Table 2:

Clinical outcomes of thromboembolic and iatrogenic perforation events following unassisted and balloon-assisted coiling of cerebral aneurysms

VariableBalloon RemodelingNo Balloon Remodeling
DeathSymptomaticAsymptomaticDeathSymptomaticAsymptomatic
Periprocedural aneurysm perforation: number of cases (% incidence) in setting of recent SAH1 (1.7)0 (0)0 (0)2 (0.7)6 (2.0)5 (1.7)
Periprocedural aneurysm perforation: Number of cases (% incidence) in unruptured aneurysms1 (0.9)0 (0)1 (0.9)0 (0)2 (0.6)1 (0.3)
Thromboembolic events1 (0.4)12 (4.4)9 (3.3)10 (1.2)39 (4.6)23 (2.7)
  • Note:—SAH indicates subarachnoid hemorrhage.