Risk factors for latex sensitization in young children with myelomeningocele. Clinical article

Masoud Majed1, Farideh Nejat, Mostafa El Khashab

  • 1Departments of Neurosurgery, Children's Hospital Medical Center, Tehran, Iran.

Abstract

Insights

Young patients with myelomeningocele (MMC) face latex sensitization risks. Daily clean intermittent catheterizations (CICs), untethering surgery, and barium enemas without latex-free equipment are key risk factors.

Area of Science:

  • Pediatric Allergy and Immunology
  • Spina Bifida Research
  • Medical Device Safety

Background:

  • Patients with myelomeningocele (MMC) exhibit a heightened susceptibility to latex allergy and sensitization.
  • Established risk factors for latex sensitization include a history of atopy and the number of surgical interventions.
  • Understanding specific procedural risks is crucial for preventing latex sensitization in this vulnerable population.

Purpose of the Study:

  • To investigate the influence of diagnostic procedures and non-surgical treatments on latex sensitization in pediatric patients diagnosed with myelomeningocele (MMC).
  • To identify specific risk factors associated with latex sensitization in young MMC patients.
  • To inform preventative strategies for reducing latex exposure in this cohort.

Main Methods:

  • A cohort of 73 children with MMC was evaluated.
  • Data collection included patient questionnaires, serum IgE determination, and skin prick tests (SPTs) for 62 participants.
  • Multivariate logistic regression analysis was employed to identify predictors of latex sensitization.

Main Results:

  • Skin prick tests (SPTs) revealed a 30.6% positive rate for latex sensitization, contrasting with an 8.2% positive rate for latex-specific IgE.
  • Univariate analysis identified a history of untethering, barium enema procedures, and the daily frequency of clean intermittent catheterizations (CICs) as significant risk factors for positive SPT results.
  • No significant association was found between the presence of a shunt and latex sensitization, despite a higher number of surgeries in patients with shunts.

Conclusions:

  • The low prevalence of latex sensitization observed may be attributed to the young age of the study cohort.
  • Identified risk factors for latex sensitization in young MMC patients include frequent CICs, a history of untethering, circumcision, and barium enemas conducted with non-latex-free equipment.
  • Implementing latex-free protocols, including gloves and catheters, and utilizing specific equipment during procedures can mitigate the risk of latex sensitization.