Background:

Primary immunodeficiencies are diseases that are caused by one or more defects in the immune system.

Objective:

The purpose of the article is to describe the characteristics of the immunodeficiencies that were diagnosed in a pediatric hospital, which forms a reference center in the West of Mexico.

Methods:

A cross-sectional study of pediatric patients with primary immunodeficiency in a pediatric hospital in Guadalajara, Jalisco.

Results:

60 patients were registered, of which 21% were female, and 78% were male. Predominant immunodeficiencies of antibodies formed the largest group (46% of patients). X-linked agammaglobulinemia was the most frequent immunodeficiency (21%); other frequent diagnoses were common variable immunodeficiency, and IgG subclass deficiency. The average age of the patients that were diagnosed was of 6.3 years. The most common initial manifestations were infectious processes (46%), and pneumonia was the frequent diagnosis (30%). Autoimmune manifestations were observed in 13% of patients; 67% of the patients were found with immunoglobulin replacement therapy, with which a decrease in hospitalizations from 3.2 times to 0.13 times was observed. There were two deceased patients due to surgical complications of cardiac correction and intestinal reconnection.

Conclusion:

Knowing the behavior of primary immune deficiencies in our environment allows the opening of areas of opportunity in order to improve the survival and quality of life of our patients.

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