Figure: Case characteristics and retreatment recommendations

  • Note:—Acom indicates anterior communicating artery; Pcom, posterior communicating artery; A., arteria.

  • a Rated from complete occlusion, neck remnant, to residual aneurysm.

  • b Rated from better, same, to worse.

  • c Rated from completely uncertain (1) to completely certain (6).

  • d Rated from standard, difficult, to unbearable risk.

  • e Rated from coiling only, stent-assisted coiling, clipping, other, or no retreatment.