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Outcomes of spot stenting versus long stenting after intentional subintimal approach for long chronic total occlusions of the femoropopliteal artery

Authors
 Sung-Jin Hong  ;  Young-Guk Ko  ;  Dong-Ho Shin  ;  Jung-Sun Kim  ;  Byeong-Keuk Kim  ;  Donghoon Choi  ;  Myeong-Ki Hong  ;  Yangsoo Jang 
Citation
 JACC-CARDIOVASCULAR INTERVENTIONS, Vol.8(3) : 472-480, 2015 
Journal Title
 JACC-CARDIOVASCULAR INTERVENTIONS 
ISSN
 1936-8798 
Issue Date
2015
MeSH
Aged ; Aged, 80 and over ; Ankle Brachial Index ; Arterial Occlusive Diseases/diagnosis ; Arterial Occlusive Diseases/physiopathology ; Arterial Occlusive Diseases/therapy* ; Chronic Disease ; Constriction, Pathologic ; Endovascular Procedures/adverse effects ; Endovascular Procedures/instrumentation* ; Endovascular Procedures/methods* ; Female ; Femoral Artery*/physiopathology ; Humans ; Kaplan-Meier Estimate ; Male ; Middle Aged ; Multivariate Analysis ; Popliteal Artery*/physiopathology ; Propensity Score ; Proportional Hazards Models ; Prosthesis Design ; Recurrence ; Registries ; Retrospective Studies ; Risk Factors ; Stents* ; Time Factors ; Treatment Outcome ; Vascular Patency
Keywords
occlusion ; stenting ; subintimal angioplasty ; superficial femoral artery
Abstract
OBJECTIVES: This study sought to compare the outcomes of spot stenting versus long stenting after intentional subintimal approach for long femoropopliteal chronic total occlusions (CTO). BACKGROUND: The optimal stenting strategy following the subintimal recanalization of long femoropopliteal chronic total occlusions has not been investigated. METHODS: A total of 196 limbs in 163 patients, implanted with bare nitinol stents after subintimal approach in long femoropopliteal occlusions (lesion length 25 ± 8 cm), were retrospectively analyzed. The primary patency was compared between spot stenting (n = 129) and long stenting (n = 67). RESULTS: Baseline characteristics and immediate procedural results were similar between groups. Adjusted-primary patency (47% vs. 77%, p < 0.001) and adjusted-freedom from target lesion revascularization (52% vs. 84%, p < 0.001) at 2 years were significantly lower in the long stenting group than in the spot stenting group. The incidence of stent fracture, fracture type, and restenosis pattern did not differ between groups. Long stenting was an independent predictor of restenosis (hazard ratio [HR]: 2.0) along with other risk factors such as nonuse of clopidogrel (HR: 3.3) or cilostazol (HR: 2.2), small stent diameter (HR: 0.6), poor run-off (HR: 1.9), and post-procedural ankle-brachial index (HR: 0.1). Compared with spot stenting after adjustment using inverse probability of treatment weighting, long stenting, especially involving the P2 or P3 segment of the popliteal artery, was independently associated with 7.5-fold increases in restenosis risk (p < 0.001). CONCLUSIONS: The primary patency was significantly higher with spot stenting than with long stenting following subintimal approach for long femoropopliteal chronic total occlusions. The risk of restenosis was especially higher when long stenting was extended to the distal popliteal artery.
Full Text
http://www.sciencedirect.com/science/article/pii/S1936879814017609
DOI
10.1016/j.jcin.2014.10.016
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Ko, Young Guk(고영국) ORCID logo https://orcid.org/0000-0001-7748-5788
Kim, Byeong Keuk(김병극) ORCID logo https://orcid.org/0000-0003-2493-066X
Kim, Jung Sun(김중선) ORCID logo https://orcid.org/0000-0003-2263-3274
Shin, Dong Ho(신동호) ORCID logo https://orcid.org/0000-0002-7874-5542
Jang, Yang Soo(장양수) ORCID logo https://orcid.org/0000-0002-2169-3112
Choi, Dong Hoon(최동훈) ORCID logo https://orcid.org/0000-0002-2009-9760
Hong, Myeong Ki(홍명기) ORCID logo https://orcid.org/0000-0002-2090-2031
Hong, Sung Jin(홍성진) ORCID logo https://orcid.org/0000-0003-4893-039X
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/140305
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