Abstract
Seventeen cases of peripheral arterial occlusive disease of the lower extremities for the past 3 years and 6 months are subjected to a study of clinical availability of Doppler flow wave. Doppler flow waves were classified into 4 categories, and compared with angiogram, volume pulse wave, and ankle/arm pressure index (API). In the femoral arteries, doppler flow wave was well correlated with angiogram, however, in the tibialis posterior and dorsalis pedis arteries, the patent arteries in angiogram sometimes showed type III or IV by Doppler flow wave measurment. Such cases often revealed remarkable angiographic occlusive figures in central-side rather than the measured sites. Moreover, Doppler flow wave had a good correlation with volume pulse wave, API or Fontaine classification. On the other hand, acute experiment using dogs revealed that 100% of blood flow indicated type I, 80% type II, 50% type III and less than 30% type IV. From these findings, the classification of Doppler flow wave appears to be available not only for screening or follow-up of peripheral occlusive diseases, but also for providing the informations of peripheral run-off which might be a possible index to confirm the success of the operation.
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