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Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver.
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Case-finding for hepatitis C in primary care: a mixed-methods service evaluation.

Shivani Datta1, Jeremy Horwood, Matthew Hickman

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|February 26, 2014
PubMed
Summary

Many at-risk individuals, including people who inject drugs (PWID) and immigrants, remain untested for hepatitis C virus (HCV). General practitioners (GPs) face barriers to testing, highlighting the need for improved case-finding strategies.

Keywords:
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Area of Science:

  • Hepatology
  • Public Health
  • General Practice

Background:

  • Hepatitis C virus (HCV) infection is often asymptomatic, leading to delayed diagnosis and severe liver complications like cirrhosis, liver failure, and cancer.
  • People who inject drugs (PWID) and immigrants from high-prevalence regions are key at-risk populations for HCV.
  • Despite increased HCV-related hospitalizations, a significant proportion of chronically infected individuals remain undiagnosed.

Purpose of the Study:

  • To identify patients at risk for hepatitis C using routine general practitioner (GP) data.
  • To determine the percentage of at-risk patients who have not been tested for HCV.
  • To explore GPs' perspectives and barriers concerning HCV testing in primary care.

Main Methods:

  • A mixed-methods service evaluation was conducted in six NHS general practices in Bristol.
  • Patients at risk of HCV were identified using a density-based selection of PWID.
  • Data on HCV test results were obtained from the Health Protection Agency laboratory, and 17 GPs were interviewed regarding their testing practices and views.

Main Results:

  • Out of 3765 identified at-risk patients, 3051 (81%) had no recorded test result, including 53% of PWID and 93% of the 'ethnicity' group.
  • While all GPs reported routinely testing PWID, most tested immigrants for HIV and hepatitis B more frequently than for HCV.
  • Identified barriers to HCV testing included failure to inquire about risk factors, competing clinical priorities, challenges in accessing patient data, and patient lifestyle factors.

Conclusions:

  • Computerized prompts and enhanced GP education are necessary to improve HCV testing rates among at-risk populations.
  • Integrating questions about country of origin and drug use into new-patient questionnaires could enhance HCV case-finding efforts.