Detecting tissue blood flow issues using a CO2 sensor during flap surgery

Detecting Tissue Ischemia in Reconstruction Flaps by a Novel CO2 Biosensor (DIMENSION-study); An Open, Prospective, Intervention Study

NA · Oslo University Hospital · NCT05487820

This study is testing a new device that tracks carbon dioxide levels in tissue after flap surgery to see if it can help doctors quickly spot and fix blood flow problems in patients.

Quick facts

PhaseNA
Study typeInterventional
Enrollment160 (estimated)
Ages18 Years and up
SexAll
SponsorOslo University Hospital (other)
Locations1 site (Oslo)
Trial IDNCT05487820 on ClinicalTrials.gov

What this trial studies

This clinical investigation aims to evaluate the feasibility and safety of the IscAlert™ device, which continuously monitors carbon dioxide levels in tissue following reconstructive flap surgery. The device is inserted into normal muscle or subcutaneous tissue to detect signs of ischemia, indicated by increased CO2 levels and decreased local temperature. If ischemia is detected, the surgical team can intervene promptly to assess and potentially correct the blood flow issue. A total of 56 patients will be enrolled, and the monitoring will continue for up to 10 days post-surgery.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18 and older who are scheduled for reconstructive flap surgery.

Not a fit: Patients who are involved in other conflicting studies may not benefit from this trial.

Why it matters

Potential benefit: If successful, this approach could significantly improve the early detection of ischemia in reconstructive surgeries, potentially reducing complications and improving patient outcomes.

How similar studies have performed: Previous studies using similar biosensing techniques have shown promising results in detecting ischemia, suggesting potential for success in this novel application.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients must be scheduled for reconstructive flap surgery
* surgery
* Patients must be ≥ 18 years
* Patients must be able to give written signed informed consent

Exclusion Criteria:

• Another study interfering with current study

Where this trial is running

Oslo

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Ischemia, Blood Circulation Disorder, Biosensing Techniques, Surgery, Biosensor, Reconstructive, Carbon dioxide, Flap

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.