The evolution of liver fibrosis in patients with viral hepatitis C after treatment with direct-acting antiviral drugs
Keywords:
APRI, Fib-4, cirrhosis, HCV, antiviral treatmentAbstract
Treatment with direct-acting antiviral drugs (DAAs) offers a chance of cure for most patients with VHC, regression of liver fibrosis, and to prevent the progression to liver cirrhosis, which can lead to decompensated cirrhosis and hepatocellular carcinoma. Noninvasive methods of fibrosis assessment, such as the APRI index and Fib-4 score, offer the possibility of monitoring the progression of liver fibrosis. The study included 310 patients with liver cirrhosis, divided into two groups according to the duration and regimen of treatment. Of the 310 patients with VHC cirrhosis treated with DAAs, 290 (93.5%) achieved SVR12. At the start of treatment, the average fibrosis was 28.0±11.5 kPa, of which 201 (64.8%) patients had advanced liver cirrhosis with a median >20 kPa, APRI index >2 - in 167 (53.9%) of them. One year after RVS12, a reduction in the median fibrosis of 4.2 kPa was observed using elastography, and four years after RVS12, a reduction of 14 kPa was observed (P < 0.0001). The FIB-4 score >3.25 in 215 (69.4%) at the beginning of treatment was maintained in 91 (29.4%) patients, the APRI index >2 being in 167 (53.9%), remained between 1-2 in 10 (3.2%), and no patient had an APRI >2 (P < 0.0001). Cure of HCV infection is associated with regression of liver fibrosis after PAAD treatment, as evidenced by decreased APRI, FIB-4, and elastography scores, regardless of treatment regimen and duration.
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