The association between acetylsalicylic acid and subarachnoid haemorrhage: the Framingham Heart Study

Bibliographic Details
Title: The association between acetylsalicylic acid and subarachnoid haemorrhage: the Framingham Heart Study
Authors: Frederick Ewbank, Jacqueline Birks, Diederik Bulters
Source: Scientific Reports, Vol 13, Iss 1, Pp 1-7 (2023)
Publisher Information: Nature Portfolio, 2023.
Publication Year: 2023
Collection: LCC:Medicine
LCC:Science
Subject Terms: Medicine, Science
More Details: Abstract Studies investigating the association between acetylsalicylic acid (ASA) use and spontaneous subarachnoid haemorrhage (SAH) in the general population have produced conflicting results. The aim of this study is to clarify the relationship between SAH and ASA. We included all participants who reported on ASA use during interim examinations of the Framingham Heart Study Cohorts. Using Cox proportional-hazards regression modelling, we estimated the hazard ratio (HR) associated with ASA use. 7692 participants were included in this study. There were 30 cases of SAH during follow up, with an estimated incidence of 10.0 per 100,000 person- years (CI 6.90–14.15). Univariate analysis showed no association between regular ASA use and SAH (HR, 0.33 [0.08–1.41]; p = 0.14). This was similar when accounting for smoking (HR, 0.35 [0.08–1.51]; p = 0.16). Using a large longitudinal dataset from the Framingham Heart Study, we observed some evidence suggesting fewer SAH in those participants taking regular ASA. However, multivariate statistical analysis showed no significant association between ASA use and SAH. Due to the low incidence of SAH in the general population, the absolute number of SAH events was low and it remains uncertain if a significant effect would become apparent with more follow up.
Document Type: article
File Description: electronic resource
Language: English
ISSN: 2045-2322
Relation: https://doaj.org/toc/2045-2322
DOI: 10.1038/s41598-023-33570-9
Access URL: https://doaj.org/article/4a59b838739e48efb8ea0e43d8dfd605
Accession Number: edsdoj.4a59b838739e48efb8ea0e43d8dfd605
Database: Directory of Open Access Journals
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More Details
ISSN:20452322
DOI:10.1038/s41598-023-33570-9
Published in:Scientific Reports
Language:English