Clinical evaluation of a novel urine collection kit using filter paper in neonates: An observational study

Nobuhiko Nagano, Takayuki Imaizumi, Takuya Akimoto, Midori Hijikata, Ryoji Aoki, Ayako Seimiya, Aya Okahashi, Kaori Kawakami, Atsushi Komatsu, Kei Kawana, Ichiro Morioka

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Urine bags are commonly used to collect urine samples from neonates. However, the sample can be contaminated by stool, or detachment of the bag due to body movement can lead to failure of the collection. A qualitative urine collection kit containing ten filter papers of 3.2 mm diameter was developed and clinically verified among 138 neonates. During a single diaper change (approximately 3 h), the rate of urine collection was calculated. Urine collection was considered to be successful if any filter paper in the urine collection sheet turned from blue to white. Of the 127 neonates who passed urine, 122 had a change in the filter paper. The urine collection rate was 96%, with changes in all 10 filter papers observed in 98 neonates (80%). Urine collection rate was not influenced by sex (p = 1.00), age at collection (p = 0.72), preterm birth (p = 1.00), low birth weight (p = 0.92), or fecal contamination (p = 1.00). The incidence of dermatitis was not higher than in the group in which urine bags were used (urine collection kit: 2/68 [3%], urine bag: 5/68 [7%], p = 0.44). Novel urine collection kits using filter paper can collect samples from neonates safely and with a high probability of success.

Original languageEnglish
Article number561
JournalChildren
Volume8
Issue number7
DOIs
Publication statusPublished - Jul 2021

Keywords

  • Dermatitis
  • Filter paper
  • Neonate
  • Stool
  • Urine bag

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