ArticleMedicine2023
Complications and long-term in-stent restenosis of endovascular treatment of severe symptomatic intracranial atherosclerotic stenosis and relevant risk factors.
Article in Medicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers, 1 of them a synthesis that pooled it.
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Who cites it
3 citing papers in PubMed, 1 synthesis or guideline pooled it, 2 citations in OpenAlex.
- Angioplasty and/or stenting after thrombectomy in patients with large vessel occlusion associated with underlying intracranial atherosclerotic stenosis: a meta-analysis and systematic review.Acta neurochirurgica · 2025Pooled it
- Dramatically changing intracranial arteriopathy due to antiphospholipid syndrome: A case report.Radiology case reports · 2026Article
- Effectiveness of CYP2C19 Genotype-Guided Antiplatelet Therapy Following Neurovascular Endovascular Procedures: A Prospective Non-Randomized Controlled Study.Therapeutics and clinical risk management · 2026Article
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
To investigate the complications and in-stent restenosis of endovascular treatment of severe symptomatic intracranial atherosclerotic stenosis and relevant risk factors. Three hundred and fifty-four consecutive patients with intracranial atherosclerotic stenosis (70%-99%) were retrospectively enrolled. The clinical data, treatment outcomes, complications and in-stent restenosis at follow-up were analyzed. The endovascular treatment was composed of balloon dilatation only in 21 (5.93%) patients, and deployment of self-expandable stents in 232 (65.54%), balloon-expandable stents in 75 (21.19%), and both balloon- and self-expandable stents in 26 (7.34%), with a total of 359 stents being successfully deployed at the stenotic location. After treatment, the residual stenosis ranged 9.2%±1.5% (range 7%-19%), which was significantly (P < .05) smaller than that before treatment. Periprocedural complications occurred in 43 patients with a complication rate of 12.15% including arterial dissection in 4 (1.13%) patients, new cerebral infarction in 21 (5.93%), cerebral hemorrhage in 12 (3.3%), and subarachnoid hemorrhage in 6 (1.69%). Hyperlipidemia [odds ratio (OR) 10.35, 95% confidence interval (CI) 4.42-24.28, and P < .0001] and location at the middle cerebral artery (MCA) (OR 4.15, 95% CI 1.92-8.97, and P < .001) were significant (P < .05) risk factors for periprocedural complications, whereas hyperlipidemia (OR 11.28, 95% CI 4.65-30.60, and P < .0001), location at the MCA (or 5.26, 95% CI 2.03-15.08, and P < .001), and angulation (OR 1.02, 95% CI 1.00-1.04, and P = .02) were significant (P < .05) independent risk factors for periprocedural complications. Follow-up was performed in 287 (81.07%) patients at 6 to 36 (28 ± 6.7) months. In-stent restenosis was present in 36 (12.54%), and female sex (OR 2.53, and 95% CI 1.27-5.06) and periprocedural complications (OR 9.18, and 95% CI 3.52-23.96) were significant (P < .05) risk factors for in-stent restenosis, with periprocedural complication (OR 9.61, and 95% CI 3.48-27.23) as the only significant (P < .0001) independent risk factor for in-stent restenosis. A certain rate of periprocedural complications and in-stent stenosis may occur in endovascular treatment of severe intracranial stenosis, and the relevant risk factors may include hyperlipidemia, MCA location, angulation at the stenosis and female sex.
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