Dear editor, We would like to update the readership of einstein (São Paulo) on the information given in page 6, regarding hyaluronidase facilitated subcutaneous immunoglobulin, in the article entitled II Brazilian Consensus on the use of human immunoglobulin in patients with primary immunodeficiencies published in this journal in volume 15 issue 1, 2017.(1) When the article was written informat...

This paper analyzes the medical knowledge required for formulating decision models in the domain of pulmonary infectious diseases (PIDs) with acquired immunodeficiency syndrome (AIDS). Aiming to support dynamic decision-modeling, the knowledge characterization focuses on the ontology of the clinical decision problem. Relevant inference patterns and knowledge types are identified.

This article contains a comprehensive, critical review of the acquired immunodeficiency syndrome (AIDS)-risk-reduction literature on interventions that have targeted risky sexual behavior and intravenous drug use practices. A conceptually based, highly generalizable model for promoting and evaluating AIDS-risk behavior change in any population of interest is then proposed. The model holds that ...

Increased risk of developing autoimmune manifestations has been identified in different primary immunodeficiencies (PIDs). In such conditions, autoimmunity and immune deficiency represent intertwined phenomena that reflect inadequate immune function. Autoimmunity in PIDs may be caused by different mechanisms, including defects of tolerance to self-antigens and persistent stimulation as a result...

Based on their own experience and on the literature, the authors compare the brain pathology due to HIV+ associated Trypanosoma cruzi reactivated infection to that described for the natural history of the Chagas' disease (CD). The peculiar focal necrotizing chagasic meningoencephalitis (MECNF) which appears only in immunedeficient chagasics, especially when the deficiency is due HIV is a safe c...

Although primary immunodeficiency diseases (PIDs) were first reported in India in the 1970s, those diagnoses were based predominantly on clinical presentations-very limited immunological analyses were performed. Therefore, the validity of many early reports of PIDs may be questionable. However, in the last 10-15 years, diagnoses of PIDs have been based on flow cytometric analysis and, in a few ...

Central nervous system (CNS) infection is an important part of systemic human immunodeficiency disease (HIV) infection. It is most often asymptomatic, but can sometimes lead to severe neurologic disease, particularly in advanced stages of immunosuppression. CNS HIV infection usually responds well to antiretroviral treatment, but there are concerns that treatment may not always be fully effectiv...

The transmission of human immunodeficiency virus (HIV) from infected mothers to their infants has been well established. The majority of infants so infected are born to women who have acquired HIV through IV drug use or through sexual contact with IV drug-using partners. Some ofthese mothers are unable to care for their infants. In addition, many infected mothers become seriously ill or die, le...

Understanding primary immunodeficiencies has elucidated many aspects of human immunity and susceptibility to infections. Recently, defects have been identified that result in deficiencies of terminally differentiated subsets of lymphocytes including deficiencies of memory B cells, NKT cells and T(h)17 T cells. Together with defects specific to T(h)1 responses, these disorders revealed that dedi...

Soon after transplantation of wild-type thymi into immunodeficient mice lacking functional T cell receptors, productive T cell development in the donor thymus ceases. This observation underlies one of the central dogmas of T cell biology: because thymocytes are seemingly short-lived, intrathymic T cell development depends on continuous import of lymphoid progenitors from the bone marrow. New wo...