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Using birth weight or surface measurements for estimating insertion depth of umbilical catheters in newborn infants

A randomised trial of using birth weight or surface measurements for estimating insertion depth of umbilical catheters in newborn infants

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN17864069
Enrollment
101
Registered
2012-08-22
Start date
2012-07-08
Completion date
Unknown
Last updated
2016-10-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Critical care of the newborn infant Neonatal Diseases

Interventions

Infants will be randomly allocated to the 'WEIGHT' or 'MEASUREMENT' calculation groups. Infants randomised to 'WEIGHT' will have the depth of insertion calculated as follows: UVC - depth of insertio
and this measurement will be used to determine the insertion depth from a graph designed and widely used for this pupose (Dunn PM. Localization of the umbilical catheter by post-mortem measurement. Ar

Sponsors

The National Maternity Hospital (Ireland)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Infants born at any gestational age at the National Maternity Hospital (NMH) who have umbilical catheter (umbilical venous catheter [UVC] and/or umbilical arterial catheter [UAC]) insertion attempted in the Neonatal Intensive Care Unit (NICU) are eligible for enrolment 2. Infants born outside the NMH and transferred after birth will be eligible for enrollment if they have not had umbilical catheterization at the referring hospital

Exclusion criteria

Exclusion criteria: 1. Infants who have previously had a UVC or UAC inserted at a referring hospital 2. Infants with major congenital anomalies or hydrops that may alter the calculated or measured insertion length of the catheters or alter anatomy on x-ray (e.g. gastroschisis, exomphalos or congenital diaphragmatic hernia)

Design outcomes

Primary

MeasureTime frame
Correct cather position determined by a Consultant Radiologist masked to treatment allocation on a chest and abdominal x-ray defined as: UVC - catheter-tip between the upper border of T9 and the lower border of T10 UAC - catheter-tip between the upper border of T6 and the lower border of T10

Secondary

MeasureTime frame
1. Number of umbilical line insertions attempted and successful 2. Replacement or repositioning of umbilical line post confirmation x-ray 3. Total number of x-rays performed to confirm line position 4. Complications associated with UVC positioning in the liver 5. Pericardial effusions 6. Pericardial tamponade 7. Pleural effusions 8. Air leaks 9. Cardiac arrhythmias 10. Gastrointestinal perforation 11. Necrotising enterocolitis 12. Time to 120 mL/kg/day enteral feeds 13. Cranial ultrasound abnormalities (intraventricular hemorrhage and periventricular leukomalacia) 14. Total duration of umbilical lines in situ (days) 15. Catheter-related blood stream infection related to the umbilical line 16. Duration of hospital stay (days) 17. Death before discharge and at latest follow-up

Countries

Ireland

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 4, 2026