HP Barros Scheloꢀo y col. Facꢂbilidad de la biparꢂción hepáꢂca derecha-izquierda in situ. Rev Argent Cirug 2019;111(2):99-103
103
ble when there is willingness to work.
with the leꢃ graꢃ and maintaining a GRWR > 0.8 and
Humar published his experience with in situ reported a 3-year survival rate of 74% 12. Vagefi repor-
right-leꢃ spliꢄng of the liver. The first topic to discuss is ted survival rates at 10 years of 74% for right graꢃs and
if spliꢄng of the liver should be performed in situ or ex 66% for leꢃ graꢃs with ex situ liver spliꢄng 13
.
situ. There is insufficient evidence to draw conclusions. Another maꢁer for discussion is the division of the ele-
In situ liver spliꢄng reduces the possibility of primary ments of hepaꢀc hilum. We consider that intraoperaꢀ-
1
2
nonfuncꢀon and biliary complicaꢀons . The outco- ve cholangiography is absolutely necessary. The portal
mes of ex situ liver spliꢄng were published by Vagefi. vein does not cause much discussion. There is much
Although paꢀent survival and graꢃ survival were both controversy about the hepaꢀc artery, which is secꢀo-
7
4% for right liver graꢃs and 66% and 78%, respecꢀvely, ned depending on the origin of the segment 4 hepaꢀc
for leꢃ liver graꢃs, biliary complicaꢀons were greater (> artery. If the artery originates from the right hepaꢀc
artery, it should be secꢀoned above its origin. For arte-
We always have to evaluate the size of the gra- ries originaꢀng from the leꢃ hepaꢀc artery, the level of
1
3
.
6
0%) parꢀcularly for leꢃ liver graꢃs
ꢃ and recipient and the extent of liver disease. Paꢀents secꢀon is chosen. We prefer to retain the main bile duct
with severe portal hypertension and high MELD score in the right graꢃ.
are not the best candidates. In our recipients, the addi-
ꢀ
Split liver transplantaꢀon should be standar-
onal MELD points were an advantage. We consider dized in order to increase its applicability. In situ liver
that GRWR should be > 0.8. The vena cava was retained spliꢄng is preferred and the distribuꢀon of the vascular
in the leꢃ liver graꢃ because the recipient had portal and biliary elements should be defined according to the
hypertension > 20 mm Hg and needed a large graꢃ. recipients.
Zimmerman et al. observed that MELD scores were sig-
nificantly lower when comparing recipients of a right Acknowledgments: we thank the staff of the INCUCAI,
liver graꢃ to recipients of whole liver graꢃs. Transplant CUCAITuc, and intensive care unit and operaꢂng room
recipient weight was lower for right graꢃ paꢀents when of the Hospital A. Padilla of Tucumán. Without their
1
4
compared to recipients of whole liver graꢃs . Humar efforts and willingness, this procedure would not have
recommended retaining the middle suprahepaꢀc vein been possible.
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