Andy Lim
Ninety‐Day Stroke Recurrence in Minor Stroke: Systematic Review and Meta‐Analysis of Trials and Observational Studies
Lim, Andy; Ma, Henry; Johnston, S. Claiborne; Singhal, Shaloo; Muthusamy, Subramanian; Wang, Yongjun; Pan, Yuesong; Coutts, Shelagh B.; Hill, Michael D.; Ois, Angel; Kapral, Moira K.; Knoflach, Michael; Woodhouse, Lisa J.; Bath, Philip M.; Phan, Thanh G.
Authors
Henry Ma
S. Claiborne Johnston
Shaloo Singhal
Subramanian Muthusamy
Yongjun Wang
Yuesong Pan
Shelagh B. Coutts
Michael D. Hill
Angel Ois
Moira K. Kapral
Michael Knoflach
Dr LISA WOODHOUSE L.Woodhouse@nottingham.ac.uk
Research Fellow
PHILIP BATH philip.bath@nottingham.ac.uk
Stroke Association Professor of Stroke Medicine
Thanh G. Phan
Abstract
Background Risk of recurrence after minor ischemic stroke is usually reported with transient ischemic attack. No previous meta‐analysis has focused on minor ischemic stroke alone. The objective was to evaluate the pooled proportion of 90‐day stroke recurrence for minor ischemic stroke, defined as a National Institutes of Health Stroke Scale severity score of ≤5. Methods and Results Published papers found on PubMed from 2000 to January 12, 2021, reference lists of relevant articles, and experts in the field were involved in identifying relevant studies. Randomized controlled trials and observational studies describing minor stroke cohort with reported 90‐day stroke recurrence were selected by 2 independent reviewers. Altogether 14 of 432 (3.2%) studies met inclusion criteria. Multilevel random‐effects meta‐analysis was performed. A total of 6 randomized controlled trials and 8 observational studies totaling 45 462 patients were included. The pooled 90‐day stroke recurrence was 8.6% (95% CI, 6.5–10.7), reducing by 0.60% (95% CI, 0.09–1.1; P =0.02) with each subsequent year of publication. Recurrence was lowest in dual antiplatelet trial arms (6.3%, 95% CI, 4.5–8.0) when compared with non‐dual antiplatelet trial arms (7.2%, 95% CI, 4.7–9.6) and observational studies 10.6% (95% CI, 7.0–14.2). Age, hypertension, diabetes, ischemic heart disease, or known atrial fibrillation had no significant association with outcome. Defining minor stroke with a lower National Institutes of Health Stroke Scale threshold made no difference – score ≤3: 8.6% (95% CI, 6.0–11.1), score ≤4: 8.4% (95% CI, 6.1–10.6), as did excluding studies with n<500%–7.3% (95% CI, 5.5–9.0). Conclusions The risk of recurrence after minor ischemic stroke is declining over time but remains important.
Citation
Lim, A., Ma, H., Johnston, S. C., Singhal, S., Muthusamy, S., Wang, Y., …Phan, T. G. (2024). Ninety‐Day Stroke Recurrence in Minor Stroke: Systematic Review and Meta‐Analysis of Trials and Observational Studies. Journal of the American Heart Association, 13(9), Article e032471. https://doi.org/10.1161/jaha.123.032471
Journal Article Type | Article |
---|---|
Acceptance Date | Mar 18, 2024 |
Online Publication Date | Apr 19, 2024 |
Publication Date | May 7, 2024 |
Deposit Date | May 7, 2024 |
Publicly Available Date | May 7, 2024 |
Journal | Journal of the American Heart Association |
Electronic ISSN | 2047-9980 |
Publisher | Wiley Open Access |
Peer Reviewed | Peer Reviewed |
Volume | 13 |
Issue | 9 |
Article Number | e032471 |
DOI | https://doi.org/10.1161/jaha.123.032471 |
Public URL | https://nottingham-repository.worktribe.com/output/34112155 |
Publisher URL | https://www.ahajournals.org/doi/10.1161/JAHA.123.032471 |
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Ninety‐Day Stroke Recurrence in Minor Stroke: Systematic Review and Meta‐Analysis of Trials and Observational Studies
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Publisher Licence URL
https://creativecommons.org/licenses/by-nc-nd/4.0/
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