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Percutaneous Deep Venous Arterialization Using an IVUS-Guided Technique in no-Option Patients with Chronic
Bruno Migliara1, Giovanni Feriani2, Mattia Mirandola2
1Vascular and Endovascular Unit, Department of Surgery, Pederzoli Hospital, Ospedale Pederzoli, Via Monte Baldo, 26, 37019, Peschiera del Garda, Verona, Italy. bruno.migliara@gmail.com.
Purpose:
In some patients, revascularization is not possible or is not effective. For these, percutaneous deep vein arterialization (p-DVA) could be considered an alternative treatment. The aim of this study is to evaluate the long-term results of an intravascular ultrasound (IVUS)-guided technique that has only one percutaneous access.
Materials And Methods:
This is a prospective monocentric study on 18 no-option CLTI limbs treated with an IVUS-guided p-DVA. The primary outcome measures are: the freedom from major adverse events (MAEs) and survival at 30 days; limb salvage and amputation free survival (AFS) at 30 days, 6 months, 12 months and 24 months. The secondary outcome measures are: procedural success, survival, patency and wound healing.
Results:
We treated 14 patients with no-option CLTI, carrying out 18 p-DVA. Median age was 74,4 years (60-87). All these patients had a previous failed angioplasty of the tibial and foot arteries. Procedural success rate, defined as the establishment of arterial flow into the venous system of the foot, was 100%. No deaths and MAEs recorded at 30 days. Survival was 100%, 83.4% and 77.8%; limb salvage was 88.9%, 77.8% and 77.8%; AFS was 88.9%, 61.1% and 55.6% at 6, 12 and 24 months. Complete wound healing was 18.7% at 6 months, 80.0% at 12 months and 100% at 24 months.
Conclusion:
Based on these results, the IVUS-guided p-DVA seems to be safe and effective for no-option CLTI patients, with no mortality related to the intervention, an acceptable limb salvage rate and amputation free survival.
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