Cardiovascular revascularization medicine : including molecular interventions · 2017
A single-center retrospective analysis of patency rates of intraluminal versus subintimal endovascular revascularization of long femoropopliteal occlusions.
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Babaev Anvar, Hari Pawan, Gokhale Rohit, Zavlunova Susanna
Аннотация
OBJECTIVE: The evaluation of patency rates of intraluminal versus subintimal endovascular revascularization of long femoropopliteal (FP) lesions.
BACKGROUND: Chronic total occlusions (CTO) of the FP artery in peripheral interventions are crossed either with a support catheter-guidewire based technique or subintimal dissection and re-entry device assisted approach. Both techniques have a high procedural success rate, but their long term patency is not well studied. There is also lack of comparative data addressing the patency of long non-CTO vs. CTO occlusions.
METHODS: We performed a single center retrospective analysis, studying the patency rates in 215 patients (254 limbs) with TASC C and D FP lesions treated with stents. There were 3 patient groups: without CTO (non-CTO); CTO crossed using support catheter and guide-wire (CTO-SW) and CTO crossed with a re-entry device (CTO-RE).
RESULTS: There were 155 limbs in CTO-SW group; 50 in CTO-RE group and 49 in non-CTO. Lesion length (mean±SD) was 251.81±7.48mm in CTO-SW group; 280±13.18mm in CTO-RE group and 248.77±13.31 in non-CTO group (p=non-significant). In-stent restenosis (ISR) at a mean follow-up of 19.26±16.14months did not differ between groups occurring in 23 (47%) limbs in non-CTO; 66 (42%) in CTO-SW; and 24 (48%) in CTO-RE. Smoking and stent fracture were predictors of ISR by multivariate analysis.
CONCLUSION: In patients with long FP lesions, ISR rates were similar between patients with and without CTO. In the CTO group mid-term vessel patency was not affected by the crossing technique utilized.
BACKGROUND: Chronic total occlusions (CTO) of the FP artery in peripheral interventions are crossed either with a support catheter-guidewire based technique or subintimal dissection and re-entry device assisted approach. Both techniques have a high procedural success rate, but their long term patency is not well studied. There is also lack of comparative data addressing the patency of long non-CTO vs. CTO occlusions.
METHODS: We performed a single center retrospective analysis, studying the patency rates in 215 patients (254 limbs) with TASC C and D FP lesions treated with stents. There were 3 patient groups: without CTO (non-CTO); CTO crossed using support catheter and guide-wire (CTO-SW) and CTO crossed with a re-entry device (CTO-RE).
RESULTS: There were 155 limbs in CTO-SW group; 50 in CTO-RE group and 49 in non-CTO. Lesion length (mean±SD) was 251.81±7.48mm in CTO-SW group; 280±13.18mm in CTO-RE group and 248.77±13.31 in non-CTO group (p=non-significant). In-stent restenosis (ISR) at a mean follow-up of 19.26±16.14months did not differ between groups occurring in 23 (47%) limbs in non-CTO; 66 (42%) in CTO-SW; and 24 (48%) in CTO-RE. Smoking and stent fracture were predictors of ISR by multivariate analysis.
CONCLUSION: In patients with long FP lesions, ISR rates were similar between patients with and without CTO. In the CTO group mid-term vessel patency was not affected by the crossing technique utilized.