What does a positive hepatitis B virus e antibody (HBeAb) test indicate?
May 16, 2019
Source: Cainiu Health
Dr. Zhao Xiaodong
Introduction
1. Indicates the presence of hepatitis B virus (HBV) infection in the body.
2. A positive hepatitis B e antibody (anti-HBe) that develops after spontaneous resolution of HBV infection typically disappears within six months; however, in some individuals, it may persist.
3. Following hepatitis B vaccination, a subset of individuals may transiently test positive for anti-HBe, which usually resolves within six months.
4. A positive anti-HBe resulting from antiviral therapy for hepatitis B indicates that the immune system is exerting control over HBV replication and serves as a marker of effective treatment.
A positive hepatitis B virus e antibody (anti-HBe) test result may occur under four circumstances:
1. “Small three-positive” pattern (i.e., HBsAg+, HBeAb+, and anti-HBc+), indicating active hepatitis B virus infection.
2. Spontaneous resolution of hepatitis B infection, after which anti-HBe becomes positive. In such cases, the anti-HBe typically disappears within approximately six months; however, in some individuals, it persists long-term.
3. Following administration of plasma-derived hepatitis B vaccine, some recipients develop a positive anti-HBe response. Normally, this positivity resolves within about six months, though in rare cases, it persists indefinitely.
4. Development of a positive anti-HBe during antiviral therapy for hepatitis B, signifying that the host’s immune system has gained partial control over the hepatitis B virus—an encouraging sign indicating effective treatment.
