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Outflow Reconstruction using Cryopreserved Aortic Patch in Right Lobe Living Donor Liver Transplanta

Other Title
우엽 또는 확대 우엽을 이용한 성인간 부분 간이식시 냉동 보관된 대동맥 patch를 이용한 혈류 재건술
Authors
박, 용근; 김, 봉완; 백, 옥주; 왕, 희정; 김, 명욱
Citation
Korean journal of hepato-biliary-pancreatic surgery, 11(2):53-59, 2007
Journal Title
Korean journal of hepato-biliary-pancreatic surgery
ISSN
1738-63492288-9213
Abstract
Methods: Living donor liver transplantation (LDLT) using a right lobe graft has been widely used to compensate for the cadaveric organ shortage. Successful reconstruction of the middle hepatic vein (MHV) is required to provide an adequate functional volume in LDLT with using the right lobe. We describe herein a new technique using a cryo-preserved aortic patch for outflow reconstruction of the right lobe graft with or without MHV.



Methods: From November 2005 through March 2006, 20 adult patients who received a right lobe graft (n=10) or an extended right lobe graft (n=10) for LDLT were included. During the bench procedure of the right lobe graft, we reconstructed the new MHV with using cryopreserved veins just like the MHV of the extended right lobe graft, and we then made a venous pouch to form a common trunk between the MHV (or new MHV) and the RHV of the right lobe graft with using a cryopreserved aortic patch. During graft implantation, anastomosis of an outflow tract was made between the venous pouch of the graft and the common trunk of recipient’s RHV-MHV-LHV. One week following the transplantation, measurement of the pressure gradient between the MHV and IVC was done, as well as performing regular follow-up 3D-CT scans and liver function tests.



Results: The mean pressure gradient between the reconstructed MHV and the recipient’s IVC was 2.3±1.2mmHg, and in all cases, the serial liver function tests showed gradual improvement as the days progressed post-operatively. There was no evidence of hepatic venous congestion of the graft and/or obstruction of the reconstructed MHVs according to the serial postoperative follow-up images of the Doppler US and MD-CT



Conclusion: We suggest that reconstructing the outflow tract with a cryopreserved aortic patch is a good alternative technique for preventing anterior segment congestion in LDLT with using a right lobe graft with or without MHV.
Keywords
간이식중간정맥 재건술냉동 보관된 혈관LDLTOutflow reconstructionCryopreserved aortic patch
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Surgery
AJOU Authors
박, 용근김, 봉완왕, 희정김, 명욱
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