tcpO2 is the only method to measure the local oxygen released from the capillaries through the skin, reflecting the metabolic state of the lower limb1. It is particularly useful for wound healing prediction, amputation level determination and qualification for hyperbaric oxygen therapy2. Transcutaneous oximetry is also recommended as a means to quantify the severity of ischemia and to stratify the prognosis in CLTI patients as well as being useful to diagnose PAD in patients with calcified arteries and loss of toes3.

  • tcpO2 is the only method that provides information about the body’s ability to deliver oxygen to the tissue.
  • No spontaneous wound healing will occur without oxygen reaching the wound area.
  • Important tool in patients with diabetes where calcified vessels or missing toes make other methods impossible.

Objective measurement to support the clinical decision of correct level of amputation, to improve patient quality of life and to avoid costly reamputations.

Less oxygen close to the wound
See references


  • Noninvasive Arterial Studies Including Transcutaneous Oxygen Pressure Measurements with the Limbs Elevated or Dependent to Predict Healing After Partial Foot Amputation. Karen L. Andrews, MD Mansour Y. Dib, MD Thomas C. Shives, MD Tanya L. Hoskin David A. Liedl, RN Andrea J. Boon, MD. DOI: 10.1097/PHM.0b013e3182876a06.    
  • Transcutaneous Oximetry in Clinical Practice: Consensus statements from an expert panel based on evidence. C. E Fife, D. R. Smart, P. J. Sheffield, H. W. Hopf, G. Hawkins, D Clarke. UHM 2009, Vol. 36, No. 1 – Transcutaneous oximetry consensus statements.    
  • The impact of transcutaneous oxygen pressure measurement in patients with suspected critical lower limb ischemia Stefan Rosfors, Leila Kann, Thomas Nystrom. International Angiology 2016 Oclober;3S(5):492-7.    
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