Regional anesthesia in the emergency department outside the operating theatre

Instructional design features in ultrasound-guided regional anaesthesia simulation-based training: a systematic review

INTRODUCTION

Ultrasound-guided regional anaesthesia enhances pain control, patient outcomes and lowers healthcare costs. However, teaching this skill effectively presents challenges with current training methods. Simulation-based medical education offers advantages over traditional methods. However, the use of instructional design features in ultrasound-guided regional anaesthesia simulation training has not been defined. This systematic review aimed to identify and evaluate the prevalence of various instructional design features in ultrasound-guided regional anaesthesia simulation training and their correlation with learning outcomes using a modified Kirkpatrick model.

METHODS

A comprehensive literature search was conducted including studies from inception to August 2024. Eligibility criteria included randomised controlled trials; controlled before-and-after studies; and other experimental designs focusing on ultrasound-guided regional anaesthesia simulation training. Data extraction included study characteristics; simulation modalities; instructional design features; and outcomes.

RESULTS

Of the 2023 articles identified, 62 met inclusion criteria. Common simulation modalities included live-model scanning and gel phantom models. Instructional design features such as the presence of expert instructors, repetitive practice and multiple learning strategies were prevalent, showing significant improvements across multiple outcome levels. However, fewer studies assessed behaviour (Kirkpatrick level 3) and patient outcomes (Kirkpatrick level 4).

DISCUSSION

Ultrasound-guided regional anaesthesia simulation training incorporating specific instructional design features enhances educational outcome; this was particularly evident at lower Kirkpatrick levels. Optimal combinations of instructional design features for higher-level outcomes (Kirkpatrick levels 3 and 4) remain unclear. Future research should standardise outcome measurements and isolate individual instructional design features to better understand their impact on clinical practice and patient safety.

Using the Theoretical Domains Framework to identify barriers and facilitators to peripheral nerve block use in older adult patients with a hip fracture: a national survey

PURPOSE

Peripheral nerve blocks (PNBs) in older adult patients with a hip fracture improve morbidity and mortality, reduce health care costs, and improve quality of care. Despite the benefits, PNB use rates remain low. We aimed to use the Theoretical Domains Framework to investigate the barriers and facilitators to PNB use in patients with a hip fracture from the perspective of Canadian anesthesiologists.

METHODS

We created an online survey that collected both quantitative and qualitative responses. After research ethics board approval, the survey was distributed among all Canadian Anesthesiologists' Society (CAS) members. We present five-point Likert responses as medians and interquartile ranges [IQRs], conducted thematic analysis on the narrative feedback, and performed cluster analysis to explore patterns associated with survey responses.

RESULTS

We obtained responses from 256/2,498 (10.2%) CAS members. Of these respondents, 215 (84%) performed PNBs for patients with a hip fracture. The median [IQR] five-point Likert responses showed that participants felt confident placing a PNB (4 [4-5]) and agreed they possessed adequate knowledge and skills for PNB placement (4 [4-5]). Participants' responses showed lower ratings with greater variability for availability of adequate time (3 [3-4]), collaboration with the perioperative team (4 [2-4]), and adequate resources (4 [3-5]). Barriers to PNB use identified through thematic analysis included time pressure as well as inadequate human resources, training opportunities, and multidisciplinary collaboration with other health care professionals. Facilitators included more education, dedicated resources, and clinical care pathways.

CONCLUSION

Our results identified several barriers and facilitators related to physical resources, operational support, and educational factors that may inform future interventions to increase PNB use in older patients with a hip fracture. The results of this study may not be generalizable to all Canadian practice settings because of a low response rate and high proportion of respondents who performed PNBs at their local institution.

Emergency practitioner-administered ultrasound nerve blocks in the emergency department: A retrospective analysis

OBJECTIVES

In the realm of acute pain management within emergency departments (EDs), the prevalent reliance on systemic analgesics, notably opioids, presents challenges due to associated risks and suboptimal efficacy. The emerging alternative of ultrasound-guided nerve blocks (USGNBs) has shown promise in prospective studies. However, the safety and efficacy of USGNBs when performed by emergency medicine practitioners remain largely unexplored, necessitating this study to address the research gap. The primary objectives of this study were to assess the efficacy of Emergency physician-performed USGNBs and changes in patient-reported pain (pre- and postnerve block) at 15 and 30 min. In addition, the time taken to perform nerve blocks, type of nerve block, frequency, indications, procedure time, and complications were all studied.

METHODS

Conducted at a Tertiary Care Teaching Hospital in Pune, India, this single-center, retrospective observational study aimed to evaluate the effectiveness of USGNBs in the ED context. A retrospective analysis covered 274 emergency practitioner-performed USGNBs recorded from January 2022 to December 2023. Participants included consecutive ED patients consenting to nerve blocks, with practitioners utilizing bupivacaine (0.25%) and ropivacaine (0.25%) based on individual preferences. The study systematically recorded patient demographics, block types, indications, complications, and pre- and postpain scores on a Numerical Rating Scale.

RESULTS

The study demonstrated a significant reduction in pain scores post-USGNB, with an average decrease of 2.9 ± 1.08 at 15 min and 5.8 ± 1.39 at 30 min. Commonly performed blocks included the femoral nerve, fascia iliaca, and serratus anterior, with notable pain relief in fracture management cases. Procedural durations varied, ranging from 2 to 12 min, while four complications were reported, including diaphragmatic paresis and arterial punctures during interscalene nerve block and fascia iliac compartment blocks, respectively.

CONCLUSION

This extensive study in an academic ED setting supports the proficiency of emergency practitioners in performing USGNBs. The findings emphasize the transformative potential of USGNBs in academic ED pain management, showcasing notable pain reduction and minimal complications. These results advocate for the integration of advanced pain relief techniques into emergency medicine training programs, contributing to a comprehensive approach to acute pain management.

Regional Anaesthesia, Contemporary Techniques, and Associated Advancements: A Narrative Review

In particular, the application of regional anaesthesia techniques in existing medicine can be characterized as experiencing regular changes in recent decades. It is useful for obtaining accurate and efficient pain management solutions, from the basic spinal and epidural blocks to the novel ultrasound nerve blocks and constant catheter procedures. These advancements do enhance not only the value of the perioperative period but also the patient's rated optimization as enhancing satisfaction, better precision, and the safety of nerve block placement. The use of ultrasound technology makes it even easier to determine the proper positioning of the needle and to monitor nerve block placement. Moreover, the duration and efficiency of regional anaesthesia are being enhanced by state-of-the-art approaches, which come in the form of liposomal bupivacaine, and better recovery plans and protocols, which shorten recovery time and decrease the number of hospital days. As these methods develop further, more improvements in the safety, efficacy, and applicability of regional anaesthesia in contemporary medicine are anticipated through continued research and innovation.

[Peripheral Regional Anesthesia Techniques - Standards in Flux?!]

This review article provides an overview of current developments in peripheral regional anaesthesia (RA). The authors present a subjective compilation based on discussions at professional events and inquiries to the Working Group on Regional Anaesthesia of the German Society for Anaesthesiology and Intensive Care Medicine (DGAI). The article addresses several relevant topics, including the handling of antithrombotic medication in peripheral blockades with reference to European guidelines, the debate on the discharge timing after plexus anaesthesia, and the consideration of rebound pain as an independent pain entity following RA.Furthermore, the contentious discussion regarding the administration of peripheral nerve blockades under general anaesthesia is illuminated. The authors express no fundamental concerns in this regard but emphasize the importance of preoperative evaluation and individual patient needs. The question of mixing local anaesthetics is also addressed, with the authors critically questioning this tradition and recommending the use of individual, long-acting substances.Another focal point is the application of peripheral nerve blockades in emergency medicine, both in preclinical and emergency room settings. The authors highlight the necessity for high-quality studies and discuss the complex organizational issues associated with the preclinical application of RA techniques.