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Comparison of Standard One-Minute Treadmill Exercise and Strandness Test (Absolute Walking Distance) in Relation to Site of Lesion, Walking Distance, and Diastolic Blood Flow Velocity (Doppler Curves)

Institut de Recherches Cardiovascularies Royat, France

Jean-Jacques Dubost

Institut de Recherches Cardiovascularies Royat, France

Philippe Pochon

Institut de Recherches Cardiovascularies Royat, France

Pierre Duchene-Marullaz

Unité 195 Inserm, Faculté de Medecine, Clermont-Ferrand, France

In 215 outpatients suffering from occlusive arterial disease of the lower limbs the authors compared the decrease in the ratio of ankle systolic pressure to brachial systolic pressure according to whether the treadmill exercise was limited to one minute or extended until pain forced the patient to stop. After a one-minute walk the pressure index always decreased significantly, especially when walking was restricted. The decrease in the pressure index was generally greater when the exercise was continued until the absolute walking distance, and the recovery time was usually twice as long. The fall in the pressure index was significantly greater for patients with single and multiple iliac stenoses than for those with stenoses at lower levels. In patients having a diastolic blood flow velocity on Doppler curves at rest, not modified by walking, a maximum drop in peripheral pressure was recorded after walking for one minute. In this instance there was no intensification of the decrease in peripheral pressure, unlike in patients without a diastolic blood flow velocity at rest.

This one-minute test is not a maximal hemodynamic response, but it is suf ficient for the appreciation of ischemia during exercise, according to the differ ent parameters measured.

Angiology, Vol. 41, No. 10, 869-876 (1990)
DOI: 10.1177/000331979004101009


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