• Department of Hepatobiliary Surgery, Affiliated Ganmei Hospital of Kunming Medical University (The First People’s Hospital of Kunming), Kunming 650011, P. R. China;
RAN Jianghua, Email: rjh2u@163.com
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Objective  To establish a stable model of orthotopic liver transplantation (OLT) using donation after cardiac death (DCD) in rat, and to analyze death causes within 24 h after OLT, then explore appropriate treatment strategies for it. Methods  The heart arrested 10 min before liver graft harvesting. The rat OLT model using DCD was performed by Kamada two-cuff technique. The operative time and death were recorded. Results  One hundred OLT models using DCD were performed successfully within 40 d, the donor operative time was (20±5) min, the recepient operative time was (55±5) min, the anhepatic phase was (20±3) min. Nine rats were died during the operation, including 4 cases of massive haemorrhage, 1 case of anesthesia accident, 1 case of longer anhepatic phase, 1 case of sleeve implant failure, and 2 cases of aeroembolism. Twenty-two rats died within 12 h after the operation, including 6 cases of intestinal necrosis, 6 cases of anastomotic bleeding, 3 cases of pulmonary edema, 4 cases of intraoperative massive haemorrhage, 2 cases of vascular embolism, and 1 case of unexplained death. Nineteen rats died 12–24 h after the operation, including 9 cases of intestinal necrosis, 3 cases of anastomotic bleeding, 2 cases of pulmonary edema, 1 case of intraoperative massive haemorrhage, 1 case of vascular embolism, and 3 cases of unexplained death. Conclusions  There are many reasons resulting in early death of rat OLT using DCD, postoperative intestinal necrosis, intraoperative and postoperative bleeding, and postoperative pulmonary edema are main causes. For these reasons, prevention and improvement measures are helpful to establish a stable model and improve a successful rate of rat OLT using DCD.

Citation: HUANG Zhaoyu, WU Ruichao, RAN Jianghua, LIU Junhan. Analysis of early death causes following orthotopic liver transplantation using donation after cardiac death in rat. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2018, 25(3): 296-300. doi: 10.7507/1007-9424.201709042 Copy

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