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"Simulation Training - economics"
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Comparison of laparoscopic performance using low-cost laparoscopy simulators versus state-of-the-art simulators: a multi-center prospective, randomized crossover trial
by
Geissler, Rona Berit
,
Weitz, Jürgen
,
Fries, Alexa
in
Abdominal Surgery
,
Adult
,
Clinical Competence
2025
Introduction
Simulator training is an efficient method for the development of basic laparoscopic skills. We aimed to investigate if low-cost simulators are comparable to more expensive box trainers regarding surgeons usability, likability, and performance.
Methods
This multi-center, randomized crossover study included 16 medical students, seven abdominal surgeons, and seven urological surgeons. Participants performed four laparoscopic tasks (peg transfer, circle cutting, balloon resection, suture and knot) on both, a “Low cost trainer” (LCT) or a “high cost trainer” (HCT) in a randomized order. The primary endpoint was the subjective rating of both training simulators in terms of camera view, depth perception, movement of instruments, pricing, and usability for training. Secondary endpoints were force parameters, task completion time, surgical errors, and psychological workload.
Results
Participants rated the LCT better concerning view (
p
< 0.001), depth perception (
p
= 0.003), pricing (
p
< 0.001), and usability for digital training (
p
< 0.001), but worse in terms of instrument movement (
p
= 0.004). Overall, the LCT was rated better than the HCT (
p
= 0.015). Regarding force parameters, participants showed a significantly lower force exertion on the HCT during the peg transfer task (
p
= 0.008). The force exertion in the other tasks were comparable between both trainers. Participants were significantly faster using the HCT during the peg transfer (
p
= 0.049) and significantly slower in balloon resection (
p
= 0.049) and suture and knot task (
p
= 0.026). The assessment of the participants’ workload showed no differences.
Conclusion
The LCT was generally rated better than the HCT. The differences concerning force exertion and task completion time showed better results during peg transfer at the HCT but were generally inconclusive and without systemic advantage for either trainer. However, the LCT could be a promising and cost-effective augmentation for modern laparoscopic training.
Graphical abstract
Journal Article
Comparison of distance versus in-person laparoscopy training using a low-cost laparoscopy simulator—a randomized controlled multi-center trial
IntroductionSimulation training programs are essential for novice surgeons to acquire basic experience to master laparoscopic skills. However, current state-of-the-art laparoscopy simulators are still expensive, limiting the accessibility to practical training lessons. Furthermore, training is time intensive and requires extensive spatial capacity, limiting its availability to surgeons. New laparoscopic simulators offer a cost-effective alternative, which can be used to train in a digital environment, allowing flexible, digital and personalized laparoscopic training. This study investigates if training on low-cost simulators in a digital environment is comparable to in-person training formats.Materials and methodsFrom June 2023 to December 2023, 40 laparoscopic novices participated in this multi-center, prospective randomized controlled trial. All participants were randomized to either the ‟distance” (intervention) or the “in-person” (control) group. They were trained in a standardized laparoscopic training curriculum to reach a predefined level of proficiency. After completing the curriculum, participants performed four different laparoscopic tasks on the ForceSense system. Primary endpoints were overall task errors, the overall time for completion of the tasks, and force parameters.ResultsIn total, 40 laparoscopic novices completed digital or in-person training. Digital training showed no significant differences in developing basic laparoscopic skills compared to in-person training. There were no significant differences in median overall errors between both training groups for all exercises combined (intervention 3 vs. control 4; p value = 0.74). In contrast, the overall task completion time was significantly lower for the group trained digitally (intervention 827.92 s vs. control 993.42; p value = 0.015). The applied forces during the final assessment showed no significant differences between both groups for all exercises. Overall, over 90% of the participants rated the training as good or very good.ConclusionOur study shows that students that underwent digital laparoscopic training completed tasks with a similar number of errors but in a shorter time than students that underwent in-person training. Nevertheless, the best strategies to implement such digital training options need to be evaluated further to support surgeons’ personal preferences and expectations.
Journal Article
Proficiency based progression simulation training significantly reduces utility strikes; A prospective, randomized and blinded study
2020
We evaluated a simulation-based training curriculum with quantitatively defined performance benchmarks for utility workers location and excavation of utility services.
Damaging buried utilities is associated with considerable safety risks to workers and substantial cost to employers.
In a prospective, randomized and blinded study we assessed the impact of Proficiency Based Progression (PBP) simulation training on the location and excavation of utility services work.
PBP simulation training reduced performance errors (33%, p = 0.006) in comparison a standard trained group. When implemented across all workers in the same division there was a 35-61% reduction in utility strikes (p = 0.028) and an estimated cost saving of £116,000 -£2,175,000 in the 12 months (47,000 work hours) studied.
The magnitude of the training benefit of PBP simulation training in the utilities sector appears to be the same as it is in surgery, cardiology and procedure-based medicine.
Quality-assured utility worker simulation training significantly reduces utility damage and associated costs.
Journal Article
Effect of Virtual Reality Simulation Versus Traditional Education on Rates of Clostridium difficile Infection: An Experimental Cluster Randomized Controlled Trial and Return on Investment Analysis
2024
Background:
Virtual reality simulation (VRS) is an innovative modality in nursing professional development that has the potential to affect patient outcomes.
Method:
An experimental cluster randomized controlled trial was performed with RNs on two inpatient units at a large academic health system. The purpose of this study was to evaluate the effect of VRS compared with traditional education on Clostridium difficile rates. Return on investment of nursing professional development activities was also measured to support decision-making and resource allocation.
Results:
Rates of C. difficile infection were significantly lower for both groups for the 3-month postintervention period compared with the 10-month period preintervention. Financial analysis showed a return on investment for both modalities, with VRS having higher yields over time.
Conclusion:
Findings showed that VRS was an effective instructional method. [J Contin Educ Nurs. 2024;55(7):351–358.]
Journal Article
An innovative pedagogic course combining video and simulation to teach medical students about pediatric cardiopulmonary arrest: a prospective controlled study
by
de Suremain, Nathalie
,
Drummond, David
,
Thouvenin, Guillaume
in
Cardiac arrest
,
Cardiopulmonary Resuscitation - education
,
Child
2016
Compliance by residents in pediatrics to pediatric resuscitation guidelines is low. In many French faculties, a 1-h traditional lecture is still used to educate medical students about pediatric cardiopulmonary arrest (CPA). We developed an innovative pedagogic course combining a 23-min video and 3-h simulation exercises to improve knowledge and skills of medical students. A prospective controlled study was conducted. Medical student knowledge was tested before, just after, and 6–12 months after the innovative course and compared to that of a cohort who attended the traditional lecture. A high-fidelity mannequin simulator simulating cardiopulmonary arrest was used to assess and compare the skills of the study and control groups. Costs of the courses were evaluated; 809 of 860 (94 %) medical students were assessed for knowledge. Six to 12 months after the courses, the median score was significantly higher for the innovative group than that for the traditional lecture group (
p
< 0.001). In terms of skills, student in the innovative group scored higher on the performance score than the control group (
p
< 0.01). The innovative course was 24 times more expensive.
Conclusion
: Combination of video and simulation allows better retention of knowledge than a traditional lecture and leads to better compliance to resuscitation guidelines.
What is known:
• Compliance by residents to pediatric resuscitation guidelines is low.
• We developed an innovative pedagogic course combining an educational video and simulation.
What is new:
• Knowledge retention after the innovative course was better than after a traditional lecture.
• Sixty-six students tested on their skills demonstrated better compliance to resuscitation guidelines.
Journal Article
Optimizing training cost-effectiveness of simulation-based laparoscopic inguinal hernia repairs
by
Zendejas, Benjamin
,
Ali, Shahzad M.
,
Hernández-Irizarry, Roberto
in
Adult
,
Behavior
,
Clinical Competence
2016
Motor learning theory suggests that highly complex tasks are probably best trained under conditions of part task (PT), as opposed to whole-task (WT) training. Within PT, random practice of tasks has been shown to lead to improved skill retention and transfer.
General surgery residents were equally randomized to PT vs WT, mastery learning type, and simulation-based training of laparoscopic inguinal hernia repair. Training time and resources used to reach mastery (skill acquisition), performance at 1-month testing (skill retention), and intraoperative time and performance scores (skill transfer) were compared.
Forty-four general surgery trainees were randomized. All residents achieved mastery benchmarks. Trainees in the PT group achieved mastery on average 17 minutes faster (60.2 ± 23.8 vs 77.1 ± 24.8 minutes, P = .02, saving 6.2 instructor hours), used fewer material resources (curricular cost savings of $2,380 or $121 per learner), and were more likely to retain mastery level performance at 1-month retention testing (59% vs 22.7% P = .03). No differences in intraoperative performance were encountered.
For laparoscopic inguinal hernia repair, random PT simulation-based training seems to be more cost-effective, compared with WT training.
Journal Article
Development and validation of a low-cost microsurgery Ear Trainer for low-resource settings
by
Mitchell, J E
,
Clark, M P A
,
Westerberg, B D
in
Computer Simulation
,
Eardrum
,
Health Resources - economics
2016
Chronic suppurative otitis media is a neglected condition affecting up to 330 million people worldwide, with the burden of the disease in impoverished countries. The need for non-governmental organisations to hardwire training into their programmes has been highlighted. An ear surgery simulator appropriate for training in resource-poor settings was developed, and its effectiveness in facilitating the acquisition of headlight and microsurgical skills necessary to safely perform procedures via the ear canal was investigated.
Face validity was assessed via questionnaires. Six tasks were developed: a headlight foreign body removal task, and microscope tasks of foreign body removal, ventilation tube insertion, tympanomeatal flap raising, myringoplasty and middle-ear manipulation. Participants with varying ENT experience were video-recorded performing each task and scored by a blinded expert observer to assess construct validity.
Face validity results confirmed that our Ear Trainer was a realistic representation of the ear. Construct validity results showed a statistically significant trend, with experts performing the best and those with limited experience performing better than novices.
This study validates our Ear Trainer as a useful training tool for assessing headlight and microsurgical skills required to perform otological procedures.
Journal Article
Outcomes of Fundamentals of Laparoscopic Surgery (FLS) mastery training standards applied to an ergonomically different, lower cost platform
by
Wagner, Mercy D.
,
Trinca, Kristen D.
,
Matthew Ritter, E.
in
Abdominal Surgery
,
Adult
,
Clinical Competence
2017
Objective
Using previously established mastery learning standards, this study compares outcomes of training on standard FLS (FLS) equipment with training on an ergonomically different (ED-FLS), but more portable, lower cost platform.
Methods
Subjects completed a pre-training FLS skills test on the standard platform and were then randomized to train on the FLS training platform (
n
= 20) or the ED-FLS platform (
n
= 19). A post-training FLS skills test was administered to both groups on the standard FLS platform.
Results
Group performance on the pretest was similar. Fifty percent of FLS and 32 % of ED-FLS subjects completed the entire curriculum. 100 % of subjects completing the curriculum achieved passing scores on the post-training test. There was no statistically discernible difference in scores on the final FLS exam (FLS 93.4, ED-FLS 93.3,
p
= 0.98) or training sessions required to complete the curriculum (FLS 7.4, ED-FLS 9.8,
p
= 0.13).
Conclusions
These results show that when applying mastery learning theory to an ergonomically different platform, skill transfer occurs at a high level and prepares subjects to pass the standard FLS skills test.
Journal Article
A cost-effectiveness analysis of self-debriefing versus instructor debriefing for simulated crises in perioperative medicine in Canada
by
Alam, Fahad
,
Isaranuwatchai, Wanrudee
,
Boet, Sylvain
in
anesthesiology
,
Anesthesiology - education
,
Canada
2017
Purpose: High-fidelity simulation training is effective for learning crisis resource management (CRM) skills, but cost is a major barrier to implementing high-fidelity simulation training into the curriculum. The aim of this study was to examine the cost-effectiveness of self-debriefing and traditional instructor debriefing in CRM training programs and to calculate the minimum willingness-to-pay (WTP) value when one debriefing type becomes more cost-effective than the other. Methods: This study used previous data from a randomized controlled trial involving 50 anesthesiology residents in Canada. Each participant managed a pretest crisis scenario. Participants who were randomized to self-debrief used the video of their pretest scenario with no instructor present during their debriefing. Participants from the control group were debriefed by a trained instructor using the video of their pretest scenario. Participants individually managed a post-test simulated crisis scenario. We compared the cost and effectiveness of self-debriefing versus instructor debriefing using net benefit regression. The cost-effectiveness estimate was reported as the incremental net benefit and the uncertainty was presented using a cost-effectiveness acceptability curve. Results: Self-debriefing costs less than instructor debriefing. As the WTP increased, the probability that self-debriefing would be cost-effective decreased. With a WTP ≤Can $200, the self-debriefing program was cost-effective. However, when effectiveness was priced higher than cost-savings and with a WTP >Can$ 300, instructor debriefing was the preferred alternative. Conclusion: With a lower WTP (≤Can$200), self-debriefing was cost-effective in CRM simulation training when compared to instructor debriefing. This study provides evidence regarding cost-effectiveness that will inform decision-makers and clinical educators in their decision-making process, and may help to optimize resource allocation in education.
Journal Article
Development and dissemination of a series of surgical skills and procedures video tutorials using a novel, low-cost, and sustainable simulation kit (GlobalSurgBox)
by
Bollinger, Daniel
,
Anderson, Geoffrey A.
,
Bryce-Alberti, Mayte
in
Clinical Competence
,
Consumer health information
,
Curricula
2025
Surgical simulation and video-based learning are limited in lower-resource settings. We sought to develop and assess a series of surgical tutorials using a low-cost simulator.
We created 8 surgical skills and procedures videos using low-cost equipment. We assessed video quality using the DISCERN scale and the Global Quality Scale (GQS).
Videos ranged from surgical techniques to complex procedures. We uploaded these to Youtube and included them in the curriculum of a medical school in Rwanda. Excluding the cost of the kit (25 USD), production costs ranged from 2 to 5 USD. All videos scored a mean DISCERN of 2.44 ± 1.05 and GQS of 3.06 ± 0.90. Generally, these lacked points on providing additional sources of information and addressing areas of uncertainty.
This study addresses the demand for accessible surgical education resources. Using low-cost, standardized materials ensures consistency, democratization of training, and feasibility.
•Developed surgical video tutorials using low-cost and locally sourced materials.•Produced the videos in collaboration with institutions from the USA and Rwanda.•Evaluated online engagement of each video based on reach and retention.•Analyzed the initiative, highlighting both successes and areas for improvement.•Offered actionable recommendations and best practices to improve and increase impact.
Journal Article