A complex examination of 60 patients with different stages of disturbances of blood circulation (by the Fontain classification) with chronic arterial insufficiency was performed. Specific features of regional hemodynamics were revealed in patient with "critical ischemia" (3rd and 4th stages of the disease). Threshold values of the "critical ischemia" were determined, most informative of them being the malleolus index and oxygen pressure on the foot. An analysis of results of the investigation in the dynamics of the treatment performed has shown possible effectiveness of restorative operations in treatment of patients with severe stages of chronic arterial insufficiency.
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