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1.
Allergol Immunopathol (Madr) ; 50(2): 1-6, 2022.
Artículo en Inglés | MEDLINE | ID: mdl-35257539

RESUMEN

BACKGROUND: In most cases, severe asthma in children has an allergic etiology, but allergen-specific immunotherapy (AIT) is contraindicated. OBJECTIVE: This study aimed at analyzing the safety and efficacy of AIT in patients with severe asthma treated with omalizumab (OM). METHODS: A descriptive real-life study was carried out by reviewing medical records. Effectiveness was measured by the degree of control (CAN questionnaire), number of hospitalizations per year, number of exacerbations per year, and maintenance treatment and lung function (FEV1). Some adverse reactions occurred (AAI-EAACI-WAO guidelines). RESULTS: The retrospective study included 29 patients up to 18 years of age with severe asthma with OM plus AIT treatment. AIT treatment was started in a cluster schedule when patients treated with OM achieved disease control. Before starting AIT, patients were treated with OM for 1 year for achieving asthmatic control. AIT to mites (51%), Alternaria (37.9%), or pollens (10.3%) was administered. After one year with OM plus AIT,statistically significant differences in CAN scores and FEV1 measures were observed (P < 0.001). No patients under treatment with OM plus AIT required hospital admission. During the clustering schedule, only 3/64 doses showed systemic adverse reactions. During the AIT maintenance treatment, 348 doses were administered, with no significant adverse reactions. CONCLUSION: In this population-based study in children with severe asthma, the combined treatment with OM plus AIT was safe and effective. This strategy allows these pediatric patients to be safely treated with AIT.


Asunto(s)
Antiasmáticos , Asma , Alérgenos/uso terapéutico , Antiasmáticos/uso terapéutico , Asma/tratamiento farmacológico , Niño , Desensibilización Inmunológica/efectos adversos , Humanos , Omalizumab/uso terapéutico , Estudios Retrospectivos , Resultado del Tratamiento
2.
Thorax ; 70(1): 64-73, 2015 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-25331281

RESUMEN

BACKGROUND: Effects of prenatal and postnatal exposure to air pollution on lung function at preschool age remain unexplored. We examined the association of exposure to air pollution during specific trimesters of pregnancy and postnatal life with lung function in preschoolers. METHODS: Lung function was assessed with spirometry in preschoolers aged 4.5 years (n=620) participating in the INfancia y Medio Ambiente (INMA) cohort. Temporally adjusted land use regression (LUR) models were applied to estimate individual residential exposures to benzene and nitrogen dioxide (NO2) during specific trimesters of pregnancy and early postnatal life (the first year of life). Recent and current (1 year and 1 week before lung function testing, respectively) exposures to NO2 and nitrogen oxides (NOx) were also assessed. RESULTS: Exposure to higher levels of benzene and NO2 during pregnancy was associated with reduced lung function. FEV1 estimates for an IQR increase in exposures during the second trimester of pregnancy were -18.4 mL, 95% CI -34.8 to -2.1 for benzene and -28.0 mL, 95% CI -52.9 to -3.2 for NO2. Relative risk (RR) of low lung function (<80% of predicted FEV1) for an IQR increase in benzene and NO2 during the second trimester of pregnancy were 1.22, 95% CI 1.02 to 1.46 and 1.30, 95% CI 0.97 to 1.76, respectively. Associations for early postnatal, recent and current exposures were not statistically significant. Stronger associations appeared among allergic children and those of lower social class. CONCLUSIONS: Prenatal exposure to residential traffic-related air pollution may result in long-term lung function deficits at preschool age.


Asunto(s)
Contaminantes Atmosféricos/efectos adversos , Exposición a Riesgos Ambientales/efectos adversos , Exposición Materna/efectos adversos , Efectos Tardíos de la Exposición Prenatal/epidemiología , Fenómenos Fisiológicos Respiratorios/efectos de los fármacos , Adulto , Preescolar , Monitoreo del Ambiente , Femenino , Humanos , Incidencia , Lactante , Recién Nacido , Masculino , Embarazo , Trimestres del Embarazo , Efectos Tardíos de la Exposición Prenatal/diagnóstico , Pruebas de Función Respiratoria , España/epidemiología
4.
Pediatr Pulmonol ; 49(5): 490-502, 2014 May.
Artículo en Inglés | MEDLINE | ID: mdl-23775884

RESUMEN

OBJECTIVE: To achieve a consensus of opinion among an expert group of pediatric pulmonologists regarding the appropriateness of the off-label use of palivizumab for some pediatric patients with severe respiratory diseases. METHODS: A two-round modified Delphi technique was used. A 43-item self-administered questionnaire grouped into seven clinical scenarios was developed. Level of agreement for each statement was ranked on a 0-9 scale with 0 being total disagreement and 9 total agreement. Consensus was sought through the feedback of information and iteration. The final responses were evaluated for median and interquartile range to determine which questions the group had reached consensus about, either affirmatively or negatively. RESULTS: Consensus was obtained for 24/43 statements (55.81%), including use of palivizumab for prevention of respiratory syncytial virus (RSV) infection in children with severe respiratory involvement due to neuromuscular disease, congenital or acquired immunodeficiency, storage disease, cystic fibrosis, diseases involving impaired ciliary clearance, patients operated on esophageal atresia and/or tracheoesophageal fistula, diaphragmatic hernia, bronchopulmonary malformations, severe tracheomalacia, lung transplant recipients and patients in the waiting list for lung transplant, patients oxygen-dependent for severe interstitial pulmonary disease and patients with severe pulmonary hypertension. Consensus against the use of palivizumab as prevention of RSV infection was also achieved in almost all the recurrent wheezing/asthma attacks situations. CONCLUSION: A set of indication for off-label uses of palivizumab in pediatric pulmonology was developed in accordance with the degree of professional consensus on which they were based. The applicability of the present results to clinical practice should be evaluated individually and reviewed periodically in the light of new emerging evidence. Further studies are needed to add evidence to the most frequent and clinically oriented scenarios that have shown higher levels of uncertainty.


Asunto(s)
Anticuerpos Monoclonales Humanizados/uso terapéutico , Antivirales/uso terapéutico , Técnica Delphi , Uso Fuera de lo Indicado , Pediatría/métodos , Neumología/métodos , Insuficiencia Respiratoria/complicaciones , Infecciones por Virus Sincitial Respiratorio/prevención & control , Preescolar , Enfermedad Crónica , Humanos , Lactante , Enfermedades Pulmonares/complicaciones , Palivizumab , Infecciones por Virus Sincitial Respiratorio/complicaciones , Índice de Severidad de la Enfermedad
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