6, showed superior outcome prediction than MELD (c-statistic for SOFT = 0.7; for MELD = 0.63; 3-month post-LT survival) with the main variables being previous LT and pre-LT life support.26 In 2010, SF was reported as a prognostic parameter in patients on the waiting list.17 This observation is interesting,
because SF not only represents a parameter for iron homeostasis27 but has also been linked to systemic inflammatory and cytokine-mediated processes spanning conditions including metabolic syndrome,28 mTOR inhibitor rheumatological disease,29, 30 and hemodialysis,19 in which it is associated with increased mortality.19 We observed that patients with high SF concentrations before LT exhibited an inferior survival following LT.31 In this study, we therefore analyzed survival, SF, and transferrin
saturation (TFS) in two independent LT cohorts. The results suggest that elevated SF in combination with low TFS prior to LT is an important predictor of mortality following LT. AIH, autoimmune hepatitis; HCC, hepatocellular carcinoma; ICU, intensive care unit; INR, international normalized selleck chemicals llc ratio; LT, liver transplantation; MELD, Model for End-Stage Liver Disease; NPV, negative predictive value; PBC, primary biliary cirrhosis; PPV, positive predictive value; PSC, primary sclerosing cholangitis; SALT, survival after liver transplantation; SD, standard deviation; SF, serum ferritin; TFS, transferrin saturation. In this retrospective cohort study, all consecutive adult patients with chronic end-stage liver disease, who underwent a first LT at Hannover Medical School, Hannover, Germany, between January 1, 2003, and April 1, 2008,
were included. After the exclusion of patients with fulminant liver failure (n = 38), multiple organ transplantation (n = 39), living donor LT (n = 16), and 16 patients with a diagnosis of hemochromatosis, 354 patients remained to be analyzed. Laboratory data on the last clinic visit prior to the day of LT were obtained from the patient’s medical documentation record. Based on these data, we calculated the MELD and the SALT scores as described.1, 25 Serum sodium was measured immediately prior LT in addition to the documentation of demographics and etiologies of liver diseases. SF (immunochemical Montelukast Sodium assay; Roche Diagnostics, Mannheim, Germany),32 TFS, and serum iron were routinely measured at the time of evaluation for LT. In 92.7% of the 354 patients fulfilling the inclusion criteria, pretransplant SF was available; therefore, 328 of 354 patients remained for further analyses. The mean time from transplant evaluation measurement of SF and TFS to the day of LT was 393 ± 575 days. The end of the study period was April 1, 2010, so that all patients were followed either until death or for at least 2 years after LT. The primary endpoint of this study was patient survival at the end of follow-up.
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