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  • Title: Percutaneous transluminal angioplasty of crural arteries.
    Author: Flueckiger F, Lammer J, Klein GE, Hausegger K, Pilger E, Waltner F, Aschauer M.
    Journal: Acta Radiol; 1992 Mar; 33(2):152-5. PubMed ID: 1532899.
    Abstract:
    In 91 patients suffering from peripheral arterial occlusive disease (Fontaine stage IIb-IV) 125 percutaneous transluminal angioplasties (PTA) of crural arteries were performed. Eighty-six of the dilatations were done in combination with a recanalization procedure (PTA, laser angioplasty, fibrinolysis) of a femoropopliteal obstruction in order to improve outflow. PTA was performed with 5 F balloon catheters 2.5 to 4 mm in diameter in combination with steerable guide wires. A primary technical success was achieved in 41 of 42 (97.6%) vessels with a single stenosis, in 64 of 68 (94.1%) vessels with 2 or more stenoses, and 9 of 15 (60%) vessels with total occlusions (overall primary success rate 91.2%). Complications included spasm (n = 3), thrombosis (n = 2), peripheral embolization (n = 2), and dissection (n = 1). None of the complications required surgical intervention. After PTA, accumulative patency rate of 71% at 2 years and 64.2% at 3 years was achieved. These results demonstrated that PTA of crural arteries is a safe procedure with an excellent primary success rate and satisfying long-term results. Thus we believe that even arterial occlusive disease in the clinical stage Fontaine IIb should be accepted as an indication for crural PTA. Furthermore, crural PTA should be used to improve reduced peripheral outflow after femoropopliteal PTA.
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