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KMID : 0361120110250030176
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Korean Journal of Transplantation
2011 Volume.25 No. 3 p.176 ~ p.183
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Hepatic Arterial Complications after Liver Transplantation: A Single-Center Experience
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Lee Keun-Jeong
Choi Sang-Tae
Min Chung
Lee Jung-Nam
Lee Woon-Ki
Baek Jeong-Heum
Kim Keon-Kuk
Kang Jin-Mo
Lee Won-Suk
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Abstract
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Background: We wanted to explore performing hepatic arterial reconstruction in living donor liver transplantation (LDLT) using right lobe liver grafts and cadaveric liver transplantation (CLT) in a single center.
Methods: Thirty five LDLTs were performed from April 2005 to August 2009. The back wall support suture without twisting was used in most cases. A single RHA was anastomosed to the RHA in 24 patients, to the proper HA in 2 patients, to the RAHA in 4 patients, to the LHA in 2 patients and to an aberrant RHA arising from the SMA in 3 patients. The diameter of the donor RHA was between 1.5 mm and 3.0 mm (mean: 2.5 mm). In the 34 patients who underwent CLT, most of the arterial anastomoses were usually performed using two cuffs at the recipient HA and the GDA bifurcation and a branching point on the donor CHA with running and intermittent stay suture.
Results: The total incidence of HA complication was 4.34% (3/69): 1 HAT (2.85%) occurred in a case of LDLT and 2 HAS (5.88%) occurred in a case of CLT. HAT occurred in 1 recipient on the 1st day following LDLT and 2 HAS occurred in CLT recipients at one and two months, respectively, following LDLT.
Conclusions: HA complications occurred as a mild type of late complication and these complications might not be fatal in CLT. A low incidence of HAT can be achieved with using non-twisting method-guided microsurgical techniques for creating hepatic arterial anastomosis in LDLT. When early HAT occurs, early surgical reconstruction is mandatory for preventing the loss of the graft. Back wall sutures with only single needle suture might be a feasible method for HA microsurgical reconstruction.
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KEYWORD
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Hepatic artery, Thrombosis, Arterial occlusive disease, Liver transplantation
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