Hepatobiliary scintigraphy for detecting biliary strictures after living donor liver transplantation

Table 1 Baseline clinical characteristics of the patients

Variable	Result
Age (yr), mean ± SD	51.5 ± 8.25
Male/female, n (%)	82/22 (79/21)
Indication for liver transplantation, n (%)
Hepatic failure	52 (50)
HBV infection	33 (31.7)
HCV infection	5 (4.8)
Others	14 (13.5)
Malignancy	52 (50)
HCC, HBV-related	41 (39.4)
HCC, HCV-related	7 (6.7)
Others	4 (3.9)
Interval between LDLT and HIDA scan, d, median (range)	294.5 (25-1490)

HBV: Hepatitis B virus; HCV: Hepatitis C virus; HCC: Hepatocellular carcinoma; LDLT: Living donor liver transplantation; HIDA: Hepatic iminodiacetic acid.

Table 2 Baseline laboratory characteristics of the subjects

Laboratory test	Result
Bilirubin, mg/dL, median (range)	3.7 (0.6-44)
AST, U/L, median (range)	85 (15-336)
ALT, U/L, median (range)	132 (6-798)
ALP, U/L, median (range)	271 (65-988)
GGT, U/L, median (range)	297 (28-1491)
Change of bile duct size, n (%)
Present	61 (58.7)
None	43 (41.3)
Stricture on the cholangiogram, n (%)
Present	89 (85.6)
None	15 (14.4)

AST: Aspartate aminotransferase; ALT: Alanine aminotransferase; ALP:Alkaline phosphatase; GGT: γ-glutamyl transferase.

Table 3 Results of hepatic iminodiacetic acid scans and cholangiograms

	Normal	Parenchymal dysfunction	Biliary obstruction	Bileleakage	Total
	8 (7.7)	41 (39.4)	54 (51.9)	1 (1)	104 (100)
Stricture on cholangiogram	6	32	50	1	89
No stricture on cholangiogram	2	9	4	0	15

Data expressed as the number (%).

Table 4 Diagnostic accuracy of the change in bile duct size in detecting post-living donor liver transplantation biliary strictures

	Stricture on cholangiogram (+)	Stricture on cholangiogram (-)	Total
Change in bile duct size (+)	58	3	61
Change in bile duct size (-)	31	12	43
Total	89	15	104