Δευτέρα 18 Νοεμβρίου 2019

What's new in emergencies, trauma and shock? Using queuing theory to optimize the emergency department triage process
Leon D Sanchez, Joshua W Joseph

Journal of Emergencies, Trauma, and Shock 2019 12(4):225-226

Gunshot wounds – From Lebanon, via Syria, to the streets of your city!
Timothy Craig Hardcastle

Journal of Emergencies, Trauma, and Shock 2019 12(4):227-228

The 2019 WACEM and academic college of emergency experts india position paper on developing the academic department of space medicine in India – The time has come!
Vivek Chauhan, Sagar Galwankar, Kishore K Deepak, Anant Mohan, Randeep Guleria, Sanjeev Bhoi, Praveen Aggarwal

Journal of Emergencies, Trauma, and Shock 2019 12(4):229-231

The 2019 WACEM expert document on the framework for setting up a simulation centre
Fatimah Lateef, Shanqing Yin, Madhavi Suppiah

Journal of Emergencies, Trauma, and Shock 2019 12(4):232-242

Almost every institution and academic medical center has its own simulation center today. It seems to have become a prerequisite and is incorporated into the guidelines of setting up new centers as well as in the upgrading and enhancement plans of existing institutions. In considering this, it is critical to consider the needs and demands of the healthcare population and staff the center will be serving. Setting up a simulation center is not an endeavor to be undertaken lightly. It entails a sustainable commitment in terms of political will, professional, educational and financial commitments. On the other hand, setting up a simulation center can be the most worthwhile and rewarding experience if the objectives and goals are met and effective learning occurs. The latter is an important element to be considered in the step toward nurturing an effective healthcare practitioner. In this paper, the principle author, who is the Director of the SingHealth Duke NUS Institute of Medical Simulation (SIMS) in Singapore, shares her views and experience of leading a world-class simulation facility. She has been involved in SIMS from its conception and is a strong advocate of medical education and lifelong learning. At the end of this paper, she shares a Checklist which puts together all the important considerations for anyone or any institution what is looking at setting up a simulation facility, a simulation-based training program, or even upgrading and upscaling their current simulation centre.

The 2019 WACEM expert document on hybrid simulation for transforming health-care simulation through “mixing and matching”
Fatimah Lateef, Xin Yi Too

Journal of Emergencies, Trauma, and Shock 2019 12(4):243-247

With the multitude of options available under the umbrella of “simulation” today, we have a larger repertoire of choices in our educational journey and outreach. These provide a platform for us to really transform health-care simulation from the traditional, unimodality simulation, to more complex, high fidelity, integrated, and engaging multimodality techniques. The main thrust must be to enhance clinical decision-making in patient care, to solve real-world clinical problems. Hybrid simulation (HS) utilizes at least two different simulation modalities, whereby combining them will enable one type of simulation modality to enhance the other, with the proper alignment, coordination, and interfacing between the modalities. Although the term is often used interchangeably, HS is slightly different from multimodality simulation. The latter refers to the use of multiple types of simulation in the same scenario or place. The main objectives for using HS have to be as follows: (1) for the acquisition of knowledge and skills by the best combination of methodologies, (2) for clinical performance improvement at all levels of care through the creation of as close as possible to real-world situation and problems, (3) to be able to sustain motivation and passion of our spectrum learners in their educational continuum, and (4) to provide a rich, exciting, and stimulating learning platform and environment, which can trigger deep learning and understanding. This article will also share some examples and cases utilizing HS in transforming health-care simulation.

Utility of point-of-care lung ultrasound for initial assessment of acute respiratory distress syndrome patients in the emergency department
A Sanjan, S Vimal Krishnan, Siju V Abraham, Babu Urumese Palatty

Journal of Emergencies, Trauma, and Shock 2019 12(4):248-253

Aim: Lung ultrasound (LUS) has been extensively used in the evaluation of acute respiratory distress syndrome (ARDS) in the critical care setting. In our study, we aim to assess the utility of point-of-care ultrasound (POCUS)-LUS in the initial assessment of ARDS patients presenting to the emergency department (ED). Subjects and Methods: We evaluated a prospective convenience sample of 73 adult patients presenting to the ED. The bedside LUS was performed by the trained emergency physician on patients with undifferentiated dyspnea with a clinical diagnosis of ARDS according to the Berlin's criteria. The four major LUS findings were examined on structured 12-zone LUS. The observed profile consisted of A lines, well-separated B lines, coalescent B lines, and consolidation among patients who were clinically diagnosed as ARDS. These LUS findings may vary depending on the severity of ARDS. The findings were analyzed using IBM SPSS Statistics for Windows, Version 24.0 (IBM Corp., Armonk, NY, USA). Results: Of the 73 study individuals, majority were male 46 (63%). The distributions of study individuals were as follows: 27% – mild ARDS, 37% – moderate ARDS, and 36% – severe ARDS. Coalescent B lines are present in about 70.4% and 92.3% of moderate and severe ARDS patients, respectively. Consolidations are predominantly present in moderate (100%) and severe (92.3%) ARDS. Conclusion: LUS in the initial assessment of patients' with ARDS yielded significant findings in the three clinically designated categories. This study opens up the possibility of using POCUS as an adjunct in the initial assessment of ARDS patient in the ED.

Is emergency department thoracotomy effective in trauma resuscitation? The retrospective study of the emergency department thoracotomy in trauma patients at thammasat university hospital, Thailand
Amonpon Kanlerd, Nattida Sapsamarn, Karikarn Auksornchart

Journal of Emergencies, Trauma, and Shock 2019 12(4):254-259

Introduction: The survival rate after the emergency department thoracotomy (EDT) in trauma patients varies from the previous study as 1.6% in blunt injury and 11.2% in penetrating injury. Most of the data came from Europe, the US, South Africa, and Japan. This study aims to identify the success of EDT of trauma patients at Thammasat University Hospital, Thailand, and to evaluate the effectiveness of EDT. This study may be representative data for Southeast Asia. Materials and Methods: This retrospective review of 21 consecutive EDT cases which performed by our staffs and chief of general surgery residents between June 2009 and July 2016. Age, gender, injury mechanisms, injury sites, patient transport methods, initial vital signs, fluids and blood component requirements, resuscitation times, laboratory results, and injury severity scores were all analyzed. Results: Of the 21 EDT cases, one patient was excluded due to being a nontraumatic case. The remaining twenty patients were primarily young (mean 36.5 years), male (85%), suffering from blunt injuries (75%), of which 45% were predominantly thoracic injuries. Most of the patients presented without any sign of life (75%), and the total time for resuscitation was 43.5 ± 19.6 min. Seven patients (35%) had the return of spontaneous circulation (ROSC) and were successful in being brought to the operating room. Unfortunately, all patients passed away within 24 h of the operation. Conclusions: The ROSC rate of EDT in this study was 35%, but with no survival benefit. Therefore, we cannot guarantee that EDT serves as an effective life-saving procedure. However, EDT may play a significant role in treating extremis injured patients.

Neutrophil gelatinase-associated lipocalin as an early diagnostic biomarker of acute kidney injury in snake bite
Subramanian Senthilkumaran, Ponniah Thirumalaikolundusubramanian, Namasivayam Elangovan

Journal of Emergencies, Trauma, and Shock 2019 12(4):260-262

Background: Snakebite envenomation is a major public health problem in the developing world, and the effects of viper envenomation on renal tissues leading to acute kidney injury (AKI) are well known. However, the usefulness of neutrophil gelatinase-associated lipocalin (NGAL) as a biomarker to detect AKI in viper envenomation cases were not studied much. Aims and Objectives: The present study was undertaken to find out plasma NGAL levels and assess its usefulness among the hospitalized Viperidae group of snakebite victims in predicting acute kidney injury. Materials and Methods: The plasma NGAL level was estimated within 6–8 h of all the 184 cases of viper bites along with other laboratory parameters. Results: It was elevated much before the elevation of serum creatinine levels, irrespective of the age, gender, and bite to hospital time. The sensitivity and specificity was 99.37 and 96.15, respectively. Elevated plasma NGAL levels in viper bite helped not only to detect AKI early but also assisted to plan for appropriate intervention. Conclusion: It is suggested to include estimation of plasma NGAL in the point of care testing, especially in emergency settings handling snakebite cases. However, more studies are recommended to find out its serial levels in snakebite cases following different kinds of snake envenomation with different clinical and laboratory manifestations in different age groups and gender belonging to different population so as to arrive at valid conclusions.

Last breath in the emergency department
Aakriti Jain, Noella Nathaniel Sase, Anne Rhea Mathew, Immanuel Judson Paul, Paul Prabhakar Abhilash Kundavaram, Priya Ganesan

Journal of Emergencies, Trauma, and Shock 2019 12(4):263-267

Background: Early and aggressive time to intervention has been shown to increase the odds of survival and decrease mortality in critically ill patients. Since emergency medicine is a nascent specialty in India, a review and assessment of the mortality profile in the Emergency Department (ED) would help improve the quality of care. Aims: The aim of the study is to determine the mortality profile and causes of preventable deaths at large ED in South India. Methods: This retrospective chart review was conducted between January and December 2017. Patients admitted with Triage priority 1 and priority 2 of our ED, who died, despite treatment, were recruited in the study. Two ED consultants blinded from each other, independently audited all the charts to determine preventable and nonpreventable causes of death. Results: There were a total of 69,369 patients during the study period who presented to the ED. Despite resuscitation 189 (0.7%) died, the mortality rate was 2.43%. Cardiac-related (32%) and sepsis-related (31%) causes were the most common cause of death, 23.8% were due to preventable causes and 16.9% of which were due to inappropriate management. In patients with sepsis, the odds of death due to preventable causes were significantly high (odds ratio 4.31, 95% confidence intervals: 1.96–9.47; P < 0.001). Conclusions: Cardiac- and sepsis-related causes of death, together accounted for most of the mortality. In patients with sepsis, the odds of death due to preventable causes were more than four times higher than those without preventable causes.

Application of queuing theory to optimize the triage process in a tertiary emergency care (“ER”) department
Atilio Moreno-Carrillo, Lina María �vila Arenas, Julián Andrés Fonseca, Camilo Andrés Caicedo, Sandra Verónica Tovar, Oscar Mauricio Muñoz-Velandia

Journal of Emergencies, Trauma, and Shock 2019 12(4):268-273

Context: Time from triage to patient care is usually evaluated, but time elapsed between the arrival of patient to emergency room (ER) and triage (pretriage) is not usually measured. Aims: The present study evaluates how the application of the queuing (or “waiting line”) theory in the triage process can generate effective strategies to improve patient care in the ER. Settings and Design: A “before-and-after” study was conducted in the ER of the Hospital Universitario San Ignacio, a tertiary emergency care in Bogotá, Colombia. Subjects and Methods: The pretriage time was evaluated, and queuing theory was applied to the evaluation; according to the results, the number and distribution of the necessary nursing personnel were determined. Statistical Analysis Used: The change in waiting times was compared using a paired t-test. Results: In a first 7 months evaluation period, 89,898 patient visits were considered, with an average pretriage time of 22.15 min. According to the arrival distribution by hours and days of the week and considering the results of the calculations made using queuing theory, the number of nurses needed in the service per hour was determined for each day of the week, and schedule changes were implemented without increasing staff. In a second similar evaluation period, 94,497 patient visits were considered demonstrating a reduction of the pretriage time to 7.5 min (mean difference 14.64 min, 95% confidence interval 14.42–14.85, P < 0.001). Conclusions: The use of queuing theory in the planning of the daily personnel requirements in the triage area of ER can reduce the pretriage time by 65% without incurring additional cost.

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