Gender-based differential management of acute low back pain in the emergency department: A survey based on a clinical vignette.

BACKGROUND: Women may receive suboptimal pain management compared with men, and this disparity might be related to gender stereotypes. OBJECTIVES: To assess the influence of patient gender on the management of acute low back pain. DESIGN: We assessed pain management by 231 physicians using an online clinical vignette describing a consultation for acute low back pain in a female or male patient. The vignette was followed by a questionnaire that assessed physicians' management decisions and their gender stereotypes. METHODS: We created an online clinical vignette presenting a patient with acute low back pain and assessed the influence of a patient's gender on pain management. We investigated gender-related stereotyping regarding pain care by emergency physicians using the Gender Role Expectation of Pain questionnaire. RESULTS: Both male and female physicians tended to consider that a typical man was more sensitive to pain, had less pain endurance, and was more willing to report pain than a typical woman. These stereotypes did not translate into significant differences in pain management between men and women. However, women tended to be referred less often for imaging examinations than men and were also prescribed lower doses of ibuprofen and opioids. The physician's gender had a modest influence on management decisions, female physicians being more likely to prescribe ancillary examinations. CONCLUSION: We observed gender stereotypes among physicians. Our findings support the hypothesis that social characteristics attributed to men and women influence pain management. Prospective clinical studies are needed to provide a deeper understanding of gender stereotypes and their impact on clinical management.

Reliability and Accuracy of the Pediatric Swiss Emergency Triage Scale-the SETSped Study.

BACKGROUND AND IMPORTANCE: The Swiss Emergency Triage Scale (SETS) is an adult triage tool used in several emergency departments. It has been recently adapted to the pediatric population but, before advocating for its use, performance assessment of this tool is needed. OBJECTIVES: The purpose of this study was to assess the reliability and the accuracy of the pediatric version of the SETS for the triage of pediatric patients. DESIGN, SETTING, AND PARTICIPANTS: This study was a cross-sectional study among a sample of emergency triage nurses (ETNs) exposed to 17 clinical scenarios using a computerized simulator. OUTCOME MEASURES AND ANALYSIS: The primary outcome was the reliability of the triage level performed by the ETNs. It was assessed using an intraclass correlation coefficient.Secondary outcomes included accuracy of triage compared with expert-based triage levels and factors associated with accurate triage. MAIN RESULTS: Eighteen ETNs participated in the study and completed the evaluation of all scenarios, for a total of 306 triage decisions. The intraclass correlation coefficient was 0.80 (95% confidence interval, 0.69-0.91), with an agreement by scenario ranging from 61.1% to 100%. The overall accuracy was 85.8%, and nurses were more likely to undertriage (16.0%) than to overtriage (4.3%). No factor for accurate triage was identified. CONCLUSIONS: This simulator-based study showed that the SETS is reliable and accurate among a pediatric population. Future research is needed to confirm these results, compare this triage scale head-to-head with other recognized international tools, and study the SETSped in real-life setting.

Opiophobia in Emergency Department Healthcare Providers: A Survey in Western Switzerland.

Opiophobia contributes to oligoanalgesia in the emergency department (ED), but its definition varies, and its association to healthcare providers' personality traits has been scantly explored. Our purpose was to study the different definitions of opiophobia and their association with two personality traits of doctors and nurses working in EDs, namely the stress from uncertainty and risk-taking. We used three online questionnaires: the 'Attitude Towards Morphine Use' Score (ATMS), the Stress From Uncertainty Scale (SUS) and the Risk-Taking Scale (RTS). Doctors and nurses from nine hospital EDs in francophone Switzerland were invited to participate. The ATMS score was analyzed according to demographic characteristics, SUS, and RTS. The response rate was 56%, with 57% of respondents being nurses and 63% women. Doctors, less experienced and non-indigenous participants had a significantly higher ATMS (all p ≤ 0.01). The main contributors of the ATMS were the fear of side effects and of addiction. In multivariate analysis, being a doctor, less experience and non-indigenous status were predictive of the ATMS; each point of the SUS increased the ATMS by 0.24 point. The fear of side effects and of addiction were the major contributors of opiophobia among ED healthcare providers; opiophobia was also associated with their personality traits.

Effects of environmental distractors on nurse emergency triage accuracy: a pilot study protocol.

BACKGROUND: The clinical decisions of emergency department triage nurses need to be of the highest accuracy. However, studies have found repeatedly that these nurses over- or underestimate the severity of patient health conditions. This has major consequences for patient safety and patient flow management. Workplace distractors such as noise and task interruptions have been pointed to as factors that might explain this inaccuracy. The use of a serious game reproducing the work environment during triage affords the opportunity to explore the impact of these distractors on nurse emergency triage accuracy, in a safe setting. METHODS/DESIGN: A pilot study with a factorial design will be carried out to test the acceptability and feasibility of a serious game developed specifically to simulate the triage process in emergency departments and to explore the primary effects of distractors on nurse emergency triage accuracy. Eighty emergency nurses will be randomized into four groups: three groups exposed to different distractors (A, noise; B, task interruptions; C, noise and task interruptions) and one control group. All nurses will have to complete 20 clinical vignettes within 2 h. For each vignette, a gold standard assessment will be determined by experts. Pre-tests will be conducted with clinicians and certified emergency nurses to evaluate the appeal of the serious game. DISCUSSION: Study results will inform the design of large-scale investigations and will help identify teaching, training, and research areas that require further development.

Learning process of ultrasound-guided Ilio-fascial compartment block on a simulator: a feasibility study.

BACKGROUND: Ultrasound-guided fascia iliaca compartment block (US-FICB) is not part of the learning curriculum of the emergency physicians (EP) and is usually performed by anesthesiologists. However, several studies promote EP to use this procedure. The goal of this study was to assess the feasibility of a training concept for non-anesthesiologists for the US-FICB on a simulator based on a validating learning path. METHOD: This was a feasibility study. Emergency physicians and medical students received a 1-day training with a learning phase (theoretical and practical skills), followed by an assessment phase. The primary outcome at the assessment phase was the number of attempts before successfully completing the procedure. The secondary outcomes were the success rate at first attempt, the length of procedure (LOP), and the stability of the probe, corresponding to the visualization of the needle tip (and its tracking) throughout the procedure, evaluated on a Likert scale. RESULTS: A total of 25 participants were included. The median number of attempts was 2.0 for emergency physicians and 2.5 for medical students, and this difference was not significant (p = 0.140). Seven participants (28%) succeeded at the first attempt of the procedure; the difference between emergency physicians and medical students was not significant (37% versus 21%; p = 0.409). The average LOP was 19.7 min with a significant difference between emergency physicians and medical students (p = 0.001). There was no significant difference regarding the stability of the probe between the two groups. CONCLUSION: Our 1-day training for non-anesthesiologists with or without previous skills in ultrasound seems to be feasible for learning the US-FICB procedure on a simulator.

Effect of noninvasive ventilation on intubation risk in prehospital patients with acute cardiogenic pulmonary edema: a retrospective study.

OBJECTIVE: The aim of this study was to assess the effect of prehospital noninvasive ventilation for acute cardiogenic pulmonary edema on endotracheal intubation rate and on ICU admission rate. METHODS: We carried out a retrospective study on patients' prehospital files between 2007 and 2010 (control period), and between 2013 and 2016 (intervention period). Adult patients were included if a diagnosis of acute cardiogenic pulmonary edema was made by the prehospital physician. Exclusion criteria were a Glasgow coma scale score less than 9 or any other respiratory diagnosis. We analyzed the association between noninvasive ventilation implementation and endotracheal intubation or ICU admission with univariable and multivariable regression models. The primary outcome was prehospital endotracheal intubation rate. Secondary outcomes were admission to an ICU, prehospital intervention length, and 30-day mortality. RESULTS: A total of 1491 patients were included. Noninvasive ventilation availability was associated with a significant decrease in endotracheal intubation rate (2.6% in the control versus 0.7% in the intervention period), with an adjusted odds ratio (OR) of 0.3 [95% confidence interval (CI), 0.1-0.7]. There was a decrease in ICU admissions (18.6% in the control versus 13.0% in the intervention period) with an adjusted OR of 0.6 (95% CI, 0.5-0.9). There was no significant change in 30-day mortality (11.2% in the control versus 11.0% in the intervention period, P = 0.901). CONCLUSION: In our physician-staffed prehospital system, use of noninvasive ventilation for acute cardiogenic pulmonary edema decreased both endotracheal intubation and ICU admission rates.

Pain management policies and reported practices in Swiss emergency departments: a national survey.

BACKGROUND: Acute pain is the most common complaint of patients presenting to emergency departments (EDs). Effective pain management is a core ED mission, but numerous studies have pointed to insufficient pain treatment or oligoanalgesia. According to a 1997 national survey in Swiss EDs, a validated pain scale was used in only 14%, an analgesia protocol in <5%, and 1.1% had a nurse-initiated pain protocol. Since then, numerous societal and health care factors have led to improved ED pain care. The aim of this study was to assess the state of ED pain management in Switzerland. METHODS: Hospital-based Swiss EDs open 24 hours a day and 7 days a week in 2013 were surveyed using a questionnaire. Data from 2013 were collected. Questions queried the pain management process by nurses and physicians in each ED. RESULTS: The response rate was 115 of 137 eligible EDs (84%). Pain intensity was assessed with a validated instrument in 71% of waiting rooms and in 99% of treatment areas. A nurse-initiated analgesia protocol was available in 56% of waiting rooms and in 70% of treatment areas. Physician pain protocols were available in 75%, and analgesia-sedation protocols in 51%. CONCLUSION: The pain management processes in Swiss EDs have improved over the last 17 years, and are now equivalent to other western countries. Our study did not, however, assess if these improvements resulted in better analgesia at the bedside, an important topic that will require further study.

Overuse of plain abdominal radiography in emergency departments: a retrospective cohort study.

BACKGROUND: Plain abdominal radiography (PAR) is routinely performed in emergency departments (EDs). This study aimed to (1) identify the indications for PAR in EDs and compare them against international guidelines, (2) uncover predictors of non-compliance with guidelines, and (3) describe the use of additional radiological examinations in EDs. METHODS: Retrospective cohort study in the EDs of two hospitals in Geneva, Switzerland, including all adult patients who underwent PAR in the EDs. Indications were considered "appropriate" if complying with guidelines. Predictors of non-compliance were identified by univariate and multivariate analyses. RESULTS: Over 1 year, PAR was performed in 1997 patients (2.2% of all admissions). Their mean age was 59.7 years, with 53.1% of female patients. The most common indications were constipation (30.8%), suspected ileus (28.9%), and abdominal pain (15.3%). According to the French and American guidelines, only 11.8% of the PARs were indicated, while 46.2% of them complied with the Australian and British guidelines. On multivariate analysis, admission to the private hospital ED (odds ratio [OR] 3.88, 95% CI 1.78-8.45), female gender (OR 1.95, 95% CI 1.46-2.59), and an age >  65 years (OR 2.41, 95%CI 1.74-3.32) were associated with a higher risk of inappropriate PAR. Additional radiological examinations were performed in 73.7% of patients. CONCLUSIONS: Most indications for PAR did not comply with guidelines and elderly women appeared particularly at risk of being exposed to inappropriate examination. PAR did not prevent the need for additional examinations. Local guidelines should be developed, and initiatives should be implemented to reduce unnecessary PARs. TRIAL REGISTRATION: ClinicalTrials.gov , identifier NCT02980081 .

Concomitant leukocytosis and lymphopenia predict significant pathology at CT of acute abdomen: a case-control study.

BACKGROUND: Acute abdominal pain accounts for about 10% of emergency department visits and has progressively become the primary indication for CT scanning in most centers. The goal of our study is to identify biological or clinical variables able to predict or rule out significant pathology (conditions requiring urgent medical or surgical treatment) on abdominal CT in patients presenting to an emergency department with acute abdominal pain. METHODS: This was a retrospective cohort study performed in the emergency department of an academic center with an annual census of 60'000 patients. One hundred and-nine consecutive patients presenting with an acute non-traumatic abdominal pain, not suspected of appendicitis or renal colic, during the first semester of 2013, who underwent an abdominal CT were included. Two medical students, completing their last year of medical school, extracted the data from patients' electronic health record. Ambiguities in the formulations of clinical symptoms and signs in the patients' records were solved by consulting a board certified emergency physician. Nine clinical and biological variables were extracted: shock index, peritonism, abnormal bowel sounds, fever (> 38 °C), intensity and duration of the pain, leukocytosis (white blood cell count >11G/L), relative lymphopenia (< 15% of total leukocytes), and C-reactive Protein (CRP). These variables were compared to the CT results (reference standard) to determine their ability to predict a significant pathology. RESULTS: Significant pathology was detected on CT in 71 (65%) patients. Only leukocytosis (odds ratio 3.3, p = 0.008) and relative lymphopenia (odds ratio 3.8, p = 0.002) were associated with significant pathology on CT. The joint presence of these two anomalies was strongly associated with significant pathology on CT (odds ratio 8.2, p = 0.033). Leukocytosis with relative lymphopenia had a specificity of 89% (33/37) and sensitivity of 48% (33/69) for the detection of significant pathology on CT. CONCLUSION: The high specificity of the association between leukocytosis and relative lymphopenia amongst the study population suggests that these parameters would be sufficient to justify an emergency CT. However, none of the parameters could be used to rule out a significant pathology.

Reliability and performance of the Swiss Emergency Triage Scale used by paramedics.

OBJECTIVES: No general emergency department triage scale has been evaluated for prehospital triage. The objective of this study was to evaluate the reliability and the performance of the Swiss Emergency Triage Scale (SETS) used by paramedics to determine the emergency level and orientation of simulated patients. PATIENTS AND METHODS: In a prospective cross-sectional study, 23 paramedics evaluated 28 clinical scenarios with the SETS using interactive computerized triage software simulating real-life triage. The primary outcome was inter-rater reliability regarding the triage level among participants measured by intraclass correlation coefficient (ICC). Secondary outcomes were the accuracy of triage level and the reliability and accuracy of orientation of patients of at least 75 years to a dedicated geriatric emergency centre. RESULTS: Twenty-three paramedics completed the evaluation of the 28 scenarios (644 triage decisions). Overall, ICC for triage level was 0.84 (95% confidence interval: 0.77-0.99). Correct emergency level was assigned in 89% of cases, overtriage rate was 4.8%, and undertriage was 6.2%. ICC regarding orientation in the subgroup of simulated patients of at least 75 years was 0.76 (95% confidence interval: 0.61-0.89), with 93% correct orientation. CONCLUSION: Reliability of paramedics rating simulated emergency situations using the SETS was excellent, and the accuracy of their rating was very high. This suggests that in Switzerland, the SETS could be safely used in the prehospital setting by paramedics to determine the level of emergency and guide patients to the most appropriate hospital.

Suspicion of appendicitis in pregnant women: emergency evaluation by sonography and low-dose CT with oral contrast.

OBJECTIVES: To evaluate non-intravenously enhanced low-dose computed tomography with oral contrast (LDCT) for the assessment of pregnant women with right lower quadrant pain, when magnetic resonance imaging (MRI) is not immediately available. METHODS: One hundred and thirty-eight consecutive pregnant women with acute abdominal pain were admitted in our emergency centre. Thirty-seven (27%) of them, with clinical suspicion of acute appendicitis, underwent abdominal ultrasonography (US). No further examination was recommended when US was positive for appendicitis, negative with low clinical suspicion or showed an alternative diagnosis which explained the clinical presentation. All other patients underwent LDCT (<2.5 mSv). Standard intravenously enhanced CT or MRI was performed when LDCT was indeterminate. RESULTS: Eight (22%) of 37 US exams were reported normal, 25 (67%) indeterminate, 1 (3%) positive for appendicitis, 3 (8%) positive for an alternative diagnosis. LDCT was obtained in 29 (78%) patients. It was reported positive for appendicitis in 9 (31%), for alternative diagnosis in 2 (7%), normal in 13 (45%) and indeterminate in 5 (17%). Further imaging (standard CT or MRI) showed appendicitis in 2 of these 5 patients, was truly negative in 1, indeterminate in 1 and falsely positive in 1. An appendicitis was confirmed at surgery in 12 (32%) of the 37 patients. The sensitivity and the specificity of the algorithm for appendicitis were 100% (12/12) and 92% (23/25), respectively. CONCLUSIONS: The proposed algorithm is very sensitive and specific for detection of acute appendicitis in pregnant women; it reduces the need of standard CTs when MRI is not available as second-line imaging. KEY POINTS: • In pregnant women, US is limited by an important number of indeterminate results • Low-dose CT can be used after an inconclusive US for the diagnosis of appendicitis in pregnant women • An algorithm integrating US and low-dose CT is highly sensitive and specific for appendicitis in pregnant women.

Femoral head subchondral impaction on CT: what does it mean in patients with acetabular fracture?

OBJECTIVE: To evaluate the prevalence of isolated femoral head impactions associated with acetabular fractures and to assess whether impactions may be predictive of the development of delayed major complications requiring total hip arthroplasty. MATERIALS AND METHODS: A total of 128 consecutive adult patients with acetabular fracture and no femoral head fracture were included. Admission CTs were re-interpreted for the presence of hip dislocation and femoral head impactions. Radiological and clinical reports were reviewed in patients in whom conservative management of the femoral head was attempted, to determine if total hip arthroplasty was eventually required over a 48-month follow-up period. Univariate and multivariate analyses were performed to assess whether impaction is an independent predictor of failure of conservative management. RESULTS: Impaction was found in 40% of all patients (51 out of 128), in 58% of those with dislocation (19 out of 33), and in 34% of those without dislocation (32 out of 95; p < 0.05). One hundred and five patients underwent conservative management of the femoral head; 12.5% of them (13 out of 105) eventually required total hip arthroplasty. An impaction was present in 77% of the latter (10 out of 13) and in 33% of patients with successful conservative management (30 out of 92; p = 0.0042). At multivariate analysis, impaction and dislocation were significantly and independently associated with a higher risk for delayed total hip arthroplasty (odds ratio of 4.8 and 4.0 respectively). CONCLUSION: Femoral head impactions are frequently seen on CT of patients with acetabular fractures; they are independent predictive factors for the need for delayed total hip arthroplasty. They should be systematically mentioned in the CT report.

Pitfalls in the triage and evaluation of patients with suspected acute ethanol intoxication in an emergency department.

Acute ethanol intoxication (AEI) is frequent in emergency departments (EDs). These patients are at risk of mistriage, and to leave the ED without being seen. This study's objective was to describe the process and performance of triage and trajectory for patients with suspected AEI. Retrospective, observational study on adults admitted with a suspected AEI within 1 year at the ED of an urban teaching hospital. Data on the triage process, patients' characteristics, and their ED stay were extracted from electronic patient records. Predictors for leaving without being seen were identified using logistic regression analyzes. Of 60,488 ED patients within 1 year, 776 (1.3%) were triaged with suspected AEI. This population was young (mean age 38), primarily male (64%), and professionally inactive (56%). A large proportion were admitted on weekends (45%), at night (46%), and arrived by ambulance (85%). The recommendations of our triage scale were entirely respected in a minority of cases. In 22.7% of triage situations, a triage reason other than "alcohol abuse/intoxication" (such as suicidal ideation, head trauma or other substance abuse) should have been selected. Nearly, half of the patients (49%) left without being seen (LWBS). This risk was especially high amongst men (OR 1.56, 95% CI 1.12-2.19), younger patients (< 26 years of age; OR 1.97, 95% CI 1.16-3.35), night-time admissions (OR 1.97, 95% CI 1.16-3.35), and patients assigned a lower emergency level (OR 2.32, 95% CI 1.58-3.42). Despite a standardized triage protocol, patients admitted with suspected AEI are at risk of poor assessment, and of not receiving optimal care.

Impact of a patient-flow physician coordinator on waiting times and length of stay in an emergency department: A before-after cohort study.

OBJECTIVE: Overcrowding is common in most emergency departments (ED). Despite the use of validated triage systems, some patients are at risk of delayed medical evaluation. The objective of this study was to assess the impact of a patient-flow physician coordinator (PFPC) on the proportion of patients offered medical evaluation within time limits imposed by the Swiss Emergency Triage Scale (SETS) and on patient flow within the emergency department of a teaching urban hospital. METHODS: In this before-after retrospective cohort study, we compared the proportions of patients who received their first medical contact within SETS-imposed time limits, mean waiting times before first medical consultation, mean length of stay, and number of patients who left without being seen by a physician, between two periods before and after introducing a PFPC. The PFPC was a senior physician charged with quickly assessing in the waiting area patients who could not immediately be seen and managing patient flow within the department. RESULTS: Before introducing the PFPC position, 33,605 patients were admitted, versus 36,288 after. Introducing a PFPC enabled the department to increase the proportion of patients seen within the SETS-imposed time limits from 60.1% to 69.0% (p <0.0001). Waiting times until first medical consultation were reduced on average by 27.7 minutes (95% confidence interval [95% CI]: 25.9-29.5, p < .0001). No significant differences were observed as to length of stay or number of patients who left without being seen between the two study periods. CONCLUSIONS: Introducing a physician dedicated to managing patient flow enabled waiting times until first medical consultation to be reduced, yet had no significant benefit for patient flow within the ED, nor did it reduce the number of patients who left without being seen.

Diagnosis of Pulmonary Embolism During Pregnancy: A Multicenter Prospective Management Outcome Study.

Background: Data on the optimal diagnostic management of pregnant women with suspected pulmonary embolism (PE) are limited, and guidelines provide inconsistent recommendations on use of diagnostic tests. Objective: To prospectively validate a diagnostic strategy in pregnant women with suspected PE. Design: Multicenter, multinational, prospective diagnostic management outcome study involving pretest clinical probability assessment, high-sensitivity D-dimer testing, bilateral lower limb compression ultrasonography (CUS), and computed tomography pulmonary angiography (CTPA). (ClinicalTrials.gov: NCT00740454). Setting: 11 centers in France and Switzerland between August 2008 and July 2016. Patients: Pregnant women with clinically suspected PE in emergency departments. Intervention: Pulmonary embolism was excluded in patients with a low or intermediate pretest clinical probability and a negative D-dimer result. All others underwent lower limb CUS and, if results were negative, CTPA. A ventilation-perfusion (V/Q) scan was done if CTPA results were inconclusive. Pulmonary embolism was excluded if results of the diagnostic work-up were negative, and untreated pregnant women had clinical follow-up at 3 months. Measurements: The primary outcome was the rate of adjudicated venous thromboembolic events during the 3-month follow-up. Results: 441 women were assessed for eligibility, and 395 were included in the study. Among these, PE was diagnosed in 28 (7.1%) (proximal deep venous thrombosis found on ultrasonography [n = 7], positive CTPA result [n = 19], and high-probability V/Q scan [n = 2]) and excluded in 367 (clinical probability and negative D-dimer result [n = 46], negative CTPA result [n = 290], normal or low-probability V/Q scan [n = 17], and other reason [n = 14]). Twenty-two women received extended anticoagulation during follow-up, mainly for previous venous thromboembolic disease. The rate of symptomatic venous thromboembolic events was 0.0% (95% CI, 0.0% to 1.0%) among untreated women after exclusion of PE on the basis of negative results on the diagnostic work-up. Limitation: There were several protocol deviations, reflecting the difficulty of performing studies in pregnant women with suspected PE. Conclusion: A diagnostic strategy based on assessment of clinical probability, D-dimer measurement, CUS, and CTPA can safely rule out PE in pregnant women. Primary Funding Source: Swiss National Foundation for Scientific Research, Groupe d'Etude de la Thrombose de Bretagne Occidentale, and International Society on Thrombosis and Haemostasis.

False negative computed tomography scan due to pelvic binder in a patient with pelvic disruption: a case report and review of the literature.

BACKGROUND: Pelvic binders are routinely used in the prehospital setting for stabilization of pelvic injuries in patients with trauma. Emergency department trauma management relies on primary and secondary survey assessment and imaging, most often computed tomography, in hemodynamically stable patients. Maintaining the pelvic binder in situ allows stabilization of pelvic injuries during imaging but may hinder the visualization of some pelvic lesions. We report a very rare case of severe pelvic disruption with an absolutely normal computed tomography scan due to the effective placement of a pelvic binder. CASE PRESENTATION: We report the case of a 49-year-old Caucasian man referred to our Emergency Department after a high velocity motorcycle accident. Primary assessment revealed a left wrist deformation and pelvic pain, and a pelvic binder was applied by paramedics. A total body computed tomography scan was performed after arrival in our Emergency Department and did not reveal any pelvic injury. The pelvic binder was removed and because of persisting symphyseal pain, pelvic plain radiography was performed revealing a pelvic disruption with an opening of the pubic symphysis and of the left sacroiliac joint ("open book" type pelvic injury) requiring surgical stabilization. CONCLUSIONS: Pelvic binders may mask pelvic disruption in patients with trauma. Pelvic plain radiography should be repeated after pelvic binder removal in patients with high velocity trauma and pelvic symptoms or neurological alterations limiting the reliability of clinical examination.

Detecting illegal intra-corporeal cocaine containers: Which factors influence their density?

PURPOSE: To determine parameters related to hyperdensity (>40 HU) of intra-corporeal cocaine packets on low-dose CT (LDCT); hyperdensity increases detectability on abdominal radiographs. METHODS: LDCT showing drug packets (n = 46) were analyzed for mean radiological density and packets volume. Following expulsion, packets weight and cocaine concentration were measured. Hypercompaction was defined as >0.9 g/cm3. RESULTS: Packets were hyperdense in 33 cases (72%). Mean compaction was 1.0 g/cm3, mean density 118.5 HU and mean cocaine concentration 44.2%. On multivariate analysis, only high compaction remained significantly related to hyperdensity (p = 0.001). CONCLUSION: Compaction >0.9 g/cm3 is the only parameter significantly associated with hyperdense packets.

[Emergency medicine : update 2017]. / Médecine d'urgence.

Emergency medicine is part of the current stream of efficient and qualitative medicine : 1) the modified Valsava maneuver results in the resolution of almost 50% of supra-ventricular tachycardia without any drug; 2) lung echography performed by emergency physicians is a very sensitive and specific diagnostic tool for most thoracic emergencies; 3) cardiopulmonary resuscitation initiated by lay-rescuers improves short and long-term outcome; 4) no anticoagulant treatment is warranted in distal deep vein thrombosis and 5) systematic unenhanced abdominal CT might improve evaluation of elderly patients with acute abdominal pain.

Dans le courant actuel d'une médecine de qualité visant l'efficience, la médecine d'urgence n'est pas en reste : 1) la manœuvre de Valsalva modifiée permet une cardioversion dans près de 50 % des tachycardies supraventriculaires paroxystiques sans aucun autre traitement ; 2) l'échographie pulmonaire pratiquée par l'urgentiste est rapide avec de très bonnes sensibilité et spécificité dans plusieurs pathologies thoraciques ; 3) une réanimation initiée par des témoins permet une meilleure survie et améliore le pronostic à long terme ; 4) un traitement anticoagulant n'est pas nécessaire lors de thrombose veineuse profonde sous-poplitée et 5) un scanner abdominal non injecté systématique pourrait améliorer la prise en charge de patients âgés souffrant de douleurs abdominales aiguës.

Reliability of the revised Swiss Emergency Triage Scale: a computer simulation study.

BACKGROUND: The Swiss Emergency Triage Scale (SETS) is a four-level emergency scale that previously showed moderate reliability and high rates of undertriage due to a lack of standardization. It was revised to better standardize the measurement and interpretation of vital signs during the triage process. OBJECTIVE: The aim of this study was to explore the inter-rater and test-retest reliability, and the rate of correct triage of the revised SETS. PATIENTS AND METHODS: Thirty clinical scenarios were evaluated twice at a 3-month interval using an interactive computerized triage simulator by 58 triage nurses at an urban teaching emergency department admitting 60 000 patients a year. Inter-rater and test-retest reliabilities were determined using κ statistics. Triage decisions were compared with a gold standard attributed by an expert panel. Rates of correct triage, undertriage, and overtriage were computed. A logistic regression model was used to identify the predictors of correct triage. RESULTS: A total of 3387 triage situations were analyzed. Inter-rater reliability showed substantial agreement [mean κ: 0.68; 95% confidence interval (CI): 0.60-0.78] and test-retest almost perfect agreement (mean κ: 0.86; 95% CI: 0.84-0.88). The rate of correct triage was 84.1%, and rates of undertriage and overtriage were 7.2 and 8.7%, respectively. Vital sign measurement was an independent predictor of correct triage (odds ratios for correct triage: 1.29 for each additional vital sign measured, 95% CI: 1.20-1.39). CONCLUSION: The revised SETS incorporating standardized vital sign measurement and interpretation during the triage process resulted in high reliability and low rates of mistriage.