Objective To establish a rat model of abdominal heterotopic working-heart transplantation.Methods Thirty Wistar rats were obtained from Shanghai SLAC Laboratory Animal Company.Heterotopic hearts were transplanted u-sing end-to-side anastomosis between the donor's pulmonary artery and the donor's left atrium,and between the donor's as-cending aorta and the recipient's abdominal aorta.Results Fifteen heterotopic working-heart transplantation models were performed and 11 rats survived.The mean ischemic time wa...