Original Research

Achieving Excellence in Hepatitis B Virus Care for Veterans in the VHA

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References

Prevention of HBV Infection and Sequelae

Vaccination rates in the US vary by age group, with higher immunization rates among those born after 1991 than the rates of those born earlier. Data from the National Health and Nutrition Examination Survey from 1988 to 2012 reported 33% immunity among veterans aged < 50 years and 6% among those aged ≥ 50 years.21 In addition to individuals who received childhood vaccination in the 1990s, all new military recruits assigned to the Korean Peninsula were vaccinated for HBV as of 1986, and those joining the military after 2002 received mandatory vaccination.

The VA follows the ACIP/CDC hepatitis B immunization guidelines.22-24 The VA currently recommends HBV immunization among previously unvaccinated adults at increased risk of contracting HBV infection and for any other adult who is seeking protection from HBV infection. The VA also offers general recommendations for prevention of transmission between veterans with known chronic HBV to their household, sexual, or drug-using partners. Transmission prevention guidelines also provide recommendations for vaccination of pregnant women with HBV risk factors and women at risk for HBV infection during pregnancy.22

HBV Care Guidance

One of the core tasks of the VA National Hepatitis B Working Group, given its broad, multidisciplinary expertise in HBV, was developing general clinical guidelines for the provision of high-quality care for patients with HBV. The group reviewed current literature and scientific evidence on care for patients with HBV. The working group relied heavily on the VA’s national guidelines for HBV screening and immunization, which are based on recommendations from the USPSTF, ACIP, CDC, and professional societies. The professional society guidelines included the American Association for the Study of Liver Disease’s Guidelines for Treatment of Chronic Hepatitis B, the America College of Gastroenterology’s Practice Guidelines: Evaluation of Abnormal Liver Chemistries, the American Gastroenterological Association Institute’s Guidelines for Prevention and Treatment of Hepatitis B Reactivation during Immunosuppressive Drug Therapy, and CDC’s Guidelines for Screening Pregnant Women for HBV.19,22-27

The working group identified areas for HBV quality improvement that were consistent with the VA and professional guidelines, specific and measurable using VA data, clinically relevant, feasible, and achievable in a defined time period. Areas for targeted improvement will include testing for HBV among high-risk patients, increasing antiviral treatment and HCC surveillance of veterans with HBV-related cirrhosis, decreasing progression of chronic HBV to cirrhosis, and expanding prevention measures, such as immunization among those at high risk for HBV and prevention of HBV reactivation.

At a national level, development of specific and measurable quality of care indicators for HBV will aid in assessing gaps in care and developing strategies to address these gaps. A broader discussion of care for patients with HBV quality with front-line health care providers (HCPs) will be paired with increased education and providing clinical support tools for those HCPs and facilities without access to specialty GI services.

Clinical pharmacists will be critical targets for the dissemination of guidance for HBV care paired with clinical informatics support tools and clinical educational opportunities. As of 2015, there were about 7,700 clinical pharmacists in the VHA and 3,200 had a scope of practice that included prescribing authority. As a result, 20% of HCV prescriptions in the VA in fiscal year 2015 were written by a clinical pharmacy specialist.28 Since then, the VA has expanded the education and support of clinical pharmacists in the care of patients with HCV and advanced liver disease, making them uniquely suited to provide additional support for a complex, low-prevalence disease like HBV.

Identification and Monitoring

The HBV working group and the VA Viral Hepatitis Technical Advisory Group are working with field HCPs to develop several informatics tools to promote HBV case identification and quality monitoring. These groups identified several barriers to HBV case identification and monitoring. The following informatics tools are either available or in development to reduce these barriers:

  1. A local clinical case registry of patients with HBV infection based on ICD codes, which allows users to create custom reports to identify, monitor, and track care;
  2. Because of the risk of HBV reactivation in patients with chronic HBV infection who receive anti-CD20 agents, such as rituximab, a medication order check to improve HBV screening among veterans receiving anti-CD20 medication;
  3. Validated patient reports based on laboratory diagnosis of HBV, drawn from all results across the VHA since 1999, made available to all facilities;
  4. Interactive reports summarizing quality of care for patients with HBV infection, based on facility-level indicators in development by the national HBV working group, will be distributed and enable geographic comparison;
  5. An HBV immunization clinical reminder that will prompt frontline HCPs to test and vaccinate; and
  6. An HBV clinical dashboard that will enable HCPs and facilities to identify all their HBV-positive veterans and track their care and outcomes over time.

Pages

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