Transducer levelling errors in everyday ICU practice

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 a prospective, multicenter observational study conducted in the ICU setting. It monitors arterial and central venous pressure readings to determine how transducer positioning errors translate into pressure deviations during routine care. A parallel reference setup provides blinded, continuous estimates of the true vertical level to quantify levelling deviations without altering clinical practice. Data are collected over an 8-hour period per participant, focusing on whether measured MAP and CVP deviations correlate with therapeutic actions such as vasopressor adjustments. The study does not mandate changes to standard care and aims to characterize the potential impact of levelling on decision-making.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Age ≥18 years
* ICU admission
* Mechanically ventilated
* Arterial catheter for MAP
* Central venous catheter for CVP
* Ongoing vasopressor therapy

Exclusion Criteria:

* Severe hemodynamic or respiratory instability
* Contraindications for lateral positioning
* Expected survival \<24 hours

Where it's running

• Sahlgrenska University Hospital
  Gothenburg, Sweden Recruiting
• Skaraborgs Sjukhus
  Skövde, Sweden Not yet recruiting

Study contacts

• Principal investigator: Lotta Johansson, PhD — Sahlgrenska University Hospital
• Study coordinator: Carl Sjödin, PhD student
• Email: carl.sjodin@vgregion.se
• Phone: +46313421096

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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.