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Table 1: Major procedural complications
Present Absent Percentage
Symptomatic cerebral hemorrhage 7 137 4.9%
Air emboli 2 142 1.4%
Emboli to new vascular territory 1 143 0.7%
Serious groin complication 4 140 2.8%
Vessel dissection 5 139 3.5%
Total number of patients 18 126 12.5%

	Present	Absent	Percentage
Symptomatic cerebral hemorrhage	7	137	4.9%
Air emboli	2	142	1.4%
Emboli to new vascular territory	1	143	0.7%
Serious groin complication	4	140	2.8%
Vessel dissection	5	139	3.5%
Total number of patients	18	126	12.5%