Development of biodegradable radiopaque microsphere for arterial embolization-a pig study

Table 2 Hemodynamic changes of liver before and after embolization

Treatment	Non-embolized	Embosphere	Microsphere	Gelfoam
	(n = 3)	(n = 3)	(n = 2)	(n = 2)
Blood volume1	12.75 ± 0.69	9.60 ± 1.48	9.42 ± 0.24	10.22 ± 1.24
Mean decrease		3.16 ± 0.82	3.33 ± 0.73	2.54 ± 0.82
P value		0.008	0.004	0.021
Time to Start2	11.40 ± 1.57	15.44 ± 2.10	15.91 ± 0.39	15.44 ± 1.74
Mean delay		4.04 ± 1.33	4.51 ± 1.19	4.04 ± 1.33
P value		0.023	0.009	0.023

¹Blood volume estimated by arterial enhancement;

²Time elapsed from contrast injection to the beginning of arterial enhancement; Data was expressed as mean ± SD; P value: Embolized group vs non-embolized group by one way ANOVA test with LSD post-hoc test.