Clinical and Molecular Analysis of 49 Patients With X-linked Agammaglobulinemia From A Single Center in Argentina

Natalia Basile; Silvia Danielian; Matias Oleastro; Sergio Rosenzweig; Emma Prieto; Jorge Rossi; Adriana Roy; Marta Zelazko
January 2009
Journal of Clinical Immunology;Jan2009, Vol. 29 Issue 1, p123
Academic Journal
Abstract Introduction  Argentina has a large number of patients with definite diagnosis of X-linked agammaglobulinemia reported in the Latin-American registry. Forty-nine of them were seen in our referral pediatric hospital, between 1987 and 2005. Results and Discussion  A retrospective study of clinical, laboratory, and molecular data showed that respiratory tract infections were the most frequent initial clinical presentation and the most common among all manifestations prior to diagnosis (69%). Up to diagnosis, we found a high frequency of severe infections (sepsis, 14% and meningitis, 16%) and a high proportion of patients with chronic lung disease. During follow-up, the development of chronic lung disease was significantly related with age at diagnosis and inappropriate treatment. Conclusion  Although molecular diagnosis has been available in our center for the past 10 years, there is no doubt that awareness for early recognition of immunodeficiency should be improved through broader and more comprehensive education programs emphasizing characteristics of patients with immunodeficiencies.


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