Comparison of the efficacy and safety of flow diversion versus stent-assisted coiling in posterior circulation aneurysms: a systematic review and meta-analysis.

For immediate complete occlusion, FD was associated with a significantly lower rate than stents/SAC in the VA-only/VA-dominant subgroup (RR = 0.07, 95% CI 0.02–0.23), whereas in the vertebrobasilar/basilar trunk subgroup, the result was based on a single study and did not reach statistical significance (RR = 0.33, 95% CI 0.10–1.15); no significant subgroup difference was found ( p = 0.077).

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