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- W2023135922 abstract "Purpose: The characteristics of progression of atherosclerotic occlusive disease (AOD) of the lower extremities after revascularization are unknown. Duplex scanning or angiography were used to determine progression in 150 patients after they underwent revascularization for AOD.Methods: Follow-up studies were compared with presurgical arteriograms. Superficial femoral (SFA) and popliteal arteries were graded as less than 50% stenosis, 50% to 99% stenosis, or occluded. Tibial arteries were graded with regard to whether they were continuously patent from the popliteal trifurcation to the ankle. Progression was defined as an increase in one stenosis category.Results: At a mean follow-up of 4.8 years, 18% of native arteries, 39% of extremities, and 52% of patients demonstrated progression of AOD. Overall, 21% of arteries in patients undergoing infrainguinal bypass and 14% of arteries in patients undergoing suprainguinal bypass demonstrated progression (p = 0.004). Progression was more frequently detected in examinations performed more than 4 years after baseline arteriography (66%) than in examinations performed 6 months to 2 years (45%, p = 0.032) or 2 to 4 years (44%, p = 0.029) after baseline arteriography. Thirty percent of SFAs demonstrated progression, and 32% with 50% stenosis or greater at baseline became occluded. There was no difference in SFA, popliteal, or tibial artery progression in revascularized versus nonrevascularized extremities after suprainguinal bypass. There was no difference in tibial artery progression in operated and nonoperated limbs after femoropopliteal artery bypass.Conclusions: AOD progression occurs frequently in patients requiring revascularization and is more prevalent in patients requiring femoropopliteal than in patients requiring suprainguinal bypass. AOD progression in patients undergoing vascular surgery is associated with the pattern of disease producing lower extremity ischemia and does not appear to be worsened by arterial reconstruction. (J VASC SURG 1995;22:450-6.)" @default.
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- W2023135922 date "1995-10-01" @default.
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- W2023135922 title "Progression of atherosclerosis in arteries distal to lower extremity revascularizations" @default.
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- W2023135922 doi "https://doi.org/10.1016/s0741-5214(95)70014-5" @default.
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