Transplantation proceedings · 2005
Hepatic ischemia/reperfusion injury can be modulated with thymoglobulin induction therapy.
Клиническое исследованиеСтатьяРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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Bogetti D, Jarzembowski T M, Sankary H N, Manzelli A, Knight P S, Chejfec G, Cotler S, Oberholzer J, Testa G, Benedetti E
Аннотация
BACKGROUND: Thymoglobulin induction therapy has been shown to ameliorate delayed graft function and possibly decrease ischemia reperfusion injury in cadaver renal transplant recipients. This controlled randomized trial was designed to assess whether thymoglobulin also protects liver transplant recipients from ischemia reperfusion injury.
PATIENTS AND METHODS: Twenty-two cadaver liver transplant recipients were randomized to receive either thymoglobulin (1.5 mg/kg per dose) during the anhepatic period and two doses every other day or no thymoglobulin. No differences in recipient or donor demographics were present. Maintenance immunosupression consisted of tacrolimus (or cyclosporine) and steroids for both groups. Donor biopsies were obtained during organ procurement, cold storage, and 1 hour after revascularization. Postoperative liver function tests were monitored. Early graft function, length of stay, patient and graft survival rates, incidence of primary nonfunction, and rate of rejection were assessed.
RESULTS: Patient and graft survival at 3 months was 100%. There was no incidence of primary graft nonfunction and no need for retransplantation. The incidence of acute rejection was similar between the two groups. Although donor livers randomized to thymoglobulin had less optimal preimplantation biopsies, these recipients had significant decreases in ALT at day 1 compared to the control group (P = .02), near significant decreases of total bilirubin at day 5, and shorter length of hospitalization.
CONCLUSION: Thymoglobulin allowed for more compromised liver grafts to be transplanted with less clinical evidence of ischemia reperfusion injury and improved function.
PATIENTS AND METHODS: Twenty-two cadaver liver transplant recipients were randomized to receive either thymoglobulin (1.5 mg/kg per dose) during the anhepatic period and two doses every other day or no thymoglobulin. No differences in recipient or donor demographics were present. Maintenance immunosupression consisted of tacrolimus (or cyclosporine) and steroids for both groups. Donor biopsies were obtained during organ procurement, cold storage, and 1 hour after revascularization. Postoperative liver function tests were monitored. Early graft function, length of stay, patient and graft survival rates, incidence of primary nonfunction, and rate of rejection were assessed.
RESULTS: Patient and graft survival at 3 months was 100%. There was no incidence of primary graft nonfunction and no need for retransplantation. The incidence of acute rejection was similar between the two groups. Although donor livers randomized to thymoglobulin had less optimal preimplantation biopsies, these recipients had significant decreases in ALT at day 1 compared to the control group (P = .02), near significant decreases of total bilirubin at day 5, and shorter length of hospitalization.
CONCLUSION: Thymoglobulin allowed for more compromised liver grafts to be transplanted with less clinical evidence of ischemia reperfusion injury and improved function.