Liver cirrhosis in the Moscow Region: figures and facts

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The majority of deaths related to complications of liver cirrhosis would have been preventable with timely diagnosis and proper treatment. However, absence of the population-based screening programs for hepatitis, an asymptomatic course of the majority of liver disorders, failures in the registration of etiologically confirmed cases of liver cirrhosis, low population awareness of its risks and of current diagnostic and management opportunities do impede the collection of reliable epidemiological data on the incidence and prevalence of liver disorders including their end-stages, and on the related mortality of the population; as a consequence, all these factors hinder a comprehensive assessment of the medical and social burden of hepatic disorders. Medical registries are the single system for their registration and follow-up. Analysis of data from the Moscow Regional Registry of patients with liver disease has shown that the leading cause of liver cirrhosis is HCV infection (66%), with alcoholic liver cirrhosis ranking second (16.1%). There is a trend towards higher proportions of liver cirrhosis as an outcome of HCV hepatitis among newly referred patients (7.2% in 2012 and 10.6% in 2016). HCV genotype characteristics determine the rates of the disease progression: in those with genotype 3, liver cirrhosis would occur at an earlier age (51.8% of patients aged from 26 to 45) than with genotype 1 (58.7% of patients aged from 46 to 65). In older patients, various comorbidities can contribute to the development of liver cirrhosis. Among patients with HBV infection, 4.9% have liver cirrhosis, and most of patients receive antiviral treatment with nucleoside/nucleotide analogues. The highest percentage of liver cirrhosis has been found in the patients with chronic D hepatitis (46/116, 39.7%). In 10.3% of the patients with chronic D hepatitis, the aggressive course of the disease leads to primary liver cancer. Thus, the necessity of the development of prevention measures and early detection of liver disorders, as well as modernization of the public healthcare system at all stages of medical care should be recognized as the short-term goals, in addition to the search for highly effective etiologic treatment and making it available within the state-financed programs.