ObjectiveThe aim of this study was to investigate the feasibility of using augmented reality (AR) glasses in central line simulation by novice operators and compare its efficacy to standard central line simulation/teaching.DesignThis was a prospective randomized controlled study enrolling 32 novice operators. Subjects were randomized on a 1:1 basis to either simulation using the augmented virtual reality glasses or simulation using conventional instruction.SettingThe study was conducted in tertiary-care urban teaching hospital.SubjectsA total of 32 adult novice central line operators with no visual or auditory impairments were enrolled. Medical doctors, respiratory therapists, and sleep technicians were recruited from the medical field.Measurements and main resultsThe mean time for AR placement in the AR group was 71±43 s, and the time to internal jugular (IJ) cannulation was 316±112 s. There was no significant difference in median (minimum, maximum) time (seconds) to IJ cannulation for those who were in the AR group and those who were not (339 [130, 550] vs 287 [35, 475], p=0.09), respectively. There was also no significant difference between the two groups in median total procedure time (524 [329, 792] vs 469 [198, 781], p=0.29), respectively. There was a significant difference in the adherence level between the two groups favoring the AR group (p=0.003).ConclusionAR simulation of central venous catheters in manikins is feasible and efficacious in novice operators as an educational tool. Future studies are recommended in this area as it is a promising area of medical education.
BACKGROUND:The current variety of medication inhaler devices can be confusing to patients due to the many different delivery systems. Many health-care professionals who prescribe these devices may not be educated properly about the administration techniques for different inhalers. The objectives of this study were to evaluate various health-care providers' knowledge of specific inhaler devices and to assess their ability to retain this knowledge for a minimum period of 3 months. METHODS: This was a prospective study that included 4 different health-care professional groups (physicians, respiratory therapists, registered nurses, and pharmacists). All subjects underwent baseline written and practical tests. A checklist was developed for the practicum test for each inhaler on the correct delivery method. The written examination tested knowledge of 4 different inhaler techniques with true or false questions. Then subjects watched an instructional video that demonstrated the correct method of delivery for each device. Last, subjects were retested on the practicum and written tests after a minimum lapse of 3 months. RESULTS: The distribution of written and practical scores at baseline and postintervention was approximately normal (P > .05). The baseline written scores were significantly different across groups (P ؍ .002). The mean written score of respiratory therapists was significantly higher than those of registered nurses and physicians (P ؍ .02 and .01, respectively). Similarly, the baseline practical scores were significantly different across groups (P < .001). The mean practical score of respiratory therapists was significantly higher compared with those of registered nurses and physicians (P ؍ .002 and P < .001, respectively). CONCLUSIONS: We found a suboptimal number of medical professionals who have the proper knowledge base and technical skill to teach different inhaler device techniques. In order to increase the simplicity and effectiveness of delivering inhaler medication, we hope that the industry will provide more uniformity for future inhaler devices.
Background: The risk of failing or delaying endotracheal intubation in critically ill patients has commonly been associated with inadequate procedure preparation. Clinicians and trainees in simulation courses for tracheal intubation are encouraged to recall the steps of how to intubate in order to mitigate the risk of a failed intubation. The purpose of this study was to assess the effectiveness of using optical head mounted display augmented reality (AR) glasses as an assistance tool to perform intubation simulation procedure. Methods: A total of 32 subjects with a mean age of 30±7.8, AR (n 1 =15) vs non-augmented reality(non-AR) (n 2 =17). The majority were males (n=22, 68.7%). Subjects were randomly assigned into two groups: the AR group and the non-AR group. Both groups reviewed a video on how to intubate following the New England Journal of Medicine (NEJM) intubation guidelines. The AR group had to intubate using the AR glasses head mount display compared to the non-AR where they performed regular intubation. Results: The AR group took longer median (min, max) time (seconds) to ventilate than the non-AR group (280 (130,740) vs 205 (100,390); η 2 =1.0, p =0.005, respectively). Similarly, there was a higher percent adherence of NEJM intubation checklist (100% in the AR group vs 82.4% in the non-AR group; η 2 =1.8, p <0.001). Conclusion: The AR glasses showed promise in assisting different health care professionals on endotracheal intubation simulation. Participants in the AR group took a longer time to ventilate but scored 100% in the developed checklist that followed the NEJM protocol. This finding shows that the AR technology can be used in a simulation setting and requires further study before clinical use.
Background: This study examined the effects of smartphones addiction on cervical posture, and compared the cervical range of motion (ROM) between addicted and non-addicted boys and girls 8 to 13 years of age.Methods: Twenty-four boys and 26 girls were assigned to 2 groups; addicted group (score > 32, n=32) and non-addicted group (score ≤ to 32, n=18). Craniovertebral Angle (CVA) was assessed using side view photographs, forward head posture (FHP) was measured using ImageJ 64 software, and cervical ROM in each direction was measured using a cervical (CROM) device.Results: A forward multiple regression showed that addiction score and body mass index (BMI) were significant predictors of CVA (R2 =0.31, p<0.001). Twenty-three percent of the variability in CVA was related to addiction score. A forward logistic regression showed that addiction to smartphone use and BMI were significant predictors of having FHP, and participants who were addicted were more than four times as likely to have FHP than those who were not: Odds Ratio (OR) with 95 % confidence interval (CI)=4.5 (1.2, 10.7), p= 0.03. A significant reduction was found in mean cervical angle in addicted versus non-addicted boys (49.4±6.7 vs. 55.5±7.6,η2=0.5, p=0.03) and girls (47.3±6.3 vs. 52.9±6.1,η2=0.9, p=0.02). A significantly more limited cervical ROM found in most neck movements in addicted participants with FHP compared to participants without FHP. Conclusion:Children who are addicted to smartphones may develop faulty habitual posture due to constant neck flexion downward, which may place them at high risk of spine abnormalities.
IntroductionThere are over a dozen medical shows airing on television, many of which are during prime time. Researchers have recently become more interested in the role of these shows, and the awareness on cardiopulmonary resuscitation. Several cases have been reported where a lay person resuscitated a family member using medical TV shows as a reference. The purpose of this study is to examine and evaluate college students’ perception on cardiopulmonary resuscitation and when to shock using an automated external defibrillator based on their experience of watching medical TV shows.MethodsA total of 170 students (nonmedical major) were surveyed in four different colleges in the United States. The survey consisted of questions that reflect their perception and knowledge acquired from watching medical TV shows. A stepwise regression was used to determine the significant predictors of “How often do you watch medical drama TV shows” in addition to chi-square analysis for nominal variables.ResultsRegression model showed significant effect that TV shows did change students’ perception positively (p<0.001), and they would select shock on asystole as the frequency of watching increases (p=0.023).ConclusionThe findings of this study show that high percentage of nonmedical college students are influenced significantly by medical shows. One particular influence is the false belief about when a shock using the automated external defibrillator (AED) is appropriate as it is portrayed falsely in most medical shows. This finding raises a concern about how these shows portray basic life support, especially when not following American Heart Association (AHA) guidelines. We recommend the medical advisors in these shows to use AHA guidelines and AHA to expand its expenditures to include medical shows to educate the public on the appropriate action to rescue an out-of-hospital cardiac arrest patient.
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