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[Results of treatment in 118 foot necroses in relation to ankle blood pressure and diabetes. A one-year retrospective study of 108 patients].

The healing-rate in 118 necrotic lesions of the forefoot was investigated in 108 patients. The global healing frequency after 9 months amounted to 28%. A linear increase in healing was observed during this period. Later, no further healing occurred despite continuation of local treatment of the necrosis. The healing-rate was directly related to the distal (ankle) systolic blood pressure. Blood pressures under 50 mm Hg made healing impossible, whereas pressures above led to a healing-rate up to 37%. Diabetes mellitus had no influence on the healing-rate. Three guiding principles can be brought forward for the treatment of necrotic lesions of the forefoot: 1. When no healing is attained after 9 months, continuation of the local therapy is no longer worthwhile. 2. There is no likelihood of healing when the distal systolic blood pressure (ankle) is below 50 mm Hg. 3. Before commencing treatment the distal systolic blood pressure should be known. When this is low, measures to open vessels should be considered (operative, catheter technique, lysis) in order to raise the blood pressure above 50 mm Hg and thereby improve the healing prospects.