Transcutaneous pO₂ monitoring in the pediatric intensive care unit

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This is an observational cohort study that collects paired transcutaneous and arterial blood gas measurements from PICU patients who already have arterial lines in place. Paired readings are obtained simultaneously during routine clinical care to minimize timing differences. Agreement between transcutaneous pO₂/pCO₂ and arterial PaO₂/PaCO₂ will be analyzed using correlation and Bland-Altman methods to quantify bias and limits of agreement. The focus is whether transcutaneous pO₂ can reliably substitute for invasive arterial sampling in critically ill children.

Why it matters

Who can join: the full rules

Eligibility Criteria

Inclusion Criteria:

* Age between 1 month and 18 years
* Admission to the Pediatric Intensive Care Unit (PICU)
* Presence of an arterial catheter allowing arterial blood gas (ABG) sampling
* Simultaneous or paired transcutaneous pCO₂ and pO₂ monitoring available
* Hemodynamically stable at the time of measurement

Exclusion Criteria:

* Severe skin disease, burns, or local skin infection at the transcutaneous sensor site
* Severe peripheral perfusion impairment (e.g., refractory shock or high-dose vasopressor support)
* Congenital or acquired conditions interfering with accurate transcutaneous measurements
* Technical failure or inability to obtain reliable transcutaneous readings
* Missing or incomplete paired ABG-transcutaneous measurement data

Where it's running

• Göztepe Prof. Dr. Süleyman Yalçın City Hospital
  Istanbul, Kadıkoy, Turkey (Türkiye) Recruiting

Study contacts

• Study coordinator: Ayşe Aşık, MD
• Email: drayseasik@gmail.com
• Phone: +905533280449

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.