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KMID : 0361120220360030165
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Korean Journal of Transplantation
2022 Volume.36 No. 3 p.165 ~ p.172
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Anatomical limits in living donor liver transplantation
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Kin Pan Au
Kenneth Siu Ho Chok
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Abstract
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We review the anatomical limits of living donor liver transplantation. Graft size is the fundamental challenge in partial liver transplantation. Insufficient graft size leads to small-for-size syndrome, graft failure, and graft loss. However, smaller grafts can be used safely with surgical techniques to optimize outflow and modulate inflow, thereby minimizing portal hyperperfusion. Meanwhile, anatomical variations are common in the vascular and biliary systems. These variants pose additional challenges for vascular and biliary reconstruction. Recognition and appropriate management of these variants ensure donor safety and reduce recipient morbidity. The ultimate principle of partial liver transplantation is to ensure a sufficient graft volume with unimpeded outflow and reconstructable vascular and biliary systems. On this basis, the anatomical limits of living donor liver transplantation can be safely expanded.
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KEYWORD
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Living donor liver transplantation, Small for size syndrome, Inflow modulation, Biliary reconstruction, Liver transplantation
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