Table 2.

Comparison of studies published before and after 2010

Criteria	Published before 2010 (n=9)	Published in 2010 or later (n=13)
Number of patients, range	54–306	50–406
Flush aortogram	Done in 8/9 studies, not done by Goh et al. (19)	Done in 11/13 studies. Not done by Pei et al. (8) and Fruchter et al. (9)
Superselective catheterization	Done in 4/9 studies (44%); all 4 studies published after 2002	Done in 11/13 studies Not done by Pei et al. (8) and Fruchter et al. (9)
Chief embolizing agent	Gelatin sponge alone (n=4) PVA ± gelatin sponge (n=3)	PVA ± gelatin sponge (n=8)
Other/additional embolizing agents	Coils in 4 studies Glue in 1 study Details not available in 2 studies	Coils and microcoils in 6 studies Glue in 4 studies Embospheres/microspheres in 2 studies Gelatin sponge alone in 1 study
PVA sizes (μm), range	300–600	150–1200 (most common 355–500)
Immediate clinical success (%), range	70–99	82–98.5
Recurrence rate (%), range	15.5–47	9.8–57.5
Major complication rate (%), range	0–4.7	0–6.6