Achieving Competency in Fiber-Optic Intubation Among Resident Physicians After Higher- Versus Lower-Fidelity Task Training: A Randomized Controlled Study.

BACKGROUND: The high-fidelity ORSIM (Airway Simulation Ltd) and the low-fidelity wooden-block fiber-optic task trainers allow users to familiarize themselves with the psychomotor skills required to manipulate the fiber-optic scope. METHODS: This single-center study aimed to compare residents' performance of fiber-optic intubation after 2 different types of task training. Twenty-four residents with experience of <8 fiber-optic intubations were randomized to either the ORSIM or a wooden-block task trainer. In a single teaching session, the resident performed 20 fiber-optic intubations on their assigned task trainer. This implied simulator competence. In the 4 months after this training, all subjects then attempted to perform a fiber-optic intubation on an American Society of Anesthesiologists (ASA) I or II anesthetized patient whose airway was preoperatively assessed as normal. The primary outcome was the cumulative sum (CUSUM) learning curves obtained as the residents trained on their respective task trainers. Secondary outcomes included: the mean time (in seconds) to perform each of the 20 fiber-optic intubations on their assigned task trainer, the total simulator training time, global rating scale score, checklist score, and time to carina when performing fiber-optic intubation on the patient. RESULTS: The CUSUM analysis showed that the ORSIM group achieved simulator competence faster. The mean time to perform fiber-optic intubation was shorter in the ORSIM group. A 2-way analysis of variance (ANOVA) test suggests that the combined effect of group (wooden-block or ORSIM) and time is statistically significant ( P < .05).Total training time (mean, 899 s ± 440 s vs 1358 s ± 405 s; 95% confidence interval [CI], 100.46-818.54; P = .01) was also significantly better in the ORSIM group.No significant difference was found between the 2 groups ( P > 0) in terms of global rating scale, checklist score, and time to reach the carina ( P >.05) when performing the fiber-optic intubation on the patient. CONCLUSIONS: ORSIM showed superiority in terms of the CUSUM learning curve in reaching competence faster in fewer attempts. There was no statistically significant difference in residents' performance when translated to clinical practice on a patient. This information should assist course directors when choosing task trainers for fiber-optic intubation training programs.

Effects of prior exposure to a visual airway cognitive aid on decision-making in a simulated airway emergency: A randomised controlled study.

BACKGROUND: Decision-making deficits in airway emergencies have led to adverse patient outcomes. A cognitive aid would assist clinicians through critical decision-making steps, preventing key action omission. OBJECTIVE: We aimed to investigate the effects of a visual airway cognitive aid on decision-making in a simulated airway emergency scenario. DESIGN: Randomised controlled study. SETTING: Single-institution, tertiary-level hospital in Toronto, Canada from September 2017 to March 2019. PARTICIPANTS: Teams consisting of a participant anaesthesia resident, nurse and respiratory therapist were randomised to intervention (N = 20 teams) and control groups (N = 20 teams). INTERVENTION: Participants in both groups received a 15-min didactic session on crisis resource management which included teamwork communication and the concepts of cognitive aids for the management of nonairway and airway critical events. Only participants in the intervention group were familiarised, oriented and instructed on a visual airway cognitive aid that was developed for this study. Within 1 to 4 weeks after the teaching session, teams were video-recorded managing a simulated 'cannot intubate-cannot oxygenate' scenario with the aid displayed in the simulation centre. MAIN OUTCOME MEASURES: Decision-making time to perform a front-of-neck access (FONA), airway checklist actions, teamwork performances and a postscenario questionnaire. RESULTS: Both groups performed similar key airway actions; however, the intervention group took a shorter decision-making time than the control group to perform a FONA after a last action [mean ± SD, 80.9 ±â€Š54.5 vs. 122.2 ±â€Š55.7 s; difference (95% CI) -41.2 (-76.5 to -6.0) s, P = 0.023]. Furthermore, the intervention group used the aid more than the control group (63.0 vs. 28.1%, P < 0.001). Total time of scenario completion, action checklist and teamwork performances scores were similar between groups. CONCLUSIONS: Prior exposure and teaching of a visual airway cognitive aid improved decision-making time to perform a FONA during a simulated airway emergency.

Repeated Intravenous Lidocaine Infusions for Patients with Fibromyalgia: Higher Doses of Lidocaine Have a Stronger and Longer-Lasting Effect on Pain Reduction.

OBJECTIVES: To determine the effect of escalating doses of lidocaine infusion with or without added magnesium on pain levels and the duration of pain relief in patients with fibromyalgia (FM). METHODS: A retrospective chart review of 74 patients diagnosed with FM who underwent at least three escalating doses of intravenous (IV) lidocaine infusions (5 mg/kg of body weight, 7.5 mg/kg, and 7.5 mg/kg of lidocaine + 2.5 g of magnesium sulfate) was conducted. Each patient's subjective impression of change in pain intensity and duration of pain relief after each treatment was recorded, along with an 11-point numeric rating scale (NRS) for pain intensity, immediately before and after each infusion. RESULTS: Short-term lidocaine analgesia was evaluated by the reduction in NRS pain score according to the patients reported pre- (immediately before treatment) and post-treatment (immediately after treatment) values. There was a statistical difference in the NRS score reduction between doses 5 mg/kg and 7.5 mg/kg of lidocaine (P = 0.009). Long-term analgesia was evaluated at follow-up visits by the patient's subjective impression of change in pain intensity and duration of pain relief. There was a statistical difference in the percentage of pain relief and the mean duration of pain relief between the treatments with 5 mg/kg and 7.5 mg/kg of lidocaine (P = 0.007 and P = 0.003). Although there was a trend of greater response to magnesium sulfate as a beneficial adjunct to the lidocaine infusion, we were unable to find a statistically significant difference for any of the variables studied. CONCLUSIONS: This study demonstrated that escalating doses of IV lidocaine to 7.5 mg/kg safely and effectively reduced the pain with prolonged effect in a significant number of patients diagnosed with fibromyalgia. Larger, prospective clinical studies are required to confirm this finding.

Meniscus-Targeted Injections for Chronic Knee Pain Due to Meniscal Tears or Degenerative Fraying: A Retrospective Study.

OBJECTIVES: Meniscal tears caused by acute trauma or degenerative fraying affect a wide array of individuals. An effective, long-lasting treatment has widely been sought after. Intra-articular corticosteroid injections have been among the methods of controlling pain for more than 60 years. However, such injections tend to produce short-lasting results, with profound effects lasting an average of up to 4 weeks. The purpose of this study was to determine the average duration and magnitude of pain relief after meniscal-targeted injections. METHODS: The electronic medical records of 135 patients were accessed for this retrospective chart review. Patients who had meniscal tears or degenerative fraying and were treated with meniscal-targeted injections were selected. Patients' visual analog scale (VAS) pain scores (before and after treatment) were recorded, along with the percentage of pain relief and duration of pain relief. RESULTS: Ultrasound-guided meniscus-targeted corticosteroid injections for meniscal tears or degenerative fraying produced 5.68 (SD, 5.28) weeks of pain relief on average, with a decrease in pain from initial to follow-up visits of 2.14 (P < .0001) as per the visual analog scale score, and an Integral of Pain Relief score of 3.98. CONCLUSIONS: Our findings indicate a substantial benefit from 20- or 40-mg meniscus-targeted triamcinolone injections, granted the limitations of chart review research and no control group comparison. Results highlight the need for future prospective research comparing meniscus-targeted injections with intra-articular injections to identify a better modality for treating patients with chronic knee pain caused by meniscal tears or degenerative fraying.

Simulator Based Obstetric Ultrasound Training: A Prospective, Randomized Single-Blinded Study.

OBJECTIVE: To compare the use of simulator-based and patient-based obstetric ultrasound training. METHODS: This was a prospective, randomized, single-blinded trial. Eighteen consenting obstetric trainees with minimal previous ultrasound exposure were recruited. Enrolled patients were also fully consenting. Mid-trimester fetal brain anatomy in the standard planes (i.e., biparietal diameter and head circumference, cavum septum pellucidum, posterior fossa, and lateral ventricle) was chosen as a surrogate for all fetal anatomy ultrasound training. Trainees were randomized into two groups according to training method: simulator group (n = 9) or patient group (n = 9). All participating trainees went through the following sequence: a didactic session regarding the required planes; a "real" patient 15-minute pretest; a 45-minute training session with a dedicated ultrasound educator, using either a simulator or a "real" patient (according to the randomized group assignment); and a 15-minute post-test to obtain and label the standard four planes on a "real" patient. All images were stored and then scored by two blinded Maternal Fetal Medicine staff, according to 3 set criteria: image quality, landmarks, and measurements. Each criterion was scored 0 to 15 for a total score of 0 to 60. RESULTS: Pretest competence was similar between the two groups. For each of the two groups there was a significant score improvement following training: real patient (mean score pretest 13.3 vs. post-test 24.6; P < 0.04) and simulator group (mean score pretest 15.9 vs. post-test 28.9; P < 0.05). All trainees demonstrated significant overall score improvements (mean score pretest 14.6 vs. post-test 26.6; P < 0.04) regardless of training method. Trainees were further divided by their initial level of confidence (pretest score ≤5: very unconfident; pretest >5: unconfident). The improvement was similar for both groups, but "very unconfident" trainees' performance improved more in the simulator group (mean pretest vs. post-test score 3.5 to 35) compared with the patient group (mean pretest vs. post-test score 2.3 to 25.6) CONCLUSION: Simulator-based obstetric ultrasound training performed as well as real patient training and was found to be especially beneficial for beginner trainees. Simulator-based ultrasound training has a high rate of acceptance by trainees, does not require investment of patient or clinic resources, and warrants consideration as an educational tool for the safe and effective teaching of obstetric ultrasound.

Role of ultrasonography in an impalpable tissue larynx model during a simulated front-of-neck access scenario: a randomized simulation study.

PURPOSE: A large vertical incision is recommended when performing front-of-neck access in patients with impalpable neck landmarks during a cannot intubate-cannot oxygenate (CICO) scenario. We investigated the impact of ultrasonography on vertical incision size of a front-of-neck access on an ultrasound-compatible impalpable porcine larynx model. METHODS: Emergency medicine and anesthesia trainees were randomized to the Ultrasound (US, n = 21) and Non-Ultrasound (NUS, n = 21) groups. Within 1 week after a teaching session on airway ultrasound and Scalpel-Bougie-Tube (SBT) technique, participants were instructed to perform cricothyroidotomy on the model during a simulated cannot intubate-cannot oxygenate scenario. The primary outcome was a vertical size incision. Secondary outcomes were procedural completion time, horizontal size incision, tissue injury severity, and correct tube placement. RESULTS: The ultrasound group performed a significantly smaller vertical incision [median (IQR), 35.0 (15, 40) vs 65.0 (52, 100) mm (95% CI) - 30.0 (- 55.1, - 4.9), p = 0.02] and took longer total time to complete the procedure [median (IQR), 200.5 (126, 267) vs 93.5 (71.0, 167.5) secs (95% CI) 91.0 (3.73, 178.3), p = 0.04]. Tissue injury severity and correct tube placement were similar between groups. CONCLUSIONS: Ultrasound-guided identification of the cricothyroid membrane significantly reduced the recommended vertical incision size with similar success rates. However, there was an increased time when performing a Scalpel-Bougie-Tube cricothyroidotomy on an impalpable porcine larynx model by physicians in training. Ultrasonography should not be used in an emergency scenario of airway rescue. Its potential use to pre-mark the cricothyroid membrane should be considered in difficult airway management of impalpable neck.

RéSUMé: OBJECTIF: Il est recommandé de pratiquer une grande incision verticale lors de l'accès à l'avant du cou chez les patients dont les repères du cou sont impalpables, dans le cadre d'un scénario d'intubation impossible à oxygéner (CICO). Nous avons étudié l'impact de l'échographie sur la taille de l'incision verticale d'un accès à la face avant du cou sur un modèle de larynx porcin impalpable compatible avec l'échographie. MéTHODES: Des stagiaires en médecine d'urgence et en anesthésie ont été répartis de manière aléatoire entre les groupes "échographie" (US, n = 21) et "non-échographie" (NUS, n = 21). Une semaine après une session d'enseignement sur l'échographie des voies aériennes et la technique Scalpel-Bougie-Tube (SBT), les participants ont reçu l'instruction de réaliser une cricothyroïdotomie sur le modèle lors d'un scénario simulé d'impossibilité d'intubation et d'oxygénation. Le résultat primaire était une incision de taille verticale. Les résultats secondaires étaient le temps de réalisation de la procédure, la taille horizontale de l'incision, la gravité de la lésion tissulaire et le placement correct du tube. RéSULTATS: Le groupe échographie a réalisé une incision verticale significativement plus petite [médiane (IQR), 35,0 (15,40) vs 65,0 (52,100) mm (IC à 95 %) -30,0 (-55,1, -4,9), p = 0,02] et a pris un temps total plus long pour terminer la procédure [médiane (IQR), 200,5 (126, 267) vs 93,5 (71,0, 167,5) secondes (IC à 95 %) 91,0 (3,73, 178,3), p = 0,04]. La gravité des lésions tissulaires et le placement correct du tube étaient similaires entre les groupes. CONCLUSIONS: L'identification échoguidée de la membrane cricothyroïdienne a réduit de manière significative la taille de l'incision verticale recommandée avec des taux de réussite similaires. Cependant, il y avait une augmentation du temps lors de la réalisation d'une cricothyroïdotomie Scalpel-Bougie-Tube sur un modèle de larynx porcin impalpable par des médecins en formation. L'échographie ne doit pas être utilisée dans un scénario d'urgence de sauvetage des voies respiratoires. Son utilisation potentielle pour pré-marquer la membrane cricothyroïdienne devrait être envisagée dans la gestion des voies aériennes difficiles du cou impalpable.

In situ simulation and its effects on patient outcomes: a systematic review.

Background: The use of in situ simulation has previously been shown to increase confidence, teamwork and practical skills of trained professionals. However, a direct benefit to patient outcomes has not been sufficiently explored. This review focuses on the effect of in situ simulation training in a hospital setting on morbidity or mortality. Methods: A combined search was conducted in PUBMED, OVID, WEB OF SCIENCE, CINAHL, SCOPUS and EMBASE. 478 studies were screened with nine articles published between 2011 and 2017 meeting the inclusion criteria for analysis. Results: This review selected eight prospective studies and one prospective-retrospective study. Three studies isolated in situ simulation as an experimental variable while the remaining studies implemented in situ programmes as a component of larger quality improvement initiatives. Seven studies demonstrated a significant improvement in morbidity and/or mortality outcomes following integrated in situ simulation training. Conclusion: Existing literature, albeit limited, demonstrates that in situ training improves patient outcomes either in isolation or within a larger quality improvement programme. However, existing evidence contains difficulties such as isolating the impact of in situ training from various potential confounding factors and potential for publication bias.

Evaluation of a Web-based Educational Program to Teach the Identification and Management of Alcohol Withdrawal in the Emergency Department.

BACKGROUND: Ideal management of alcohol withdrawal syndrome (AWS) incorporates a symptom-driven approach, where patients are regularly assessed using a standardized scoring system (Clinical Institute Withdrawal Assessment for Alcohol-Revised [CIWA-Ar]) and treated according to severity. Accurate administration of the CIWA-Ar requires experience, yet there is no training program to teach this competency. The objective of this study was to develop and evaluate a curriculum to teach clinicians how to accurately assess and treat AWS. METHODS: This was a three-phase education program consisting of a series of e-learning modules containing core competency material, an in-person seminar to orient learners to high-fidelity simulation, and a summative evaluation in an objective structured clinical examination setting using a standardized patient. To determine the impact of the AWS curriculum, we recorded how often the CIWA-Ar was appropriately applied in the emergency department (ED) before and after training. A CIWA-Ar protocol breach was defined as inappropriate administration of benzodiazepines (CIWA-Ar < 10) and failure to administer benzodiazepines when required (CIWA-Ar ≥ 10). ED length of stay, amount of benzodiazepines administered in the ED, discharge prescriptions, and unit doses (take-away bottle of four tablets) of benzodiazepine given were recorded. RESULTS: Seventy-four ED nurses completed the curriculum over an 8-week period. In the 5 months prior to the educational program delivery, we identified 144 of 565 (25.5%) CIWA-Ar protocol breaches, compared to 64 of 547 (11.7%) in the 5 months after training (∆13.8%, 95% confidence interval [CI] = 9.3%-18.3%). Program completion resulted in a reduction in the median total dose of diazepam administered in the ED (40 mg vs. 30 mg, ∆10 mg, 95% CI = 0-20 mg) and no change was detected in ED length of stay and benzodiazepines prescribed. CONCLUSIONS: Completion of this curriculum resulted in better compliance with the CIWA-Ar protocol by those who administer the CIWA-Ar; however, changes in inappropriate benzodiazepine prescribing practice will require future interdisciplinary initiatives.

An Equivalence Trial Comparing Instructor-Regulated With Directed Self-Regulated Mastery Learning of Advanced Cardiac Life Support Skills.

INTRODUCTION: Instructor-led simulation-based mastery learning of advanced cardiac life support (ACLS) skills is an effective and focused approach to competency-based education. Directed self-regulated learning (DSRL) may be an effective and less resource-intensive way to teach ACLS skills. METHODS: Forty first-year internal medicine residents were randomized to either simulation-based DSRL or simulation-based instructor-regulated learning (IRL) of ACLS skills using a mastery learning model. Residents in each intervention completed pretest, posttest, and retention test of their performance in leading an ACLS response to a simulated scenario. Performance tests were assessed using a standardized checklist. Residents in the DSRL intervention were provided assessment instruments, a debriefing guide, and scenario-specific teaching points, and they were permitted to access relevant online resources. Residents in the IRL intervention had access to the same materials; however, the teaching and debriefing were instructor led. RESULTS: Skills of both the IRL and DSRL interventions showed significant improvement after the intervention, with an average improvement on the posttest of 21.7%. After controlling for pretest score, there was no difference between intervention arms on the posttest [F(1,37) = 0.02, P = 0.94] and retention tests [F(1,17) = 1.43, P = 0.25]. Cost savings were realized in the DSRL intervention after the fourth group (16 residents) had completed each intervention, with an ongoing savings of $80 per resident. CONCLUSIONS: Using a simulation-based mastery learning model, we observed equivalence in learning of ACLS skills for the DSRL and IRL conditions, whereas DSRL was more cost effective.

Sterile versus nonsterile gloves for repair of uncomplicated lacerations in the emergency department: a randomized controlled trial.

STUDY OBJECTIVE: Although sterile technique for laceration management continues to be recommended, studies supporting this practice are lacking. Using clean nonsterile gloves rather than individually packaged sterile gloves for uncomplicated wound repair in the emergency department may result in cost and time savings. This study is designed to determine whether the rate of infection after repair of uncomplicated lacerations in immunocompetent patients is comparable using clean nonsterile gloves versus sterile gloves. METHODS: A prospective multicenter trial enrolled 816 individuals who were randomized to have their wounds repaired by using sterile or clean nonsterile gloves. The attending physician or resident completed a checklist describing patient, wound, and management characteristics. The patients were provided with a questionnaire to be completed by the physician who removed their sutures at the prescribed time and indicated the presence or absence of infection. When follow-up forms were not returned, a telephone call was made to the patient to determine whether he or she had experienced any wound complications. RESULTS: Follow-up was obtained for 98% of the sterile gloves group and 96.6% of the clean gloves group. There was no statistically significant difference in the incidence of infection between the 2 groups. The infection rate in the sterile gloves group was 6.1% (95% confidence interval [CI] 3.8% to 8.4%) and was 4.4% in the clean gloves group (95% CI 2.4% to 6.4%). The relative risk of infection was 1.37 (95% CI 0.75 to 2.52). CONCLUSION: This study demonstrated that there is no clinically important difference in infection rates between using clean nonsterile gloves and sterile gloves during the repair of uncomplicated traumatic lacerations.