Table 4:

Complications

ComplicationTotalRupturedUnruptured
Procedure-related
    Thromboembolica28 (5.6%)7 (1.4%)21 (4.2%)
        Related to stent21 (4.2%)4 (0.8%)17 (3.4%)
            Minor14 (2.8%)2 (0.4%)12 (2.4%)
            Major7 (1.4%)2 (0.4%)5 (1%)
        Unrelated to stent7 (1.4%)3 (0.6%)4 (0.8%)
            Minor7 (1.4%)3 (0.6%)4 (0.8%)
            Major- (0%)--
    Hemorrhagica4 (0.8%)1 (0.2%)3 (0.6%)
        Aneurysm rupture2 (0.8%)1 (0.2%)1 (0.2%)
        Parent artery perforation2 (0.8%)-2 (0.4%)
    Other
        Dissectionb5 (1%)4 (0.8%)1 (0.2%)
        Groin complications23 (5%)3 (0.7%)20 (4.3%)
Disease-related (SAH)
    Vasospasm44NA
    Hydrocephalus11NA
Late complications4 (0.8%)1 (0.2%)3 (0.6%)
    In-stent stenosis4 (0.8%)1 (0.2%)3 (0.6%)
  • a Percentages are obtained over the total number of aneurysms treated (n = 500), whereas others are over the number of patients (n = 468).

  • b Dissections are unrelated to stent placement.