Impact of previous cyst-enterostomy on patients’ outcome following resection of bile duct cysts

Table 1 Patients’ demographic data, todani bile duct cyst subtypes and imaging studies

	Patient with previous CE	Patient without previous CE	Total	P value
Patients	16	227	243	-
Median age (yr) at the time of BDC resection	47.8 (26-60)	29.2 (0-81)	30.8 (0-81)	0.0074
Sex ratio F/M	7	3.73	3.8	0.5359
Adults/children	16/0	148/79	164/79	0.0041
ASA score1
1 or 2	15 (93.75%)	217 (95.6%)	232 (95.0%)	0.5350
≥ 3	1 (6.3%)	10 (4.4%)	11 (4.5%)
Types of imaging studies
None (incidental detection)	1 (6.3%)	2 (0.9%)	3 (1.2%)	0.1855
Percutaneous ultrasound	8 (50.0%)	188 (82.8%)	196 (80.7%)	0.0042
Computed tomography	7 (43.8%)	119 (52.4%)	126 (51.9%)	0.5022
MR- cholangiography	9 (56.3%)	138 (60.8%)	147 (60.5%)	0.7194
ERCP	7 (43.8%)	40 (17.6%)	47 (19.3%)	0.0186
Endoscopic ultrasound	8 (50.0%)	36 (15.9%)	44 (18.1%)	0.0026
Percutaneous cholangiography	0	17 (7.5%)	17 (7.0%)	0.6115
Intravenous cholangiography	2 (12.5%)	13 (5.7%)	15 (6.2%)	0.2583
Intraoperative cholangiography	0	6 (2.6%)	6 (2.5%)	1.0000
Todani bile duct cyst types
Type I	16	221	237
Type IVB	0	6	6	1.0000
MBC adequately analyzed	12 (75%)	196 (86%)	208 (85.5%)
Cyst involvement of MBC	5/12 (41.6%)	47/196 (24.0%)	52 (21.4%)	0.3173
MBC-1	3	39	42
MBC-2	2	8	10	0.2420
Presence of PBM adequately explored	10	180	190
Presence of anomalous PBM	8 (80.0%)	141 (78.3%)	149 (78.4%)	1.0000

¹The American Society of Anesthesiology physical status score; CE: Cyst-enterostomy; ERCP: Endoscopic retrograde cholangio-pancreatography; PBM: Pancreato-biliary malunion; MBC: Main biliary confluence.