| Anastomotic strictures | Non-anastomotic strictures |
| Surgical risk factors | Hepatic artery thrombosis/stenosis |
| duct size mismatch | Primary sclerosing cholangitis |
| inappropriate suturing | Prolonged ischemic time |
| hepaticojejunostomy | Autoimmune hepatitis |
| non-surgical risk factors | Cytomegalovirus |
| donor age |
|
| prior bile leak |
|
| female donor/male recipient |
|