Abstract
The progressive course of lower extremity arterial disease (LEAD) inevitably leads to the development of intermittent claudication, critical ischemia, and gangrene. If a patient shows signs of critical ischemia and trophic disorders, he should undergo revascularization surgery. The development of reocclusion may be observed in the early period following the surgery. The aim of the work was to develop and validate a prognostic model of the results of revascularizing surgeries below the inguinal ligament. The study involved 133 patients with chronic arterial insufficiency of stages II B, III and IV according to Fontaine-Pokrovsky classification. 92 patients underwent open surgeries and 41 underwent endovascular surgeries. To build a prognostic model, 244 criteria were analyzed. The final model was built on the basis of such criteria as surgery type, levels of total cholesterol, homocysteine, cysteinylglycine, ankle brachial index increase, and diameter of the common femoral artery. This prognostic model has the following characteristics: Se = 85.71%, Sp = 82.56%, Acc = 83.33%
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