In the BES group, there was an overall trend of increased RCI risk with increasing lesion length (length < 7.70 mm: HR = 2.17, 95% CI: 1.06–4.46. length > 9.00 mm: HR = 3.17, 95% CI: 1.18–8.50), whereas a similar finding was observed in patients with a lesion length of <9.00 mm in the SES group (HR = 1.83, 95% CI = 1.04–3.23).
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A non-linear relationship between lesion length and risk of recurrent cerebral ischemia after stenting for symptomatic intracranial stenosis with hemodynamic impairment.
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