Latex allergy in children with urological malformation and chronic renal failure.

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.