Endoscopic ultrasound-guided treatments: Are we getting evidence based - a systematic review

Table 4 Endoscopic ultrasound-guided cholangiography and biliary drainage

Ref.	Design	Cases	Technical success	Clinical success	Complications1
Bories et al[86]	RS	11	91%	80%	72%
Maranki et al[87]	RS	49	84%	80%	18%
Brauer et al[88]	PS	12	92%	72%	16%
Horaguchi et al[89]	PS	16	100%	94%	37%
Kim et al[90]	RS	15	80%	80%	None
Fabbri et al[91]	PS	16	75%	75%	8%
Park et al[92]	RS	57	96%	89%	47%
Hara et al[93]	PS	18	94%	94%	77%
Komaki et al[94]	RS	15	100%	100%	46%
Ramírez-Luna et al[95]	PS	11	91%	82%	18%
Shah et al[96]	RS	68	85%	85%	9%
Iwashita et al[97]	RS	40	73%	73%	12%2
Dhir et al[98]	RS	58	98%	98%	3%
Artifon et al[99]	RCT	13	100%	100%	15%
Song et al[100]	PS	15	87%	87%	47%
Kim et al[101]	PS	13	92%	84%	38%
Vila et al[102]	RS	106	70%	70%	23%
Horaguchi et al[103]	RS	21	100%	100%	10%
Hara et al[104]	PS	18	94%	89%	27%
Park et al[105]	PS	45	91%	87%	11%
Kawakubo et al[106]	RS	14	100%	100%	14%
Dhir et al[107]	RS	35	97%	97%	23%
Khashab et al[108]	RS	35	94%	91%	14%
Gornals et al[109]	RS	15	87%	73%	40%
Gupta et al[110]	RS	240	99%	87%	35%
Dhir et al[111]	RS	68	97%	97%	21%3
Kawakubo et al[112]	RS	64	95%	95%	42%
Total	27 studies	1088	91% (70%-100%)	87% (70%-100%)	29% (3%-77%)

¹Complications include: early and late, procedural- and stent-related;

²2.5% mortality (1 patient );

³4% mortality (3 patients). RCT: Randomized controlled trial; PS: Prospective study; RS: Retrospective study; NR: Not reported.