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Latex allergy in children with urological malformation and chronic renal failure
Giuseppina Spartà1, Markus J Kemper, Andreas C Gerber
1Nephrology and Anaesthesiology (ACG) Units, University Children's Hospital, Zurich, Switzerland.
Insights
Children with chronic renal failure (CRF) undergoing urological surgery face a high risk of latex allergy. Implementing primary latex prevention is crucial for these vulnerable patients.
Area of Science:
- Pediatric Nephrology
- Allergy and Immunology
- Urology
Background:
- Children with spina bifida, bladder exstrophy, and anorectal anomalies are predisposed to latex allergy.
- Severe intraoperative anaphylaxis in a pediatric kidney transplant recipient highlighted the need to investigate latex allergy prevalence in children with chronic renal failure (CRF).
Purpose of the Study:
- To evaluate the prevalence of latex allergy in a cohort of children diagnosed with chronic renal failure (CRF).
Main Methods:
- A cohort of 85 children (57 boys, 28 girls) aged 1.3 to 22.9 years with CRF were studied between 1996 and 2002.
- Urological malformations were the primary cause of CRF in 33% of patients.
- Latex reaction assessment included medical history, specific serum latex IgE, and skin prick testing.
Main Results:
- 19 patients (22%) exhibited a latex reaction, with 8 diagnosed with allergy and 11 with sensitivity.
- Urological malformations were present in 11 of the 19 patients with latex reactions.
- Significant risk factors for latex reaction included the number of surgical procedures, young age at operation, and atopy. Urological surgery was particularly associated with latex reactions.
Conclusions:
- Children with CRF, especially those undergoing early and multiple urological surgeries, are at elevated risk for latex reactions.
- Routine implementation of primary latex prevention strategies, including latex-free medical supplies, is recommended for all children with complex urological malformations.
Purpose:
Children with spina bifida, bladder exstrophy and anorectal anomalies are at risk for latex allergy. Severe intraoperative anaphylaxis in a boy treated with kidney transplantation prompted this study to evaluate the prevalence of latex allergy in a cohort of children with chronic renal failure (CRF).
Materials And Methods:
Between 1996 and 2002, 57 boys and 28 girls were investigated at a median age of 10.5 years (range 1.3 to 22.9). Urological malformations were the underlying cause of CRF in 33 patients (39%). Of the patients 39 were on conservative treatment, 20 were on dialysis and 26 had a functioning renal graft. Latex reaction was assessed by a careful history, specific serum latex IgE and skin prick test.
Results:
A total of 19 patients (22%) showed latex reaction, of whom 8 had allergy (clinical symptoms included severe intraoperative anaphylaxis in 1) and 11 had sensitivity (positive IgE or prick test without symptoms). Of these 19 patients 11 had urological malformations. The number of surgical procedures, young age at operation and atopy were significant risk factors. When operations were analyzed separately, ie urological vs nonurological surgery, only urological surgery was significantly associated with latex reaction. A significant correlation was also found between the overall number of operations and latex radioallergosorbent class.
Conclusions:
All children with CRF who undergo early and multiple urological surgery are at high risk for latex reaction. Primary latex prevention, ie the routine use of latex-free gloves, tubes and catheters, should be implemented in all children with complex urological malformations.
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