Table 2:

Outcome measures

ParameterNo.
No. of Pipelines deployed (median) (range)1 (1–14)
Adjunctive coiling40 (31%)
Procedures with covered branches103 (79.8%)
No. of covered branches (median) (range)2 (0–6)
Last angiographic follow-up (median) (range) (mo)a11 (1–72)
Follow-up aneurysm occlusion ratea
    Complete (100%)85 (66.4%)
    Near-complete (90%–99%)15 (11.7%)
    Partial (<90%)28 (21.9%)
Retreatment
    Endovascular11 (8.4%)
Outcome of covered branchesb228
    Occluded (overall)25 (11%)
    VA23
        Occluded8 (34.8%)
    PICA49
        Occluded4 (8.2%)
    AICA78
        Occluded6 (7.7%)
    SCA61
        Occluded3 (4.9%)
    PCA17
        Occluded4 (23.5%)
Last clinical follow-up (median) (range) (mo)c8 (0.3–72)
Posttreatment mRSc
    0–299 (79.2%)
    3–512 (9.6%)
    6 (Death)14 (11.2%)
Follow-up mRSc
    Improved43 (34.4%)
    No change54 (43.2%)
    Worsened28 (22.4%)
Ischemic complications29 (22.5%)
    Timing
        Intraprocedural2 (1.6%)
        Postprocedural27 (20.9%)
    Location
        Brain stem13 (10.1%)
        Cerebellum13 (10.1%)
        PCA territory10 (7.8%)
    Symptomatic17 (13.2%)
        Temporary6 (4.7%)
        Permanent11 (8.5%)
Territory of ischemic complications
    Same as covered branch21 (72.4%)
    Different8 (27.6%)

  • Note:—SCA indicates superior cerebellar artery.

  • ↵a Data were missing on 3 aneurysms.

  • ↵b Each covered branch was considered separately.

  • ↵c Data were missing on 4 procedures.