A Transcutaneous Oxygen Tension (TcPO2 or TCOM) study is a non-invasive diagnostic test used to measure the oxygen level of tissues just below the skin. This test provides valuable information about the microcirculatory function and the oxygen supply to the tissues, which is crucial for assessing the healing potential of wounds and determining the severity of peripheral arterial disease (PAD) and results of revascularization.
Small electrodes, called transducers, are placed on the skin at various locations, typically near the area of concern, such as around a wound or on the lower extremities.
The electrodes gently heat the skin to a specific temperature (usually around 44°C or 111°F). This heat increases local blood flow and enhances oxygen diffusion from capillaries into the skin.
The electrodes measure the partial pressure of oxygen (pO2) diffusing through the skin. The data is collected and analyzed to determine the tissue oxygen levels.
Determines the likelihood of wound healing, especially in patients with chronic wounds, diabetic ulcers, or other non-healing wounds.
Assesses the severity of PAD by measuring the oxygen levels in the tissues of the lower extremities.
Helps determine the optimal level for amputation by identifying areas with sufficient or insufficient oxygenation.
Monitors the success of procedures like angioplasty or bypass surgery aimed at improving blood flow.
Assesses the suitability of patients for HBOT and monitors the effectiveness of this therapy.
Generally, TcPO2 values above 40 mmHg are considered normal and indicate good tissue oxygenation.
TcPO2 values between 30-40 mmHg suggest borderline tissue oxygenation and may indicate a risk of delayed wound healing.
TcPO2 values below 30 mmHg indicate poor tissue oxygenation, often associated with severe PAD and a high risk of non-healing wounds or the need for amputation.
A TcPO2 study is typically performed by a vascular technician in a clinic or outpatient diagnostic facility. The results are interpreted by our doctor with specialized interpretation training, who can then recommend appropriate treatment options based on the findings.
Additional Information: https://perimed-instruments.com/content/transcutaneous-oximetry-tcpo2/
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