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TABLE 2: Complications and aneurysm regrowth
Patient No. Cause Treatment Clinical Outcome
Periprocedural complications 
    3 ICA rupture/SAH Inflation of the Hyperglide balloon Parent artery occlusion with detachable balloon and coils Asymptomatic
    10, 23 Stuck catheter Catheter rupture during removing 72 h heparin IV Asymptomatic
    1, 4, 5, 9, 10 TIA 72 h heparin IV Asymptomatic
    11, 20 Steroids Improved
Postprocedural complications 
    7 ICA stenosis Onyx migration in the parent artery Acetylsalicylic acid 100 mg TIA
    5, 9, 13 ICA occlusion Onyx migration in the parent artery — Asymptomatic
Aneurysm regrowth 
    11, 13 Aneurysm regrowth — Self-expandable stent and coils Asymptomatic
Note.—ICA indicates internal carotid artery; IV, intravenously; TIA, transient ischemic attack.

Patient No.		Cause	Treatment	Clinical Outcome
Periprocedural complications
3	ICA rupture/SAH	Inflation of the Hyperglide balloon	Parent artery occlusion with detachable balloon and coils	Asymptomatic
10, 23	Stuck catheter	Catheter rupture during removing	72 h heparin IV	Asymptomatic
1, 4, 5, 9, 10	TIA		72 h heparin IV	Asymptomatic
11, 20			Steroids	Improved
Postprocedural complications
7	ICA stenosis	Onyx migration in the parent artery	Acetylsalicylic acid 100 mg	TIA
5, 9, 13	ICA occlusion	Onyx migration in the parent artery	—	Asymptomatic
Aneurysm regrowth
11, 13	Aneurysm regrowth	—	Self-expandable stent and coils	Asymptomatic