Lassen, N. A.; Tvedegaard; Jeppesen, F. I.; Nielsen, P. E.; Bell, G.; Gundersen, J.
April 1972
Angiology;Apr1972, Vol. 23 Issue 4, p211
Academic Journal
Two methods for indirect measurement of the systolic blood pressure distally in the lower extremities are compared in 27 legs without and with occlusive arterial disease. Both methods are based on recording the pressure in an occluding cuff which just arrests the circulation to the tissues below the cuff. The Two methods for indirect measurement of the systolic blood pressure distally in the lower extremities are compared in 27 legs without and with occlusive arterial disease. Both methods are based on recording the pressure in an occluding cuff which just arrests the circulation to the tissues below the cuff. The occluding cuff was placed around the base of the first toe. As detectors of circulation to the pulp of the toe the clearance of intradermally injected Xenon-133 mixed with histamine was used in the one method and the volume increase recorded by a mercury-in-silastic strain gauge was used in the other method. Distal pressure ranging between 135 and 13 mm Hg were recorded. There was a slight systematic difference between the results obtained by the two methods, the strain gauge recording on average 4 mm Hg higher than the Xenon-method. A. highly significant correlation was found in the entire pressure range, r = 0.97, p < 0.001. The clinical value of distal blood pressure measurements for diagnosis and control of medical and surgical therapy in occlusive arterial disease is emphasized, and the relative merits of the two techniques are discussed.


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