Premium
Prevalence of hepatitis B virus markers in several institutions for the mentally handicapped in the autonomous community of Madrid
Author(s) -
Carrascosa Diana,
De La Vega Ramírez Ma,
Casado Angela,
Torre Ma Roserio Je La,
Lópezfernández Ma Encarnación,
Sáez Julia
Publication year - 1995
Publication title -
american journal of human biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.559
H-Index - 81
eISSN - 1520-6300
pISSN - 1042-0533
DOI - 10.1002/ajhb.1310070211
Subject(s) - hbsag , hepatitis b virus , mentally retarded , medicine , down syndrome , hepatitis b , prevalence , serology , hepatitis , pediatrics , epidemiology , psychiatry , virus , immunology , psychology , antibody , developmental psychology
In order to determine the prevalence of hepatitis B virus (HBV) markers, 400 patients were studied: 134 residents of an institution (RI) for the mentally retarded and 266 under non‐residential care (NRC). In the residential institutions, all markers were absent in 69 (65.7%) of 105 patients with Down syndrome and 20 (69.0%) of 29 clients without Down syndrome. In the NRC clients, 167 (85.6%) of 195 patients with Down syndrome and 65 (91.5%) of 71 clients with other mental defects (psychologically and physically handicapped, autism) had negative tests for HBV markers. The prevalence of the hepatitis B surface antigen (HBsAg) was higher in institutionalized mentally retarded (RI) and older patients (21+ years). Examination of 195 Down patients revealed a higher frequency (1.4 times) of surface antigen carriers as strictly matched non‐Down syndrome cases (point prevalences 14.2% and 10.3%, respectively). The higher prevalence in affected cases appears to be primarily associated with a longer persistence of antigenemia. Results related to the sex of the patients were less clear. Neither affected nor non‐affected patients showed significant differences in prevalence among males and females. © 1995 Wiley‐Liss, Inc.