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Fibrinolytic therapy with streptokinase preparations was administered to 79 patients. Hemorrhagic, embolic, thrombotic, and allergic complications were observed over the course of therapy. Massive bleedings occurred in 3 (4%) patients, two of them died. Negligible hematomas at the site of vessel puncture were seen in 11 (14.4%) cases. Distal arteries embolization developed in 6 (7.6%) patients. Nine patients (11.4%) developed early re-thromboses soon after therapy was over. Allergic reactions presenting as hyperthermia and short-term chill were observed in one third of the patients. Measures to prevent possible complications of fibrinolytic therapy are strict adherence to thrombolysis methods and a dynamic laboratory monitoring over the course of therapy.

The paper provides the results of multimodality conservative therapy in 527 patients with chronic obliterating diseases of extremity arteries, which was performed in the outpatient setting. Factors influencing its efficiency were analyzed. The paper emphasizes the value of this direction of treatment whose underestimation sharply aggravates the prognosis of these diseases, including the results of their surgical management. Having obtained positive results in 84.5% of patients, the authors note the efficiency of treatment to be decreased with severe arterial insufficiency of lower extremities (5% of negative results in Stage IIa, 23% in Stage IIb, and 40% in Stage III), in patients with prior surgical interventions, and in elderly patients with atherosclerosis obliterans and younger patients with non-specific aortoarteritis.

Fibrinolytic therapy (FLT) was applied in 79 patients, aged from 37 to 76 years, suffering from thromboses of the main arteries of the pelvis and lower extremities. The duration of the disease ranged from one day to 8 months. FLT was conducted with streptokinase preparations: streptodekase, avelysin, and celiase. FLT lasted 24 hours on average (from 7 hours to 3 days depending on the duration of the disease). The main blood flow in the affected arterial segment was completely restored in 49 (62%) patients. In 30 (38%) cases attempts to restore the blood flow failed. The affected extremity was amputated in 4 patients. Severe hemorrhagic complications occurred in 4%., small subcutaneous hematomas in 14.4%, fragmentation of thrombi with the development of distal embolism in 7.6% of cases, anaphylactic shock developed in one patient. Four patients died.

Regional thrombolysis was performed in 62 patients with thrombosis of the aorta and arteries of the pelvis and lower extremities. The thrombolytics used were avelysin (20 patients) and celiase (42 patients). Complete lysis of the thrombi was recorded in 49 cases. After successful thrombolytic therapy balloon angioplasty of the revealed stenoses was carried out in 39 patients. After thrombolysis was completed 15 patients underwent various reconstructive operations which failed to produce an effect in 4 patients and the extremity was amputated. The complications of thrombolysis included hematomas at the site of catheterization of the arteries in 5 patients, distal embolism in 7, and an allergic reaction in one patient. The authors appraise the dependence of thrombolysis efficacy on the level, extent, and duration of the thrombotic occlusion.