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Assessment of liver function using fasting bile salt concentrations in psoriasis prior to and during methotrexate
Abstract:
To determine if fasting bile salt concentrations are an accurate indicator of pre-existing and methotrexate-induced liver disease in patients with psoriasis, the plasma concentrations of conjugated cholate, chenodeoxycholate and sulpholithocholate were measured in 18 patients being assessed for methotrexate therapy and 21 receiving long-term therapy. The results were compared with other liver function tests and liver histology. The liver function tests were a poor indicator of occult liver disease and, whilst fasting bile salts appeared more sensitive, they were still unreliable and inadequate for the clinical assessment of the hepatopathy associated with psoriasis. The reasons for these discrepancies are discussed.
