Table 2.

Results of percutaneous transjejunal biliary intervention (PTJBI) for benign biliary strictures and stones

Benign strictures and stones
			No. of interventions per patient		No. of interventions per year		Interval between biliary-enteric anastomosis and initial PTJBI (weeks)		Interval between interventions (weeks)
	n (%)	Interventions	Mean	Range	Mean	Range	Mean	Range	Mean	Range
Diagnosis
Post-cholecystectomy injury	39 (62%)	272	7	1–40	1.45	0.29–3.33	202.4	2.7–1,279.6	49.3	0.3–314.1
Recurrent pyogenic cholangitis	6 (9.5%)	90	15	3–40	2.34	1.60–3.25	69.5	3.7–253.1	19.5	14.0–32.9
Primary sclerosing cholangitis	6 (9.5%)	39	6	2–13	0.90	0.40–1.30	40.3	2.3–211.3	79.4	36.0–79.4
Caroli’s disease	7 (11%)	73	10	1–32	1.40	0.30–3.56	130.7	3.9–498.0	87.9	14.3–223.4
Other	5 (8%)	20	4	1–7	2.17	1.00–3.50	44.9	4.9–149.1	20.2	2.9–36.8
Total	63	494	8		1.7 (p = 0.016)		98.0 (p > 0.05)		51.3 (p = 0.041)
Bismuth classificationa
Bismuth I and II	18 (46.2%)	90	5	1–17	1.30	0.30–3.00	312.3	2.7–1279.6	57.7	11.2–228.1
Bismuth III	8 (20.5%)	47	6	1–14	1.31	0.29–2.00	212.8	6.0–770.9	69.5	0.3–314.1
Bismuth IV	13 (33.3%)	135	10	1–40	1.78	1.00–3.33	84.0	6.9–209.6	26.6	9.4–57.1
Total	39	272	7		1.45 (p > 0.05)		202.4 (p > 0.05)		49.3 (p > 0.05)
Dominant underlying pathology
Stone group	15 (23.8%)	118	8	1–32	1.23	0.30–3.56	78.1	2.3–498.0	43.9	0.3–314.1
Stricture group	48 (76.2%)	376	8	1–40	1.69 (p = 0.045)	0.29–3.50 (p = 0.031)	178.3	2.7–1,279.6	72.8 (p = 0.016)	2.9–223.4

a Post-cholecystectomy injury patients only