Value of radiofrequency ablation in the treatment of hepatocellular carcinoma

Table 1 Characteristics of studies using radiofrequency ablation as a pretransplantation bridge therapy

Ref.	n	Tumor size (cm)	RFA→LT interval (mo)	Dropout	Radiologic response necrosis	Pathologic response necrosis	Satellites found in explants	Follow-up after LT (mo)	Survival
									1-yr	3-yr
Pulvirenti et al[34]	14	3.50	8.0	0.0%	90.7%	86.4%	57.0%	16.0	100.0%	100.0%
Fontana et al[35]	33	3.60	7.9	21.7%	66.0%	-	-	26.9	85.0%	85.0%
Mazzaferro et al[36]	50	2.75	9.5	0.0%	70.0%	55.0%	28.0%	22.0	95.0%	83.0%
Pompili et al[37]	40	2.80	8.6	0.0%	75.0%	46.7%	14.0%	34.4	91.9%	85.4%
Lu et al[38]	52	2.50	8.7	5.8%	89.6%	70.3%	24.0%	14.9	85.0%	76.0%
Brillet et al[39]	21	2.40	11.9	24.0%	76.0%	75.0%	44.0%	25.0	-	-
DuBay et al[40]	77	2.50	9.5	21.0%	83.0%	-	-	30.0	-1	-1

¹No significant difference compared with untreated groups. LT: Liver transplantation; RFA: Radiofrequency ablation.