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Live Donor Partial Liver Harvest for Canine Liver Transplantation: Development of an Innovative Technique for Surgical Training and Research

Authors
 Ku-Yong Chung  ;  Myoung Soo Kim  ;  Jong Hoon Lee  ;  Yu Seun Kim  ;  Kum Ja Choi  ;  Yong Man Choi 
Citation
 SURGERY TODAY, Vol.32(8) : 711-715, 2002 
Journal Title
 SURGERY TODAY 
ISSN
 0941-1291 
Issue Date
2002
MeSH
Animals ; Dogs ; Female ; General Surgery/education ; Liver Transplantation/methods* ; Living Donors* ; Male ; Models, Animal ; Tissue and Organ Harvesting ; Transplantation, Homologous
Keywords
Canine partial liver transplantation ; Surgical technique
Abstract
Purpose. Most models of canine segmental liver transplantation use about 40% of the total liver volume including the left lateral and medial segments, an approach which is associated with some shortcomings. First, during live donor harvest, a necrotic segment requiring further resection is unavoidable after removal of the donor segments; and second, to harvest the left lobe, two dissection planes must be used. This creates some technical bias and limitations in designing a canine research model. Herein, we report a new technique of harvesting up to 70% of the liver in dogs. Methods: The right medial and quadrate segments, the left lobe, and the papillary process of the caudate lobe were resected and harvested for transplantation. We divided the middle hepatic vein to enable a single parenchymal dissection between the right medial and lateral segments and no perfusion defect was seen. Using this technique, we performed orthotopic autoauxiliary transplantation (n= 6) and orthotopic alloauxiliary transplantation (n= 5) in dogs. Results: All dogs transplanted with an autograft were alive at the completion of surgery. All donor dogs providing 70% of the liver volume for allografts were alive 1 week after surgery, and all five allograft recipient dogs were alive 48 h after surgery, at which point they were killed. Conclusions: This novel experimental technique of partial living donor liver transplantation using about 70% of the liver allows for easier harvest and effective live donor partial liver transplantation. Moreover, the fact that division of the liver parenchyme can be done without leaving a necrotic segment shows the possibilities for various research models of ischemic-reperfusion injury. This technique allows us to divide the liver in situ, then subject the right segment of the liver to various insults or remedies for comparison.
Full Text
http://link.springer.com/article/10.1007%2Fs005950200132
DOI
10.1007/s005950200132
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Yu Seun(김유선) ORCID logo https://orcid.org/0000-0002-5105-1567
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/143943
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