Drug-coated balloon angioplasty for symptomatic vertebral artery origin stenosis: a real-world analysis of efficacy and predictors for bailout stenting.

Among patients with follow-up beyond 12 months, the median stenosis rate was 48% in the DCB group and 69% in the BS group, although this difference did not reach statistical significance ( p = 0.17) ( Figure 2B ).

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