Faster clean catch urine collection (Quick-Wee method) from infants: randomised controlled trial.
2017
Objective To determine if a simple stimulation method increases the rate of infant voiding for clean catch urine within five minutes. Design Randomised controlled trial. Setting Emergency department of a tertiary paediatric hospital, Australia. Participants 354 infants (aged 1-12 months) requiring urine sample collection as determined by the treating clinician. 10 infants were subsequently excluded. Interventions Infants were randomised to either gentle suprapubic cutaneous stimulation (n=174) using gauze soaked in cold fluid (the Quick-Wee method) or standard clean catch urine with no additional stimulation (n=170), for five minutes. Main outcome measures The primary outcome was voiding of urine within five minutes. Secondary outcomes were successful collection of a urine sample, contamination rate, and parental and clinician satisfaction with the method. Results The Quick-Wee method resulted in a significantly higher rate of voiding within five minutes compared with standard clean catch urine (31% v 12%, P v 9%, P v 3 on a 5 point Likert scale, P v 45%, P=0.29). The number needed to treat was 4.7 (95% confidence interval 3.4 to 7.7) to successfully collect one additional urine sample within five minutes using Quick-Wee compared with standard clean catch urine. Conclusions Quick-Wee is a simple cutaneous stimulation method that significantly increases the five minute voiding and success rate of clean catch urine collection. Trial registration Australian New Zealand Clinical Trials Registry ACTRN12615000754549.
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