Zhenyu Shan, Xingsheng Wang, Le An, Chenchen Hang, Zihao Jiang, Weijie Cheng, Ziqi Zhong, Rui Shao, Ziren Tang
{"title":"Association between humoral immunity and clinical outcomes of patients after out-of-hospital cardiac arrest and resuscitation: a retrospective study.","authors":"Zhenyu Shan, Xingsheng Wang, Le An, Chenchen Hang, Zihao Jiang, Weijie Cheng, Ziqi Zhong, Rui Shao, Ziren Tang","doi":"10.1186/s12873-025-01282-0","DOIUrl":"10.1186/s12873-025-01282-0","url":null,"abstract":"<p><strong>Background: </strong>Patients with out-of-hospital cardiac arrest (OHCA) suffer from hypoxia-ischemia and ischemia-reperfusion injury (IRI) after the return of spontaneous circulation (ROSC). The impact of early humoral immunity on prognosis in this process remains unclear.</p><p><strong>Methods: </strong>Outcomes at discharge were evaluated in 183 patients resuscitated from OHCA, including neurological outcomes as measured by CPC scores, survival, and length of stay (LOS). Humoral immunity, including IgG, IgA, IgM, C3, and C4, was tested on the first day of admission. Difference test, restricted cubic spline, and correlation analysis were used to analyze the correlation between humoral immunity and outcomes.</p><p><strong>Results: </strong>Differences were observed in IgM, C3, and C4 levels among patients with different prognoses. Patients with poor prognosis have lower IgM levels (CPC 1-2 vs. CPC 3-5: 68.3[47.05-105] vs. 55.45[31.95-86.12] mg/dL, P = 0.0256), lower C3 levels (CPC 1-2 vs. CPC 3-5: 72.1[62.6-72.1] vs. 63.05[49.83-79.72] mg/dL, P = 0.0091; survival vs. dead: 72.1[60.9-86.62] vs. 58.7[43.7-72.6] mg/dL, P < 0.0001), and lower C4 levels (survival vs. dead: 18.9[15.38-22.92] vs. 17.2[11.85-21.5] mg/dL, P = 0.0148). Non-linear correlations were found between humoral immunity and prognosis (IgM: OR<sub>non-linear</sub>=1.068[95%CI: 1.009-1.130], P<sub>non-linear</sub>=0.0236); C3: OR<sub>non-linear</sub>=1.048[95%CI: 1.000-1.097], P<sub>non-linear</sub>=0.0488). LOS was negatively linearly correlated with IgG (R<sup>2</sup><sub>adjusted</sub> = 0.115, P = 0.0148) and C3 (R<sup>2</sup><sub>adjusted</sub> = 0.127, P = 0.0108) in patients with CPC 1-2.</p><p><strong>Conclusions: </strong>Humoral immunity is at a low level in OHCA patients after ROSC, and humoral immunity was associated with neurological prognosis, survival at discharge, and LOS.</p>","PeriodicalId":9002,"journal":{"name":"BMC Emergency Medicine","volume":"25 1","pages":"124"},"PeriodicalIF":2.3,"publicationDate":"2025-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12261566/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144635994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Diagnostic performance of a novel clinical score for predicting acute ischemic stroke in emergency department patients presenting with vertigo or dizziness.","authors":"Tuğba Sanalp Menekşe, İlker Şirin, Yavuz Otal","doi":"10.1186/s12873-025-01284-y","DOIUrl":"10.1186/s12873-025-01284-y","url":null,"abstract":"<p><strong>Background: </strong>Vertigo or dizziness (VDS) are common reasons for emergency department (ED) visits and pose significant challenges in the early identification of acute ischemic stroke (AIS). The TriAGe + score was developed to predict AIS in patients presenting with VDS without relying on neuroimaging; however, its diagnostic accuracy compared with ABCD-based scores remains uncertain. This study aims to evaluate the efficacy of the TriAGe + score in distinguishing central ischemic causes from peripheral etiologies in patients with VDS and to compare its predictive accuracy for AIS, including posterior circulation infarctions (PCIs), with that of the ABCD2, ABCD3, and ABCD3-I scores.</p><p><strong>Methods: </strong>This retrospective cohort study evaluated 1,138 patients who presented to a tertiary ED with VDS complaints between January 2023 and July 2024. After applying the exclusion criteria, 886 patients were included. All patients underwent diffusion-weighted magnetic resonance imaging within 72 h for diagnostic confirmation. On the basis of the imaging results, 210 patients were diagnosed with AIS, while 676 patients without findings consistent with AIS were considered the control group. The predictive performance of the TriAGe + and ABCD scores was evaluated in both groups via logistic regression and receiver operating characteristic (ROC) analyses.</p><p><strong>Results: </strong>PCIs accounted for 74.3% of all AIS cases. The TriAGe + score demonstrated greater diagnostic accuracy than did the ABCD scores in the ROC analysis among all patients (AUC = 0.979; 95% confidence interval [CI]: 0.967-0.987). For the diagnosis of AIS in all patients, the TriAGe + score had a cutoff value of > 7, with a sensitivity of 91% and a specificity of 91.3%. In patients without focal weakness or sensory loss, the TriAGe + score remained a strong predictor of AIS, with a cutoff value of 5, yielding a sensitivity of 97.5% and a specificity of 80.9% (AUC = 0.950; 95% CI: 0.932-0.964).</p><p><strong>Conclusion: </strong>The TriAGe + score is useful in the diagnosis of AIS in patients presenting to the ED with VDS complaints. It outperforms ABCD scores in sensitivity and specificity, particularly in cases without focal neurological deficits. Implementing the TriAGE + score may optimize neuroimaging use, reduce healthcare costs, and improve ED efficiency by assisting clinicians in prioritizing high-risk patients.</p><p><strong>Clinical trial number: </strong>Not applicable.</p>","PeriodicalId":9002,"journal":{"name":"BMC Emergency Medicine","volume":"25 1","pages":"127"},"PeriodicalIF":2.3,"publicationDate":"2025-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12261693/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144635996","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Arianna Scala, Teresa Angela Trunfio, Massimo Majolo, Michelangelo Chiacchio, Giuseppe Russo, Paolo Montuori, Giovanni Improta
{"title":"Predicting patient risk of leaving without being seen using machine learning: a retrospective study in a single overcrowded emergency department.","authors":"Arianna Scala, Teresa Angela Trunfio, Massimo Majolo, Michelangelo Chiacchio, Giuseppe Russo, Paolo Montuori, Giovanni Improta","doi":"10.1186/s12873-025-01287-9","DOIUrl":"10.1186/s12873-025-01287-9","url":null,"abstract":"<p><p>Emergency department (ED) overcrowding has become a critical issue in hospital management, leading to increased patient wait times and higher rates of individuals leaving without being seen (LWBS). This study aims to identify key factors influencing LWBS rates and to develop a predictive model using machine learning (ML) techniques. A retrospective analysis was conducted on 80,614 ED visits recorded at Maresca Hospital in Torre del Greco, Italy, between 2019 and 2023. Statistical analyses were performed to examine correlations between patient characteristics, operational variables, and LWBS occurrences. Four ML classification algorithms-Random Forest, Naïve Bayes, Decision Tree, and Logistic Regression-were evaluated for their predictive capabilities. Random Forest demonstrated the highest performance on the minority class, achieving an overall accuracy of 72%. Feature importance analysis highlighted waiting time, triage score, and access mode as significant predictors. These findings suggest that predictive modeling may support hospital resource planning and patient flow management strategies to reduce LWBS rates.</p>","PeriodicalId":9002,"journal":{"name":"BMC Emergency Medicine","volume":"25 1","pages":"121"},"PeriodicalIF":2.3,"publicationDate":"2025-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12261541/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144636092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Keivan Babaei, Faezeh Ghesmati, Amir Hossein Nowzari, Afshin Goodarzi
{"title":"Performance improvers in cardio-pulmonary resuscitation: a qualitative study.","authors":"Keivan Babaei, Faezeh Ghesmati, Amir Hossein Nowzari, Afshin Goodarzi","doi":"10.1186/s12873-025-01281-1","DOIUrl":"10.1186/s12873-025-01281-1","url":null,"abstract":"<p><strong>Introduction: </strong>In-hospital cardiac arrest is a critical event, and while cardiopulmonary resuscitation (CPR) is the primary intervention, human factors significantly influence its quality. Traditional quantitative studies often fail to capture the impact of resuscitation team members' operational and emotional experiences. To address this gap, this qualitative study uses a pragmatist approach to explore the factors that improve the performance of resuscitation team members in emergency departments.</p><p><strong>Methods: </strong>A qualitative content analysis was conducted in Western Iran from January /2024 to July /2024, to explore factors improving the performance of resuscitation team members. Participants included 25 nurses and physicians from in-hospital resuscitation teams, selected through purposive sampling. Data was collected through in-depth, semi-structured interviews. Graneheim and Lundman's systematic approach was employed to analyze the data and uncover latent and manifest content.</p><p><strong>Results: </strong>The mean age of participants was 34 years (range 24-51 years), and most held a bachelor's degree in nursing (48%). The collected data were categorized into a theme titled \" latent enhancers \" and three main categories with ten subcategories. These categories and subcategories included Perceived beliefs influencing resuscitation (Positive spiritual feedback, mental simulation, and compassion), organizational catalysts (effective leadership, responsive physical space, fertility of motivation, and fruitful education), and psychological improvers (euphoria, pride in competence, and Hope in the shadow of a surprising successful resuscitation).</p><p><strong>Conclusion: </strong>Rescuers' positive beliefs, effective organizational factors, and Psychological improvers were themes extracted from the experiences of rescuers in our study. Holding psychoanalysis sessions with the to create a positive attitude in rescuers towards the outcomes of resuscitation, as well as empowering resuscitation leaders through training leadership skills, considering organizational incentives for resuscitation team members, suitable physical space, and the use of operational training will be an effective and helpful measure in this regard.</p><p><strong>Clinical trial number: </strong>Not applicable.</p>","PeriodicalId":9002,"journal":{"name":"BMC Emergency Medicine","volume":"25 1","pages":"122"},"PeriodicalIF":2.3,"publicationDate":"2025-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12261817/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144636091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Giuseppe Dominijanni, Antonio F Caballero-Bermejo, Álvaro Pineda-Torcuato, Ana Sainz-Herrero, Rosa Capilla-Pueyo, Belén Ruiz-Antorán
{"title":"Real-world experience with vernakalant in the urgent management of atrial fibrillation: results from the VERITA study.","authors":"Giuseppe Dominijanni, Antonio F Caballero-Bermejo, Álvaro Pineda-Torcuato, Ana Sainz-Herrero, Rosa Capilla-Pueyo, Belén Ruiz-Antorán","doi":"10.1186/s12873-025-01280-2","DOIUrl":"10.1186/s12873-025-01280-2","url":null,"abstract":"<p><p>Atrial fibrillation (AF) is the most common arrhythmia encountered in hospital emergency departments (EDs), with pharmacological cardioversion being an effective strategy for restoring sinus rhythm in hemodynamically stable patients. This retrospective observational study aimed to evaluate the effectiveness and safety of vernakalant for the conversion of recent-onset AF under real-world clinical practice conditions, as well as to identify predictors of therapeutic response and adverse events. A total of 263 episodes of AF treated with vernakalant between 2012 and 2022 were analyzed. The overall cardioversion rate was 76.4%, with a median time to conversion of 15 minutes. Administration of the drug more than 12 hours after symptom onset was an independent predictor of therapeutic failure (OR: 4.5; 95% CI: 2.2-9.1; p < 0.001). The incidence of adverse events was 15.2%, occurring more frequently in patients with heart failure or when vernakalant was administered more than 24 hours after symptom onset. No deaths were reported. These findings support the effectiveness and safety profile of vernakalant in the ED setting, highlighting the importance of early administration and underlying cardiovascular comorbidities as key factors influencing therapeutic response and the risk of adverse events.</p>","PeriodicalId":9002,"journal":{"name":"BMC Emergency Medicine","volume":"25 1","pages":"118"},"PeriodicalIF":2.3,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12235820/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144582909","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Gantuya Ganbat, Ayoung Kim, Buyanbilig Namnansuren, Suvd Batbaatar, Ho Kim
{"title":"Patterns of emergency dispatch calls and their changes during the COVID-19 pandemic in Ulaanbaatar, Mongolia.","authors":"Gantuya Ganbat, Ayoung Kim, Buyanbilig Namnansuren, Suvd Batbaatar, Ho Kim","doi":"10.1186/s12873-025-01273-1","DOIUrl":"10.1186/s12873-025-01273-1","url":null,"abstract":"","PeriodicalId":9002,"journal":{"name":"BMC Emergency Medicine","volume":"25 1","pages":"119"},"PeriodicalIF":2.3,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12235795/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144582908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Veronica Lindström, Klara Jepsen, Sara Heldring, Torkel Kanfjäll, Monica Rådestad
{"title":"A real-time communication and information system for triage, positioning, and documentation (TriPoD) in mass-casualty incidents: a qualitative observational study.","authors":"Veronica Lindström, Klara Jepsen, Sara Heldring, Torkel Kanfjäll, Monica Rådestad","doi":"10.1186/s12873-025-01274-0","DOIUrl":"10.1186/s12873-025-01274-0","url":null,"abstract":"<p><strong>Background: </strong>In mass-casualty incidents (MCIs), command centers often rely on oral or written reports, leading to communication gaps, misunderstandings, and inadequate logistics of available resources. This study developed a real-time communication and information system for Triage, Position, and Documentation (TriPoD) via action research in collaboration with end-users to ensure high usability. TriPoD integrates commercially available technology, utilizing a digital triage tag with a unique ID that attaches to each individual with an injury. Emergency medical service (EMS) providers scan the electronic triage tag (e-triage tag) via a mobile app, instantly sending data to command centers through a web portal. The developed TriPoD enables seamless sharing of patient information from the MCI scene during transport to and within hospitals.</p><p><strong>Aim: </strong>This study aimed to explore the usability of TriPoD during a simulated MCI with figurants.</p><p><strong>Methods: </strong>A qualitative observational design was employed, with non-participant observers stationed at the incident site, a regional command center, and a hospital command center. The observers compared TriPoD with standard procedures and management, and collected user perspectives on the system evaluated. A thematic analysis was used to guide the analysis.</p><p><strong>Results: </strong>The results revealed that command centers receive real-time updates on patient count, triage status, and location faster and with more accurate numbers of injuries than traditional methods do. Data transmitted through the web portal was updated each time a new patient was scanned, enabling continuous real-time monitoring and informed decision-making. EMS providers and command center users observed TriPoD usability, with delays when EMS providers did not consistently scan injured individuals.</p><p><strong>Conclusion: </strong>This study demonstrates that seamless information sharing from the scene of an MCI enhances reliable communication and management efforts. Although TriPoD shows strong potential for improving MCI response and management, further development, testing, and collaboration with intended end-users are essential for its continued improvement. The study was approved by the Swedish Ethical Review Authority (No: 2023-04615-01). International Registered Report Identifier (IRRID): PRR1- https://doi.org/10.2196/57819 .</p><p><strong>Clinical trial number: </strong>Not applicable.</p>","PeriodicalId":9002,"journal":{"name":"BMC Emergency Medicine","volume":"25 1","pages":"115"},"PeriodicalIF":2.3,"publicationDate":"2025-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12232746/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144574798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Maria Raker, Christian Weilbach, Maximilian Scharonow
{"title":"Location-based response times of emergency physicians in rural Germany: an observational study.","authors":"Maria Raker, Christian Weilbach, Maximilian Scharonow","doi":"10.1186/s12873-025-01278-w","DOIUrl":"10.1186/s12873-025-01278-w","url":null,"abstract":"<p><strong>Background: </strong>The number of emergency callouts in Germany has doubled in the last 20 years. The shortage of doctors and social developments have led to challenges in ensuring emergency medical services and to temporary closures of entire emergency medical service areas. Stationing the emergency doctor on duty in the home environment is one option for making emergency medical services more attractive and could help to alleviate the problem of staff scheduling.</p><p><strong>Objective: </strong>The response times of emergency physicians stationed in their home environment were compared with those of emergency doctors stationed at hospitals or rescue stations.</p><p><strong>Methods: </strong>The response intervals and arrival times at the patient's location were statistically analyzed depending on the physician's location and distance from the rescue station. A support vehicle was used to reduce response times. The emergency physician met the full-time emergency vehicle at predefined points depending on the direction of the call.</p><p><strong>Results: </strong>The response interval from the emergency station was 2.2 ± 1.0 min, from the hospital 3.1 ± 1.2 min and from the home environment 3.8 ± 1.6 min (p < 0.0001/Kruskal-Wallis test). In terms of the time taken to reach the patient, there was a significant advantage (p < 0.0001/Kruskal-Wallis test) in the group of call-outs from the rescue station (8,6 ± 3,9 min min. 2 and max. 23 min) compared to call-outs from the hospital (10.0 ± 4.4 min; min. 2 and max. 31 min) and the home environment (10.2 ± 4.2; min. 2 max. 33 min), with the difference between the hospital and the home environment not being significant at p = 0.256 (Kruskal-Wallis test). The actual distance of the emergency physician from the rescue station provides the best results for modeling response interval and showed no significant difference compared to being stationed at the hospital in terms of time to arrival at the scene for distances less than 3 km (p < 0.0001/Kruskal-Wallis test).</p><p><strong>Conclusions: </strong>Stationing the emergency doctor in a domestic environment with a support vehicle and establishing fixed meeting points with the full-time emergency vehicle shows no disadvantage compared to stationing the emergency doctor in the hospital.</p>","PeriodicalId":9002,"journal":{"name":"BMC Emergency Medicine","volume":"25 1","pages":"116"},"PeriodicalIF":2.3,"publicationDate":"2025-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12232860/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144574799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Maximilian P Nerlander, Evan Avraham Alpert, Roman Sonkin, Ziv Dadon, Ari M Lipsky, Eli Jaffe
{"title":"Prehospital respiratory interventions during six waves of COVID-19: results from Israel's Emergency Medical Services system.","authors":"Maximilian P Nerlander, Evan Avraham Alpert, Roman Sonkin, Ziv Dadon, Ari M Lipsky, Eli Jaffe","doi":"10.1186/s12873-025-01279-9","DOIUrl":"10.1186/s12873-025-01279-9","url":null,"abstract":"<p><strong>Background: </strong>Despite COVID-19 having been the subject of extensive scientific research, there is a paucity of studies on the respiratory management needs of patients in the pre-hospital setting. This retrospective cohort study utilizes data from Magen David Adom (MDA), Israel's Emergency Medical Services (EMS) to investigate how prehospital respiratory management needs changed throughout the first six waves of the COVID-19 pandemic in Israel.</p><p><strong>Methods: </strong>All EMS responses due to respiratory complaints, from March 21, 2020, to July 31, 2022, were included. Odds ratios (ORs) for each wave were calculated for each intervention with the previous wave as reference. Wave 1 (W1) was compared to a pre-pandemic period.</p><p><strong>Results: </strong>The study included 141,027 responses. Throughout the pandemic, no endotracheal intubations were performed. The use of mask-based 90% FiO<sub>2</sub> decreased from the pre-COVID-19 period to W1 (OR 0.61, p < 0.0001), increased during waves 2-3 (OR 1.24, p < 0.0001 [W2]; OR 1.11, p < 0.0001 [W3]), and plateaued throughout W5 and W6 (OR 0.99, p = 0.71 [W5]; OR 0.01, p = 0.8 [W6]). The use of nasal cannula increased throughout the six waves (OR 1.2 [W1]; OR 1.48 [W2]; 1.39 [W3]; OR 1.45 [W4]; 1.11 [W5]; 1.24 [W6], p < 0.05). The use of nebulized bronchodilators decreased from the pre-pandemic period to W1 (OR 0.41, p < 0.0001). From W3 to W6, the use increased significantly for each wave (OR 1.43 [W4]; OR 1.12 [W5]; 1.31 [W6], p < 0.05).</p><p><strong>Conclusions: </strong>MDA advised staff not to perform endotracheal intubations during the pandemic due to concerns of transmission through aerosol. Similarly, the initial drops in high-concentration O2 and nebulized bronchodilators may be due to concerns with its aerosolizing potential. The gradual replacement of high-concentration prehospital oxygen by mask with nasal cannulas over the pandemic waves may be due to the decreased pathogenicity of the new strains and expanded vaccination coverage. The increased use of nebulized bronchodilators seen during the latter waves may be due to the re-emergence of non-covid pathogens with greater bronchoconstrictive effect as social restrictions were eased. Further, as vaccine coverage expanded among providers over time, these may have been more comfortable administering bronchodilators.</p>","PeriodicalId":9002,"journal":{"name":"BMC Emergency Medicine","volume":"25 1","pages":"117"},"PeriodicalIF":2.3,"publicationDate":"2025-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12232843/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144574800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The effect of disaster risk perceptions on disaster preparedness levels of students at a university in Turkey.","authors":"Bahar Kalın, Maide Yeşilyurt","doi":"10.1186/s12873-025-01263-3","DOIUrl":"10.1186/s12873-025-01263-3","url":null,"abstract":"<p><strong>Background: </strong>Disaster risk perception significantly influences individuals' preparedness behaviors, shaping how they respond to potential hazards. Understanding students' risk perceptions and preparedness levels is crucial for developing targeted educational programs that enhance resilience within university communities.</p><p><strong>Methods: </strong>This study aimed to determine the effect of disaster risk perception of health services students on their disaster preparedness levels. This descriptive and correlational study was conducted between February and May 2024 with 403 students studying at a vocational school of health services of a university in Türkiye. The sample selection aimed to include the entire population. The study data were collected face-to-face using a descriptive characteristics form, the University Students' Disaster Risk Perception Scale, and the Disaster Preparedness Scale. The data were analyzed using SPSS software. Descriptive statistics including frequency, percentage, mean, and standard deviation were calculated. Additionally, correlation analysis, independent samples t-test, one-way ANOVA, and regression analysis were performed.</p><p><strong>Results: </strong>The mean age of the students was 19.92 ± 1.32 years, and 60% were female. Among the students, 60.8% had experienced a disaster, and 91.8% of those who had experienced a disaster had experienced an earthquake. The percentage of students harmed by disasters was 41.9%. The mean score of the Disaster Risk Perception Scale was 2.80 ± 0.81, and the mean score of the Disaster Preparedness Scale was 29.73 ± 7.40, which was interpreted as moderate. A positive and statistically significant correlation was found between the disaster preparedness levels of the students and their disaster risk perception levels.</p><p><strong>Conclusions: </strong>The students' disaster risk perception and preparedness scores were found to be at a moderate level, with a significant positive correlation between the two variables. In light of these findings, it is crucial to plan comprehensive awareness-raising trainings aimed at enhancing students' disaster risk perception and preparedness levels. Furthermore, it is recommended to extend disaster education beyond the health sciences fields to other faculties and departments as well. This approach will contribute to increasing disaster awareness among a broader student population and strengthening community resilience.</p>","PeriodicalId":9002,"journal":{"name":"BMC Emergency Medicine","volume":"25 1","pages":"114"},"PeriodicalIF":2.3,"publicationDate":"2025-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12224602/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144551871","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}