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Navani RV, Dawson LP, Nehme E, Nehme Z, Bloom J, Cox S, Anderson D, Stephenson M, Lefkovits J, Taylor AJ, Kaye D, Smith K, Stub D. Variation in Health Care Processes, Quality and Outcomes According to Day and Time of Chest Pain Presentation via Ambulance. Heart Lung Circ 2023:S1443-9506(23)00150-6. [PMID: 37100698 DOI: 10.1016/j.hlc.2023.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 03/15/2023] [Accepted: 03/26/2023] [Indexed: 04/28/2023]
Abstract
BACKGROUND Previous studies examining temporal variations in cardiovascular care have largely been limited to assessing weekend and after-hours effects. We aimed to determine whether more complex temporal variation patterns might exist in chest pain care. METHODS This was a population-based study of consecutive adult patients attended by emergency medical services (EMS) for non-traumatic chest pain without ST elevation in Victoria, Australia between 1 January 2015 and 30 June 2019. Multivariable models were used to assess whether time of day and week stratified into 168 hourly time periods was associated with care processes and outcomes. RESULTS There were 196,365 EMS chest pain attendances; mean age 62.4 years (standard deviation [SD] 18.3) and 51% females. Presentations demonstrated a diurnal pattern, a Monday-Sunday gradient (Monday peak) and a reverse weekend effect (lower rates on weekends). Five temporal patterns were observed for care quality and process measures, including a diurnal pattern (longer emergency department [ED] length of stay), an after-hours pattern (lower angiography or transfer for myocardial infarction, pre-hospital aspirin administration), a weekend effect (shorter ED clinician review, shorter EMS off-load time), an afternoon/evening peak period pattern (longer ED clinician review, longer EMS off-load time) and a Monday-Sunday gradient (ED clinician review, EMS offload time). Risk of 30-day mortality was associated with weekend presentation (Odds ratio [OR] 1.15, p=0.001) and morning presentation (OR 1.17, p<0.001) while risk of 30-day EMS reattendance was associated with peak period (OR 1.16, p<0.001) and weekend presentation (OR 1.07, p<0.001). CONCLUSIONS Chest pain care demonstrates complex temporal variation beyond the already established weekend and after-hours effect. Such relationships should be considered during resource allocation and quality improvement programs to improve care across all days and times of the week.
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Affiliation(s)
- Rohan V Navani
- Department of Cardiology, The Alfred Hospital, Melbourne, Vic, Australia. http://www.twitter.com/RohanNavani
| | - Luke P Dawson
- Department of Cardiology, The Alfred Hospital, Melbourne, Vic, Australia; Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Vic, Australia; Department of Cardiology, The Royal Melbourne Hospital, Melbourne, Vic, Australia
| | - Emily Nehme
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Vic, Australia; Ambulance Victoria, Melbourne, Vic, Australia
| | - Ziad Nehme
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Vic, Australia; Ambulance Victoria, Melbourne, Vic, Australia; Department of Paramedicine, Monash University, Melbourne, Vic, Australia
| | - Jason Bloom
- Department of Cardiology, The Alfred Hospital, Melbourne, Vic, Australia; The Baker Institute, Melbourne, Vic, Australia
| | - Shelley Cox
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Vic, Australia; Ambulance Victoria, Melbourne, Vic, Australia
| | - David Anderson
- Ambulance Victoria, Melbourne, Vic, Australia; Department of Intensive Care Medicine, The Alfred Hospital, Melbourne, Vic, Australia
| | - Michael Stephenson
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Vic, Australia; Ambulance Victoria, Melbourne, Vic, Australia; Department of Paramedicine, Monash University, Melbourne, Vic, Australia
| | - Jeffrey Lefkovits
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Vic, Australia; Department of Cardiology, The Royal Melbourne Hospital, Melbourne, Vic, Australia
| | - Andrew J Taylor
- Department of Cardiology, The Alfred Hospital, Melbourne, Vic, Australia; Department of Medicine, Monash University, Melbourne, Vic, Australia
| | - David Kaye
- Department of Cardiology, The Alfred Hospital, Melbourne, Vic, Australia; The Baker Institute, Melbourne, Vic, Australia
| | - Karen Smith
- Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Vic, Australia; Ambulance Victoria, Melbourne, Vic, Australia; Department of Paramedicine, Monash University, Melbourne, Vic, Australia
| | - Dion Stub
- Department of Cardiology, The Alfred Hospital, Melbourne, Vic, Australia; Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Vic, Australia; Ambulance Victoria, Melbourne, Vic, Australia; The Baker Institute, Melbourne, Vic, Australia.
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Brownlee E, Greenslade JH, Kelly A, Meek RA, Parsonage WA, Cullen L. Snapshot of suspected acute coronary syndrome assessment processes in the emergency department: A national cross-sectional survey. Emerg Med Australas 2023; 35:261-268. [PMID: 36334914 PMCID: PMC10946811 DOI: 10.1111/1742-6723.14115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 09/21/2022] [Accepted: 10/01/2022] [Indexed: 11/08/2022]
Abstract
OBJECTIVE The Snapshot of Suspected ACS Assessment (SSAASY) study aims to describe the assessment processes for patients with suspected acute coronary syndrome (ACS) in Australian EDs, and to compare these processes with the National Heart Foundation of Australia and Cardiac Society of Australia and New Zealand (NHFA/CSANZ) guidelines. METHODS Between March and May 2021, a cross-sectional survey of Australian EDs was undertaken to investigate the assessment strategies used within the ED. All public and private hospitals identified as having dedicated EDs were invited to participate. Respondents provided data on hospital, ED and cardiac service characteristics. They also provided data on the risk stratification process recommended within their department (risk scores, troponin testing, objective testing for coronary artery disease). Awareness of the NHFA/CSANZ guidelines was assessed. RESULTS Responses were received from 109/162 departments (67%). Most sites (n = 100, 92%) reported using dedicated protocols developed by ED clinicians that included risk stratification scores. Highly sensitive troponin assays were used at 103 (94%) sites. Serial troponin testing was performed over 2 h for low-risk patients in 53 (49%) sites and 2-3 h for intermediate and high-risk patients in 74 (68%) sites. Further investigations included exercise stress tests (48%) and stress echocardiography (38%), with 45% of sites ordering outpatient investigations. CONCLUSIONS The SSAASY study reported the strategies used to assess suspected ACS. In line with current NHFA/CSANZ guidelines, highly sensitive troponin assays are widely utilised. However, serial sampling intervals were longer than guideline recommendations, suggesting a translational gap between guidelines and clinical practice.
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Affiliation(s)
- Emily Brownlee
- Emergency and Trauma CentreRoyal Brisbane and Women's HospitalBrisbaneQueenslandAustralia
| | - Jaimi H Greenslade
- Emergency and Trauma CentreRoyal Brisbane and Women's HospitalBrisbaneQueenslandAustralia
- Australian Centre for Health Services Innovation, Centre for Healthcare Transformation, School of Public Health and Social Work, Faculty of HealthQueensland University of TechnologyBrisbaneQueenslandAustralia
| | - Anne‐Maree Kelly
- Department of Medicine, Western Health, Melbourne Medical SchoolThe University of MelbourneMelbourneVictoriaAustralia
- Joseph Epstein Centre for Emergency Medicine Research, Western HealthMelbourneVictoriaAustralia
| | - Robert A Meek
- Department of Emergency MedicineMonash HealthMelbourneVictoriaAustralia
- Department of Medicine, School of Clinical Sciences at Monash HealthMonash UniversityMelbourneVictoriaAustralia
| | - William A Parsonage
- Australian Centre for Health Services Innovation, Centre for Healthcare Transformation, School of Public Health and Social Work, Faculty of HealthQueensland University of TechnologyBrisbaneQueenslandAustralia
- Department of CardiologyRoyal Brisbane and Women's HospitalBrisbaneQueenslandAustralia
| | - Louise Cullen
- Emergency and Trauma CentreRoyal Brisbane and Women's HospitalBrisbaneQueenslandAustralia
- Australian Centre for Health Services Innovation, Centre for Healthcare Transformation, School of Public Health and Social Work, Faculty of HealthQueensland University of TechnologyBrisbaneQueenslandAustralia
- Faculty of MedicineThe University of QueenslandBrisbaneQueenslandAustralia
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