Background: Need for routine reconstruction of all arteries in grafts with multiple arterial inflows remains an unsettled debate. The aim of following article is to review an anatomical basis of a decision-making strategy to deal with multiple arteries in living donor liver transplantation (LDLT).
Methods: LDLT performed between August 2009-2019 were included. Grafts were classified into grafts with single artery (group 1); multiple arteries, all reconstructed (group 2); and multiple arteries, one reconstructed (group 3). Frequency of double arteries in relation to graft type, type of reconstruction, incidence of arterial and biliary complications and survival was compared.
Results: 1086 LDLT were analysed (adults: 750, paediatric: 336). 1007 grafts (92.2%) had single artery (group 1), and 79 (7.8%) grafts had multiple arteries. All arteries were reconstructed in 19 (24%) patients (group 2), while 60 grafts (75.9%) had only one artery reconstructed (group 3). Left lobe (18.8%) and left lateral segments (10.7%) grafts were more likely to have multiple arteries (p = 0.001). The likelihood of reconstructing multiple arteries was similar in all graft types, 27.3% in right and 25% and 21.4% in left lobe and left lateral segments, respectively (p > 0.05). There was no difference in biliary complications (p = 0.85), hepatic artery thrombosis (p = 0.82), and post-surgical hospital stay (p = 0.38) between the three groups. The presence of multiple arteries or their selective reconstruction did not affect survival (p = 0.73).
Conclusions: Multiple arterial inflows are not an uncommon entity and demonstration of good hilar collateralization helps in avoiding unnecessary arterial reconstruction without adverse outcomes.
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| http://dx.doi.org/10.1007/s00423-021-02176-y | DOI Listing |
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