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Rev Alerg Mex ; 64(1): 52-65, 2017.
Article in Spanish | MEDLINE | ID: mdl-28188713

ABSTRACT

BACKGROUND: In spite of allergen-specific immunotherapy (SIT) multiple benefits, its use is restricted in some countries owing to concerns about severe adverse reactions. OBJECTIVE: To evaluate systemic adverse reactions in patients with atopic dermatitis, allergic asthma, allergic rhinitis and allergic conjunctivitis who received subcutaneous immunotherapy with tyrosine-adsorbed Dermatophagoides and Glycyphagoides dust mites extracts. METHODS: Retrospective study of the 2010-2015-period that included 773 patients diagnosed with IgE-mediated diseases, where the safety of allergen-specific immunotherapy was described according to the World Organization of Allergy subcutaneous immunotherapy-induced systemic reactions classification system. RESULTS: 79.7 % of patients had rhinitis, 54.9 % asthma, 34.5 % conjunctivitis and 16.4 % atopic dermatitis. Out of 12,546 tyrosine-adsorbed extract doses, 45 systemic reactions were recorded: 12 were grade 1 (30 %), 27 grade 2 (67.5 %) and 1 was grade 3 (2.5 %); the reaction rate was 0.35 per 100 administered injections, for an incidence rate of 5.8 %. No fatal reactions occurred. CONCLUSION: The frequency of systemic reactions with subcutaneous immunotherapy with Dermatophagoides farinae, Dermatophagoides pteronyssinus and Blomia tropicalis tyrosine-adsorbed extracts was similar to that reported with other extracts.


Antecedentes: Pese a los múltiples beneficios de la inmunoterapia alérgeno-específica, en algunos países se restringe su uso por temor a las reacciones adversas severas. Objetivo: Evaluar las reacciones sistémicas adversas en pacientes con dermatitis atópica, asma, rinitis y conjuntivitis alérgicas, que recibieron inmunoterapia subcutánea con extractos tirosinados para ácaros Dermatophagoides y Glycyphagoides. Métodos: Estudio retrospectivo del periodo 2010-2015 en el que se incluyó a 773 pacientes con diagnóstico de enfermedades mediadas por IgE. Se describió la seguridad de la inmunoterapia alérgeno-específica conforme al sistema de clasificación de las reacciones sistémicas con inmunoterapias subcutánea de la Organización Mundial de Alergias. Resultados: 79.7 % de los pacientes presentó rinitis, 54.9 % asma, 34.5 % conjuntivitis y 16.4 % dermatitis atópica. De 12 546 dosis subcutánea con extractos tirosinados se registraron 45 reacciones sistémicas: 12 grado 1 (30 %), 27 de grado 2 (67.5 %) y 1 grado 3 (2.5 %); la tasa de reacción fue de 0.35 por cada 100 inyecciones administradas, que representó una incidencia de 5.8 %. No se registraron reacciones fatales. Conclusión: Con la inmunoterapia subcutánea con extractos tirosinados de Dermatophagoides farinae, Dermatophagoides pteronyssinus y Blomia tropicalis se presentó una frecuencia de reacciones sistémicas similar a la informada con otros extractos.


Subject(s)
Antigens, Dermatophagoides/adverse effects , Desensitization, Immunologic/adverse effects , Adolescent , Adsorption , Animals , Antigens, Dermatophagoides/administration & dosage , Antigens, Dermatophagoides/chemistry , Antigens, Dermatophagoides/therapeutic use , Asthma/therapy , Child , Child, Preschool , Conjunctivitis, Allergic/therapy , Dermatitis, Atopic/therapy , Dermatophagoides pteronyssinus/immunology , Dose-Response Relationship, Immunologic , Female , Humans , Male , Retrospective Studies , Rhinitis/therapy , Tyrosine
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