Facilitated intravascular ultrasound-guided balloon-assisted re-entry technique for complex lower extremity chronic total occlusions: The FIBRE technique.
2020
Abstract Purpose To examine the efficacy and safety of the facilitated intravascular ultrasound (IVUS)-guided balloon assisted-re-entry (FIBRE) technique in the treatment of complex, chronic total occlusion (CTO) peripheral arterial lesions. Methods A retrospective analysis of 150 patients undergoing peripheral intervention for lower extremity CTO was performed from 2014-2017 at two institutions. From the selected population, 10 patients with complex CTOs were identified using the FIBRE technique. Procedural success, 30 day and 6 month patency rates, ankle brachial index improvement, and complications were analyzed. Results Ten out of 150 patients had the FIBRE technique utilized to attempt revascularization of a complex CTO of a femoropopliteal artery. Technical success was achieved in all 10 patients (100%). There were no intra-operative or peri-procedural complications reported including vessel perforation, bleeding, distal embolization, infrapopliteal vessel compromise, or infection. Arterial studies were obtained at 30 days and 6 months to assess patency in 9/10 patients (90%), with 1 patient being lost to follow up. Of the 9 patients, all 9 (100%) had documented arterial patency at both 30 days and 6 months. All patients reported improvement in symptoms. There were also no reports of re-intervention, amputation, or death at 6-month follow up. Conclusions The FIBRE technique is a safe and feasible strategy with excellent technical success in experienced hands for revascularization of complex lower extremity CTO when conventional modalities fail.
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