Virtual Reality Simulator for the Training of Lumbar Punctures

2009 ◽  
Vol 48 (05) ◽  
pp. 493-501 ◽  
Author(s):  
F. Hummel ◽  
C. Gerloff ◽  
H. Handels ◽  
M. Färber

Summary Objectives: Lumbar puncture (LP) is performed by inserting a needle into the spinal canal to extract cerebrospinal fluid for diagnostic purposes. A virtual reality (VR) lumbar puncture simulator based on real patient data has been developed and evaluated. Methods: A haptic device with six degrees of freedom is used to steer the virtual needle and to generate feedback forces that resist needle insertion and rotation. An extended haptic volume-rendering approach is applied to calculate forces. This approach combines information from segmented data and original CT data which contributes density information in unsegmented image structures. The system has been evaluated in a pilot study with medical students. Participants of two groups, a training and a control group, completed different first training protocols. User performance has been recorded during a second training session to measure the training effect. Furthermore user acceptance has been evaluated in a questionnaire using a 6-point Likert scale with eight items. Results: Forty-two medical students in two groups evaluated the system. Trained users performed better than less trained users (an average of 39% successfully completed virtual LPs compared to 30%). Findings of the questionnaire show that the simulator is very well accepted. E.g. the users agree that training with such a simulator is useful (Likert grade of 1.5 ± 0.7 with 1 = “strongly agree” and 6 = “strongly disagree”). Conclusions: Results show that the VR LP simulator gives a realistic haptic and visual impression of the needle insertion and enables new insights into the anatomy of the lumbar region. It offers a new way for increasing skills of students and young residents before applying an LP in patients.

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Enkhtsogt Sainbayar ◽  
Nathan Holt ◽  
Amber Jacobson ◽  
Shalini Bhatia ◽  
Christina Weaver

Abstract Context Some medical schools integrate STOP THE BLEED® training into their curricula to teach students how to identify and stop life threatening bleeds; these classes that are taught as single day didactic and hands-on training sessions without posttraining reviews. To improve retention and confidence in hemorrhage control, additional review opportunities are necessary. Objectives To investigate whether intermittent STOP THE BLEED® reviews were effective for long term retention of hemorrhage control skills and improving perceived confidence. Methods First year osteopathic medical students were asked to complete an eight item survey (five Likert scale and three quiz format questions) before (pretraining) and after (posttraining) completing a STOP THE BLEED® training session. After the surveys were collected, students were randomly assigned to one of two study groups. Over a 12 week intervention period, each group watched a 4 min STOP THE BLEED® review video (intervention group) or a “distractor” video (control group) at 4 week intervals. After the 12 weeks, the students were asked to complete an 11 item survey. Results Scores on the posttraining survey were higher than the pretraining survey. The median score on the five Likert scale items was 23 points for the posttraining survey and 14 points for the pretraining survey. Two of the three knowledge based quiz format questions significantly improved from pretraining to posttraining (both p<0.001). On the 11 item postintervention survey, both groups performed similarly on the three quiz questions (all p>0.18), but the intervention group had much higher scores on the Likert scale items than the control group regarding their confidence in their ability to identify and control bleeding (intervention group median = 21.4 points vs. control group median = 16.8 points). Conclusions Intermittent review videos for STOP THE BLEED® training improved medical students’ confidence in their hemorrhage control skills, but the videos did not improve their ability to correctly answer quiz-format questions compared with the control group.


2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Meysam Siyah Mansoory ◽  
Mohammad Rasool Khazaei ◽  
Seyyed Mohsen Azizi ◽  
Elham Niromand

Abstract Background New approaches to e-learning and the use of virtual reality technology and serious game in medical education are on the rise. Therefore, the purpose of this study was to compare the effectiveness of lecture method and virtual reality-based serious gaming (VRBSG) method on students learning outcomes about the approach to coma. Methods We adopted a randomized trial method for this study and selected 50 medical students dividing them into experimental and control groups. Students’ learning outcome was measured with a 10-item test. Serious game usability scale was used to evaluate the usability of the serious game. Descriptive and inferential statistics were used for data analysis by SPSS-22 software. Results Students’ familiarity with e-learning and VRBSG was low. The mean usability of a VRBSG was 126.78 ± 10.34 out of 150. The majority of students were eager to be instructed through VRBSG. The mean score of learning outcomes in the experimental group was significantly higher than the control group (t = − 2.457, P = 0.019). Conclusion Students’ learning outcomes in the VRBSG group in the test approach to coma were significantly better than the lecture group. The usability of the serious game instruction method was high. Taken together, instruction through VRBSG had an effective role in medical students’ learning.


PEDIATRICS ◽  
1993 ◽  
Vol 91 (2) ◽  
pp. 379-382 ◽  
Author(s):  
Joaquim M.B. Pinheiro ◽  
Sue Furdon ◽  
Luis F. Ochoa

Local anesthesia decreases physiologic responses to pain in neonates but has not been used routinely during lumbar punctures in newborns, as it might obscure anatomical landmarks. However, local anesthesia may decrease newborns' struggling during lumbar puncture, thus facilitating the procedure and increasing its success rate. The success rate of lumbar punctures was compared in neonates allocated prospectively to 0.2 to 0.5 mL of 1% lidocaine anesthesia (n = 48) or a control group (n = 52). Newborns were held in a modified lateral recumbent postion (neck not flexed) and their struggling response to the various steps in the lumbar puncture was scored by the holder. The newborns' struggling motion score increased in response to lidocaine injection, but response to the subsequent spinal needle insertion was significantly decreased. Despite this decreased motion, no differences were noted in the number of attempts per lumbar puncture (1.9 ± 0.2 [SEM] in lidocaine and 2.1 ± 0.2 in control groups), rate of lumbar puncture failure (15% in lidocaine and 19% in control groups), or the number of traumatic lumbar punctures (46% in both groups). The success rate of lumbar puncture was not dependent on level of training of physicians performing the procedure. No acute complications, cerebrospinal fluid contamination, or subsequent meningitis was noted in either group. It is concluded that local anesthesia with lidocaine decreases the degree of struggling but does not alter the success rate of lumbar puncture in neonates. The practice of withholding lidocaine anesthesia from neonates undergoing lumbar punctures cannot be justified by arguing that it makes the procedure more difficult to perform.


CJEM ◽  
2019 ◽  
Vol 21 (S1) ◽  
pp. S37-S38
Author(s):  
A. Cormier ◽  
E. Brennan

Innovation Concept: High-quality cardiopulmonary resuscitation saves lives; however, current certification standards can leave providers poorly prepared to perform effective chest compressions (CCs). We designed a training program based on the emerging model of skill maintenance through frequent short practice sessions. The ideal frequency of training is currently unknown. Our goal was to provide medical students with access to efficient and effective CC training and to determine an optimal training interval. Methods: Thirty-six second-year medical students were randomized to three groups that trained at different frequencies: once every two months (q2m) (n = 12), once every four months (q4m) (n = 13), and control (n = 11). Study duration was eight months with the intervention groups, q2m and q4m, participating in five and three sessions respectively. The control group was assessed at study start and end, receiving no training in between. At each session, participants completed a one-minute pre-test of CC performance, viewed a one-minute training video, practiced CCs for two minutes with real-time feedback, and completed a one-minute post-test. Performance parameters measured were CC depth, rate, release, and hand positioning. A final “compression score” assessed integrated performance across these parameters and served as our primary outcome. Participants also reported pre- and post-training comfort with performing CCs which served as our secondary outcome. Curriculum, Tool or Material: Our “Quick Refresher Sessions” (QRS) were completed by participants independently without requiring an assessor or facilitator. A manikin with the ability to record and provide real-time quantitative feedback on CC quality was connected to a laptop running a customized interface. Participants typed in an individualized code and were guided through their six-minute sessions automatically. Conclusion: Immediately following the first training session, subjects had significant improvement in compression score (p &lt; 0.001) and skill comfort (p &lt; 0.001). At eight months, both intervention groups, q2m and q4m, achieved higher compression scores than control (p = 0.001 and p = 0.011) and showed greater increase in comfort level (p = 0.002 and p = 0.010). Performance between intervention groups at eight months was not statistically different. Overall, we conclude that independent QRS training every two or four months led to improved CC quality and provider comfort. Future directions include increasing sample size and tailoring training intervals to individual performance.


2017 ◽  
Vol 7 (8) ◽  
pp. 794-800 ◽  
Author(s):  
Barrett S. Boody ◽  
Brett D. Rosenthal ◽  
Tyler J. Jenkins ◽  
Alpesh A. Patel ◽  
Jason W. Savage ◽  
...  

Study Design: Randomized, prospective study within an orthopedic surgery resident program at a large urban academic medical center. Objectives: To develop an inexpensive, user-friendly, and reproducible lumbar laminectomy bioskills training module and evaluation protocol that can be readily implemented into residency training programs to augment the clinical education of orthopedic and neurosurgical physicians-in-training. Methods: Twenty participants comprising senior medical students and orthopedic surgical residents. Participants were randomized to control (n = 9) or intervention (n = 11) groups controlling for level of experience (medical students, junior resident, or senior resident). The intervention group underwent a 40-minute bioskills training module, while the control group spent the same time with self-directed study. Pre- and posttest performance was self-reported by each participant (Physician Performance Diagnostic Inventory Scale [PPDIS]). Objective outcome scores were obtained from a blinded fellowship-trained attending orthopedic spine surgeon using Objective Structured Assessment of Technical Skills (OSATS) and Objective Decompression Score metrics. Results: When compared with the control group, the intervention group yielded a significant mean improvement in OSATS ( P = .022) and PPDIS ( P = .0001) scores. The Objective Decompression Scores improved in the intervention group with a trend toward significance ( P = .058). Conclusions: We conclude that a concise lumbar laminectomy bioskills training session can be a useful educational tool for to augment clinical education. Although no direct clinical correlation can be concluded from this study, the improvement in trainee’s technical and procedural skills suggests that Sawbones training modules can be an efficient and effective tool for teaching fundamental spine surgical skills outside of the operating room.


2021 ◽  
Vol 9 (E) ◽  
pp. 1055-1060
Author(s):  
Gulbakit Koshmaganbetova ◽  
Saulesh Kurmangalieva ◽  
Yerlan Bazargaliyev ◽  
Azhar Zhexenova ◽  
Baktybergen Urekeshov ◽  
...  

Abstract The purpose of this study was to determine whether the training module with a simulator of cardiology improves auscultation skills in medical students. Methods. Medical students of the third year after completing the module of the cardiovascular system of the discipline “Propaedeutics of internal diseases, passed a two-hour or four-hour training module in clinical auscultation with retesting immediately after the intervention and in the fourth year. The control group consisted of fourth-year medical students who had no intervention. Results. The diagnostic accuracy in two-hour training was 45.9% vs 35.3% in four-hour training p <.001. The use of a cardio simulator significantly increased the accurate detection of mitral regurgitation immediately after training on a simulator (more than 73%) p <.001. The next academic year, regression was observed in the diagnostic accuracy of mitral insufficiency in the intervention group after six months of observation by 4%. The auscultation skills of students at the bedside of real patients did not increase after training on a simulator: the accuracy of diagnosis of the auscultatory picture of the defect was equally low in the intervention group and the control group (35.0% vs 30.8%, p = 0.651). Conclusions. Two-hour training was more effective than four-hour training. After training on cardiac auscultation using a patient’s cardiological simulator, the accuracy rate was low in a situation close to the clinical conditions and a clinic on a real patient.


2018 ◽  
Vol 4 (4) ◽  
pp. 184-189 ◽  
Author(s):  
Paolo Mannella ◽  
Rachele Antonelli ◽  
María Magdalena Montt-Guevara ◽  
Marta Caretto ◽  
Giulia Palla ◽  
...  

Background The learning process of physiological mechanisms of childbirth and its management are important elements in the education of medical students. In this study, we verify how the use of a high-fidelity simulator of childbirth improves competence of students in this regard.Methods A total of 132 medical students were recruited for the study in order to attend a physiological childbirth in a no-hospital environment after being assigned to two groups. The control group received only a normal cycle of lectures, while the simulation (SIM) group followed a specific training session on the simulator. Subsequently, both groups were assessed for their technical and non-technical skills in a simulated childbirth. Also, a self-assessment test regarding their self-confidence was administrated before and after simulation, and repeated after 8 weeks.Results The SIM group showed better performance in all the domains with a better comprehension of the mechanisms of childbirth, managing and assistance of labour and delivery. In addition, compared to the control group, they presented a better self-related awareness and self-assurance regarding the possibility of facing a birth by themselves.Conclusion The present study demonstrated that the use of a high-fidelity simulator for medical students allows a significant improvement in the acquisition of theoretical and technical expertise to assist a physiological birth.


Circulation ◽  
2008 ◽  
Vol 118 (suppl_18) ◽  
Author(s):  
Philip Toner ◽  
Michael Connolly ◽  
Patrice McGrath ◽  
Leanne Laverty ◽  
David Connolly ◽  
...  

Aims: Northern Ireland has one of the highest incidences of ischaemic heart disease in the world. Teaching BLS to school children has previously been recommended. Our aim was to assess if eleven year old children can aquire and retain knowledge of basic life support (BLS) skills six months after a course of instruction (Study 1) and to assess the effectiveness of a three tier ‘peer training’ model using medical students, teachers and pupils (Study 2). This would be a cost effective way of significantly decreasing mortality from out-of-hospital cardiac arrests. Methods: The ‘ABC for Life’ programme is a regional course in BLS training in Northern Ireland specifically designed for 10 –12 year old school children. Medical students are trained as instructors in BLS by cardiac resuscitation officers at a major teaching hospital. Children were given a 22 point questionnaire before training and immediately after training to assess acquisition of BLS, and again six months after training to assess retention of knowledge (Study 1). In study 2, medical students instructed teachers how to teach BLS to their pupils. Pupils were given the same questionnaire to assess knowledge of BLS immediately before and after a teacher led training session at their school. Results: Study 1: Children showed a highly significant increase in knowledge following the training session (46.8% vs 82.7%, p<0.001). Six months later their knowledge remained significantly higher than that of a control group who had never been trained (61.1% vs 46.8%, p<0.01). Study 2: Thirty eight teachers were trained from one education board. The first five children trained at each school were randomly selected. Questionnaires were returned for 44.7% pupils at baseline and 42.1% pupils after training. Mean baseline scores improved significantly after training (57.2% vs 77.7%, p<0.001). Conclusion These studies demonstrate that by using medical students and teachers, a large number of children can be trained in a short time period and at relatively low cost. Children can acquire and retain knowledge of BLS for at least six months. The initiative provides manikins and training resources to all schools. To date, the programme has trained 350 schools. We have commenced research of physical skills using a recordable mainikin.


BMJ Open ◽  
2020 ◽  
Vol 10 (6) ◽  
pp. e037299
Author(s):  
Claire Masson ◽  
Gabriel Birgand ◽  
Enrique Castro-Sánchez ◽  
Vanessa Maria Eichel ◽  
Alexa Comte ◽  
...  

IntroductionSome surgical site infections (SSI) could be prevented by following adequate infection prevention and control (IPC) measures. Poor compliance with IPC measures often occurs due to knowledge gaps and insufficient education of healthcare professionals. The education and training of SSI preventive measures does not usually take place in the operating room (OR), due to safety, and organisational and logistic issues. The proposed study aims to compare virtual reality (VR) as a tool for medical students to learn the SSI prevention measures and adequate behaviours (eg, limit movements…) in the OR, to conventional teaching.Methods and analysisThis protocol describes a randomised controlled multicentre trial comparing an educational intervention based on VR simulation to routine education. This multicentre study will be performed in three universities: Grenoble Alpes University (France), Imperial College London (UK) and University of Heidelberg (Germany). Third-year medical students of each university will be randomised in two groups. The students randomised in the intervention group will follow VR teaching. The students randomised in the control group will follow a conventional education programme. Primary outcome will be the difference between scores obtained at the IPC exam at the end of the year between the two groups. The written exam will be the same in the three countries. Secondary outcomes will be satisfaction and students’ progression for the VR group. The data will be analysed with intention-to-treat and per protocol.Ethics and disseminationThis study has been approved by the Medical Education Ethics Committee of the London Imperial College (MEEC1920-172), by the Ethical Committee for the Research of Grenoble Alpes University (CER Grenoble Alpes-Avis-2019-099-24-2) and by the Ethics Committee of the Medical Faculty of Heidelberg University (S-765/2019). Results will be published in peer-reviewed medical journals, communicated to participants, general public and all relevant stakeholders.


2021 ◽  
Author(s):  
Mok Tsz Ngai ◽  
Layla Li ◽  
Junyuan Chen ◽  
Wai-Kit Ming ◽  
Qiyu He ◽  
...  

BACKGROUND The use of virtual reality (VR) simulators in medical schools has become widespread to train medical students and residents. The students using VR simulators are provided with a three-dimensional human model to observe human details using multiple senses and can participate in an environment relatively close to the reality. This paper promotes a new approach consisting of a sharing and independent study platform for medical orthopedics students. OBJECTIVE This study compared traditional tendon repair training and VR simulation of tendon repair and evaluated future applications of VR simulation in the medical academic field. METHODS One-hundred twenty-one participants were allocated into the VR and control groups. The participants in the VR group were studying the tendon repair technique via the VR simulator; while the control group followed traditional tendon suture teaching methods. RESULTS A total of 117 participants finished the assessment, and four participants were lost during follow-up. The overall performance (a total 35 score) for the VR group using the “Kessler tendon repair with 2 interrupted tendon repair knots” method was significantly higher score (P <.001) than the control group (24.13 ± 1.71 versus 20.38 ± 1.21). Moreover, for the “Bunnell tendon repair with figure 8 tendon repair” method, the VR group also had a significantly better result (P < .001) than the control group (22.8 ± 1.81 versus 19.9 ± 2.27). The participants using the VR simulator training had a significantly higher score than those using the traditional training method. CONCLUSIONS Use of the VR simulator for learning the tendon suture produced a significant improvement in the time in motion, suture skill, flow of operation, and knowledge of procedure for medical students than using traditional tendon suture method. Therefore, future VR simulator development would likely be beneficial for medical education and clinical practice.


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