Hepatitis B
Conditions
Brief summary
The aim of this study is to evaluate the prevalence of hepatitis B in Vallés Occidental. Also, describe the stage of the disease, and whether if they are under medical treatment or not.
Detailed description
The hepatitis B virus ( HBV ) is a global health problem . It is estimated that in the world there are about 350-400 million carriers of HBV surface antigen ( HBsAg ) 1 . The prevalence in Spain is estimated at a 2-7 % and is considered a second intermediate prevalence. For over 20 years, has carried out a program of primary prevention through universal vaccination against hepatitis B including it in the childhood vaccination schedule and has already been observed that in some estudi3 the prevalence has declined . For this reason , we want to evaluate what is the currently prevalence in our area of influence. There aren't recent studies to assess what is the current status of these patients ( how many , what risk factors which needs of treatment and with answer ...)
Interventions
None. Just registration epidemiology dates
Sponsors
Study design
Eligibility
Inclusion criteria
* Patients with HBsAg + visited in Digestive/Hepatology outpatient visits and Hepatology of the participating hospitals
Exclusion criteria
* Patients \< 18 aged * Duplicity on record
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| prevalence hepatitis B | 12 months |
Secondary
| Measure | Time frame |
|---|---|
| stage of the disease and if they are in treatment or not | 1 day |
Countries
Spain