PMID: 30819976Mar 2, 2019Paper

Interim Results of the PROMISE I Trial to Investigate the LimFlow System of Percutaneous Deep Vein Arterialization for the Treatment of Critical Limb Ischemia

The Journal of Invasive Cardiology
Jihad A MustaphaPeter Schneider

Abstract

To investigate the feasibility, safety, and effectiveness of the LimFlow stent-graft system in performing percutaneous deep vein arterialization (pDVA) for treatment of critical limb ischemia (CLI) patients ineligible for conventional endovascular or surgical revascularization procedures. Ten no-option CLI patients (mean age, 67 ± 11 years; 30% women) were enrolled. All patients were classified as Rutherford class 5 or 6 and were deemed by a committee of experts to be ineligible for endovascular or surgical procedures to restore blood flow. Eighty percent were categorized as stage 4 (high risk of amputation) based on Society for Vascular Surgery wound, ischemia, and foot infection (SVS WIfI) scoring index. The primary safety endpoint was amputation-free survival (AFS) at 30 days. A secondary safety endpoint evaluated AFS at 6 months. Other secondary endpoints included primary patency, wound healing, and technical success. Amputation-free survival was achieved in 100% of patients, with no deaths or index limb above-ankle amputations observed at 30 days and 6 months. Technical success rate was 100%. No procedural complications were reported. Primary patency rates at 1 month and 6 months were 90% and 40%, respectively, with reinte...Continue Reading

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