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Analysis of flow motion by the laser Doppler technique in patients with peripheral arterial occlusive disease. 1988

H Seifert, and K Jäger, and A Bollinger
Department of Internal Medicine, University Hospital, Zürich, Switzerland.

Laser Doppler flux was measured at the forefoot in 12 healthy subjects and in 36 patients with different degrees of ischemia due to peripheral arterial occlusive disease. Two characteristic patterns of flow motion waves were observed: Large waves with a mean amplitude of 0.77 +/- 0.4 arbitrary units and a mean frequency of 3.03 +/- 1.0 c/min (0.051 +/- 0.02 Hz) and small waves with a mean amplitude of 0.21 +/- 0.1 arbitrary units and a mean frequency of 21.7 +/- 4.2 c/min (0.362 +/- 0.07 Hz). The prevalence of large waves tended to decrease with more advanced ischemia, whereas small waves occurred almost exclusively in ischemia and most frequently in severe cases. Large flow motion waves were enhanced during reactive hyperemia after arterial occlusion or appeared after peak flux had been reached. Time to peak flux or to vasomotion were reliable parameters for characterizing skin ischemia. The previously undescribed small flow motion waves might represent a compensatory mechanism involved in pathophysiology of ischemia.

UI MeSH Term Description Entries
D007511 Ischemia A hypoperfusion of the BLOOD through an organ or tissue caused by a PATHOLOGIC CONSTRICTION or obstruction of its BLOOD VESSELS, or an absence of BLOOD CIRCULATION. Ischemias
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D001783 Blood Flow Velocity A value equal to the total volume flow divided by the cross-sectional area of the vascular bed. Blood Flow Velocities,Flow Velocities, Blood,Flow Velocity, Blood,Velocities, Blood Flow,Velocity, Blood Flow
D005260 Female Females
D005528 Foot The distal extremity of the leg in vertebrates, consisting of the tarsus (ANKLE); METATARSUS; phalanges; and the soft tissues surrounding these bones. Feet
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006940 Hyperemia The presence of an increased amount of blood in a body part or an organ leading to congestion or engorgement of blood vessels. Hyperemia can be due to increase of blood flow into the area (active or arterial), or due to obstruction of outflow of blood from the area (passive or venous). Active Hyperemia,Arterial Hyperemia,Passive Hyperemia,Reactive Hyperemia,Venous Congestion,Venous Engorgement,Congestion, Venous,Engorgement, Venous,Hyperemia, Active,Hyperemia, Arterial,Hyperemia, Passive,Hyperemia, Reactive,Hyperemias,Hyperemias, Reactive,Reactive Hyperemias
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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