Table 1. Influence of embolic agent on the hypertrophy response.

Embolic agent	Authors	No. of patients	Increase FRL (%)
Gelatin sponge	Fujii et al. (24)	30	17.8
	Kusaka et al. (25)	18	21.2
	Kakizawa et al. (26)	14	23.8
	Nanashima et al. (27)	30	29.4
PVA + coils/plugs	Covey et al. (28)	100	24.3
	van den Esschert JW et al. (29)	10	26.1
	Libicher et al. (30)	10	26.4
N-butyl cyanoacrylate	De Baere et al. (31)	107	57.8
	Giraudo et al. (32)	146	41.7
	Elias et al. (33)	68	59.1
	Broering et al. (1)	17	69.4
Fibrin glue	Nagino et al. (34)	105	27.4
	Liem et al. (35)	15	31.4

PVA, polyvinyl alcohol.