bluuebunny/crossref_metadata_2025_split huggingface dataset:
How do we manage emergency department patients diagnosed with transient ischemic attack?
Authors: Perry Jeffrey J. , Kerr Jonathan , Symington Cheryl , Sutherland Jane 
Published: July 2016

ABSTRACTIntroduction:Multiple studies have demonstrated low rates of antithrombotic use, low neuroimaging rates, and high subsequent risk of stroke at 90 days following an emergency department (ED) diagnosis of transient ischemic attack (TIA). This study assessed the use of antithrombotic medications, neuroimaging, and subsequent 90-day stroke rate for patients in a more recent cohort of ED patients discharged home with TIA.Methods:We conducted a 1-year historical cohort study of all patients discharged with a TIA at a tertiary care ED (census 60,000 visits/year), which was one of the four sites participating in one of the aforementioned studies. Data were extracted from paper and electronic records onto standardized data extraction forms. Clinical findings, medications, and tests were recorded.Results:A total of 211 patients were enrolled in the study. The patients had the following characteristics: the mean age was 71.2 years (SD 13.8 years), 56.9% were female, 53.1% had a history of hypertension, 26.5% had a history of ischemic heart disease, and 17.1% had a previous stroke. The most frequent neurologic deficit was unilateral weakness (53.6%), and most deficits lasted for more than 60 minutes (71.6%). Antithrombotic medications were used for 96.7% of patients at ED discharge. Neuroimaging was conducted in 94.3% of patients while in the ED. Our cohort had a 90-day stroke rate of 1.9%.Conclusions:This study established that most TIA patients receive neuroimaging in the ED and are started on or maintained on antithrombotic agents. Clinicians are encouraged to ensure that electrocardiography is done routinely and to involve Neurology in follow-up care.
Development and evaluation of a simulation-based resuscitation scenario assessment tool for emergency medicine residents
Authors: Hall Andrew Koch , Pickett William , Dagnone Jeffrey Damon 
Published: July 2016

ABSTRACTObjective:We sought to develop and validate a three-station simulation-based Objective Structured Clinical Examination (OSCE) tool to assess emergency medicine resident competency in resuscitation scenarios.Methods:An expert panel of emergency physicians developed three scenarios for use with high-fidelity mannequins. For each scenario, a corresponding assessment tool was developed with an essential actions (EA) checklist and a global assessment score (GAS). The scenarios were (1) unstable ventricular tachycardia, (2) respiratory failure, and (3) ST elevation myocardial infarction. Emergency medicine residents were videotaped completing the OSCE, and three clinician experts independently evaluated the videotapes using the assessment tool.Results:Twenty-one residents completed the OSCE (nine residents in the College of Family Physicians of Canada– Emergency Medicine [CCFP-EM] program, six junior residents in the Fellow of the Royal College of Physicians of Canada–Emergency Medicine [FRCP-EM] program, six senior residents in the FRCP-EM). Interrater reliability for the EA scores was good but varied between scenarios (Spearman rho 5 [1] 0.68, [2] 0.81, [3] 0.41). Interrater reliability for the GAS was also good, with less variability (rho 5 [1] 0.64, [2] 0.56, [3] 0.62). When comparing GAS scores, senior FRCP residents outperformed CCFP-EM residents in all scenarios and junior residents in two of three scenarios (p , 0.001 to 0.01). Based on EA scores, senior FRCP residents outperformed CCFP-EM residents, but junior residents outperformed senior FRCP residents in scenario 1 and CCFPEM residents in all scenarios (p 5 0.006 to 0.04).Conclusions:This study outlines the creation of a high-fidelity simulation assessment tool for trainees in emergency medicine. A single-point GAS demonstrated stronger relational validity and more consistent reliability in comparison with an EA checklist. This preliminary work will provide a foundation for ongoing future development of simulationbased assessment tools.
Prevalence of advance directives among elderly patients attending an urban Canadian emergency department
Authors: Gill Ginjeet Gina K. , Fukushima Erin , Abu-Laban Riyad B. , Sweet David D. 
Published: July 2016

ABSTRACT

Introduction:
To date, there has been minimal research on advance directives (ADs) among elderly patients in Canadian emergency departments (EDs). The purpose of this study was to determine the prevalence of ADs among elderly patients visiting an urban ED. We also explored whether there were factors associated with the existence of an AD and possible barriers to having one.

Methods:
This prospective study ran between October and December 2008. Individuals over the age of 70 who presented to the ED between 7 am and 7 pm, 7 days a week, were considered for enrolment. Exclusion criteria included previous enrolment and inability to provide informed consent. A team of nurses who specialize in assessment of geriatric patients administered a study instrument consisting of 28 questions. Topics included demographics, level of education, medical information, and knowledge of and attitudes toward ADs.

Results:
The results from 280 participants, with an average age of 80.6 years, were analyzed. Thirty-five percent of participants reported that they knew what an AD was; 19.3% of participants said they had an AD, but only 5.6% brought it to the hospital; 50.7% were interested in further information regarding ADs; and 67.9% of participants felt that it was important for physicians to know their wishes about life support.

Conclusion:
Knowledge of ADs among elderly patients visiting an urban Canadian ED is limited and is likely a significant factor precluding wider prevalence of ADs. There is interest in further discussion about ADs in this population group.
Crisis Resources for Emergency Workers (CREW II): results of a pilot study and simulation-based crisis resource management course for emergency medicine residents
Authors: Hicks Christopher M. , Kiss Alex , Bandiera Glen W. , Denny Christopher J. 
Published: July 2016

ABSTRACTObjectives:Emergency department resuscitation requires the coordinated efforts of an interdisciplinary team. Aviationbased crisis resource management (CRM) training can improve safety and performance during complex events. We describe the development, piloting, and multilevel evaluation of “Crisis Resources for Emergency Workers” (CREW), a simulation-based CRM curriculum for emergency medicine (EM) residents.Methods:Curriculum development was informed by an a priori needs assessment survey. We constructed a 1-day course using simulated resuscitation scenarios paired with focused debriefing sessions. Attitudinal shifts regarding team behaviours were assessed using the Human Factors Attitude Survey (HFAS). A subset of 10 residents participated in standardized pre- and postcourse simulated resuscitation scenarios to quantify the effect of CREW training on our primary outcome of CRM performance. Pre/post scenarios were videotaped and scored by two blinded reviewers using a validated behavioural rating scale, the Ottawa CRM Global Rating Scale (GRS).Results:Postcourse survey responses were highly favourable, with the majority of participants reporting that CREW training can reduce errors and improve patient safety. There was a nonsignificant trend toward improved teambased attitudes as assessed by the HFAS (p= 0.210). Postcourse performance demonstrated a similar trend toward improved scores in all categories on the Ottawa GRS (p= 0.16).Conclusions:EM residents find simulation-based CRM instruction to be useful, effective, and highly relevant to their practice. Trends toward improved performance and attitudes may have arisen because our study was underpowered to detect a difference. Future efforts should focus on interdisciplinary training and recruiting a larger sample size.
Evaluating a clinical practice intervention to promote delivery of salbutamol by metered-dose inhalers with holding chambers in a pediatric emergency department
Authors: Hill-Taylor Barbara J. , Hurley Katrina F. , Sketris Ingrid , O'Connell Colleen , Sinclair Douglas , Wing Andrew 
Published: July 2016

ABSTRACTObjective:The primary objective of this study was to quantify the impact of a clinical practice intervention to promote the delivery of salbutamol by metered-dose inhaler (MDI) in a pediatric emergency department (PED). A secondary objective was to retrospectively document the components of the intervention.Methods:PED inventory data for salbutamol inhalation solution (nebules), MDIs, and holding chambers were obtained from the pharmacy department. Patient data were obtained fromthe hospital's decision support unit. Interrupted time series analysis was used to evaluate trends in salbutamol inventory data, patient triage acuity, and hospital admissions from January 1, 2003, to May 31, 2010. Interviews and administrative documents were used to identify components of the intervention, which began in 2006.Results:There was a 1,215% increase in the proportion of salbutamol delivered as MDIs compared to total inhaled salbutamol (MDI plus nebulization solution) following the intervention (95% CI 1,032% to 1,396%,p&lt; 0.001). Increases in salbutamol MDI use were associated with the implementation of an institution-specific asthma care map. A relative decrease of 32% in the hospital admission rate (absolute –7.25%: 95% CI –8.31 to –6.19,p&lt; 0.001) was associated with the change in salbutamol MDI use and the use of the asthma care map.Conclusions:A multifaceted intervention, designed and implemented by local PED clinical leaders, resulted in a pronounced change in salbutamol inhalation practice, with an associated decrease in admission rates. This intervention demonstrated many of the criteria for successful health system change. Findings from this research may be contextualized to inform change elsewhere.
Thyrotoxic periodic paralysis triggered by β2- adrenergic bronchodilators
Authors: Yeh Fu-Chiang , Chiang Wen-Fang , Wang Chih-Chiang , Lin Shih-Hua 
Published: July 2016

ABSTRACT
Hypokalemic periodic paralysis is the most common form of periodic paralysis and is characterized by attacks of muscle paralysis associated with a low serum potassium (K+) level due to an acute intracellular shifting. Thyrotoxic periodic paralysis (TPP), characterized by the triad of muscle paralysis, acute hypokalemia, and hyperthyroidism, is one cause of hypokalemic periodic paralysis. The triggering of an attack of undiagnosed TPP by β2-adrenergic bronchodilators has, to our knowledge, not been reported previously. We describe two young men who presented to the emergency department with the sudden onset of muscle paralysis after administration of inhaled β2-adrenergic bronchodilators for asthma. In both cases, the physical examination revealed an enlarged thyroid gland and symmetrical flaccid paralysis with areflexia of lower extremities. Hypokalemia with low urine K+ excretion and normal blood acid-base status was found on laboratory testing, suggestive of an intracellular shift of K+, and the patients' muscle strength recovered at serum K+ concentrations of 3.0 and 3.3 mmol/L. One patient developed hyperkalemia after a total potassium chloride supplementation of 110mmol. Thyroid function testing was diagnostic of primary hyperthyroidism due to Graves disease in both cases. These cases illustrate that β2-adrenergic bronchodilators should be considered a potential precipitant of TPP.
Emergency medicine procedural skills: what are residents missing?
Authors: Petrosoniak Andrew , Herold Jodi , Woolfrey Karen 
Published: July 2016

ABSTRACTObjective:This study sought to establish the current state of procedural skills training in Canadian Royal College emergency medicine (EM) residencies.Methods:A national Web-based survey was administered to residents and program directors of all 13 Canadian-accredited Royal College EM residency programs. Programdirectors rated the importance and experience required for competence of 45 EM procedural skills. EM residents reported their experience and comfort in performing the same procedural skills.Results:Thirteen program directors and 86 residents responded to the survey (response rate of 100% and 37%, respectively). Thirty-two (70%) procedures were considered important by &gt; 70% of program directors, including all resuscitation and lifesaving airway procedures. Four procedures deemed important by program directors, including cricothyroidotomy, pericardiocentesis, posterior nasal pack for epistaxis, and paraphimosis reduction, had never been performed by the majority of senior residents. Program director opinion was used to categorize each procedure based on performance frequency to achieve competence. Overall, procedural experience correlated positively with comfort levels as indicated by residents.Conclusions:We established an updated needs assessment of procedural skills training for Canadian Royal College EM residency programs. This included program director opinion of important procedures and the performance frequency needed to achieve competence. However, we identified several important procedures that were never performed by most senior residents despite program director opinion regarding the experience needed for competence. Further study is required to better define objective measures for resident competence in procedural skills.
Iatrogenic radial neck fracture on closed reduction of elbow dislocation
Authors: Ellanti Prasad , O'Farrell Dermot 
Published: July 2016

ABSTRACTTraumatic dislocation of the elbow is rare in children and can most often be managed in the emergency department using procedural sedation and closed reduction with good functional outcome. Radiographs must be evaluated for associated avulsions and fractures around the elbow. We present the case of a 14-year-old girl who sustained a fracture of the radial neck subsequent to repeated attempts at closed reduction of a pure posterior elbow dislocation that was missed on postreduction radiographs. Careful use of reduction techniques and avoidance of repeated forceful manipulations is emphasized.
Implementation and evaluation of a novel research education rotation for Royal College of Physicians and Surgeons emergency medicine residents
Authors: Abu-Laban Riyad B. , Jarvis-Selinger Sandra , Newton Lana , Chung Brian 
Published: July 2016

ABSTRACTRoyal College of Physicians and Surgeons (RCPS) emergency medicine (EM) residents must complete a scholarly project; however, significant variation exists in Canadian EM resident research education and facilitation. We developed and implemented a novel mandatory research education rotation for RCPS EM residents intended to increase knowledge, faculty/resident collaborations, and, ultimately, scholarly output. This 4-week rotation took place in the fall of 2011 and consisted of 37 faculty-led didactic, critical appraisal, and workshop seminars. Exposure to faculty research and resulting opportunities and the development of resident research projects were integrated into the rotation. Twelve participating residents completed daily evaluations and took part in an exit focus group analyzed using a constant comparative method. Knowledge acquisition was assessed with a pre/post comprehensive examination instrument evaluated by a pairedt-test. Evaluations indicated generally high satisfaction throughout the rotation. Focus group analysis indicated that residents felt two important but competing goals existed: developing a research project and developing critical appraisal skills. The research knowledge of all participants improved significantly (mean/SD examination change +35.4%/+10.4%, range +20.0% to +53.6%,p&lt; 0.001), and several new resident/faculty research collaborations arose from the rotation. A rotation of this nature is an efficient and effective means to increase research and critical appraisal knowledge and faculty/resident collaborations. As a result of our positive experience, the rotation will continue annually and has been expanded to include pediatric EM fellows. Longitudinal tracking of the participating trainee cohort will remain ongoing to assess the scholarly output impact of the rotation.
Reliability of the Canadian Triage and Acuity Scale: interrater and intrarater agreement from a community and an academic emergency department
Authors: Fernandes Christopher M.B. , McLeod Shelley , Krause Joel , Shah Amit , Jewell Justine , Smith Barbara , Rollins Lorraine 
Published: July 2016

ABSTRACTObjectives:The Canadian Triage and Acuity Scale (CTAS) is a five-level triage tool that is used to help prioritize the order in which emergency department (ED) patients should be seen. The objectives of this study were to determine the interrater and intrarater agreement of the 2008 CTAS guideline revisions by triage nurses and to compare agreement between triage nurses working in a small community ED and an academic ED.Methods:Seventy-eight triage nurses assigned CTAS scores and free-text presenting complaints for 10 paper-based case scenarios. For five scenarios, the CTAS score should have remained unchanged from previous guidelines, whereas the other five scenarios should have been triaged differently based on the 2008 CTAS first-order modifiers. Thirty-three participants repeated the questionnaire 90 days later, and intrarater agreement was measured.Results:There was a higher level of agreement (κ = 0.73; 95% CI 0.68–0.79) for the five case scenarios, which relied on the older 2004 guidelines compared to the scenarios where the 2008 guidelines would have suggested a different triage level (κ = 0.50; 95% CI 0.42–0.59). For the 10 case scenarios analyzed, the free-text presenting complaints matched the Canadian Emergency Department Information System (CEDIS) list 90.1% of the time (κ = 0.80; 95% CI 0.76–0.84).Conclusion:The reliability of CTAS scoring by academic and community ED nurses was relatively good; however, the application of the 2008 CTAS revisions appears less reliable than the 2004 CTAS guidelines. These results may be useful to develop educational materials to strengthen reliability and validity for triage scoring using the 2008 CTAS guideline revisions.
Outcomes of non–acute coronary syndrome patients discharged from the emergency department with troponin positivity
Authors: Brunner Nathan W. , Scheuermeyer Frank X. , Grafstein Eric , Ramanathan Krishnan 
Published: July 2016

ABSTRACTBackground:Cardiac troponin elevation portends a worse prognosis in diverse patient populations. The significance of troponin elevation in patients discharged from emergency departments (EDs)without inpatient admission is notwell known.Methods:Patients without a diagnosis of acute coronary syndrome discharged fromtwo EDs between April 1, 2006, and December 31, 2007, with an abnormal cardiac troponin (troponin positive [TP]) were compared to a troponin-negative (TN) cohort matched for age, sex, and primary discharge diagnosis. Outcomes were obtained by linking with a regional ED and a provincial vital statistics database and adjusted for the following: estimated glomerular filtration rate, do-not-resuscitate status, history of coronary artery disease, Canadian Triage and Acuity Scale, and left ventricular hypertrophy on electrocardiography. The primary outcome was a composite of death or admission to hospital within 1 year.Results:Our total cohort (n 5 344) consisted of 172 TP and 172 TN patients. In the univariate analysis, TP patients had a higher rate of the primary outcome (OR 3.2, 95% CI 2.1–5.0, p &lt; 0.001) and both of its components (p &lt; 0.001). After adjusting for covariates, positive troponin remained an independent predictor of the primary outcome (OR 2.1, 95% CI 1.3–3.4, p 5 0.005) and inpatient admission (OR 2.0, 95% CI 1.2–3.4, p 5 0.006). There was no significant difference in death (OR 1.3, 95% CI 0.6–2.9, p 5 0.5) after adjustment.Conclusions:A positive troponin assay during ED stay in discharged patients is an independent marker for risk of subsequent admission. Our findings suggest that the prognostic power of an abnormal troponin extends to patients discharged from the ED.
Superior mesenteric artery aneurysm in a patient with infective endocarditis
Authors: Devon Jennifer , Miller Philip 
Published: July 2016

ABSTRACT
Infective endocarditis (IE) is a rare but serious condition. We present a case of endocarditis in a healthy 40-year-old male with no predisposing conditions. His physical examination was suggestive of peripheral microembolization and prompted us to consider the diagnosis of IE and order the appropriate investigations. After treatment, he later presented to the emergency department with abdominal pain, and a superior mesenteric artery aneurysm was discovered. We discuss recent advances in the changing epidemiology and microbiology of IE, review the presentation and diagnosis of IE, and highlight the potential complications of this disease.
Surviving a stressful MIBI scan
Authors: Gooch Robert , Bryski Lisa , Courvoisier-Grzywacz Ewa 
Published: July 2016

ABSTRACTDipyridamole/technetium sestamibi scans (more commonly known as MIBI scans, an acronym for methoxyisobutyl isonitrile) are used commonly for the diagnosis and risk stratification of coronary artery disease. Adverse events from MIBI scans are extremely rare. We present the case of a 64-year-old man who was successfully resuscitated after two asystolic episodes following dipyridamole infusion for a MIBI scan. The second asystolic episode occurred in the emergency department 40 minutes after the patient had been transferred from the Cardiac Stress Test Laboratory. To our knowledge, there are no previous reports of patients having two discrete asystolic episodes or an asystolic episode as delayed as we report after a MIBI scan. Our case illustrates why emergency physicians should be aware of the potential for asystole following MIBI scanning and why aminophylline, the antidote for dipyridamole, should be readily available in emergency departments that could see patients after pharmacologic stress testing. Patients who become asystolic following dipyridamole infusion likely require prolonged cardiac monitoring, given the potential for further episodes after periods of hemodynamic stability.
Incidence of postintubation hemodynamic instability associated with emergent intubations performed outside the operating room: a systematic review
Authors: Green Robert , Hutton Brian , Lorette Jason , Bleskie Dominique , Mclntyre Lauralyn , Fergusson Dean 
Published: July 2016

ABSTRACTObjective:Hemodynamic instability following emergent endotracheal intubation (EETI) is a potentially life-threatening adverse event. The objectives of this systematic literature review were to document the incidence of postintubation hemodynamic instability (PIHI), to determine the definitions for PIHI used in the available literature, and to examine factors associated with PIHI in adult patients who require EETI.Data Source:Articles published in Medline (1966–August 2012).Study Selection:This systematic review included adult, inhospital studies of EETIs. Studies with nonemergent or pediatric patient populations were excluded.Data Extraction:Two authors independently performed data abstraction. Disagreements were resolved by a third party. The methodological quality of included studies was assessed with the Newcastle-Ottawa Quality Assessment Scale for Cohort Studies.Data Synthesis:We estimated the pooled prevalence of PIHI across studies using a random effects meta-analysis. Subgroups analyzed included study design, intubation setting, geographic location of the study, physician experience, medications used for sedation, neuromuscular blockade, and definition of PIHI. Eighteen studies were analyzed, with sample sizes from 84 to 2,833 patients. The incidence of PIHI ranged from 5 to 440 cases per 1,000 intubations, with a pooled estimate of 110 cases per 1,000 intubations (95% CI 65–167).Conclusions:PIHI was found to occur in 110 cases per 1,000 in-hospital, emergent intubations. However, heterogeneity among the included studies limits the reliability of this summary estimate. Further investigation is warranted.