Table 3.

Periprocedural complications

Flow diverter could not be delivered through microcatheter	2 (2%)
Flow diverter did not open	3 (3%)
Flow diverter twisted	1 (1%)
Flow diverter displaced(proximally, distally)	6 (6%) [4, 2]
Fish mouthing of the DED *(proximal, distal)	11 (11.5%) [9, 2]
ICA dissection	1 (1%)
Parent vessel occlusion(thrombus, DED related)	4 (4%) [1, 3]
Multiple embolic infarcts	1 (1%)
Symptomatic intracranial hemorrhage	1 (1%)
Femoral artery pseudoaneurysm, groin hematoma, retroperitoneal hematoma	4 (4%)

*Eight cases signaled by core laboratory, three cases reported by enrolling center; ICA=internal carotid artery.

DED, Derivo embolization device.