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The Journal of Cardiovascular Surgery 2021 Nov 18

DOI: 10.23736/S0021-9509.21.12113-5

Copyright © 2021 EDIZIONI MINERVA MEDICA

language: English

The role of atherectomy in BTK lesions. A systematic review

Apostolos G. PITOULIAS, Georgios A. PITOULIAS

Division of Vascular Surgery, 2nd Department of Surgery, School of Health Sciences, Faculty of Medicine, G. Gennimatas Thessaloniki Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece


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INTRODUCTION: To evaluate the current role of atherectomy techniques (ATH) in treatment of peripheral arterial disease (PAD) at below the knee (BTK) arteries.
EVIDENCE ACQUISITION: The PubMed and Embase were searched (last search on 11 September 2021) for studies reporting on the early and mid-term outcomes of ATH in BTK vessels. Analysis included the data from six studies, with a total of 1062 PAD patients treated with various ATH techniques. We compared them the ATH outcomes with the contemporaneous outcomes of plain balloon angioplasty alone or with bailout stenting. Early safety and efficacy were accessed with perioperative and 30-day technical success rate, which included the primary patency of the treated BTK arterial segment. Evaluation of clinical performance was based on target limb revascularization (TLR) and on major limb adverse events (MALEs) rates.
EVIDENCE SYNTHESIS: The current body of literature mainly includes retrospective observational studies, and the level of derived evidence is low. The mean perioperative and 30-day technical success rate was 87.3%. The mean reported TLR and MALEs rates at 12 months were 6.6% and 4.7% respectively. The relevant rates in studies reporting at 24 months were 24.3% and 31.7% while in studies reporting at 36 months the rates were 37.0% and 23.0% respectively.
CONCLUSIONS: Based in low-quality evidence, it seems that ATH in BTK vessels has a high safety, high efficacy profile and durable outcomes at 12 months. In the midterm, the clinical success of ATH is compromised by increased TLR and MALEs rates. Comparison of ATH with other endovascular techniques in BTK treatment of PAD shows a slight lead of ATH at 1-year and equivalent clinical performance in the mid-term. Overall, ATH has a significant and potentially predominant role in treatment of BTK vessels.


KEY WORDS: Atherectomy; Below-the-knee; PTA; Balloon angioplasty; Stenting

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