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KMID : 1037520150310040115
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Vascular Specialist International
2015 Volume.31 No. 4 p.115 ~ p.119
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Midterm Outcome of Femoral Artery Stenting and Factors Affecting Patency
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Yu Jae-Seoung
Park Keun-Myoung
Jeon Yong-Sun
Cho Soon-Gu
Hong Kee-Chun
Shin Woo-Young
Choe Yun-Mee
Shin Seok-Hwan
Kim Kyung-Rae
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Abstract
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Purpose: The purpose of this study was to evaluate the early and midterm results of superficial femoral artery (SFA) stenting with self-expanding nitinol stents and to identify the factors affecting patency.
Materials and Methods: SFA stenting was performed in 165 limbs of 117 patients from January 2009 to December 2013. Patients were followed-up for the first occurrence of occlusion or stenosis based on computed tomography and duplex scan results and a decrease in ankle brachial index of >15%.
Results: During the follow-up period (mean, 15.3±3.2 months), no early thrombotic reocclusions occurred within 30 days, but in-stent restenosis developed in 78 limbs. The primary patency rates at 6, 12, 18, and 24 months were 78%, 66%, 42%, and 22%, respectively, and the secondary patency rates were 85%, 72%, 58%, and 58%, respectively. TASC II C or D lesions, stent length >8 cm, number of patent tibial arteries and diabetes were significantly associated with reintervention.
Conclusion: The midterm results of stenting for SFA occlusive disease were disappointing because the primary and secondary patency rates at two years were 22% and 58%, respectively. Reintervention after SFA stenting remains a major problem, particularly in patients with diabetes mellitus or long TASC II C or D lesions.
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KEYWORD
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Femoral artery, Peripheral arterial occlusive disease, Stents, Endovascular procedures
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