OPERATIVE TREATMENT FOR THREATENED GANGRENE OF THE FOOT

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Abstract
Threatened or slow gangrene of the foot follows a diminution of the caliber of the blood vessels supplying the foot. This results from a disease which may be clearly systemic or which may manifest itself chiefly in the blood vessels of the lower extremities. Sudden occlusions, as by emboli, with consequent rapid gangrene, do not come under the title of this paper. The diseases of the vessels which cause slow or threatened gangrene of the foot may be divided into four groups: 1. Arteriosclerosis. —This condition is caused by toxic products which may come from deranged metabolism, as in nephritis; from infectious diseases, as syphilis, or from general wear and tear, as in old age. It is found chiefly in the arteries. There is excessive thickening of the media or intima or of both. 2. Intermittent Claudication. — This disease was described by Charcot and occurs in the legs. It

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