Researchers from Brown University’s Warren Alpert Medical School and Bayalpata Hospital in Nepal assessed a pilot pre-hospital trauma training program delivered to community health responders, or CHRs, in a rural Nepali municipality. The two-day course, piloted in April 2023, was adapted from the World Health Organization’s Basic Emergency Care Course, a curriculum designed to teach systematic assessment and stabilization of acutely ill and injured patients even in settings with minimal equipment. Because Nepal has no systematic pre-hospital trauma care infrastructure, community members effectively function as the country’s de facto emergency medical services, making them a critical but historically untrained link in the chain of survival.

The assessment took a qualitative approach, which is particularly well suited to understanding how a novel program is actually received in the field. Three months after the initial training, the team conducted semi-structured interviews with fourteen of the thirty-five trained participants, interviewing them in Nepali and translating the transcripts into English. The interviewees represented the full diversity of the CHR model: teachers, ambulance drivers, community health workers, and health post workers. The researchers then analyzed the data using the immersion-crystallization method, a technique in which analysts repeatedly read the transcripts until thematic categories and patterns emerge and consolidate into a final interpretation.

The picture that emerged was broadly encouraging. Participants reported that the training had a positive impact on their ability to provide patient care before reaching a health facility. They described enhanced knowledge and skills, and, perhaps most importantly, a new sense of confidence in their ability to act when injury strikes. In emergency medicine, that confidence matters: hesitation and fear of doing harm are well-documented reasons bystanders fail to intervene, and systematic training frameworks like the WHO’s ABCDE approach give lay providers a clear sequence to follow even under stress.

The course itself adapted an internationally recognized curriculum to local realities. The WHO Basic Emergency Care Course was developed precisely for settings where formal emergency medicine systems are thin, teaching a standardized primary assessment covering airway, breathing, circulation, disability, and exposure, along with focused interventions that can be performed with limited supplies. Translating this into a two-day program for lay responders in Achham district, supported by the nonprofit Nyaya Health Nepal and Bayalpata Hospital, represents a deliberate strategy: rather than waiting for an ambulance system that may be decades away, equip the people who are already there.

Yet the interviews also surfaced barriers that any expansion of the program will need to confront. Transportation to the training site was difficult for some participants, a familiar obstacle in rural districts where travel itself can be hazardous and time-consuming. Language and pedagogy posed a second challenge: some trainees reported limited understanding of certain medical terminology, suggesting that curricula built for clinicians require careful translation and simplification for community audiences. The third and arguably most consequential barrier was logistics after the course ended: reliable access to pre-hospital care supplies. Skills learned in a classroom have limited value if bandages, splints, or basic airway adjuncts are not available when a responder actually reaches a patient.

Participants themselves proposed solutions, requesting refresher trainings and an improved training handbook to support ongoing education and skill retention. This feedback aligns with a robust body of literature on skill decay, which shows that procedural skills learned in short courses erode without reinforcement, particularly among providers who encounter emergencies infrequently. The researchers concluded that ongoing education and enhancements to training materials are necessary to empower diverse community members to be effective first responders, especially given the resource-constrained environments in which they work.

The study’s design carries some inherent limits worth noting. It captured the perspectives of a subset of trainees from a single municipality, and it measured impressions rather than clinical outcomes. Self-reported confidence does not automatically translate into improved survival, and the authors are explicit that these findings represent feasibility testing intended to guide a broader implementation study. Still, qualitative assessments of this kind are an essential early step in implementation science, identifying friction points in program delivery before expensive and large-scale trials are attempted.

The broader implications extend well beyond Nepal. Low- and middle-income countries account for the overwhelming majority of trauma deaths worldwide, and in many of them formal emergency medical services remain sparse or absent. Lay responder models, in which teachers, drivers, and health post staff are trained to deliver basic life-saving care, are increasingly seen as a pragmatic bridge. The Nepali experience suggests such models can be well received and practical, provided designers plan for refresher training, plain-language materials, and supply chains from the outset.

For a district where a seriously injured patient may face hours of travel over mountain roads before reaching a hospital, the difference between a trained and an untrained bystander can be measured in lives. This pilot study does not prove that outcome, but it demonstrates that community health responders are willing learners, that an adapted WHO curriculum can be delivered to them, and that the path forward requires sustained investment in their education and equipment. As the research team moves toward broader implementation across rural Nepal, the voices of the fourteen interviewed responders will shape how the next generation of first responders is trained.

Subject of Research: Pre-hospital trauma training for community health responders in rural Nepal

Article Title: Qualitative assessment of a pilot trauma training program for community health responders in rural Nepal

Article References: Junkin, J. R., Pathak, M., Chand, S. B., Paudel, R., Goldman, R. E., Mello, M. J., & Kharel, R. (2026). Qualitative assessment of a pilot trauma training program for community health responders in rural Nepal. BMC Health Services Research. https://doi.org/10.1186/s12913-026-15724-3

Image Credits: AI Generated

DOI: 10.1186/s12913-026-15724-3

Keywords: pre-hospital care, community health responders, trauma training, rural Nepal, emergency medical services, WHO Basic Emergency Care, qualitative research, global health, low- and middle-income countries, health services research, first responders, skill retention

The research, conducted by thoracic surgeons Muhammad Shoaib Nabi and Zeeshan Sarwar of the Department of Thoracic Surgery at Services Institute of Medical Sciences in Lahore, Pakistan, describes a prospective, single-arm educational study carried out between 2006 and 2025 across multiple hospitals in Punjab province. In total, 4,045 participants took part, ranging from medical interns and surgical residents to consultant faculty members. Each attended a structured workshop that combined didactic lectures on the anatomy and physiology of the chest, live demonstrations of correct technique, and supervised hands-on practice inserting chest tubes into the goat chest model. The scale of the program is remarkable for any simulation study, and its duration, spanning nearly two decades, makes it one of the longest-running procedural training initiatives of its kind reported in the surgical education literature.

The choice of a goat chest was not arbitrary. High-fidelity commercial simulators for tube thoracostomy exist, but they are expensive, often costing thousands of dollars, and are rarely available in the hospitals of low- and middle-income countries where the burden of chest trauma is high and training resources are scarce. A cadaveric goat chest, obtained from animals freshly sacrificed for other purposes, offers tissue with realistic resistance: skin that must be incised firmly, intercostal muscles that must be spread with a clamp, parietal pleura that gives way with a characteristic pop, and a pleural cavity deep enough to accept a chest tube. The authors report that participants, drawing on their prior experience with commercially available synthetic manikins in earlier training activities, rated the goat model as highly realistic by comparison. This tactile authenticity matters, because the feel of tissue planes is precisely what novice operators lack and what synthetic models often fail to reproduce.

The educational design of the workshops was straightforward but rigorous. Trainees completed pre-training assessments of knowledge and confidence before the session, then received lectures and demonstrations, and finally performed the procedure themselves under direct faculty supervision. Instructors used structured checklists to score each attempt and to document specific technical errors. After training, the same knowledge and confidence assessments were repeated, allowing the researchers to quantify change within each participant. Of the 4,045 trainees enrolled over the nineteen years, 3,155, or 78 percent, completed the follow-up assessment, a substantial retention rate for a program of this scale and duration.

The results were striking. Mean knowledge scores rose from 4.99 on a ten-point scale, with a standard deviation of 1.16, to 7.98, with a standard deviation of 1.57, a gain that was statistically significant at p less than 0.001. Self-rated confidence climbed even more dramatically, from a mean of 2.0 on a five-point scale to 4.5, again with p less than 0.001. These numbers tell a familiar story in simulation research, but the study goes further by documenting what trainees actually did wrong, and this error analysis is arguably the most valuable contribution of the paper. The most frequent technical error was incorrect site selection, seen in 18 percent of attempts, followed by inadequate dissection through the chest wall in 12 percent and tube misdirection within the pleural space in 10 percent.

These error patterns mirror exactly the complications that plague real-world chest tube insertion. Incorrect site selection risks injury to intra-abdominal organs or major vessels, and published studies have documented clinically significant malposition of chest tubes in a meaningful fraction of critically ill patients. Inadequate dissection means the operator may fail to enter the pleural space at all or may force the tube against unyielding tissue, while misdirection leaves the tube curled against the chest wall or fissure rather than draining the intended space. Under supervision, correct tube placement was achieved in 45 percent of attempts, a figure that may seem modest but reflects the genuine difficulty of the procedure for novices and underscores why repeated, realistic practice before touching a patient is so important. The checklist-based feedback allowed instructors to name each error specifically, converting a failed attempt into a targeted teaching moment.

The study sits within a broader and growing body of evidence on simulation-based procedural training. Previous work has compared synthetic task trainers, human cadavers, and live animal models for chest tube education, with some studies finding that simulator training is associated with faster and more successful real-world performance. Others have explored novel approaches, including biomaterial-covered mannequins, three-dimensional printed thorax models, and even app-based serious gaming as adjuncts to hands-on practice. A systematic review of cadaveric simulation in surgical training has highlighted the enduring value of real tissue for teaching operative skills. The Pakistani study adds an important data point for resource-limited settings, where the question is not which high-end model to buy but how to deliver realistic training at all. In that context, a goat chest costs a fraction of a commercial simulator, requires no specialized equipment beyond standard surgical instruments, and can be sourced locally.

The authors are candid about the framework within which such training must operate. The study protocol was reviewed and approved by the Institutional Review Board of Services Institute of Medical Sciences, Services Hospital, Lahore, under reference number IRB/2025/1668/SIMS, and the researchers declared no conflicts of interest, funding the work through their own efforts. The use of animal tissue in medical education raises ethical questions that institutions must weigh, but the practice of using tissue from animals already sacrificed for food or other purposes is well established in surgical training traditions worldwide, including military and trauma surgery courses that have long used live tissue and cadaveric models to teach emergency procedures. The nineteen-year continuity of the Lahore program suggests that the model found durable institutional acceptance.

What makes this study resonate beyond Pakistan is the global inequity it addresses. Trauma remains a leading cause of death and disability in young people across South Asia, Africa, and other regions where chest injuries from road traffic collisions and violence are common, yet formal hands-on training in chest tube insertion has historically been limited, with many clinicians learning the procedure for the first time on a living patient. Research on surgical resident training in Pakistan has previously identified simulation-based education as an underused resource, and studies of chest tube complications have asked pointedly how well residents are being trained at all. By demonstrating that a simple, affordable biological model can produce measurable gains in knowledge, confidence, and technical performance across more than four thousand trainees, the Lahore team offers a template that other institutions in similar settings can adopt without waiting for expensive equipment.

The findings also carry a humbling message for wealthy health systems. Even with structured teaching, demonstrations, and supervision, only 45 percent of novice attempts achieved correct tube placement, and errors clustered around the same technical pitfalls that injure patients in real emergencies. Simulation does not make a procedure easy; it makes failure safe. The Pakistani program shows that when the barrier of cost is removed, thousands of clinicians can be given the chance to fail, learn, and improve before their skills are needed at a bedside. As surgical education increasingly embraces virtual reality, artificial intelligence, and 3D printing, this nineteen-year experiment with a goat chest is a reminder that the most transformative training technology in a resource-limited hospital may be the one that costs almost nothing and feels exactly like the real thing.

Subject of Research: Simulation-based tube thoracostomy training using a cadaveric goat chest model

Article Title: Outcomes of tube thoracostomy training using a cadaveric goat chest model: a 19-year experience

Article References: Nabi, M. S., & Sarwar, Z. (2026). Outcomes of tube thoracostomy training using a cadaveric goat chest model: a 19-year experience. Global Surgical Education – Journal of the Association for Surgical Education, 5(1), Article 127. https://doi.org/10.1007/s44186-026-00532-4

Image Credits: AI Generated

DOI: 10.1007/s44186-026-00532-4

Keywords: tube thoracostomy, simulation-based training, goat cadaver model, surgical education, chest tube insertion, low-resource settings, thoracic surgery, procedural skills, Pakistan, medical simulation, trauma training, error analysis

Simulation is the obvious answer, but commercial cricothyroidotomy simulators cost hundreds of dollars, putting them out of reach for many of the settings where trauma training is needed most. Traumatic injury requiring surgical intervention accounted for 19.1 percent of the global burden of disease in 2021, with low- and middle-income countries disproportionately affected. Existing low-cost alternatives have their own drawbacks: 3D-printed models depend on printing technology that is not reliably available in resource-poor environments, pig tracheas require special handling and storage and can be used only once, and other homemade designs rely on epoxy or silicone resin that may not be easy to source. A team led by Lukas Shum-Tim, with collaborators spanning medical students, surgical residents, surgeons, nurses and biomedical engineers from five institutions, set out to break that trade-off between cost and accessibility.

Their solution is disarmingly simple. The simulator is built from an egg carton, a 500 mL water bottle, a nitrile glove and homemade slime made from laundry detergent, glue, corn starch and sodium bicarbonate. To the authors’ knowledge, no other simulator in the literature has used slime as a cheap, infinitely reusable material that mimics soft tissue. The total materials cost is about 0.53 USD per unit, dropping further if materials are recycled, and assembly from scratch takes less than five minutes, with a per-use cost of roughly 0.05 USD, lower than most previously described low-cost simulators. The full design and manufacturing process was described in a separate publication, and the team deliberately chose materials that are accessible essentially anywhere in the world.

A cheap trainer is only useful if it can actually measure skill, so the team set out to generate validity evidence for using the simulator in formative assessment. They anchored the study in Messick’s unified validity framework, the approach recommended by the American Educational Research Association and the American Psychological Association, gathering evidence across five sources: content, response process, internal structure, relations to other variables, and consequences. The study was conducted at McMaster University between December 2024 and April 2025, with the British Columbia Children and Women’s Research Ethics Board deeming it quality improvement and waiving full ethics review.

Twenty-six participants were recruited through convenience sampling: 19 novices, mostly surgical residents, and seven experts, defined as physicians with at least five years of postgraduate clinical experience in trauma or head and neck surgery. None had seen the simulator before. Each participant completed a pre-test survey, performed a cricothyroidotomy on the model while a camera recorded their hand movements, and then filled out a 43-item post-test questionnaire covering anatomy, realism, instrument handling and confidence. Guidance was given only after the performance, never during it, so that the recorded attempts reflected unaided skill.

Two trauma surgeons independently scored the anonymized videos using two standardized instruments. The procedure-specific checklist contained nine items corresponding to critical steps of a Rapid Four-Step Cricothyroidotomy, adapted from a validated bougie-assisted checklist so that the assessment would work even in settings where bougies are unavailable; each step earned five points if achieved, three if in progress, and one if not observed. The error checklist contained seven items drawn from a multicenter expert collaboration on mistakes to avoid, with one point awarded for each error avoided. The raw score, ranging from nine to 52, was then divided by procedure time in seconds, a deliberate design choice reflecting the clinical reality that airway compromise must be resolved quickly and that errors or delays can cause irreversible harm.

The results showed the simulator does what a training tool should: it separates the skilled from the unskilled. Experts completed significantly more procedural steps than novices (Mann-Whitney U z = -2.52, p = 0.012), committed fewer errors (z = -3.07, p = 0.002), achieved better raw scores (z = -2.69, p = 0.007) and better final timed scores (z = -3.21, p = 0.001), and finished faster (z = -2.86, p = 0.004). In other words, experts were more accurate, made fewer mistakes and worked quicker, exactly the pattern expected if the simulator captures the essential elements of the real procedure. Internal consistency was excellent across the board, with Cronbach’s alpha of 0.86 for the procedure checklist, 0.85 for the error checklist, 0.84 for novice questionnaire responses and 0.97 for expert responses, all more than adequate for low-stakes formative assessment.

The study was candid about its weaknesses. Interrater reliability was only moderate for the procedure checklist, with an intraclass correlation of 0.54, and poor for the error checklist at 0.36, likely because composite scores are harder to agree on than binary ones and because the raters received no formal rating standardization. The authors calculated, using the Spearman-Brown formula, that about four raters would be needed to reach a targeted reliability of 0.5 on the error checklist, a burden they argued is hard to justify for a formative tool. Defining expertise also proved tricky, since multiple specialties perform the procedure with slightly different techniques, and one checklist item, a vertical skin incision, cost experts points even though a horizontal incision would be clinically valid in some contexts. Notably, no expert achieved a perfect score, which the authors read as a sign the simulator is better suited to assessing and teaching novices than to certifying experts.

Confidence data added a cautionary nuance. Novice pre-test confidence, averaging 1.68 on a five-point scale, rose to 3.80 after the exercise, while expert confidence dipped slightly from 3.78 to 3.00. One expert warned that a low-fidelity model risks underrepresenting the skillset required and could foster false confidence, a reminder that training on a single unidimensional model may not build the adaptive expertise needed to handle varied patient presentations. The authors counter that their conclusions align with studies using high-fidelity models, consistent with a growing literature showing that low-fidelity simulation training for procedural skills is not inferior to high-fidelity training, and that simulation of any kind beats no intervention at all.

The bigger picture is one of democratized surgical education. By slashing the cost of a cricothyroidotomy trainer to half a dollar and designing it from materials found in any household, the team has removed the procurement barrier that keeps simulation out of hospitals, training programs and medical schools in low-resource settings, where trauma burdens are highest and learning alternatives are scarcest. The findings provide preliminary validity evidence that checklist-based assessment of simulated cricothyroidotomy performance works on this humble device, and the authors are explicit that further research is needed to determine its educational effectiveness. But the concept has an appeal that goes beyond one procedure: if a slime-and-egg-carton model can reliably distinguish expert from novice performance on a life-saving emergency airway maneuver, the same design philosophy, frugal, reproducible and globally accessible, could be applied to a whole family of high-acuity, low-occurrence skills that clinicians everywhere struggle to practice before the moment they matter most.

Subject of Research: Validation of a low-cost, low-fidelity cricothyroidotomy training simulator for surgical education

Article Title: Evaluation and performance assessment on a low-cost, low-fidelity cricothyroidotomy simulator

Article References: Shum-Tim, L., Desaigoudar, V., Mashat, A., Hsiao, H., Malik, P. R. A., Malone, K. R., Abdalla, M. H., Rajagopalan, S., Mourad, N., Bos, C., Joos, E., & Joharifard, S. (2026). Evaluation and performance assessment on a low-cost, low-fidelity cricothyroidotomy simulator. Global Surgical Education – Journal of the Association for Surgical Education, 5(1), Article 138. https://doi.org/10.1007/s44186-026-00545-z

Image Credits: AI Generated

DOI: 10.1007/s44186-026-00545-z

Keywords: cricothyroidotomy, surgical simulation, medical education, global surgery, validity evidence, low-cost simulator, emergency airway, trauma training, Messick framework, checklist assessment, low-resource settings, surgical skills