Abstract
Background and Objectives: Peripheral arterial disease (PAD) contains a significant proportion of patients whose main pathology is located in the infragenicular arteries. The treatment of these patients requires a deliberate consideration due to the threat of possible complications of an intervention. In this retrospective study, the feasibility of a below-the-knee atherectomy (BTKA) via a 1.5 mm Phoenix atherectomy catheter and the patient outcome over the course of 6 months are investigated. Materials and Methods: The data of patients suffering from PAD with an infragenicular pathology treated via 1.5 mm Phoenix™ atherectomy catheter between March 2021 and February 2022 were retrospectively analyzed. Prior to the intervention, after 2 weeks and 6 months, the PAD stages were graded and ankle-brachial-indeces (ABI) were measured. Results: The study shows a significant improvement of ABI, both after 2 weeks and 6 months. Additionally, the number of PAD stage IV patients decreased by 15.2% over the course of 6 months, and 18.2% of the patients improved to PAD stage IIa. Only one bleeding complication on the puncture side occurred over the whole study, and no other complications were observed. Conclusions: Phoenix™ atherectomy usage in the BTKA area seems to be feasible and related to a favorable outcome in this retrospective study.&nbsp.
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