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  • Title: [Serum aminoterminal procollagen type-III peptide in the diagnosis of chronic hepatopathies].
    Author: Solís-Herruzo JA, Morillas JD, Vargas J, Colina F, Castellano G, Muñoz Yagüe T, Estenoz J.
    Journal: Med Clin (Barc); 1992 May 30; 99(1):1-5. PubMed ID: 1602891.
    Abstract:
    BACKGROUND: The aims of the present study were to 1) compare the serum levels of the aminoterminal peptide of procollagen type III (PIIIP) in patients with different chronic liver diseases, 2) correlate their concentrations with histologic features in liver biopsy and 3) evaluate their use in the diagnosis of liver diseases and in recognition of fibrosis. METHODS: With these aims PIIIP was determined in 57 patients with different chronic liver diseases and in 50 healthy donors. RESULTS: PIIIP was significantly elevated in patients with chronic active hepatitis (18.3 +/- 5.5 ng/ml; p less than 0.01) and with liver cirrhosis (27.8 +/- 11.7 ng/ml; p less than 0.001). The serum levels of this peptide related significantly with the severity of liver disease (p less than 0.001) in addition to the degree of morphometric liver fibrosis (Rs: 0.736; p less than 0.001) and with the degree of histologic activity (Rs: 0.78; p less than 0.001). The correlation between PIIIP and fibrosis was due to the relation between the same and inflammation. The levels of this peptide which were higher than 15 ng/ml were a sensitive test for the diagnosis of active liver disease (0.80) and cirrhosis (0.87) permitting differentiation between chronic and persistent active hepatitis. The differentiation between chronic active hepatitis and cirrhosis was only possible when 24 ng/ml were taken as a discriminative level. CONCLUSIONS: The comparison of serum levels of the aminoterminal peptide of procollagen type III (PIIIP) in patients with different chronic liver diseases can predict moderate or high degrees of inflammatory activity when PIIIP are higher than 15 ng/ml. This test is of use for evaluating chronic hepatopathies although the levels reflect the activity of inflammation better than the degree of hepatic fibrosis.
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