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Abstract
Background and Objectives Guidelines recommend antithrombotic medication as secondary prevention for patients with ischemic stroke or transient ischemic attack (TIA) at young age based on results from trials in older patients. We investigated the long-term risk of bleeding and ischemic events in young patients after ischemic stroke or TIA.
Methods We included 30-day survivors of first-ever ischemic stroke or TIA aged 18–50 years from the Follow-Up of TIA and Stroke Patients and Unelucidated Risk Factor Evaluation (FUTURE) study, a prospective cohort study of stroke at young age. We obtained information on recurrent ischemia based on structured data collection from 1995 until 2014 as part of the FUTURE study follow-up, complemented with information on any bleeding and ischemic events by retrospective chart review from baseline until last medical consultation or June 2020. Primary outcome was any bleeding; secondary outcome any ischemic event during follow-up. Both were stratified for sex, age, etiology, and use of antithrombotic medication at discharge. Bleeding and ischemic events were classified according to location and bleeding events also by severity.
Results We included 544 patients (56.1% women, median age of 42.2; interquartile range [IQR] 36.5–46.7 years) with a median follow-up of 9.6 (IQR 2.5–14.3) years. Ten-year cumulative risk of any bleeding event was 21.8% (95% CI 17.4–26.0) and 33.9% (95% CI 28.3–37.5) of any ischemic event. Risk of bleeding was higher in women with a cumulative risk of 28.2% (95% CI 21.6–34.3) vs 13.7% (95% CI 8.2–18.9) in men (p < 0.01), mainly because of gynecologic bleeds. Female sex (p < 0.001) and age between 40 and 49 years (p = 0.04) were independent predictors of bleeding.
Discussion Young patients after ischemic stroke or TIA have a substantial long-term risk of both bleeding (especially women) and ischemic events. Future studies should investigate the effects of long-term antithrombotics in young patients, taking into account the risk of bleeding complications.
Glossary
- BARC=
- Bleeding Academic Research Consortium;
- FUTURE=
- Follow-Up of TIA and Stroke Patients and Unelucidated Risk Factor Evaluation;
- HR=
- hazard ratio;
- ICH=
- intracerebral hemorrhage;
- IQR=
- interquartile range;
- mRS=
- modified Rankin Scale;
- NIHSS=
- NIH Stroke Scale;
- PY=
- person-year;
- TIA=
- transient ischemic attack;
- TOAST=
- Trial of Org 10172 in Acute Stroke Treatment
Footnotes
Go to Neurology.org/N for full disclosures. Funding information and disclosures deemed relevant by the authors, if any, are provided at the end of the article.
↵* These authors contributed equally to this work.
Submitted and externally peer reviewed. The handling editor was José Merino, MD, MPhil, FAAN.
Editorial, page 223
CME Course: NPub.org/cmelist
- Received December 31, 2021.
- Accepted in final form April 8, 2022.
- © 2022 American Academy of Neurology
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