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 PS126. Efficacy of Stent Placement vs. Balloon Angioplasty in Small Vessel of Femoropopliteal Disease

Norihiko Kamioka, Yoshimitsu Soga, Hideaki Aihara, Yusuke Tomoi, Yohei Kobayashi
Kokura Memorial Hospital, Kitakyushu-city, Japan.

OBJECTIVES: The aim of this study was to evaluate the efficacy of stent placement versus balloon angioplasty (BA) in less than 4.5mm diameter femoropopliteal (FP) lesions.

METHODS: This study was a multicenter retrospective analysis. A total of 2,742 consecutive patients (3,471limbs) with FP disease and 196 limbs below 4.5mm diameter femoropopliteal lesions were analyzed in current study; 122 (31.2%) were implanted the self-expanding nitinol stent, 269 (68.8%) were balloon angioplasty alone.

RESULTS: The mean follow-up term were 1.6±1.6 years. The mean reference vessel diameter was 3.8±0.4mm and the mean lesion length was 55.0±33.8mm. There was no significant difference in overall primary patency between BA group (73.9%, 52.2% and 44.5% at 1, 3 and 5 years) and stent group (65.5%, 47.3% and 37.6% at 1, 3 and 5 years; p=0.27), nor was there a significant difference with assisted-primary patency, secondary patency and MACE between in the two groups (p=0.22, 0.99 and 0.18, respectively). The independent predictors of primary patency were female gender, diabetes mellitus, history of cerebrovascular disease and lesion length.

CONCLUSIONS: Implantation of the self-expanding nitinol stent does not improves the primary, assisted-primary and secondary patency and decrease MACE for the femoropopliteal lesions in small vessels compared with balloon angioplasty.

AUTHOR DISCLOSURES: H. Aihara: Nothing to disclose; N. Kamioka: Nothing to disclose; Y. Kobayashi: Nothing to disclose; Y. Soga: Nothing to disclose; Y. Tomoi: Nothing to disclose.


There was no significant difference in overall primary patency between BA group and stent group.

Posted April 2013

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