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  • Title: Improved technical success and midterm patency with subintimal angioplasty compared to intraluminal angioplasty in long femoropopliteal occlusions.
    Author: Ko YG, Kim JS, Choi DH, Jang Y, Shim WH.
    Journal: J Endovasc Ther; 2007 Jun; 14(3):374-81. PubMed ID: 17723006.
    Abstract:
    PURPOSE: To compare the efficacy of subintimal angioplasty combined with primary stenting to intraluminal angioplasty with stenting for revascularization of long (>10 cm) femoropopliteal arterial occlusions. METHODS: Baseline characteristics and outcomes of 52 patients (40 men; mean age 65.6+/-9.7 years) with superficial femoral artery (SFA) occlusions in 61 limbs (mean occlusion length 22.7+/-9.9 cm) treated with subintimal angioplasty and primary stenting were compared with a 54-patient control group (46 men; mean age 64.8+/-8.2 years) from our registry database who had intraluminal angioplasty with stenting in 60 limbs (mean occlusion length 22.0+/-8.5 cm). RESULTS: All baseline clinical and angiographic characteristics showed no differences. In all patients, at least 1 self-expanding nitinol stent was implanted. Subintimal angioplasty was successful in 58 (95.1%) of 61 limbs, whereas technical success for the conventional approach was 86.7% (52/60 limbs; p = 0.11). In both groups, there were no major complications requiring surgery. Primary patency at 12 months for successful cases was 76.4% for subintimal angioplasty and 59.2% for conventional angioplasty (p = 0.06); on an intention-to-treat basis, including technical failures, the rates were 72.4% and 50.9%, respectively (p = 0.02). CONCLUSION: Subintimal angioplasty combined with stenting was feasible, with a high technical success rate and better short and midterm results for revascularization of long femoropopliteal occlusions than the conventional intraluminal approach.
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