ArticleJournal of cerebrovascular and endovascular neurosurgery2022
Diffusion-weighted imaging-positive lesions following endovascular treatment for ruptured and unruptured aneurysms: Its incidence according to antithrombotic drugs.
Article in Journal of cerebrovascular and endovascular neurosurgery, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
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Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it, 5 citations in OpenAlex.
- DWI-Detected Ischemic Lesions after Endovascular Treatment for Cerebral Aneurysms: An Updated Systematic Review and Meta-analysis.AJNR. American journal of neuroradiology · 2023Pooled it
- Outcome of intraoperative heparinization during stent-assisted coiling for unruptured aneurysms.The neuroradiology journal · 2026Article
- Role of light transmission aggregometry in predicting diffusion-weighted imaging lesions after stent-assisted coil embolization for intracranial aneurysms: a retrospective propensity score-matched study.Frontiers in neurology · 2026Article
- Association Between Vertebral Arterial Tortuosity and Aneurysm Growth in Intracranial Vertebral Artery Dissection.Journal of clinical neurology (Seoul, Korea) · 2024Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveMicroembolic infarcts are frequently observed on diffusion-weighted imaging (DWI) following endovascular treatment. We investigated DWI-positive lesions and symptomatic ischemic complications (SICs) in patients with ruptured and unruptured aneurysms following coiling and the relationship between DWI-positive lesions and antithrombotic drugs.
methodsBetween January 2016 and December 2020, 83 patients underwent DWI within 48 h following endovascular treatment for ruptured (n=30) and unruptured (n=53) aneurysms.
resultsThe overall rate of DWI-positive lesions was 55.4%. There were no significant differences in the occurrence rate (45.3% vs. 43.3%, p=1.000) and the number of lesions (2.7±4.6 vs. 4.0±5.3, p=0.237) between unruptured and ruptured aneurysms. SIC occurred more frequently in patients with ruptured aneurysms than unruptured ones (20.0% vs. 1.9%, p=0.015). The cutoff value of DWI-positive lesions for predicting SIC was 5 (sensitivity 100%, specificity 78.9%). The procedure time was significantly longer in patients with DWI-positive lesions ≥5 than those with DWI-positive lesions <5 (104.1±43.8 vs. 85.1±30.8 min, p=0.030). Patients with DWI-positive lesions <5 were more frequently observed in the postprocedural heparinization group than in the no heparinization group (85.7% vs. 58.5%, p=0.012).
conclusionsThe incidence of DWI-positive lesions did not differ significantly between the ruptured and unruptured aneurysms. However, SIC occurred more frequently in patients with ruptured aneurysms. Longer procedure time is a risk factor for DWI-positive lesions, and postprocedural heparinization seems to reduce the incidence of DWI-positive lesions.
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