Publications by authors named "Tracey Hawkins"

Objective: To determine the independent predictors for clinician fatigue and decline in cognitive function following a shift in the ED during early stages of the COVID-19 pandemic.

Methods: This was a prospective, quasi-experimental study conducted in a metropolitan adult tertiary-referral hospital ED over 20 weeks in 2021. The participants were ED doctors and nurses working clinical shifts in an ED isolation area or high-risk zone (HRZ) with stringent personal protective equipment (PPE).

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Objective: To estimate the total economic impact of peripheral intravenous catheter (PIVC) or cannula insertion and use in adult Australian EDs, including those cannulas that remain unused for therapeutic purposes.

Methods: Searches on Australian government websites were conducted to find rates of insertion, complications and cost of cannula; following this, gaps in national data sets were filled with MEDLINE and PubMed searches to estimate the total cost of cannula use in Australian EDs. Once the data were collected, totals were combined to establish an estimated cost for the listed categories.

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Background: The Improved assessment of chest pain trial (IMPACT) protocol is an accelerated strategy for the risk stratification and management of patients presenting to the emergency department (ED) with chest pain. This study sought to describe the adoption, sustainability and health services implications of implementing the IMPACT protocol.

Methods: This was a study of adult patients in a large Australian tertiary hospital who had serial troponin testing commenced within the ED.

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Background: Guideline-based processes for the assessment of chest pain are lengthy and resource intensive. The IMProved Assessment of Chest Pain Trial (IMPACT) protocol was introduced in one Australian hospital Emergency Department (ED) to more efficiently risk stratify patients. The theoretical domains framework is a useful approach to assist in identifying barriers and facilitators to the implementation of new guidelines in clinical practice.

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Article Synopsis
  • Emergency physicians assess the risk of acute cardiac events (ACEs) in patients with chest pain, but their estimations tend to be conservative yet moderately accurate.* -
  • The study analyzed data from patients presenting to the emergency department (ED) to identify how demographic and clinical factors influence physicians' risk assessments for ACE.* -
  • Results indicate that physicians often overestimate the risk of ACE, utilizing both reliable predictors like age and ECG features, and less reliable factors like the nature of chest pain and existing risk factors.*
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Background: Various scores have been derived for the assessment of syncope patients in the emergency department (ED) but stay inconsistently validated. We aim to compare their performance to the one of a common, easy-to-use CHADS score.

Methods: We prospectively enrolled patients ≥ 40 years old presenting with syncope to the ED in a multicenter study.

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Background: Low concentrations of cardiac troponin (cTn) have been recommended for rapid rule-out of acute myocardial infarction (AMI). We examined the Beckman Coulter Access high-sensitivity cardiac troponin I (hs-cTnI) assay to identify a single test threshold that can safely rule out AMI.

Methods: This analysis used stored samples collected in 2 prospective observational studies.

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Article Synopsis
  • The study aimed to evaluate the effectiveness of five chest pain assessment pathways using a new high-sensitivity troponin I test in patients attending an emergency department.
  • Involving 1,811 patients, it assessed how well these pathways could classify patients as low risk for acute myocardial infarction and acute coronary syndrome.
  • Results showed that the Vancouver Chest Pain Rule and No Objective Testing Rule had the highest sensitivity for detecting serious conditions, while the other three pathways (m-ADAPT, EDACS, HEART) identified more patients as low risk but had slightly lower sensitivity.
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Objective: To develop a modified Thrombolysis in Myocardial Infarction (TIMI) score to effectively risk stratify patients presenting to the ED with chest pain.

Methods: A prospective observational study was conducted at two metropolitan EDs. Data were obtained during patient interview.

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Objectives: The objective was to examine cannulation practice and effectiveness of a multimodal intervention to reduce peripheral intravenous cannula (PIVC) insertion in emergency department (ED) patients.

Methods: A prospective before and after study and cost analysis was conducted at a single tertiary ED in Australia. Data were collected 24 hours a day for 2 weeks pre- and post implementation of a multimodal intervention.

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Objective: To examine the safety and efficacy of the Improved Assessment of Chest pain Trial (IMPACT) protocol, a strategy for accelerated assessment of patients presenting to emergency departments (EDs) with chest pain.

Design, Setting And Participants: IMPACT was an intervention trial at a single tertiary referral hospital (Royal Brisbane and Women's Hospital) during February 2011 - March 2014. 1366 prospectively recruited patients presenting to the ED with symptoms of suspected acute coronary syndrome (ACS) were stratified into groups at low, intermediate or high risk of an ACS.

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Objective: To identify differences in prevalence, demographics, clinical features and outcomes for type 1 myocardial infarction (T1MI) and type 2 myocardial infarction (T2MI) in a cohort of patients presenting to the Emergency Department (ED) with chest pain.

Methods: This was a post hoc analysis of data collected from two prospective studies. Data were collected between November 2008 and February 2011 for the first study, and between February 2011 and March 2014 for the second.

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Background: Research suggests that female patients with acute coronary syndrome (ACS) experience delays in emergency department (ED) management and are less likely to receive guideline-based treatments and referrals for follow-up testing. Women are often found to have poorer clinical outcomes in comparison to men. This study aimed to assess current sex differences in the presentation, management and outcomes of patients with undifferentiated chest pain presenting to a tertiary ED.

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Background: Patients with panic disorder experience symptoms such as palpitations, chest pain, dizziness, and breathlessness. Consequently, they may attend the Emergency Department (ED) to be assessed for possible emergency medical conditions. Recognition of panic disorder within the ED is low.

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Objective: To determine factors associated with ambulance use in patients with confirmed and potential acute coronary syndrome presenting to the ED.

Methods: A convenience sample of patients (n = 247) presenting to the ED from April 2014 to January 2015 with suspected acute coronary syndrome were included in the study. Data on mode of transport and patient demographics were collected from the Emergency Department Information System database.

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Objective: Elevated uric acid levels have been associated with the presence and severity of coronary artery disease (CAD). This study aimed to assess the clinical utility of serum uric acid levels to identify patients at high risk of acute coronary syndrome (ACS) in those who presented to the emergency department (ED) with chest pain.

Methods: This was a prospective observational study of 951 adult patients who were being evaluated for ACS in a single ED.

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Objectives: The electrocardiograph (ECG) is an essential tool in initial management and risk stratification of patients with suspected acute coronary syndrome (ACS). A six-point reporting criterion has been proposed to facilitate standardized clinical assessment of patients presenting to the emergency department (ED) with suspected ACS. We set out to evaluate the efficacy of these criteria in identifying patients with major adverse cardiac events (MACE), Type 1 myocardial infarction (T1MI), Type 2 myocardial infarction (T2MI), and 1-year mortality in a cohort of emergency patients with chest pain.

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Objective: Obtaining an accurate medical history is essential in the assessment of patients, particularly in emergency department (ED) patients with acute chest pain, as there can be a time imperative for diagnosis and commencement of treatment. We aimed to evaluate reliability of patient-reported compared with physician-adjudicated medical history by assessing patient's recall and communication of personal events and its influence on the accuracy of the medical history.

Methods: A total of 776 patients presenting at ED with suspected cardiac chest pain were recruited.

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Background: The early triage of patients toward rule-out and rule-in of acute myocardial infarction (AMI) is challenging. Therefore, we aimed to develop a 2-h algorithm that uses high-sensitivity cardiac troponin I (hs-cTnI).

Methods: We prospectively enrolled 1435 (derivation cohort) and 1194 (external validation cohort) patients presenting with suspected AMI to the emergency department.

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Objectives: We sought to characterise the demographics, length of admission, final diagnoses, long-term outcome and costs associated with the population who presented to an Australian emergency department (ED) with symptoms of possible acute coronary syndrome (ACS).

Design, Setting And Participants: Prospectively collected data on ED patients presenting with suspected ACS between November 2008 and February 2011 was used, including data on presentation and at 30 days after presentation. Information on patient disposition, length of stay and costs incurred was extracted from hospital administration records.

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Unlabelled: The investigators of this study sought to examine whether abnormal physiological parameters are associated with increased risk for acute coronary syndrome (ACS) in patients presenting to the emergency department (ED) with chest pain.

Methods: We used prospectively collected data on adult patients presenting with suspected ACS in 2 EDs in Australia and New Zealand. Trained research nurses collected physiological data including temperature, respiratory rate, heart rate, and systolic blood pressure (SBP) on presentation to the ED.

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Study Objective: This study examines whether symptoms reported by patients presenting with possible acute coronary syndrome vary across different ethnic backgrounds. We also assess the predictive value of individual symptoms according to ethnic background.

Methods: The study used prospectively collected data on adult patients presenting with suspected acute coronary syndrome to 12 emergency departments in the Asia-Pacific region.

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Haemodynamic targets, such as cardiac output, mean arterial blood pressure and central venous oxygen saturations, remain crude predictors of tissue perfusion and oxygen supply at a cellular level. Shocked patients may appear adequately resuscitated based on normalization of global vital signs, yet they are still experiencing occult hypoperfusion. If targeted resuscitation is employed, appropriate use of end-points is critical.

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The use of appropriate resuscitation targets or end-points may facilitate early detection and appropriate management of shock. There is a fine balance between oxygen delivery and consumption, and when this is perturbed, an oxygen debt is generated. In this narrative review, we explore the value of global haemodynamic resuscitation end-points, including pulse rate, blood pressure, central venous pressure and mixed/central venous oxygen saturations.

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