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- W2883637269 abstract "Objective studies and interpretation of circulatory problems in hands and feet are difficult. Several non invasive techniques for vascular diseases developed in recent years may have great application in small vessels. We have studied 280 patients with distal circulatory problems;recording(graph)the flow patterns obtained in a) distal arteries of the arm and leg with a bidirectional Doppler of 9.4 MH,and b) the skin arterioles at the tips of fingers and toes with a photopletismograph EP 100 (PP). The general patterns obtained comparing the waves at the graph recorded with the PP and Doppler were: A) a similar shape wave;B) a slight atenuation of the PP waves;C) a decrease of PP waves;D) an increase in PP waves. Patterns A and B are consider ed normal;Patterns C-D are abnormal. In vasospastic disorders great modifications of PP waves could be observed,with changes from patterns C to D or viceversa with the effect of stress-temperature and drugs. Degenerative arterio-pathies of big and small vessel could be distinguished evaluating the relation of the waves of both systems. Measurements of distal segmental pressures and the recovery time of pulse in fingers of toes with both systems add valuable information. We observed differences in wave types in some individuals, between Doppler and PP which are difficult to explain with our actual knowledge. We have found that the combination of both methods is an excellent objective system for the better study and drug therapy control of different small vessel diseases." @default.
- W2883637269 created "2018-08-03" @default.
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- W2883637269 date "1981-01-01" @default.
- W2883637269 modified "2023-09-27" @default.
- W2883637269 title "Clinical Evaluation Of Wave Conformation Of Photo- Pletismograph And Doppler In Distal Angiopathies" @default.
- W2883637269 doi "https://doi.org/10.1055/s-0038-1652921" @default.
- W2883637269 hasPublicationYear "1981" @default.
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