Darsinos, J. TH.; Evagelou, A. M.; Rassidakis, A. N.
September 1974
Angiology;Sep1974, Vol. 25 Issue 8, p520
Academic Journal
1) In 37 lower extremities of 34 patients and in 14 extremities of 10 control subjects, calf blood flow was measured at rest and after ischaemic exercise by strain-gauge plethysmography. The pathological extremities were also studied by angiography and divided into four groups as follows: (1) atherosclerosis of patent arteries without occlusions. (2) proximal occlusions (femoral and/or popliteal only) (3) distal occlusions (calf arteries only), and (4) combined occlusions. 2) Rest flow in the patients was slightly but insignificantly lower than flow in the controls. Maximal flow, however, was definitely lower in the pathological group (P < 0.005). There was a linear correlation between rest and maximal flow in patients with proximal occlusions. 3) Maximal calf flow was significantly decreased in atherosclerosis of patent arteries without occlusions and in all types of occlusions. Moreover, atherosclerosis of patent arterial segments further decreased maximal blood flow in the presence of occlusions. 4) Maximal calf flow could neither he correlated with total length of occlusions in the affected extremity nor with maximal foot flow after body heating. 5) It is concluded that measurement of maximal calf blood flow is a useful procedure serving to recognize unapparent lesions and to test the progress of the disease as well as the effect of treatment in follow-up studies.


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