Trick of the Trade: Urine Collection in Neonates
Trick of the Trade
- Provide oral intake to the neonate
- 25 minutes after feeding, clean genitals with soap and water; dry with sterile gauze
- Give non-pharmacologic analgesia (Pacifier or 2% sucrose syrup)
- One person holds neonate under the axilla with feet dangling
- Another person starts bladder stimulation with gentle tapping of the suprapubic area (100 taps/min) and stimulation of lumbar paravertebral zone (light circular massage)
- Perform steps 4 and 5 for 30 secs at a time, as many times as needed
- Catch midstream urine sample in a sterile collection container
- Study methodology:
- Prospective feasibility and safety study
- Single center in Madrid
- 80 neonates (31 girls and 49 boys)
- Mean ages: 6.66 day old boys and 6.23 day old girls
- 86% success rate in obtaining urine in
- Mean time for sample collection: 57 sec
- Mean time spent collecting samples in males: 60.48 sec
- Mean time spent collecting samples in females: 52.04 sec
- Limitation: Lack of control group
- Conclusion: Based on a previous study using a vibrating bladder stimulator,2 this manual method to obtain midstream urine in newborns is safe, quick, and effective.
Urine collection in neonates is a time-consuming and unpredictable task that requires time and attention. Although a small study, this new technique does not cause discomfort or waste time as is typically the case with catheterized urines and bag collection methods, respectively.
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