Table 3

Intra- and periprocedural complications

Intraprocedural
complication
ManagementResultClinical
consequences
Stent
size
(mm)
Vessel mismatch (mm)*Aneurysm characteristics
Intrastent distal clottingAbciximab iaSolvedNone4.5×201.3Unruptured
Paraophthalmic/saccular
Distal-end device fishmouthing due to spasmNimodipine ia + abciximab iaSolvedNone4×250.6Unruptured
A1/saccular
Distal-end device fishmouthing + clottingPTA + tirofibanSolvedNone3.75×201.6Unruptured
A1/saccular
Post/periprocedural complications
Stent thrombosis
(proximal-end malapposition)
1 hour post-procedure
Tirofiban bolus + Telescoped Leo+ stentSolvedAsymptomatic basal ganglia stroke on 24 hours CT3.5×250.4Unruptured
M1/dissecting
EVD tract hemorrhageEptifibatide shut off. Continue DAPTStable on DAPTNo neurological deficits4×20 (×2)0.2Ruptured
Supraclinoid/blister
Neurological deterioration 72 hours after FDConservative.
Continue DAPT
Hemipontine stroke on DWIWorsening on mRS (0 to 2)4×150.4Unruptured, symptomatic mid-Basilar/dissecting
Superficial groin hematomaConservative.
Compression
SolvedNone4.75×251.4Unruptured
Paraophthalmic/saccular
  • Significant when §amp;gt;1 mm.

  • *Difference between parent artery proximal and distal to aneurysm.

  • DAPT, dual antiplatelet therapy; DWI, diffusion weighted imaging; EVD, external ventricular drain; FD, flow diverter; ia, intra-arterial; mRS, modified Rankin Scale; PTA, percutaneous transarterial angioplasty.