Transcutaneous Oxygen Partial Pressure and Doppler Ankle Pressure During Upper and Lower Body Exercise in Patients with Peripheral Arterial Occlusive Disease
Transcutaneous measurement of oxygen partial pressure (tcpO2) with heated Clarkelektrodes can represent both the arterial oxygen partial pressure and the blood flow at the site where the tcpO2 is measured1–4. The blood flow dependency of tcpO2 has to be considered if changes in arterial pO2 should be monitored. This application is of special value during heavy exercise, where often arterial blood sampling is impossible. On the other hand, changes in local blood flow can be observed by measurements of tcpO2. In this case, skin blood flow is used as an indicator of regional blood flow5, especially in the limbs of patients with peripheral arterial occlusive disease (PAOD)6. At rest, this approach has been proved as clinically valuable for objective graduation of PAOD7.
KeywordsOxygen Partial Pressure Skin Blood Flow Peripheral Arterial Occlusive Disease Transcutaneous Oxygen Cutaneous Blood Flow
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