ArticleEuropean journal of medical research2025
S.M.A.R.T. Flex vascular stent system in femoropopliteal arteries: 18-month result of a real-world registry.
Article in European journal of medical research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
- Percutaneous Atherectomy Versus Balloon Angioplasty/Stenting in the Treatment of Femoropopliteal Arterial Occlusive Disease.Journal of clinical medicine · 2025Article
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Authors and funding
9 authors.
Funding
Abstract
objectiveTo evaluate the efficacy and safety of the S.M.A.R.T. Flex stents for treating femoropopliteal (FP) occlusive lesions, including complex Trans-Atlantic Inter-Society Consensus (TASC) II C/D and severely calcified lesions.
methodsThis retrospective study utilized the TALENT registry database (a prospective study), enrolling patients who underwent S.M.A.R.T. Flex implantation from January 2021 to July 2022. The primary effectiveness endpoint was the rate of freedom from clinically driven target lesion revascularization (CD-TLR) at 18 months, and the primary safety endpoint was the 18-month rate of freedom from major adverse events (all-cause death, above-the-ankle target limb amputation, or CD-TLR).
resultsA total of 122 patients with 124 limbs were included, with an average follow-up of 617 days. The average lesion length was 24.9 ± 20.4 cm, and 73.8 and 54.1% of the lesions had chronic total occlusions and chronic limb-threatening ischemia, respectively. A total of 127 stents were placed in 107 limbs, with 1 stent placed in 88 limbs (82.2%), 2 stents placed in 18 limbs (16.8%), and 3 stents implanted in 1 limb (0.9%). In this study, 50.5% of the limbs were treated with DCBs, and 83.3% of the TASC C/D lesions were treated primarily with DCBs. The 12- month rate of primary patency was 73.1%. The 18-month rate of freedom from CD-TLR was 93.9% (95% CI: 89.2-98.8%), and the major adverse event-free rate was 75.7% (95% CI: 68.0-84.3%). A total of 92.5% of patients showed primary sustained clinical improvement, and the Vascular Quality of Life Questionnaire scores were significantly improved at 18 months compared with baseline.
conclusionsThe S.M.A.R.T. Flex stents demonstrate promising efficacy and safety as a treatment option for long-segment complex femoropopliteal artery lesions.
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