically significant and had large effect sizes ranging from the lowest (resilience) to the largest (depression). We used self-report assessments and not a clinical interview. Also, we did not have data on measures of substance use, emotional dysregulation (e.g., attachment), or trauma exposure. This study underscores the critical need for developing and implementing transdiagnostic interventions that not only address the spectrum of emotional distress and suicidality but also actively enhance resilience among treatment-seeking first responders. • We found a five class Latent Profile Analysis solution of emotional distress. • All effect sizes were large, from the lowest (resilience) to the largest (depression). • We explore transdiagnostic clinical implications from the statistical findings. [ABSTRACT FROM AUTHOR]

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A longitudinal qualitative study was conducted to explore the experiences of church leaders (10 priests, pastors, and pastors' wives) who provided disaster spiritual/emotional care (DSEC) to the island of Puerto Rico during a period of intense and repeated crises from 2017 to 2022. Utilizing a narrative inquiry approach, 18 in-depth interviews were conducted and analyzed. Findings indicated that the participants engaged in psychological, social, and religious coping strategies to actively cope with the stress and trauma of being first responder rescuer/victims. Regional, cultural and contextual factors are considered in an effort to understand and enhance services to populations where disaster is the new normal. [ABSTRACT FROM AUTHOR]

Exposure to traumatic and/or violent events is an inherent part of the first responder role, which increases the risk of developing acute and chronic mental health symptoms and conditions. Suicidality for Australian first responders have recently increased with prevalence considered much higher compared with the general population. To inform specific recommendations for Australian first responders, there is a need to establish what evidence is available regarding these issues within the Australian context. The aim of this scoping review was to explore the impacts of trauma on the mental health of Australian first responders, the strategies recommended to address these issues and any unique needs in rural contexts. A scoping review was undertaken following PRISMA guidelines for scoping reviews. Peer‐reviewed articles on Australian first responder mental health from seven databases were screened for inclusion. This review highlights that despite available evidence on the types of traumas and adverse mental health outcomes experienced, less evidence exists pertaining to intervention effectiveness. There are major gaps in evidence within rural and remote contexts which hinders effective planning and delivery of support for rural and regional first responders. Clinicians such as mental health nurses, particularly in rural areas, need to be aware of these gaps which impact planning and delivery of support and are in prime position to ensure screening, interventions and strategies are used and evaluated to determine their suitability for rural first responders. [ABSTRACT FROM AUTHOR]

Background: In-flight medical emergencies (IMEs) are expected to increase as air travel normalized in the post-COVID-19 era. However, few studies have examined health professions students' preparedness to respond to such emergencies. Therefore, this study aimed to investigate medical students' knowledge, confidence, and willingness to assist during an IME in their internship program. Methods: This cross-sectional survey utilized an online, self-administered questionnaire-based survey targeted at medical students at two medical colleges in Saudi Arabia. The questionnaire comprised three parts: sociodemographic characteristics, knowledge about aviation medicine (10 items), and confidence (7 items)/willingness (4 items) to assist during an IME. Odds Ratios (OR) and 95% Confidence Intervals (95%CI) were computed to detect potential associations between the knowledge levels and the other independent variables. Responses to confidence and willingness questions were scored on a 5-point Likert scale. Results: Overall, 61.4% of participants had inadequate knowledge scores for providing care during an IME, and the proportion of participants did not differ between those who had or had not attended life support courses (60.4% vs. 66.7%, p>0.99). Only frequency of air travel≥two times per year was associated with higher odds of adequate knowledge score [OR = 1.89 (95%CI 1.14-3.17), p=0.02]. In addition, 93.3% of the participants had low, 6.3% had moderate, and 0.8% had high willingness scores, while 86.3% had low, 12.2% had moderate, and 1.5% had high confidence scores. There were no differences in the proportion of participants with low, moderate, and high willingness or confidence scores by attendance in life support courses. Conclusion: Even though over 8 in 10 students in our study had previously attended life support courses, the overwhelming majority lacked the knowledge, confidence, and willingness to assist. Our study underscores the importance of teaching medical students about IMEs and their unique challenges before entering their 7th-year mandatory general internship. [ABSTRACT FROM AUTHOR]

Objective: Seeking mental health services can be challenging for first responders due to various barriers that impede access to care. The objective of this study was to gain a deeper understanding of the subjective experiences, perceptions, and meanings associated with seeking services among first responders. Methods: The survey-design instrument consisted of questions regarding stress, psychological health, health-related difficulties, and potential barriers to treatment that first responders may experience. The questions were asked in multiple formats including multiple choice, select all that apply, and one open-ended question. This paper includes responses from the optional open-ended question (n = 78). Researchers conducted data analysis using ATLAS.ti and the analysis followed a thematic approach. Results: Three (3) themes and several sub-themes were identified. First responders provided diverse explanations for their reluctance to seek care, such as organisational and leadership factors, stigma related to mental health, concerns about being red-flagged, limited access to care, and the financial implications of treatment. A prevailing sentiment was a lack of trust in the mental health field. Discussion: By giving voice to the lived experiences of first responders, this study can inform the development of targeted interventions and support programs that address their specific needs and enhance overall well-being of first responders. [ABSTRACT FROM AUTHOR]

Objective: To examine the co-occurrence of alcohol misuse and posttraumatic stress disorder (PTSD) and potential sources of coping (e.g., spirituality/religion) and clinically relevant variables among first responders (e.g., firefighters, law enforcement corrections officers, paramedics). Method: We assessed rates of independent and co-occurring alcohol misuse and PTSD among a national online sample of 320 first responders as well as the prevalence and salience of S/R, guilt, shame, moral injury, aspects of S/R, and treatment interest. Results: In our sample, 46.88% (n = 150) met criteria for comorbid alcohol misuse and probable PTSD and individuals with these comorbid conditions reported significantly greater negative religious coping, moral injury, and shame than all other diagnostic groups (i.e., independent alcohol misuse, independent PTSD, and neither). Correlations also revealed significant relationships between alcohol misuse and PTSD symptomatology with positive and negative religious coping, moral injury, shame, guilt, interest in treatment, and interest in spiritually integrated treatment. Conclusions: Findings highlight the high rates of independent and co-occurring alcohol misuse and PTSD among first responders as well as the salience of S/R in this population. [ABSTRACT FROM AUTHOR]

Animal protection officers (APOs) fulfill critical community roles but are underrepresented in academic literature. This study explored APOs’ professional identities, professional stressors, positive job aspects, and mental health needs and access. Our mixed-methods design featured a survey followed by interviews. The survey was disseminated to APOs from four local agencies. Results from 18 respondents revealed that seeing a child injured by an animal or an animal injured by a human were the most stressful work situations. Positive job aspects included helping animals, public education, and supporting community safety. Only four respondents had accessed mental health services for job-related issues. Nine respondent interviews yielded themes addressing how APOs make meaning, stressors and resilience factors, and mental health supports. Recommendations based on survey and interview responses are provided. [ABSTRACT FROM AUTHOR]

Updating the equipment of the first responder (FR) by providing them with new capabilities and useful information will inevitably lead to better mission success rates and, therefore, more lives saved. This paper describes the design and implementation of a modular interface for augmented reality displays integrated into standard FR equipment that will provide support during the adverse-visibility situations that the rescuers find during their missions. This interface includes assistance based on the machine learning module denoted as Robust Vision Module, which detects relevant objects in a rescue scenario, particularly victims, using the feed from a thermal camera. This feed can be displayed directly alongside the detected objects, helping FRs to avoid missing anything during their operations. Additionally, the information exposition in the interface is organized according to the biometrical parameters of FRs during the operations. The main novelty of the project is its orientation towards useful solutions for FRs focusing on something occasionally ignored during research projects: the point of view of the final user. The functionalities have been designed after multiple iterations between researchers and FRs, involving testing and evaluation through realistic situations in training scenarios. Thanks to this feedback, the overall satisfaction according to the evaluations of 18 FRs is 3.84 out of 5 for the Robust Vision Module and 3.99 out of 5 for the complete AR interface. These functionalities and the different display modes available for the FRs to adapt to each situation are detailed in this paper. [ABSTRACT FROM AUTHOR]

AbstractBackground In-flight medical emergencies (IMEs) are expected to increase as air travel normalized in the post-COVID-19 era. However, few studies have examined health professions students’ preparedness to respond to such emergencies. Therefore, this study aimed to investigate medical students’ knowledge, confidence, and willingness to assist during an IME in their internship program.Methods This cross-sectional survey utilized an online, self-administered questionnaire-based survey targeted at medical students at two medical colleges in Saudi Arabia. The questionnaire comprised three parts: sociodemographic characteristics, knowledge about aviation medicine (10 items), and confidence (7 items)/willingness (4 items) to assist during an IME. Odds Ratios (OR) and 95% Confidence Intervals (95%CI) were computed to detect potential associations between the knowledge levels and the other independent variables. Responses to confidence and willingness questions were scored on a 5-point Likert scale.Results Overall, 61.4% of participants had inadequate knowledge scores for providing care during an IME, and the proportion of participants did not differ between those who had or had not attended life support courses (60.4% vs. 66.7%, p > 0.99). Only frequency of air travel ≥ two times per year was associated with higher odds of adequate knowledge score [OR = 1.89 (95%CI 1.14–3.17), p = 0.02]. In addition, 93.3% of the participants had low, 6.3% had moderate, and 0.8% had high willingness scores, while 86.3% had low, 12.2% had moderate, and 1.5% had high confidence scores. There were no differences in the proportion of participants with low, moderate, and high willingness or confidence scores by attendance in life support courses.Conclusion Even though over 8 in 10 students in our study had previously attended life support courses, the overwhelming majority lacked the knowledge, confidence, and willingness to assist. Our study underscores the importance of teaching medical students about IMEs and their unique challenges before entering their 7th-year mandatory general internship.

Background: First responders (FRs) are at high risk of being exposed to traumatic events in their occupational roles. Responding to critical incidents often involves exposure to life-threatening circumstances, dealing with fatalities and encountering highly stressful situations that may trigger traumatic responses. These experiences can lead to poor physical and mental health (MH) outcomes including post-traumatic stress disorder, co-morbid conditions such as depression, anxiety, substance abuse, insomnia, and suicidality. Little research has explored the perspectives and experiences of FRs in dealing with occupational trauma(s) and how best to meet their health needs.Objective: This study aimed to explore FRs’ experiences of exposure to occupational trauma and its impact on their mental wellbeing. The wider objective was to investigate how FRs can be supported to access appropriate and relevant help, addressing barriers like stigma.Method: A qualitative research design using in-depth semi-structured interviews with FRs (n = 54) was adopted. Interviews were audio-recorded, transcribed and analysed using an inductive thematic approach.Results: Themes developed were: (1) the pervasive, cumulative and salient impact of occupational trauma on MH (micro-traumas, nightmares, flashbacks and reliving experiences); (2) the demands of the job exacerbating the adverse effects of trauma (self and others); (3) insufficient support and unhelpful ways of coping following exposure to trauma (lack of psychological safety); (4) stigma and fear of judgement as barriers to MH help-seeking; and (5) need for specific, accessible and credible trauma-focused interventions and workplace support.Conclusions: The implications of these findings are discussed at the individual, service provider and organisational level, emphasising the importance of implementing a strengths-based, non-pathologising and de-stigmatising approach to trauma in the workplace as experienced by FRs. Emphasis is placed on the importance of overcoming barriers to accessing MH support and improving access to evidence-based, trauma-focused psychological interventions and workplace support.

Background: Emergency service personnel perform roles associated with high levels of trauma exposure and stress, and not surprisingly experience greater risk for poor mental health including posttraumatic stress disorder (PTSD), depression, anxiety, and substance use relative to the general population. Although programs exist to minimise the risk of developing mental health problems, their efficacy to date has been limited or untested. We will test the efficacy of the three programs which form PEREI: Protecting Emergency Responders with Evidence-Based Interventions. PEREI consists of modified versions of internet-delivered cognitive training in resilience (iCT-R) for early career first responders, PEREI-S for supervisors, and Be Well for Significant Others (BW-SO).Method: Up to 450 members in their first 5 years of service across multiple agencies will be recruited, with their adult supports (significant others, friends) invited to participate. Up to 180 supervisors in the agencies will be recruited. Participants will be randomized to their respective program or to receive the standard practice for mental health offered by the service (or usual mental health support for significant others). Assessments will be conducted pre- and post-program, and at 6- and 12-month follow-up. Primary outcome is PTSD and depression severity and probable-diagnosis. Secondary measures will index hypothesized mediators and moderators of outcome and determine whether the programs are cost-effective.Conclusions: The results will provide evidence as to efficacious methods for reducing risk of mental health problems in high-risk occupations, a better understanding of how such interventions may work, and whether they are good value for money.Trial registration: www.anzctr.org.au (ACTRN12622001267741)

Abstract Out‐of‐hospital cardiac arrest (OHCA) is a global public health problem, with survival rates remaining low at around 10% or less despite widespread cardiopulmonary resuscitation (CPR) training and availability of automated external defibrillators (AEDs). This is partly due to the challenges of knowing when and where a sudden OHCA occurs and where the nearest AED is located. In response, countries around the world have begun to use network technology‐based smartphone applications. These applications are activated by emergency medical service dispatchers and alert preregistered volunteer first responders (VFRs) to nearby OHCAs using Global Positioning System localization. Accumulating evidence, although mostly from observational studies, shows their effectiveness in increasing the rate of bystander CPR, defibrillation, and patient survival. Current guidelines recommend the use of these VFR alerting systems, and the results of ongoing randomized trials are awaited for further dissemination. This article also proposed the concept of a life‐saving mobile network (LMN), which uses opportunistic network and wireless sensor network technologies to create a dynamic mesh network of potential victims, rescuers, and defibrillators. The LMN works by detecting a fatal arrhythmia with a wearable sensor device, localizing the victim and the nearest AED with nearby smartphones, and notifying VFRs through peer‐to‐peer communication. While there are challenges and limitations to implementing the LMN in society, this innovative network technology would reduce the tragedy of sudden cardiac death from OHCA.

Paramedics work under physically and cognitively demanding conditions to provide emergency care. As physical fitness could positively impact the quality of patient care, we investigated within a pilot study whether concurrent training (CT) affects work-related performance parameters in paramedics. At baseline (T1), 16 paramedics performed cardiopulmonary resuscitation whereby resuscitation performance (RP; total resuscitation quality, compressions with correct frequency, and correct ventilation), cognitive performance (CP; reaction time, divided attention, and working memory), and heart rate variability (HRV) were assessed (pre-exertion). Then, participants climbed seven floors carrying 20 kg of gear before completing the same assessments again (post-exertion). The baseline testing was followed by a CT intervention (12 weeks, three sessions/week). After the intervention (T2), the two-stage testing was repeated. We analyzed whether the pre-exertion and post-exertion values, as well as the difference between the pre-exertion and post-exertion values, changed from T1 to T2. Nine paramedics (male: N = 7; age = 26.3 (SD = 8.17) years) took part in the study. The comparison of the pre-exertion values showed significantly better reaction times (p = 0.001) and divided attention (p = 0.02) and a trend toward greater working memory and RP parameters at T2. Regarding the post-exertion values, significant improvements in working memory (p = 0.03) and a trend toward improved reaction time, divided attention, and RP occurred at T2. The difference between the pre- and post-exertion values did not change for any parameter from T1 to T2. HRV decreased significantly from pre- to post-exertion (T1: p = 0.01, T2: p = 0.01). These results indicate that CT is a promising training concept to improve RP and CP in paramedics and should therefore be investigated further to increase patient care quality. [ABSTRACT FROM AUTHOR]

Alcohol misuse and posttraumatic stress disorder (PTSD) co-occur at high rates among first responders (e.g., law enforcement, firefighters, paramedics), underscoring the need to better understand these relations to inform intervention efforts. Identifying malleable processes relevant to the association between PTSD and alcohol among first responders could inform tailored interventions. An example of such a malleable process is spirituality. As such, the current study examined the unique relationships between PTSD symptom clusters and alcohol misuse, while also accounting for the role of select demographics and religion/spirituality, in a sample of first responders. A national online sample of first responders (N = 320) completed measures of PTSD symptomology, alcohol misuse, religion/spirituality and demographics. Hierarchical linear regression analyses revealed that PTSD Intrusion (Cluster B) symptom severity was associated with greater alcohol misuse and PTSD Avoidance (Cluster C) was associated with lower alcohol misuse. Additionally, positive and negative spiritual coping were also associated with alcohol misuse. In the context of similar research among military samples, findings suggest potentially unique associations between PTSD symptom clusters and alcohol misuse among first responders. Additionally, findings highlight the potentially protective role of religion/spirituality in this population. Future research should explore nuanced relationships between PTSD symptom clusters and alcohol misuse as well as the salience of spirituality/religion in this unique population. [ABSTRACT FROM AUTHOR]

The National Institute for Occupational Safety and Health recommends the use of nitrile gloves with a minimum thickness of 5.0 ± 2.0 mil [0.127 ± 0.051 millimeters] in situations where it is suspected or known that fentanyl or other illicit drugs are present. However, there is limited data available on fentanyl permeation through gloves. Current test methods used to measure fentanyl permeation do not consider the effect of glove fit and flexion. Furthermore, first responders need to have PPE readily available in the field, and storage conditions may affect the protective performance of the gloves. The objective of this study was to evaluate the effects of glove stretch and storage temperatures on glove durability and barrier performance against fentanyl. Nine nitrile glove models previously shown to be resistant to fentanyl permeation were selected for this investigation. These nine models were stretched 25% in one linear direction, to consider glove fit and flexion, and tested against fentanyl hydrochloride permeation. Additionally, four of the nine glove models were stored at 48 °C, 22 °C, and −20 °C, and evaluated for tensile strength, ultimate elongation, and puncture resistance after up to 16 wk of storage and fentanyl permeation after up to 8 wk of storage. At least one sample for six of the nine tested models had maximum permeation over the test method fail threshold when stretched. The tested storage temperatures showed no effect on glove tensile strength, ultimate elongation, and puncture resistance. The findings of this study can be used to inform PPE recommendations, with consideration to storage practices and proper sizing for first responders with potential exposure to fentanyl and other illicit drugs. The results of this study can be used to assess the need for new standard test methods to evaluate the barrier performance of gloves and shelf-life determination with consideration to glove fit. [ABSTRACT FROM AUTHOR]

Out‐of‐hospital cardiac arrest (OHCA) is a global public health problem, with survival rates remaining low at around 10% or less despite widespread cardiopulmonary resuscitation (CPR) training and availability of automated external defibrillators (AEDs). This is partly due to the challenges of knowing when and where a sudden OHCA occurs and where the nearest AED is located. In response, countries around the world have begun to use network technology‐based smartphone applications. These applications are activated by emergency medical service dispatchers and alert preregistered volunteer first responders (VFRs) to nearby OHCAs using Global Positioning System localization. Accumulating evidence, although mostly from observational studies, shows their effectiveness in increasing the rate of bystander CPR, defibrillation, and patient survival. Current guidelines recommend the use of these VFR alerting systems, and the results of ongoing randomized trials are awaited for further dissemination. This article also proposed the concept of a life‐saving mobile network (LMN), which uses opportunistic network and wireless sensor network technologies to create a dynamic mesh network of potential victims, rescuers, and defibrillators. The LMN works by detecting a fatal arrhythmia with a wearable sensor device, localizing the victim and the nearest AED with nearby smartphones, and notifying VFRs through peer‐to‐peer communication. While there are challenges and limitations to implementing the LMN in society, this innovative network technology would reduce the tragedy of sudden cardiac death from OHCA. [ABSTRACT FROM AUTHOR]

Objectives: Firefighters are at heightened risk for chronic occupational stress and exposure to potentially traumatic events. Experiencing potentially traumatic events is a risk factor for various psychiatric symptoms among firefighters, notably posttraumatic stress disorder (PTSD), depression, and anxiety. This study evaluated the feasibility and preliminary effectiveness of yoga to reduce PTSD symptoms, negative affect, and trait anxiety in firefighters. Methods: A total of 108 trauma-exposed career firefighters (99% male; Mage = 34.55, SD = 8.37) were enrolled in a single-arm 8-week yoga intervention, termed Mind–Body Tactical Training (MBTT). Feasibility was assessed in five domains. Self-report measures were used to evaluate the MBTT intervention's effectiveness in reducing symptoms of PTSD, negative affect, and trait anxiety. The Intervention Appropriateness Measure was employed to assess acceptability. Attrition, attendance, and intervention costs were used to determine demand, implementation, and practicality, respectively. Results: Total PTSD (p < 0.001, d = 0.426), negative affect (p = 0.029, d = 0.242), and trait anxiety (p < 0.001, d = 0.327) decreased from pre- to post-intervention. Improvements in trait anxiety were also observed from pre-intervention to follow-up (p = 0.032). The intervention was generally acceptable to participants, had a 6.48% attrition rate, and had an 80.73 ± 18.96% class attendance. The cost of instructors and equipment totaled US$6636.78, equating to a cost per participant per attended class of US$4.76. Conclusions: The current study provides initial evidence for the feasibility and effectiveness of yoga as a transdiagnostic treatment for firefighters. Preregistration: This study is not preregistered. [ABSTRACT FROM AUTHOR]

A growing body of evidence demonstrates potential adverse mental health outcomes associated with exposure to occupational trauma among first responders. In response, policymakers nationwide are eager to work on these issues as evidenced by the number of states covering or considering laws for mental health conditions for first responders. Yet, little information exists to facilitate understanding of the impact of mental health-related policies in the United States on this important population. This study aims to identify and synthesize relevant state-level policies and related research on first responder mental health in the United States. Using a scoping review framework, authors searched the empirical and policy literature. State level policies were identified and grouped into two categories: (1) Workers' Compensation-related policies and (2) non-Workers' Compensation (WC) related policies. While benefits levels and other specifics vary greatly by state, 28 states cover certain first responder mental health claims under WC statutes. In addition, at the time of this study, 28 states have policies governing first responder mental health outside of WC. Policies include requiring mental health assessments, provisions for counseling and critical incident management, requiring education and training, providing funding to localities for program development, bolstering peer support initiatives and confidentiality measures, and establishing statewide offices of responder wellness, among others. Authors found a dearth of outcomes research on the impact of state level policies on first responder mental health. Consequently, more research is needed to learn about the direct impact of legislation and establish best practice guidelines for implementing state policy on first responder mental health. By conducting systematic evaluations, researchers can lay the foundation for an evidence-based approach to develop more integrated systems that effectively deliver and finance mental health care for first responders who experience work-related trauma. Such evaluations are crucial for building an understanding of the impact of policies and facilitating improvements in the support provided to first responders in managing mental health challenges arising from their work. [ABSTRACT FROM AUTHOR]

Burnout is costly to the healthcare system and is associated with medical error, absenteeism, and attrition. Emergency medical services (EMS) clinicians endure numerous stressors that predispose them to experience burnout. An instrument was administered to licensed EMS clinicians recruited from 16 services across Massachusetts. The anonymous survey consisted of demographics, the Copenhagen Burnout Inventory (CBI) instrument, and 5-possibility Likert scales. Prevalence ratios were calculated to determine which demographic qualities and burnout-related factors were associated with increased CBI scores. In total, 386 EMTs were surveyed (62.2% male). The survey response rate was 21.4%. The mean CBI was 52.97 (SD 17.88). A positive burnout screen (CBI score = >50) was calculated for 55.4% of respondents. Respondents most often reported that inadequate compensation (87.5%) and high call volume (79.2%) contributed to perceived stress at work. Factors most associated with positive burnout screening amongst respondents were inadequate compensation (PR 5.8, CI 2.52–12.38, p < 0.001) and inadequate opportunity to process trauma (PR 2.88, CI 2.14–3.87, p < 0.001). Over half of the surveyed EMS population suffers from burnout, based on the CBI assessment tool. Factors contributing most to positive burnout screening include inadequate compensation and lack of opportunity to process trauma. [ABSTRACT FROM AUTHOR]

Highlights Pre- and post-tests, administered to 2,141 emergency first responder participants, showed an average improvement in test scores from 67% to 75%, highlighting the efficacy of the training. Interviews conducted within 3 years post-training revealed high participant satisfaction, with over 25% reporting adoption of key strategies discussed in the training by their fire/rescue service. Areas of concern were identified, including the lack of understanding related to certain hazards, such as free-flowing grain, which may put first responders at risk of secondary victimization. Purdue University’s Agricultural Safety and Health Program has provided leadership for nearly 40 years in the documentation of fatalities and injuries associated with agricultural confined spaces, especially those relating to grain storage, handling, and transport. Findings have been used to develop evidence-based resources to assist in the prevention and mitigation of these incidents, including the design of in-service training resources for emergency rescue and medical personnel responding to entrapments or engulfment in agricultural confined spaces. To enhance the efficacy and consistency of these training resources, a list of core competencies was developed with companion test questions by a panel of experts to validate the baseline understanding and knowledge gain of training participants. The test questions were pilot tested as pre- and post-tests and incorporated into a curriculum developed under a U.S. Department of Labor Susan Harwood Training Grant. The twenty-question pre- and post-tests were administered to 2,141 registered emergency first responder participants in training conducted primarily in Indiana. Participation was voluntary, providing 671 usable matched pre- and post-tests. On average, test scores improved from 67% to 75%. A question-by-question review highlighted areas of common knowledge as well as at least one topic in which the potential for confusion was increased by the instructional content. In addition, participants were interviewed within 3 years to assess the impact of the training received. Interviewees indicated a high level of satisfaction with the training, and over 25% indicated that their fire/rescue service adopted at least one of the seven key strategies discussed in the training. One key concern observed in training was the lack of understanding related to certain hazards, such as the nature of free-flowing grain, that may put first responders at risk of becoming secondary victims during rescue and extrication efforts. A need was identified for continued improvement of emergency first responder training through the incorporation of recent research findings on confined space rescue, greater attention to the prevention of secondary injuries, and more consistent instructor preparation in order to increase the probability of successful outcomes from incidents involving grain storage, handling, and transport. [ABSTRACT FROM AUTHOR]

AbstractIntroductionMethodsResultsConclusionsWildland firefighters are posited to have a higher suicide rate than general firefighters and the general population. However, the rates and risk factors of suicide among wildland firefighters is not fully understood.For this preregistered study, 564 participants were recruited from Facebook to obtain a final sample of 246 participants with valid data who were current or former wildland firefighters in the United States. Participants completed online measures of suicidal ideation, history of suicidal behaviors, posttraumatic stress disorder (PTSD) symptoms, problematic alcohol use, and occupational exposure to suicide.In this sample, 22% of wildland firefighters reported a history of at least one suicide attempt, and 36.7% reported current suicidal ideation. PTSD symptoms, but not problematic alcohol use or exposure to suicide, were positively associated with suicidal ideation and a history of suicide attempts. Additionally, PTSD symptoms explained significantly more variance in suicidal ideation than depression symptoms alone.Wildland firefighters demonstrate rates of suicide attempts that exceed those of non-wildland firefighters and of the general population at large. In addition, PTSD symptoms may contribute to suicidal thoughts and behaviors (STB) in this population. This is the largest study of STB in wildland firefighters to date. [ABSTRACT FROM AUTHOR]

The fire service suffers from high rates of cardiovascular disease and poor overall health, and firefighters often suffer fatal and non-fatal injuries while on the job. Most fatal injuries result from sudden cardiac death, while non-fatal injuries are to the musculoskeletal system. Previous works suggest a mechanistic link between several health and performance variables and injury risk. In addition, studies have suggested physical activity and nutrition can improve overall health and occupational performance. This review offers practical applications for exercise via feasible training modalities as well as nutritional recommendations that can positively impact performance on the job. Time-efficient training modalities like high-intensity interval training and feasible modalities such as resistance training offer numerous benefits for firefighters. Also, modifying and supplementing the diet and can be advantageous for health and body composition in the fire service. Firefighters have various schedules, making it difficult for planned exercise and eating while on shift. The practical training and nutritional aspects discussed in this review can be implemented on-shift to improve the overall health and performance in firefighters. [ABSTRACT FROM AUTHOR]

Background: Public safety personnel (PSP) such as firefighters, paramedics, and police are exposed to traumatic situations, which increase their risk for mental health issues. However, many PSP do not seek help in a timely manner. Peer support interventions have the potential to decrease stigma and increase treatment-seeking behaviours among PSP. However, little is known regarding how the organizational culture of public safety organizations (PSOs) affects the implementation of a peer-based intervention. This study aims to understand the extent to which organizational culture, including masculinity contest cultures (MCC), within Canadian PSOs could affect implementation of PeerOnCall, a new peer support app for PSP. Methods: A qualitative multiple case study design was adopted, integrating semi-structured interviews with organizational champions from five PSOs. One to three champions from each PSO acted as key informants regarding their organizations. Interviews explored champions' perceptions of how organizational culture might shape implementation. Interview data were analyzed using inductive thematic analysis. Results: Three themes were identified in analysis of the champion interviews. The first theme focused on external drivers and the second theme focused on internal drivers of organizational culture shift. The third theme focused on how culture can create resistance to implementation. Importantly, the MCC norm of show no weakness was described as a source of potential resistance when implementing the app. Conclusions: Each PSO had a unique and changing culture. Understanding how champions anticipate the role of culture in shaping implementation of an app-based intervention like PeerOnCall can guide the creation of contextually relevant strategies that optimize implementation within PSOs. Recommendations for optimizing implementation and areas for further study are provided.

Background: Before the arrival of patients at medical facilities, emergency medical teams often encounter numerous challenges in dealing with mass casualties resulting from road traffic accidents. This study examines the challenges that pre-hospital emergency medical services face during mass casualty incidents caused by road traffic accidents. Materials and Methods: This study presents three road accidents that caused significant numbers of casualties in Golestan Province, Iran. The data for this report was gathered from various sources, including recorded images and videos, analysis of hospital records, and pre-hospital care reports. In addition, group discussions were held with emergency medical technicians who were present at the accident scene. Results: Providing relief aid in three sections, namely first responders, emergency call centers, and emergency medical technicians faces significant challenges. The challenges related to the management of mass casualties were mainly in terms of the inability to manage the accident scene by the first responders, management of calls and sharing information in the dispatch center, and medical measures required to be done at the incident scene. Conclusion: To ensure a prompt and efficient response to mass casualty incidents, it is crucial to focus on managing the incident scene by the first responders, as well as optimizing the communication and information exchange during dispatches and field medical interventions. To enhance the quality of emergency medical services, it is vital to develop educational programs, communication strategies, and standardized policies that can be implemented across all mass casualty incidents.

Handling human remains is extremely difficult and stressful task, and it can contribute to the development of stress-related mental health problems. To prevent disaster from the development of mental disorders in first responders, it will be important to elucidate factors sustaining psychological well-being following the events requiring handling of human remains. Japanese Ground Self-Defense Forces (JGSDF) first responders (n = 146), involved in human remains recovery after the Great East Japan Earthquake (GEJE) participated. We examined the psychological resilience (S-H Resilience Test), depressive symptoms (SDS), and psychological distress (GHQ-28) 6 years after GEJE, in three groups; Group A: no contact no view of human remains, B: view only of human remains, and C: direct handling of human remains. S-H Resilience test evaluated the 3 subclasses of resilience; Social Support, Self Efficacy, Sociality. One-way ANOVA revealed the significant difference in resilience scores between Group B and C without any differences in depressive symptoms or psychological distress among the 3 groups. Multiple regression analyses revealed that depressive symptoms and resilience were associated with psychological distress in all participants. Path analyses showed that whereas one subtype of resilience indirectly reduced psychological distress through lower depressive symptoms in Group A (Social Support) and Group B (Sociality), both subtypes of resilience indirectly reduced psychological distress by lowering depressive symptoms in Group C. These findings suggest that exposure to higher stressful situation may decrease the psychological resilience based on the S-H Resilience test, and two subtypes of resilience may be necessary to sustain the psychological well-being. [ABSTRACT FROM AUTHOR]

Severe external hemorrhage is a significant reason for morbidity and mortality in adults; thus, the swift and correct application of a tourniquet by laypersons can be lifesaving. We conducted this randomized-controlled cross-over study to investigate the use of a novel tourniquet. Participants were recruited at the Heidelberg University Hospital. Eligible participants were ≥ 18 years old with a medical background but without prior experience in applying a tourniquet. Participants were 1:1 randomized to the intervention group (PAX tourniquet) or the control group (SAM or CAT tourniquet). In the control group, participants underwent another randomization to either the SAM or CAT tourniquet without a predefined allocation ratio. Hyperspectral measurements were undertaken (i) before ligation, (ii) 30 s after ligation, and (iii) 30 s after the reopening of the tourniquet. The primary outcome was time until ligation before crossover between the respective groups. The analysis of secondary endpoints included all attempts to assess a possible learning effect, intraoperator variability, and hyperspectral measurements. Participants were crossed to the other study group after a brief wash-out phase. In total, 50 participants were recruited, resulting in 100 attempts. A success rate of 98% was observed across the study population. Time until ligation was 49 s and 56 s (p = 0.572) in the intervention and control group, respectively. However, there was a significant difference between the PAX and SAM (54 vs 75 s; p = 0.037) and the SAM and CAT tourniquet (75 vs. 47 s; p = 0.015). Further, we observed a significant learning effect in participants allocated to the control group first, with a median reduction of 9 s in the time until ligation. Hyperspectral measurements showed a significant decrease in perfusion and tissue oxygenation after ligation. Further, a significant increase in perfusion and tissue oxygenation was found after reopening the tourniquet compared to the baseline measurement. The novel PAX tourniquet can be applied quickly and effectively by medical personnel without prior experience in applying a tourniquet. [ABSTRACT FROM AUTHOR]

Background: Before the arrival of patients at medical facilities, emergency medical teams often encounter numerous challenges in dealing with mass casualties resulting from road traffic accidents. This study examines the challenges that pre-hospital emergency medical services face during mass casualty incidents caused by road traffic accidents. Materials and Methods: This... [ABSTRACT FROM AUTHOR]

Firefighter trainees need a level of fitness to be admitted to and complete a training academy. Fitness could indicate a trainee's likelihood of graduation, in addition to their reasons for release. This study determined fitness differences between firefighter trainees who graduated (GRAD) from academy or were released because of injury (RELI), performance test failures (RELP), or resignation (RELR), and whether fitness predicted graduation. Occupational physical ability test (OPAT) data for 686 trainees were analyzed, including: Illinois agility test; push-ups; pull-ups; leg tucks; maximal aerobic capacity (...O2max); backward overhead medicine ball throw; 10-repetition maximum deadlift; and farmer's carry. Raw and scaled (based on internal scoring) scores were recorded. Trainees were split into GRAD (n = 576), RELI (n 5 33), RELP (n = 66), and RELR (n = 11) groups. A 1-way ANOVA with Bonferroni post hoc calculated between-group differences. Stepwise linear regression determined whether fitness predicted group inclusion. Receiver operating curves and area under the curve (AUC) derived test accuracy for predicting academy release. The GRAD group was superior (p ≤ 0.04) to the RELI group in all tests except push-ups, pull-ups, and farmer's carry; RELP group in all tests except the farmer's carry; and RELR group in ...O2max, deadlift, and total OPAT score. Select fitness tests could predict inclusion in each group, although the explained variances were low (~1 -11%). Raw ...O2max (AUC = 0.71) and total OPAT score (AUC = 0.74) had acceptable prediction accuracy. Fitness influenced academy graduation and reasons for release. Scaled scores could predict group inclusion in this department; ...O2max and total OPAT score provided the most accurate predictors for release. [ABSTRACT FROM AUTHOR]

BACKGROUND: Fitness tests have been previously used to predict academy graduation and highlight specific capacities to be targeted in applicants/trainees to optimise their potential for academy success. OBJECTIVE: To compare the fitness of graduated and released (did not complete academy requirements) firefighter trainees and explore using decision tree analysis to predict academy graduation via fitness tests. METHODS: Retrospective analysis was conducted on 686 trainees who completed an occupational physical ability test (OPAT): Illinois agility test; push-ups; pull-ups; leg tucks; estimated maximal aerobic capacity (VO2max); backwards overhead 4.54-kg medicine ball throw; 10-repetition maximum deadlift; and 91.44-m farmer's carry. Data were recorded in raw and scaled scores (tests scored from 0–100; maximum OPAT score was 800). Trainees were split into 'graduated' (GRAD; n = 576) or 'released' (REL; n = 110) groups. Mann-Whitney U-tests compared between-group OPAT scores. A decision tree analysis using Chi-square automatic interaction detection was conducted, with raw and scaled scores entered into the analysis. A separate analysis was conducted with only the raw scores. RESULTS: GRAD trainees outperformed REL trainees in all OPAT events (p < 0.001). OPAT total score was the best predictor of academy graduation (p < 0.001), followed by the deadlift score (p = 0.003). Estimated VO2max was the only significant raw score predictor (p < 0.001). CONCLUSIONS: GRAD trainees were fitter than the REL trainees. Fitness could predict trainees who graduated from the academy. Overall fitness (OPAT total score), muscular strength (deadlift) and aerobic capacity were important graduation predictors. Training staff could develop these fitness qualities in their trainees to potentially improve fire academy graduation rates. [ABSTRACT FROM AUTHOR]

The widespread use of fossil fuels in automobiles has become a concern, particularly in light of recent frequent natural disasters, prompting a shift towards eco-friendly vehicles to mitigate greenhouse gas emissions. This shift is evident in the rapidly increasing registration rates of hydrogen vehicles. However, with the growing presence of hydrogen vehicles on roads, a corresponding rise in related accidents is anticipated, posing new challenges for first responders. In this study, computational fluid dynamics analysis was performed to develop effective response strategies for first responders dealing with high-pressure hydrogen gas leaks in vehicle accidents. The analysis revealed that in the absence of blower intervention, a vapor cloud explosion from leaked hydrogen gas could generate overpressure exceeding 13.8 kPa, potentially causing direct harm to first responders. In the event of a hydrogen vehicle accident requiring urgent rescue activities, the appropriate response strategy must be selected. The use of blowers can aid in developing a variety of strategies by reducing the risk of a vapor cloud explosion. Consequently, this study offers a tailored response strategy for first responders in hydrogen vehicle leak scenarios, emphasizing the importance of situational assessment at the incident site. [ABSTRACT FROM AUTHOR]

Policing is an occupation that entails strong negative emotional experiences, and stereotypes suggest that police suppress their emotions and become emotionally detached. However, less is known about the emotion regulation strategies that police officers employ and how these strategies are associated with their well-being. Past work in non-police samples demonstrates that cognitive reappraisal is more beneficially associated with quality of life, whereas expressive suppression is more detrimentally associated with quality of life. This study hypothesized that the use of these two emotion regulation strategies would show similar patterns in a sample of American police officers from the northeast USA. Police officers (N = 118) completed self-report measures of emotion regulation strategies and multiple subjective well-being indices. Cognitive reappraisal was positively correlated with job satisfaction, satisfaction with life, and some but not all of the quality of life indices. Expressive suppression was negatively correlated with job satisfaction, satisfaction with life, and some but not all of the quality of life indices. These results could potentially be used to inform early intervention trainings that emphasize emotion regulation. Further research is needed to explore the implementation of emotion regulation-based programs in police officers to enhance their quality of life. [ABSTRACT FROM AUTHOR]

Abstract Background Police forces are abundant circulating and might arrive before the emergency services to Out-of-Hospital-Cardiac-Arrest victims. If properly trained, they can provide basic life support and early defibrillation within minutes, probably increasing the survival of the victims. We evaluated the impact of local police as first responders on the survival rates of out-of-hospital cardiac arrest victims in Navarra, Spain, over 7 years. Methods A retrospective analysis of an ongoing Out-of-Hospital Cardiac registry to compare the characteristics and survival of Out-of-Hospital-Cardiac-Arrest victims attended to in first place by local police, other first responders, and emergency ambulance services between 2014 and 2020. Results Of 628 cases, 73.7% were men (aged 68.9 ± 15.8), and 26.3% were women (aged 65,0 ± 14,7 years, p 0.1). Time to initiating cardiopulmonary resuscitation is significant for survival. When police arrived first and started CPR before the emergency services, they arrived at a mean of 5.4 ± 3 min earlier (SD = 3.10). This early police intervention showed an increase in the probability of survival by 10.1%. Conclusions The privileged location and the sole amount of personnel of local police forces trained in life support and their fast delivery of defibrillators as first responders can improve the survival of out-of-hospital cardiac arrest victims.

Aim: Smartphone alerting systems (SAS) alert volunteers in close vicinity of suspected out-of-hospital cardiac arrest. Some systems use sophisticated algorithms to select those who will probably arrive first. Precise estimation of departing times and travel times may help to further improve algorithms. We developed a global positioning system (GPS) based method for automatic measurements of departing times. The aim of this pilot study was to evaluate feasibility and precision of the method. Methods: Region of Lifesavers alerting app (iOS/ Android, version 3.0, FirstAED ApS, Denmark) was used in this study. 27 experiments were performed with 9 students, who were instructed to stay in their flats during the study days. A geofence was set for each alarm in the alerting system with a radius of 10 m (8 cases), 15 m (10 cases), and 20 m (9 cases) around the GPS position at which the alarm was accepted in the app. The system logged responders as being departed when the smartphone position was registered outside the geofence. The students were instructed to manually start a stopwatch at the time of the alert and to stop the stopwatch once they had entered the street in front of their flat. Results: The median difference between automatically and manually retrieved times were −16 seconds [interquartile range IQR 50 seconds] (geofence 10 m), 30 seconds [IQR 25 seconds] (15 m), and 20 seconds [IQR 13 seconds] (20 m), respectively. The 20 m geofence was associated with the smallest interquartile range. Conclusion: Departing times of volunteer responders in SAS can be retrieved automatically using GPS and a geofence.

Peers, i.e. people with lived/living experience of substance use, are at the forefront of harm reduction initiatives in British Columbia, yet they often lack recognition for their contributions. This study aims to understand the role of peers in overdose response settings and their experiences interacting with emergency service providers (ESPs) within the context of the Good Samaritan Drug Overdose Act (GSDOA). Telephone interviews were conducted with 42 people aged 16 years and older, who were likely to witness and respond to overdoses. Participants were asked about their experiences witnessing or responding to overdoses, and interactions with ESPs. Interview transcripts were analyzed thematically. Peers were often the first to respond to overdoses due to their positioning and saw themselves as having unique expertise in responding to overdoses and connecting with other people who use substances. However, peers perceived several barriers that impacted their ability to respond, including stigmatizing attitudes toward ESPs, lack of recognition, and lack of adequate resources. While policies, such as the GSDOA are in place to promote calling 9-1-1, peers feel confident and competent in responding to overdoses and often consider calling 9-1-1 a waste of resources. There is a need to better recognize and support peers as first responders in overdose contexts. [ABSTRACT FROM AUTHOR]

Previous research has widely recognized the challenges uniformed police officers face in their working lives. However, little is known about the overall lifestyles of police officers, including what they do in private life. We interviewed 17 officers and used reflexive thematic analysis to explore their experiences. The study sheds light on how uniformed police officers navigate the intersection between their private and professional lives, as well as how their professional role impacts their day-to-day doings and private life roles. The key findings relate to how the demands of their professional role impact their private life, such as the profession becoming a way of life. Furthermore, they highlight the challenges of avoiding certain environments where they might be recognized as police officers. It also entails balancing energy levels in work and private life, as well as how their profession's unpredictability affects their daily routines and roles. The findings also show how their personal choices in private life are frequently influenced by their professional role. The study's findings have theoretical as well as practical implications, contributing to a better understanding of uniformed police officers' challenges and resources for a sustainable and healthy lifestyle. [ABSTRACT FROM AUTHOR]

The article provides an insight into the scope of work and legal status of first responders. First responders are qualified first aid providers who bridge the time until an emergency vehicle arrives. They provide initial care and are mainly deployed in remote areas. The legal regulation of first responders varies depending on the federal state and district. The legal status of first responders is derived from the SanG (Emergency Medical Services Act) and includes a general obligation to provide assistance according to § 95 of the Criminal Code. The article describes the general duties of a first responder according to the SanG, including the application of qualified first aid, regular further training, and documentation of measures taken. The first responder acts as an agent of the rescue organization and is not exposed to the risk of a claim for disturbance of possession. It is suggested that first responders, who work as first aid providers, should also be included in quality assurance obligations. [Extracted from the article]

Background: Paediatric emergencies are challenging for healthcare workers, first aiders, and parents waiting for emergency medical services to arrive. With the expected rise of virtual assistants, people will likely seek help from such digital AI tools, especially in regions lacking emergency medical services. Large Language Models like ChatGPT proved effective in providing health-related information and are competent in medical exams but are questioned regarding patient safety. Currently, there is no information on ChatGPT’s performance in supporting parents in paediatric emergencies requiring help from emergency medical services. This study aimed to test 20 paediatric and two basic life support case vignettes for ChatGPT and GPT-4 performance and safety in children. Methods: We provided the cases three times each to two models, ChatGPT and GPT-4, and assessed the diagnostic accuracy, emergency call advice, and the validity of advice given to parents. Results: Both models recognized the emergency in the cases, except for septic shock and pulmonary embolism, and identified the correct diagnosis in 94%. However, ChatGPT/GPT-4 reliably advised to call emergency services only in 12 of 22 cases (54%), gave correct first aid instructions in 9 cases (45%) and incorrectly advised advanced life support techniques to parents in 3 of 22 cases (13.6%). Conclusion: Considering these results of the recent ChatGPT versions, the validity, reliability and thus safety of ChatGPT/GPT-4 as an emergency support tool is questionable. However, whether humans would perform better in the same situation is uncertain. Moreover, other studies have shown that human emergency call operators are also inaccurate, partly with worse performance than ChatGPT/GPT-4 in our study. However, one of the main limitations of the study is that we used prototypical cases, and the management may differ from urban to rural areas and between different countries, indicating the need for further evaluation of the context sensitivity and adaptability of the model. Nevertheless, ChatGPT and the new versions under development may be promising tools for assisting lay first responders, operators, and professionals in diagnosing a paediatric emergency. Trial registration: Not applicable. [ABSTRACT FROM AUTHOR]