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Medicina (Buenos Aires)

versión impresa ISSN 0025-7680


FERNANDEZ ROMERO, Diego S.; JURI, María Cecilia; PAOLINI, María Virginia  y  MALBRAN, Alejandro. Antibody deficiencies: A survey from three Clinical Immunology Centers for adults in Buenos Aires City. Medicina (B. Aires) [online]. 2011, vol.71, n.4, pp. 350-356. ISSN 0025-7680.

Antibody deficiency (AD) comprises a group of diseases characterized by the inability to develop an effective antibody mediated immune response. These patients suffer mainly of encapsulated extracellular bacterial infections of the respiratory tract. The aim of our study was to describe the clinical characteristics of 128 patients with suspected or confirmed AD who were referred to 3 immunodeficiency centers for adults, from June 2004 to December 2009. Three of these patients (2.3%) consulted for recurrent infections only once, without sufficient data for a proper classification, and were excluded. Of the remaining 125 patients, in 21 (16.8%) AD was excluded, 8 cases (6.4%) were diagnosed with sec ondary antibody immunodeficiency (SAD) and 96 (76.8%) with primary antibody immunodeficiency (PAD). SAD causes were: one renal failure, one phenytoin use, two monoclonal gammopathy and four B cell lymphoma. The causes of these 96 PAD were: 57 common variable immunodeficiency, 12 X-linked agammaglobulinaemia, 10 selective IgA deficiency, seven IgG1 deficiency, three hyper- IgM syndrome, three IgM deficiency, two X-linked proliferative syndrome, one Good syndrome and one antibody functional deficiency. Sixty-seven patients were in follow up at the time of completion of the study, 25 of them were on follow up at the beginning of the study. Among the 58 patients with indication of gamma globulin replacement therapy, 54 were in treatment at the end of the study. In four patients the initial diagnosis of PAD was not confirmed.

Palabras clave : Antibody deficiencies; Hypogammaglobulinaemia; Immunodeficiencies.

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