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Treatment of Superficial Femoral Artery Restenosis.
Journal of Vascular and Interventional Radiology : JVIR 2017 December
PURPOSE: To determine the predictors of restenosis, major adverse limb events (MALEs), postoperative death (POD), and all-cause mortality after repeat endovascular treatment of superficial femoral artery (SFA) restenosis.
MATERIALS AND METHODS: This was a retrospective review of 440 patients with 518 SFA lesions who were treated between January 2002 and October 2011. Ninety-six limbs were treated for restenosis with bare metal stents (BMSs) or percutaneous transluminal angioplasty (PTA), of which 28 limbs developed another restenosis requiring a third procedure. The interaction measured in this study was between the second and third intervention. Predictors of SFA patency, MALEs, POD, and all-cause mortality after SFA restenosis treatment were identified.
RESULTS: Patients who were treated with BMSs (n = 51) had similar rates of restenosis compared with patients who were treated with PTA (n = 45) (hazard ratio [HR] 1.40; 95% confidence interval [CI] 0.68-2.90; P = .37). Patients in the BMS group who took statins had a significantly lower risk of restenosis than patients who did not take statins (HR 0.13; 95% CI 0.04-0.41; P < .001). Stage 4-5 chronic kidney disease (CKD) (n = 12) was associated with a significantly higher risk of MALE + POD (HR 6.17; 95% CI 1.45-26.18; P = .014) and all-cause mortality (HR 2.83; 95% CI 1.27-6.33; P = .01). Clopidogrel was protective against all-cause mortality (HR 0.41; 95% CI 0.20-0.80; P = .01).
CONCLUSIONS: Patients in the BMS group who took statins at the time of intervention had a significantly lower risk of developing restenosis. Stage 4-5 CKD was a risk factor for MALE + POD and all-cause mortality, while clopidogrel decreased all-cause mortality risk.
MATERIALS AND METHODS: This was a retrospective review of 440 patients with 518 SFA lesions who were treated between January 2002 and October 2011. Ninety-six limbs were treated for restenosis with bare metal stents (BMSs) or percutaneous transluminal angioplasty (PTA), of which 28 limbs developed another restenosis requiring a third procedure. The interaction measured in this study was between the second and third intervention. Predictors of SFA patency, MALEs, POD, and all-cause mortality after SFA restenosis treatment were identified.
RESULTS: Patients who were treated with BMSs (n = 51) had similar rates of restenosis compared with patients who were treated with PTA (n = 45) (hazard ratio [HR] 1.40; 95% confidence interval [CI] 0.68-2.90; P = .37). Patients in the BMS group who took statins had a significantly lower risk of restenosis than patients who did not take statins (HR 0.13; 95% CI 0.04-0.41; P < .001). Stage 4-5 chronic kidney disease (CKD) (n = 12) was associated with a significantly higher risk of MALE + POD (HR 6.17; 95% CI 1.45-26.18; P = .014) and all-cause mortality (HR 2.83; 95% CI 1.27-6.33; P = .01). Clopidogrel was protective against all-cause mortality (HR 0.41; 95% CI 0.20-0.80; P = .01).
CONCLUSIONS: Patients in the BMS group who took statins at the time of intervention had a significantly lower risk of developing restenosis. Stage 4-5 CKD was a risk factor for MALE + POD and all-cause mortality, while clopidogrel decreased all-cause mortality risk.
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