Follow-up study, using dynamic transcutaneous oximetry in 17 patients with stage II Leriche and Fontaine occlusive arterial disease of the lower limbs

La Revue de médecine interne
C GrardH Warembourg


We evaluated the value of dynamic transcutaneous oxygen pressure measurement (TcPO2) in 17 patients with stage II occlusive arterial disease of the lower limbs treated with exercise only. We studied 17 patients (15 men, two women) with an average age of 63 years (range 39-80 years). Claudication perimeter and dynamic TcPO2 were evaluated before and after 6 month walking exercise and tabac stopping. Four different sites of TcPO2 were studied: precordium (reference probe), thigh, calf and foot in the dorsal recumbent position after 30 minutes rest, during a standardised exercise stress test at 50 watts and during the recovery phase. The results were expressed as ratio of tissue oxygenation (RTO): thigh, calf or foot TcPO2/precordial TcPO2 x 100 in order to take into account the patients cardiorespiratory status and adaptation to exercise. Claudication perimeter was 255 m +/- 221 before 6 months exercise and 835 m +/- 539 after (P < 0.01). The duration of significative ischemia was significantly reduced after 6 months exercise (P = 0.02 calf, P < 0.01 foot). Dynamic transcutaneous oxymetry would therefore seem to be a useful method of assessing stage II occlusive peripheral arterial disease and the topography of tissue hypoxia. It...Continue Reading

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