Efficacy, Safety, and Long-Term Follow-Up Results of EUS-Guided Transmural Drainage for Pancreatic Pseudocyst

Table 2

Technical success rate of initial drainage.

Access route	Stomach	88.3% (53/59)
	Duodenum	75% (6/8)
Success rate of procedure	External drainage	83.7% (36/43)
	Internal drainage	95% (19/20)
	Internal and external drainage	100% (3/3)
	Puncture and aspiration only	100% (1/1)
Total*		88.1% (59/67)

∗The rate was defined as the cases that the procedures accomplished as planned successfully. Failed 8 cases had puncture and aspiration later.