Table 3:

Adverse events and complications^a

	Adverse events/complications
Adverse event	Technical periprocedural adverse event	Minor adverse event	Major adverse event	Neurological morbidity	Mortality
	5 (3.1%)	21 (13.0%)	5 (3.1%)	3 (1.9%)	2 (1.2%)

^aData are absolute number of cases (relative frequency in %).