Hep B Vaccine Response Vary Among Youth With Inflammatory, A
Most pediatric patients diagnosed with an inflammatory or autoimmune disorder lacked evidence of an immune response to the hepatitis B vaccine, results from a single-center retrospective study showed. While the vaccine series provides protection in healthy individuals more than 95% of the time, a decreased response has been noted in specific pediatric populations, including those with inflammatory and autoimmune diseases. "This is important to note and investigate further because a decreased vaccine response increases the risk for this high-risk population, and the use of boosters is currently debated. Of the 160 patients, 100 (63%) had IBD, 34 (21%) had an autoimmune disease, 26 (16%) had an autoinflammatory disease, 89 (56%) were female, and their mean age was 15 years.

The researchers observed variation in the testing ordered between the three patient groups. Specifically, 88.2% of autoimmune patients had hepatitis B surface antigen (HBsAg) testing, compared with 96.15% of patients with an autoinflammatory disease and 67% of patients with IBD, while 76.47% of patients with an autoimmune disease had hepatitis B core antibody (anti-HBc) testing, compared with 88.46% of patients with an autoinflammatory disease and 31% of patients with IBD.

In addition, 82.35% of patients with an autoimmune disease had HBsAg testing, compared with 100% of patients with an autoinflammatory disease and 94% of patients with IBD.

Source:https://www.medscape.com/viewarticle/956566
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