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Is there a relationship between opioid use and transient global amnesia?
Jed A Barash1, Megha Parikh2, Rosa Ergas2
1Veterans' Home, Chelsea, Massachusetts, USA.
European Journal of Neurology
|November 13, 2023
Summary
Opioid-associated amnestic syndrome (OAS) and transient global amnesia (TGA) share symptoms, but this study found no evidence that opioid use increases TGA risk. OAS and TGA appear to be distinct neurological conditions.
Area of Science:
- Neurology
- Public Health Surveillance
- Pharmacology
Background:
- Opioid-associated amnestic syndrome (OAS) and transient global amnesia (TGA) exhibit overlapping clinical presentations.
- The potential association between opioid use and TGA requires investigation to differentiate these conditions.
Purpose of the Study:
- To investigate the potential association between opioid use and the occurrence of transient global amnesia (TGA).
- To determine if opioid use is a risk factor for TGA.
Main Methods:
- Utilized data from the Massachusetts Department of Public Health Syndromic Surveillance program.
- Compared the frequency of opioid use in emergency department (ED) encounters for TGA versus all other ED visits.
- Analyzed data from January 2019 to June 2023.
Main Results:
- Out of 13,188,630 total ED visits, 1417 were for TGA.
- Only one TGA visit involved opioid use, compared to 57,638 opioid-exposed visits for other conditions.
- The odds ratio for opioid use and TGA was 0.16 (95% CI 0.02, 1.14).
Conclusions:
- Massachusetts ED surveillance data do not support opioid use as a risk factor for TGA.
- Findings suggest that opioid-associated amnestic syndrome (OAS) and transient global amnesia (TGA) are distinct clinical entities.
- Further research may be needed to fully elucidate the relationship between amnestic syndromes and opioid exposure.
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