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Updated: Jun 11, 2025

State of the Art Cranial Ultrasound Imaging in Neonates
Published on: February 2, 2015
Real-time ultrasound to assess the umbilical catheter position in neonates: a randomized, controlled trial
Lalita Ponin1, Chayatat Ruangkit2, Nichanan Ruangwattanapaisarn3
1Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.
Objective:
To compare real-time ultrasound (RT-US) use as an adjunct tool to verify umbilical catheter placement versus standard care without ultrasound.
Study Design:
Neonates requiring umbilical venous catheter (UVC) and umbilical artery catheter (UAC) placement were randomized into the standard formula (No-US) and the RT-US groups. X-rays were used to confirm the catheter position.
Result:
Fifty and forty-nine neonates were in the RT-US and No-US groups, respectively. RT- US showed a significantly higher rate of initial X-ray-confirmed proper catheter position than No-US (p < 0.001). The rates of proper positions of UVCs and UACs were significantly higher in the RT-US group than in the No-US group (both p < 0.001). Neonates in the RT-US group required fewer catheter adjustments and subsequent X-rays than those in the No-US group.
Conclusion:
RT-US enhances the accuracy of UVC and UAC placement, reduces catheter adjustments, and the number of X-rays required.
Trial Registration:
TCTR20190622001.
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