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29 June 2012

Technical guidelines for porcine liver

Majid Esmaeilzadeh, Arash Nickkholgh, Ali Majlesara, Mohammadreza Hafezi, Camelia Garousi, Koosha Ghazi-Moghaddam, Alireza Faridar, Mohammad Golriz, Hamidreza Fonouni, Arianeb Mehrabi

DOI: 10.12659/AOT.883228

Ann Transplant 2012; 17(2): 101-110

Abstract

Experimental animal research has been pivotal in the development of clinical liver transplantation (LTx). Results obtained in these experiments have been applied in clinic and clinical challenges have been scrutinized in animal laboratories. Porcine model is an optimal model in the field of experimental LTx research. Here, we present the various techniques of experimental LTx in the porcine model in detail. Different methods and modifications have been described. The following major steps have been discussed in detail: donor liver preparation, recipient operation including recipient hepatectomy, and reconstruction phase, including the reconstruction of suprahepatic inferior vena cava (SHIVC), portal vein (PV), infrahepatic inferior vena cava (IHIVC), hepatic artery (HA) and bile duct (BD). IHIVC and SHIVC are anastomosed end to end directly or with the use of prosthesis anastomosed side to side. The PV anastomosis is performed end to end between donor and recipient PV, Cuff method or Stump method. Arterialization has been accomplished via carrel patch or donor HA end to end with recipient HA. There are three major methods for reconstruction of BD: end to end or end to side choledochocholedochostomy or choledojejunostomy with Roux-en-Y jejunal loop. Each method has advantages and disadvantages regarding the objectives of the study; the most physiological techniques may be preferred for long-term survival studies, while the faster techniques may be selected for experimentations aiming the direct postoperative phase.

Keywords: Liver Transplantation, Experimntal Transplantation, porcine model

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Annals of Transplantation eISSN: 2329-0358
Annals of Transplantation eISSN: 2329-0358