Three datasets are better than one! Alcohol related diagnoses from ambulance to hospital admission,...
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Transcript of Three datasets are better than one! Alcohol related diagnoses from ambulance to hospital admission,...
![Page 1: Three datasets are better than one! Alcohol related diagnoses from ambulance to hospital admission, Melbourne, Australia Sharon Matthews Jason Ferris Belinda.](https://reader038.fdocuments.net/reader038/viewer/2022110116/551b8aef550346167e8b4f6f/html5/thumbnails/1.jpg)
Three datasets are better than one! Alcohol related diagnoses from ambulance to
hospital admission, Melbourne, AustraliaSharon Matthews
Jason FerrisBelinda Lloyd
![Page 2: Three datasets are better than one! Alcohol related diagnoses from ambulance to hospital admission, Melbourne, Australia Sharon Matthews Jason Ferris Belinda.](https://reader038.fdocuments.net/reader038/viewer/2022110116/551b8aef550346167e8b4f6f/html5/thumbnails/2.jpg)
Background
• Routine monitoring plays a significant role in the development of responsive policy, prevention and intervention
• Need to explore innovative methods to understand and respond to alcohol and drug related harms
![Page 3: Three datasets are better than one! Alcohol related diagnoses from ambulance to hospital admission, Melbourne, Australia Sharon Matthews Jason Ferris Belinda.](https://reader038.fdocuments.net/reader038/viewer/2022110116/551b8aef550346167e8b4f6f/html5/thumbnails/3.jpg)
Aims
• To use linked data to explore the diagnostic path from an alcohol related ambulance attendance to emergency and hospital admission in Melbourne , Australia between 2004/05 – 2008/09
![Page 4: Three datasets are better than one! Alcohol related diagnoses from ambulance to hospital admission, Melbourne, Australia Sharon Matthews Jason Ferris Belinda.](https://reader038.fdocuments.net/reader038/viewer/2022110116/551b8aef550346167e8b4f6f/html5/thumbnails/4.jpg)
Methods
Data• Alcohol related ambulance attendances• Victorian emergency department admissions (VEMD)• Victorian hospital admissions (VAED)• 2004/05 – 2008/09
Linked data : Ambulance ED Hospital admission
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Ambulance Attendances
- Ambo Project database 1998 -present- Additional coding of Ambulance
Victoria Patient Care Records (electronic from 2006) to identify alcohol and other
drug related attendances- 17885 alcohol only cases 2004/05
to 2008/09
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Emergency Department Presentations
- Victorian Emergency Minimum dataset (VEMD)
- Detailed demographic, clinical and administrative information on all presentations to Victorian public hospitals with 24/7 ED
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Hospital Admissions
- Victorian Admitted Episodes Dataset (VAED)
- Acute hospital separations (public, private, denominational hospitals)
- Principal diagnosis using ICD10 classification
- 2004/05 – 2008/09
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Staged linkage – using:
Ambulance case number Ambulance case date
(time/date stamp)Validated using:Patient age Patient gender Hospital Time between
attendance and ED (<2 hours)
Outcome –63,156 linked records = 90.3% patients transported to ED (any AOD involvement)
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Treatment pathway – Alcohol intoxication attendances
2004/05 2005/06 2006/07 2007/08 2008/09
Ambulance 3,758 4,218 5,439 5,663 6,783
↓ ↓ ↓ ↓ ↓
Transported 2,112 (56.2)
2,510 (59.5)
3,433 (63.1)
3,760 (66.4)
4,479 (66.0)
↓ ↓ ↓ ↓ ↓
Admitted to ED 1,869 (49.7)
2,210 (52.4)
3,023 (55.6)
3,300 (58.3)
4,161 (61.3)
↓ ↓ ↓ ↓ ↓
Admitted to Hospital
349 (9.3)
367 (8.7)
624 (11.5)
725 (12.8)
898 (13.2)
![Page 10: Three datasets are better than one! Alcohol related diagnoses from ambulance to hospital admission, Melbourne, Australia Sharon Matthews Jason Ferris Belinda.](https://reader038.fdocuments.net/reader038/viewer/2022110116/551b8aef550346167e8b4f6f/html5/thumbnails/10.jpg)
Age of alcohol intoxicated patients transported to ED (%)
2004/5 2005/6 2006/7 2007/8 2008/90-19 15 12 14 12 1420-29 19 18 20 20 2130-39 20 18 21 21 1940-49 23 24 19 18 1850-59 15 18 14 15 1560-69 5 6 8 8 870+ 3 3 4 5 5
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Alcohol intoxication attendances coded in ED presentations (%)
2004/05%
2005/06%
2006/07%
2007/08%
2008/09%
Mental & behavioural disorders due to the use of alcohol
40 36 39 35 37
Poisoning/toxic effects of substances 11 8 9 9 8
Injuries to the head 3 3 9 12 13
Total ICD 10 codes used as primary 189 212 244 254 300
Missing any ICD diagnosis 226 257 305 380 460
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Alcohol intoxication attendances coded in hospital admissions (%)
2004/05%
2005/06%
2006/07%
2007/08%
2008/09%
Mental & behavioural disorders due to the use of alcohol 41.8 30.8 33.8 28.8 35.1
Poisoning/toxic effects of substances 16.9 8.7 13 12.3 8.5
Injuries to the head 3.7 2.7 11.7 14.1 15.4
Total ICD 10 codes used as primary 99 134 175 217 231
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Limitations
• Data are not collected for research purposes• Coding practices can change over time• Some missing cases
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Summary
• Increase in older patients – particularly 60 years and over
• Less than half of acutely alcohol intoxicated patients have AOD principal diagnosis in ED or hospital
• Single dataset usage provides an incomplete picture resulting in underestimation of the role of alcohol in cases
• Increase in external causes for acutely intoxicated patients – particularly head injuries
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Utility of linkage
• Use of multiple data sources necessary to examine and respond to AOD harms
• Enhanced models to estimate AOD burden• Provide an evidence base regarding the nature of
AOD presentations in settings where data are not routinely available
• Monitor outcomes following intervention• Contribute to policy and intervention across acute,
treatment and other settings
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Acknowledgements
• Funded by Victorian Department of Health• VEMD and VAED data provided by the Victorian
Department of Health• Ambulance data derived from the Ambo Project – a
collaborative project between Turning Point and Ambulance Victoria, and funded by the Victorian Department of Health
• Thanks to project team
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Sharon MatthewsResearch Fellow Population Health ResearchPhD Candidate Monash University
T: +61 3 9412 [email protected]