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Erschienen in:
05.12.2020 | Original Article
Double-blind placebo-controlled randomized trial of N-acetylcysteine infusion following live donor liver transplantation
Erschienen in: Hepatology International | Ausgabe 6/2020
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Background
The role of N-acetylcysteine (NAC) in improving outcomes following live donor liver transplantation (LDLT) is not well established. We designed a randomized double-blind placebo-controlled trial to study the role of NAC infusion in recipients undergoing LDLT.
Methods
We assigned 150 patients who underwent LDLT by computer-generated random sequence on 1:1 ratio to either NAC group or placebo group. Patients in the NAC group received NAC infusion which was started at beginning of graft implantation at an initial loading dose of 150 mg/kg/h over 1 h, followed by 12.5 mg/kg/h for 4 h and then at 6.25 mg/kg/h continued for 91 h. Placebo group received normal saline. The primary endpoint was composite occurrence of acute kidney injury (AKI) and early allograft dysfunction (EAD) in the recipient. Secondary endpoints included levels of bilirubin, aspartate aminotransferase (AST), alanine aminotransferase (ALT), creatinine, INR, primary graft non-function, intraoperative bleeding, post-transplant hospital stay and in-hospital mortality.
Results
The composite endpoint did not show any significant difference between the NAC and placebo group (21.3% vs 29.3%, p = 0.35). Peak AST (425.65 IU/L vs 702.24 IU/L, p = 0.02) and peak ALT (406.65 IU/L vs 677.99 IU/L, p = 0.01) levels were significantly lower in the study group. Time to normalization of transaminases was also significantly low in the study group.
Conclusions
Perioperative NAC infusion following LDLT resulted in significantly lower postoperative AST and ALT levels. Rapid normalization of transaminases was also observed. This, however, did not translate to improvement in AKI or EAD.