Journal of Emergencies, Trauma, and Shock
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   Table of Contents - Current issue
April-June 2017
Volume 10 | Issue 2
Page Nos. 53-87

Online since Friday, March 3, 2017

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What's new in Emergencies, Trauma and Shock?Tackling prehospital delay to reperfusion therapy in ST-elevation myocardial infarction: A global problem, a glocal approach p. 53
Keng Sheng Chew
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Lactate clearance as the predictor of outcome in pediatric septic shock p. 55
Richa Choudhary, Sadasivan Sitaraman, Anita Choudhary
Context: Septic shock can rapidly evolve into multiple system organ failure and death. In the recent years, hyperlactatemia has been found to be a risk factor for mortality in critically ill adults. Aims: To evaluate the predictive value of lactate clearance and to determine the optimal cut-off value for predicting outcome in children with septic shock. Settings and Design: A prospective observational study was performed on children with septic shock admitted to pediatric Intensive Care Unit (PICU). Subjects and Methods: Serial lactate levels were measured at PICU admission, 24 and 48 h later. Lactate clearance, percent decrease in lactate level in 24 h, was calculated. The primary outcome measure was survival or nonsurvival at the end of hospital stay. We performed receiver operating characteristic analyses to calculate optimal cut-off values. Results: The mean lactate levels at admission were significantly higher in the nonsurvivors than survivors, 5.12 ± 3.51 versus 3.13 ± 1.71 mmol/L (P = 0.0001). The cut-off for lactate level at admission for the best prediction of mortality was determined as ≥4 mmol/L (odds ratio 5.4; 95% confidence interval [CI] =2.45–12.09). Mean lactate clearance was significantly higher in survivors than nonsurvivors (17.9 ± 39.9 vs. −23.2 ± 62.7; P < 0.0001). A lactate clearance rate of <10% at 24 h had a sensitivity and specificity of 78.7% and 72.2%, respectively and a positive predictive value of 83.1% for death. Failure to achieve a lactate clearance of more than 10% was associated with greater risk of mortality (likelihood ratio + 2.83; 95% CI = 1.82–4.41). Conclusions: Serial lactate levels can be used to predict outcome in pediatric septic shock. A 24 h lactate clearance cut-off of <10% is a predictor of in-hospital mortality in such patients.
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Trauma patients warrant upper and lower extremity venous duplex ultrasound surveillance p. 60
Alonso Andrade, Alan H Tyroch, Susan F McLean, Jody Smith, Alex Ramos
Background: Due to the high incidence of thromboembolic events (deep venous thrombosis [DVT] and pulmonary embolus [PE]) after injury, many trauma centers perform lower extremity surveillance duplex ultrasounds. We hypothesize that trauma patients are at a higher risk of upper extremity DVTs (UEDVTs) than lower extremity DVTs (LEDVTs), and therefore, all extremities should be evaluated. Materials and Methods: A retrospective chart and trauma registry review of Intensive Care Unit trauma patients with upper and LEDVTs detected on surveillance duplex ultrasound from January 2010 to December 2014 was carried out. Variables reviewed were age, gender, injury severity score, injury mechanism, clot location, day of clot detection, presence of central venous pressure catheter, presence of inferior vena cava filter, mechanical ventilation, and fracture. Results: A total of 136 patients had a DVT in a 5-year period: upper - 71 (52.2%), lower - 61 (44.9%), both upper and lower - 4 (2.9%). Overall, 75 (55.2%) patients had a UEDVT. Upper DVT vein: Brachial (62), axillary (26), subclavian (11), and internal jugular (10). Lower DVT vein: femoral (58), popliteal (14), below knee (4), and iliac (2). 10.3% had a PE: UEDVT - 5 (6.7%) and LEDVT - 9 (14.8%) P = 0.159. Conclusions: The majority of the DVTs in the study were in the upper extremities. For trauma centers that aggressively screen the lower extremities with venous duplex ultrasound, surveillance to include the upper extremities is warranted.
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Prehospital delay and time to reperfusion therapy in ST elevation myocardial infarction p. 64
Linsha George, Lakshmi Ramamoorthy, Santhosh Satheesh, Rama Prakasha Saya, D. K. S. Subrahmanyam
Background: Despite efforts aimed at reducing the prehospital delay and treatment delay, a considerable proportion of patients with ST elevation myocardial infarction (STEMI) present late and receive the reperfusion therapy after unacceptably long time periods. This study aimed at finding out the patients' decision delay, prehospital delay, door-to-electrocardiography (ECG), door-to-needle, and door-to-primary percutaneous coronary intervention (PCI) times and their determinants among STEMI patients. Materials and Methods: A cross-sectional study conducted among 96 patients with STEMI admitted in a tertiary care center in South India. The data were collected using interview of the patients and review of records. The distribution of the data was assessed using Kolmogorov–Smirnov test, and the comparisons of the patients' decision delay, prehospital delay, and time to start reperfusion therapy with the different variables were done using Mann–Whitney U-test or Kruskal–Wallis test based on the number of groups. Results: The mean (standard deviation) and median (range) age of the participants were 55 (11) years and 57 (51) years, respectively. The median patients' decision delay, prehospital delay, door-to-ECG, door-to-needle, and door-to-primary PCI times were 75, 290, 12, 75, 110 min, respectively. Significant factors associated (P < 0.05) with patients' decision delay were alcoholism, symptom progression, and attempt at symptom relief measures at home. Prehospital delay was significantly associated (P < 0.05) with domicile, difficulty in arranging money, prior consultation at study center, place of symptom onset, symptom interpretation, and mode of transportation. Conclusions: The prehospital delay time among the South Indian population is still unacceptably high. Public education, improving the systems of prehospital care, and measures to improve the patient flow and management in the emergency department are essentially required. The time taken to take ECG and to initiate reperfusion therapy in this study points to scope for improvement to meet the American Heart Association recommended timings.
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Seat belt-related injuries: A surgical perspective p. 70
Tahir Masudi, Helen Capitelli McMahon, Jennifer L Scott, Andrew S Lockey
Introduction: Legislation making seatbelt use mandatory is considered to have reduced fatal and serious injuries by 25%, with UK government estimates predicting more than 50,000 lives saved since its introduction. However, whilst the widespread use of seatbelts has reduced the incidence of major traumatic injury and death from road-traffic collisions (RTCs), their use has also heralded a range of different injuries. The first ever seatbelt related injury was described in 1956, and since then clear patterns of seatbelt-related injuries have been recognised. Methodology and Findings: This review of the published literature demonstrates that the combination of airbags and three-point seatbelts renders no part of the body free from injury. Serious injuries can, and do, occur even when passengers are properly restrained and attending clinicians should have a high index of suspicion for overt or covert intra-abdominal injuries when patients involved in RTCs attend the Emergency Department. Bruising to the trunk and abdomen in a seatbelt distribution is an obvious sign that suggests an increased risk of abdominal and thoracic injury, but bruising may not be apparent and its absence should not be falsely reassuring. A high index of suspicion should be retained for other subtler signs of injury. Children and pregnant women represent high-risk groups who are particularly vulnerable to injuries. Conclusion: In this review we highlight the common patterns of seatbelt-related injuries. A greater awareness of the type of injuries caused by seatbelt use will help clinicians to identify and treat overt and covert injuries earlier, and help reduce the rates of morbidity and mortality following RTCs.
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The 2017 International Joint Working Group recommendations of the Indian College of Cardiology, the Academic College of Emergency Experts, and INDUSEM on the management of low-risk chest pain in emergency departments across India p. 74
Vivek Chauhan, Pavitra Kotini Shah, Sagar Galwankar, Maura Sammon, Prabhakar Hosad, Beeresha , Timothy B Erickson, David F Gaieski, Joydeep Grover, Anupama V Hegde, Terry Vanden Hoek, Bhavesh Jarwani, Himanshu Kataria, Kenneth A LaBresh, Cholenahally Nanjappa Manjunath, AC Nagamani, Anjali Patel, Ketan Patel, D Ramesh, R Rangaraj, Narendra Shamanur, L Sridhar, KH Srinivasa, Shweta Tyagi
There have been no published recommendations for the management of low-risk chest pain in emergency departments (EDs) across India. This is despite the fact that chest pain continues to be one of the most common presenting complaints in EDs. Risk stratification of patients utilizing an accelerated diagnostic protocol has been shown to decrease hospitalizations by approximately 40% with a low 30-day risk of major adverse cardiac events. The experts group of academic leaders from the Indian College of Cardiology and Academic College of Emergency Experts in India partnered with academic experts in emergency medicine and cardiology from leading institutions in the UK and USA collaborated to study the scientific evidence and make recommendations to guide emergency physicians working in EDs across India.
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Motor vehicle accidents: The physical versus the psychological trauma p. 82
Mahmoud M Salam
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Ultrasound application in peripheral nerve localization: Obstacles and learning curve p. 83
Ioannis Dimitrios Siasios, Vassilios G Dimopoulos, Kostas N Fountas, Eftychia Kapsalaki
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Oral injury due to blank shot of a rifle p. 84
Kei Jitsuiki, Kouhei Ishikawa, Keiji Koike, Youichi Yanagawa
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Diagnosis of emphysematous cholecystitis with bedside ultrasound in a septic elderly female with no source of infection p. 85
Andrew Aherne, Randi Ozaki, Nicholas Tobey, Michael Secko
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Successful conservative repair of the traumatic left main pulmonary artery pseudoaneurysm p. 87
Mitsuaki Sakai, Yuichiro Ozawa, Mototsugu Kohno
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