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Alergia al látex en un hospital pediátrico: Caracterización y factores de riesgo / Latex allergy in a paediatric hospital: Characteristics and risk factors
Bailey, Michael; Norambuena, Ximena; Roizen, Gigia; Rodríguez, Jorge; Quezada, Arnoldo.
  • Bailey, Michael; Universidad de Chile. Facultad de Medicina. Departamento de Pediatría Sur. Santiago. CL
  • Norambuena, Ximena; Universidad de Chile. Facultad de Medicina. Departamento de Pediatría Sur. Santiago. CL
  • Roizen, Gigia; Universidad de Chile. Facultad de Medicina. Departamento de Pediatría Sur. Santiago. CL
  • Rodríguez, Jorge; Universidad de Chile. Facultad de Medicina. Departamento de Pediatría Sur. Santiago. CL
  • Quezada, Arnoldo; Universidad de Chile. Facultad de Medicina. Departamento de Pediatría Sur. Santiago. CL
Rev. chil. pediatr ; 87(6): 468-473, Dec. 2016. tab
Article in Spanish | LILACS | ID: biblio-844567
RESUMEN

Introducción:

La prevalencia de sensibilización al látex es variable. Se describen diversos factores de riesgo para la sensibilización al látex, como riesgo genético, atopia y múltiples intervenciones quirúrgicas.

Objetivo:

Caracterizar los pacientes con sospecha de alergia al látex, analizar sus características clínicas y factores de riesgo. Pacientes y

método:

Estudio retrospectivo, descriptivo, en niños derivados a la Unidad de Inmunología pediátrica por sospecha de alergia al látex y para confirmación diagnóstica. Se revisaron síntomas por contacto o exposición a materiales con látex. Se identificó factores de riesgo para la sensibilización al látex patologías con múltiples intervenciones quirúrgicas (espina bífida, mielomeningocele, escoliosis y alteraciones nefrourológicas), atopia (rinitis o asma, dermatitis atópica), y se realizó prick test y/o IgE específica para látex. Se efectuó un modelo de regresión logística multivariado para asociar síntomas de exposición al látex con enfermedades de base y condiciones de riesgo.

Resultados:

Se reclutaron 106 pacientes, de los cuales 50 fueron analizables. El 96% eran mayores de 5 años de edad al momento del diagnóstico. La mayoría de los factores de riesgo descritos en la literatura eran observables en estos pacientes (múltiples cirugías, malformaciones neurológicas y nefrourológicas, intervenciones quirúrgicas antes del año de edad y cateterismo vesical repetido). Luego de la exposición, las manifestaciones cutáneo-mucosas fueron las más frecuentes (52%), seguidas por las respiratorias (36%). El 100% de los pacientes estaban sensibilizados al látex.

Conclusión:

La sensibilización y alergia al látex es un problema relevante en niños con factores de riesgo. Los resultados mostrados plantean importantes desafíos en relación con medidas preventivas.
ABSTRACT

Introduction:

The prevalence of latex sensitisation varies according to the population studied. There are various risk factors that increase latex sensitisation, such as genetic risk, atopy, and multiple surgeries.

Objective:

To characterise patients referred to an Immunology Unit with suspected latex allergy, and to analyse their clinical features and risk factors. Patients and

method:

A retrospective, descriptive study was conducted on children suspected of latex allergy. Their medical records were reviewed in order to assess symptoms with contact or exposure to latex materials. Known risk factors to latex sensitisation, such as pathologies requiring repeated surgery (spina bifida, myelomeningocele, scoliosis and nephro-urological alterations), atopy (rhinitis, asthma, atopic dermatitis) were investigated. A prick test and/or specific IgE to latex were also performed. A multivariate logistic regression model was performed to find associations between symptoms triggered by exposure to latex with underlying diseases and other risk conditions.

Results:

A total of 106 patients were enrolled in the study, of whom 50 were evaluable. At diagnosis 96% of patients were older than five years. Most of the risk factors described were observable in these patients, such as multiple surgeries, neurological and nephro-urological malformations, surgery before one year-old, and repeated bladder catheterisation. After latex exposure, mucous cutaneous manifestations were the most common (52%), followed by respiratory symptoms (36%). All patients were sensitised and allergic to latex.

Conclusion:

Latex allergy is a significant problem in children with risk factors. The results shown in this study raise important challenges for preventive measures and awareness.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Immunoglobulin E / Skin Tests / Latex Hypersensitivity Type of study: Diagnostic study / Etiology study / Observational study / Prevalence study / Prognostic study / Risk factors Limits: Adolescent / Child / Child, preschool / Female / Humans / Male Language: Spanish Journal: Rev. chil. pediatr Journal subject: Pediatrics Year: 2016 Type: Article Affiliation country: Chile Institution/Affiliation country: Universidad de Chile/CL

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Full text: Available Index: LILACS (Americas) Main subject: Immunoglobulin E / Skin Tests / Latex Hypersensitivity Type of study: Diagnostic study / Etiology study / Observational study / Prevalence study / Prognostic study / Risk factors Limits: Adolescent / Child / Child, preschool / Female / Humans / Male Language: Spanish Journal: Rev. chil. pediatr Journal subject: Pediatrics Year: 2016 Type: Article Affiliation country: Chile Institution/Affiliation country: Universidad de Chile/CL