Evidence map›Paper›PMID 42529809›Full record

ArticleAnnals of medicine2026

Impact of antithrombotic therapy on outcomes of incidental unruptured intracranial aneurysms in patients with ischemic stroke.

Chao Chen, Yiya Xu, Yingchao He, Ting Chen, Xingyong Chen

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Article in Annals of medicine, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Chao ChenDepartment of Neurology, Shengli Clinical Medical College, Fujian Medical University, Fuzhou, Fujian, China.ORCID 0009-0003-8073-3908
Yiya XuDepartment of Neurology, Shengli Clinical Medical College, Fujian Medical University, Fuzhou, Fujian, China.ORCID 0009-0008-1046-8797
Yingchao HeDepartment of Neurology, Shengli Clinical Medical College, Fujian Medical University, Fuzhou, Fujian, China.
Ting ChenDepartment of Neurology, Shengli Clinical Medical College, Fujian Medical University, Fuzhou, Fujian, China.ORCID 0009-0007-8807-0933
Xingyong ChenDepartment of Neurology, Shengli Clinical Medical College, Fujian Medical University, Fuzhou, Fujian, China.ORCID 0000-0001-7364-5414

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThe coexistence of acute ischemic stroke (AIS) and unruptured intracranial aneurysms (UIAs) is relatively common, but the safety of antithrombotic therapy in this population remains uncertain. This study evaluated whether different secondary prevention regimens influence UIA progression or rupture risk.

methodsThis single-center retrospective cohort study included patients with AIS and concomitant saccular UIAs between January 2016 and December 2021. Patients were categorized according to long-term antithrombotic exposure: single antiplatelet therapy (SAPT), anticoagulation, or no regular therapy. Dual antiplatelet therapy (DAPT) was analyzed separately. The primary outcome was aneurysm rupture; secondary outcomes included symptomatic events and radiographic progression (≥1 mm growth).

resultsAmong 197 patients (mean age 68.4 ± 10.2 years; 53.8% female), 140 received SAPT, 36 received anticoagulation, and 21 received no regular therapy. During a mean follow-up of 28.6 ± 18.4 months, aneurysm rupture occurred in two patients (1.0%). No ruptures occurred in the anticoagulation group. Firth's penalized logistic regression showed no significant association between antithrombotic regimen and aneurysm rupture (anticoagulation vs SAPT: OR 0.41, 95% CI 0.01-5.21; no therapy vs SAPT: OR 3.21, 95% CI 0.21-45.6; both

conclusionsIn patients with small incidental saccular UIAs and AIS, standard secondary prevention regimens were not associated with an increased risk of aneurysm rupture. However, the limited number of rupture events and potential residual confounding warrant cautious interpretation. Secondary stroke prevention should remain the priority, with individualized assessment of aneurysm-related risks.

Indexed as

Aneurysm, RupturedAnticoagulantsFibrinolytic AgentsIntracranial AneurysmIschemic StrokePlatelet Aggregation InhibitorsAgedDisease ProgressionFemaleHumansMaleMiddle AgedRetrospective StudiesRisk FactorsSecondary PreventionTreatment OutcomeAnticoagulantsFibrinolytic AgentsPlatelet Aggregation Inhibitorsanticoagulationantiplatelet therapyintracranial aneurysmIschemic strokesecondary prevention

Identifiers

PMID42529809
PMCPMC13425537

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