Follow-up
Further Inpatient Care
- Observe synthetic liver function and mental status for signs of deterioration.
- Consider liver biopsy if the serologic diagnosis of hepatitis is inconclusive.
Further Outpatient Care
- Follow-up is recommended for at least 6 months to determine if chronic HBV and HDV infection develop.
- Perform a liver biopsy to stage liver disease prior to beginning interferon alfa therapy.
Transfer
- Patients with evidence of decompensated liver disease or fulminant liver failure should be immediately transferred to a center capable of performing a liver transplantation.
Deterrence/Prevention
- No vaccine is available for HDV, but the HBV vaccination is effective against HDV.
Complications
- Liver failure
- Hepatocellular carcinoma
- Autoimmune manifestations, often including antinuclear antibodies and smooth muscle antibodies
Prognosis
- Prognosis is excellent for those with co-infection in whom treatment eradicates both viruses.
- Prognosis is variable for those who are superinfected. It depends on the duration and severity of HBV infection, alcohol consumption, comorbid illnesses, and age.
- In patients who undergo liver transplantation for chronic liver disease secondary to HBV and HDV infection, HDV seems to suppress the replication of HBV in the transplanted liver and may help prolong graft survival. However, fulminant hepatitis from recurrent HBV and HDV infection in the transplanted liver has resulted in patient death or the need to retransplant.
Patient Education
- Modify high-risk behaviors, including intravenous drug use or unsafe sexual practices.
- Promote the use of universal precautions for health care workers.
- Patients with chronic HDV and HBV infection should not donate blood, share toothbrushes or razors, or consume alcohol. Precautions should be observed.
Miscellaneous
Medicolegal Pitfalls
- Failure to recognize HDV in the setting of acute HBV co-infection
- Failure to closely monitor synthetic liver function
- Failure to transfer patient to a medical center capable of performing a liver transplantation early in the course of disease
- Failure to inform patients with alcoholism to abstain from alcohol consumption and to seek professional counseling in order to be considered a transplantation candidate, a prerequisite in some centers
Special Concerns
- Additional information regarding chronic viral hepatitis is available from the American Liver Foundation, 75 Maiden Lane, Suite 603, New York, NY 10038 USA; (800) 465-4837, toll-free.
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References
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Further Reading
Keywords
HDV, HDV infection, viral hepatitis, delta hepatitis, delta virus, hepatitis delta, hepatitis B virus, HBV, hepatitis B surface antigen, HBsAg, liver failure, liver infection, acute fulminant liver failure, chronic liver infection, end-stage liver disease, end-stage liver disease, ESLD, cirrhosis, hepatocellular carcinoma, HCC, liver transplantation, hepatic transplantation
Follow-up: Hepatitis D