Abstract
Purpose
To compare femoro-popliteal bypass and interwoven nitinol stenting for long occlusions of the femoro-popliteal segment.
Materials and Methods
Single center retrospective propensity matching analysis of the symptomatic patients with long occlusion of the femoro-popliteal segment (> 20 cm), who underwent stenting with interwoven nitinol stent or femoro-popliteal bypass from 2012 to 2020. Primary endpoints: primary patency, primary-assisted patency, secondary patency. Secondary endpoints: major adverse cardiovascular events, major adverse limb events, primary sustained clinical improvement, survival.
Results
A total of 437 patients were enrolled: 294 in the bypass group and 143 in the endovascular therapy (EVT) group. After propensity score matching, 264 and 113 patients remained in the groups, respectively. A median occlusion length was 250 mm. One-year and two-year primary and secondary patency rates were comparable in both groups (two-year primary patency: 68.5% for bypass vs. 68.9% for EVT, p = 1.00). In the “above the knee” subgroup analysis, two-year secondary patency was higher in the EVT group than in the bypass group (90.9% vs. 77.5%, p = 0.048). In “below-the-knee” subgroup analysis, primary and primary assisted patency were statistically significantly higher in the EVT group than in artificial bypass subgroup (66.7% vs. 42.4%, p = .046 and 76.7% vs. 45.5%, p = .011, respectively). However, compared to autovenous bypass, the EVT group showed lower primary patency rates, although the differences are not significant.
Conclusion
A nonselective endovascular strategy can allow for regular successful treatment of femoro-popliteal lesions longer than 25 cm.
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Gostev, A.A., Osipova, O.S., Saaya, S.B. et al. Bypass Versus Interwoven Nitinol Stents for Long Femoro-Popliteal Occlusions: A Propensity Matched Analysis. Cardiovasc Intervent Radiol 45, 929–938 (2022). https://doi.org/10.1007/s00270-022-03134-x
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DOI: https://doi.org/10.1007/s00270-022-03134-x