Baumann M, Witzke O, Canbay A, Patschan S, Treichel U, Gerken G, Philipp T, Kribben A. Serum C3 complement concentrations correlate with liver function in patients with liver cirrhosis.
Hepatogastroenterology 2004;
51:1451-3. [PMID:
15362774]
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Abstract
BACKGROUND/AIMS
The aim of this study was to investigate whether C3 and C4 serum complement concentrations have prognostic relevance for patients with liver cirrhosis.
METHODOLOGY
Serum complement concentrations of C3 and C4 were measured in 69 patients with liver cirrhosis and correlated with the Child-Pugh score.
RESULTS
C3 concentrations were 1.06+/-0.21 g/L in patients with Child-Pugh A liver cirrhosis and significantly lower in Child-Pugh B (0.78+/-0.24 g/L) and even lower Child-Pugh C (0.49+/-0.14 g/L) (p=0.006 B vs. A, p<0.001 C vs. B). Patients with consecutive hepatorenal syndrome (HRS) had the lowest C3 concentrations (0.44+/-0.05 g/L (Child-Pugh C +HRS) vs. 0.54+/-0.06g/dL (Child-Pugh C -HRS); p<0.05). C4 concentrations were 0.21+/-0.08 in Child-Pugh A and significantly lower in Child-Pugh B (0.11+/-0.04) and Child-Pugh C (0.09+/-0.04) patients (p<0.001). There was a negative correlation between C3 (r = -0.81, p<0.001) and C4 (r = -0.51, p<0.05) concentrations and the Child-Pugh score.
CONCLUSIONS
Serum complement concentrations of C3 and C4 correlate negatively with the Child-Pugh score in patients with liver cirrhosis. C3 concentrations are lower in those Child-Pugh C cirrhosis patients with consecutive development of HRS.
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