• Edgar Borges de Oliveira-Junior, Nuria Bengala Zurro, Carolina Prando, Otavio Cabral-Marques, Paulo Vitor Soeiro Pereira, Lena-Friederick Schimke, Stefanie Klaver, Marcia Buzolin, Lizbeth Blancas-Galicia, Leopoldo Santos-Argumedo, Dino Roberto Pietropaolo-Cienfuegos, Francisco Espinosa-Rosales, Alejandra King, Ricardo Sorensen, Oscar Porras, Persio Roxo-Junior, Wilma Carvalho Neves Forte, Julio Cesar Orellana, Alejandro Lozano, Miguel Galicchio, Lorena Regairaz, Anete Sevciovic Grumach, Beatriz Tavares Costa-Carvalho, Jacinta Bustamante, Liliana Bezrodnik, Matias Oleastro, Silvia Danielian, and Antonio Condino-Neto.
• Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.
• Pediatr Blood Cancer. 2015 Dec 1; 62 (12): 2101-7.

AimWe analyzed data from 71 patients with chronic granulomatous disease (CGD) with a confirmed genetic diagnosis, registered in the online Latin American Society of Primary Immunodeficiencies (LASID) database.ResultsLatin American CGD patients presented with recurrent and severe infections caused by several organisms. The mean age at disease onset was 23.9 months, and the mean age at CGD diagnosis was 52.7 months. Recurrent pneumonia was the most frequent clinical condition (76.8%), followed by lymphadenopathy (59.4%), granulomata (49.3%), skin infections (42%), chronic diarrhea (41.9%), otitis (29%), sepsis (23.2%), abscesses (21.7%), recurrent urinary tract infection (20.3%), and osteomyelitis (15.9%). Adverse reactions to bacillus Calmette-Guérin (BCG) vaccination were identified in 30% of the studied Latin American CGD cases. The genetic diagnoses of the 71 patients revealed 53 patients from 47 families with heterogeneous mutations in the CYBB gene (five novel mutations: p.W361G, p.C282X, p.W483R, p.R226X, and p.Q93X), 16 patients with the common deletion c.75_76 del.GT in exon 2 of NCF1 gene, and two patients with mutations in the CYBA gene.ConclusionThe majority of Latin American CGD patients carry a hemizygous mutation in the CYBB gene. They also presented a wide range of clinical manifestations most frequently bacterial and fungal infections of the respiratory tract, skin, and lymph nodes. Thirty percent of the Latin American CGD patients presented adverse reactions to BCG, indicating that this vaccine should be avoided in these patients.© 2015 Wiley Periodicals, Inc.

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