Resumo

SANCHEZ, María Dulfary et al. Hereditary angioedema in Medellín (Colombia): Clinical evaluation and quality of life appraisal. Biomédica [online]. 2015, vol.35, n.3, pp.419-428. ISSN 0120-4157.  https://doi.org/10.7705/biomedica.v35i3.2417.

Introduction: Hereditary angioedema is an autosomal dominant primary immunodeficiency caused by a deficiency of the C1 inhibitor protein and characterized by recurrent episodes of subcutaneous and mucosal edema. Unpredictable and frequent crisis of angioedema affect the quality of life of individuals suffering this kind of disorder. Objective: To analyze the clinical characteristics of a family with an index case of hereditary angioedema and to determine the impact of this disease on their quality of life. Materials and methods: Twenty six members of the family were included in the trial; 25 of them were analyzed for C4 complement and antigenic and functional C1 inhibitor blood levels. Two instruments (SF-365 and KIDSCREEN-27) were used to evaluate adult health quality and children and teenagers quality of life, respectively. Results: Eighty three percent (83%) of individuals reporting symptoms of the condition exhibited serological criteria of hereditary angioedema type I: low levels of both C4 complement and quantitative (antigenic) and qualitative (functional) C1 inhibitor. In relation to patients' psychological and emotional performance, their quality of life was significantly affected by the symptoms of hereditary angioedema. Conclusion: This study provides evidence of the first family in Valle de Aburrá (Colombia) characterized as having hereditary angioedema type I. Despite the use of a generic instrument, the negative impact on the quality of life of individuals suffering this disease was also confirmed.

Palavras-chave : Hereditary angioedema types I and II; complement inactivating agents; complement C1; complement C4; complement C1- inhibitor protein; quality of life.

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