Can a light sensor replace a catheter to measure abdominal pressure in babies?
NCT ID NCT05971264
First seen Jul 29, 2026 · Last updated Jul 30, 2026 · Updated 1 time
Summary
This trial investigates whether a non-invasive light-based technique (near-infrared spectroscopy) can reliably measure intestinal oxygen levels as a proxy for abdominal pressure in infants. Researchers will compare these readings with standard bladder pressure measurements in 30 infants undergoing surgery. The goal is to see if the oxygen measurement remains stable whether the baby is sedated or awake.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- near-infrared spectroscopy
- What this could lead to
- If the intestinal oxygen measurement proves stable, it could offer a less invasive way to monitor abdominal pressure in infants.
- What could go wrong
- This is a small, early-stage study in 30 infants. The new method may not match the accuracy of bladder pressure, and results may not apply to all infants.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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30 people
The number who actually took part.
- Started
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May 2024
- Finished
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Jul 2026
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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Up to 12 months
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Prepped and consented for laparoscopic pyeloplasty or minimal PSARP with perineal or vestibular fistula or lateral thoracotomy for the correction of esophageal atresia * Age of 12 months old or less at operation * Legal custodian gives consent Exclusion Criteria: * Anterior abdominal wall thickness greater than 12 mm measured on preoperative MRI imaging if available * Patients planned for additional intestinal surgeries or non-standard pyeloplasty, e.g. pyeloplasty with nephrostoma * Patients planned for laparoscopic pyeloplasty whose intraoperative urine sample shows pathological results * Patients with esophageal atresia who experience pulmonary decompensation and need urgent surgery for fistula clipping
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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University Children's Hospital Zurich
Zurich, Canton of Zurich, 8032, Switzerland
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Other studies related to the condition(s) this trial covers.