Context: When a urinary tract infection is suspected, it is recommended to capture a midstream sample of urine for analysis, but this strategy is difficult to apply before successful toilet training. A cutaneous stimulation technique has been reported to be effective in provoking micturition in newborns.
Objective: To evaluate the feasibility and the efficacy of this technique in a population of non-toilet-trained infants.
Design and methods: Fifty infants were enrolled in this prospective non-controlled study in three pediatric emergency departments. The bladder was stimulated through suprapubic and paravertebral cutaneous stimulation as previously reported in newborns. The evaluation criterion was the proportion of patients from whom urine had been collected within the first 5min of the procedure.
Results: Forty-eight patients (21 boys) were evaluated. The procedure was successful in 27% of the cases overall, but reached 46% for children aged less than 3 months. Elevated weight was associated with failure of the procedure.
Conclusion: Despite promising results in newborns, the cutaneous stimulation technique to provoke micturition appears to encounter limitations in older children. Nevertheless, the technique is an attractive alternative to urethral catheterization or suprapubic aspiration for infants younger than 3 months.
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