[Indications and timing of liver transplantation] (original) (raw)

PubMed, 2008

Abstract

Liver transplantation (OLT) is indicated in patients with severe and irreversible acute or chronic liver disease without alternative therapy and in the absence of contraindications. Indications for OLT can be grouped in four categories, namely cirrhosis, fulminant hepatitis, malignant hepatic tumors and liver-based genetic defects that trigger damage of other organs. Patients with cirrhosis should be referred for OLT after the onset of any of the major complications or coagulopathy. Early referral is crucial in fulminant hepatitis due to the high mortality with medical therapy and the unpredictable nature of this condition. Ideal timing for OLT is the moment in the natural history of the disease when the expected survival of patients on the waiting list is higher with than without OLT. Recent data suggest that maximal benefit of OLT is obtained in patients with a MELD score >15. However, in some cases with no imminent risk of death, OLT is indicated to improve quality of life or to prevent contraindications such as progression of hepatocellular carcinoma. At present, there is a marked disproportion between the number of donors available and the growing number of patients listed worldwide, which in turn has resulted in prolongation of the time-interval to OLT and waitlist mortality. The rationale of allocation systems utilizing the MELD score is to prioritize on the waiting list patients with severe liver dysfunction ("the sickest first") and those with hepatocellular carcinoma who may loose the benefits of OLT when waitlist time exceeds eight months.

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