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Short vs prolonged dual antiplatelet treatment upon endovascular stenting of peripheral arteries

Authors Kronlage M, Wassmann M, Vogel B, Müller OJ, Blessing E, Katus H, Erbel C

Received 5 June 2017

Accepted for publication 31 July 2017

Published 6 October 2017 Volume 2017:11 Pages 2937—2945

DOI https://doi.org/10.2147/DDDT.S143226

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Akshita Wason

Peer reviewer comments 3

Editor who approved publication: Dr Anastasios Lymperopoulos

Mariya Kronlage,1 Maximilian Wassmann,1 Britta Vogel,1 Oliver J Müller,1 Erwin Blessing,2 Hugo Katus,1,3 Christian Erbel1

1Department of Cardiology, Angiology and Pneumology, University Hospital Heidelberg, Heidelberg, 2SRH Klinikum Karlsbad Langensteinbach, Karlsbad, 3DZHK German Center for Cardiovascular Research, Partner Site Heidelberg/Mannheim, Mannheim, Germany

Introduction: Peripheral artery disease (PAD) is a highly prevalent disorder with a substantial economical burden. Dual antiplatelet treatment (DAPT) upon endovascular stenting to prevent acute thrombotic reocclusions is an universally accepted practice for postinterventional management of PAD patients. However, the optimal period of time for DAPT upon endovascular stenting is not known.
Methods: In the current nonrandomized, retrospective monocentric study, we evaluated the duration of DAPT upon endovascular stenting. A total of 261 endovascular SFA and iliac stenting procedures were performed on 214 patients and these patients were subdivided into a short (4–6 weeks) or a prolonged (8–12 weeks) DAPT regime group. More than 65% of the patients included were male, approximately 35% were diabetic, and 61% had a history of smoking. Of all the patients, 90% exhibited a Rutherford stage 2–3, and approximately half of the patients had a moderate-to-severe calcified target lesion with a length of >13 cm. Major safety end points were defined as any bleeding, compartment syndrome, and ischemic events. In addition to this, patency, all-cause mortality, as well as amputation were followed up over a period of 12 months upon intervention.
Results: Twelve months after endovascular stenting, primary patency in our cohort was comparable between the groups (83.94% short vs 79.8% long DAPT, P>0.05). Major bleeding occurred in 18 cases without any difference between the groups (P>0.05). In addition, during the 12-month follow-up, 6 (3.4%) patients in the short and 3 (3.5%) in the prolonged DAPT regime suffered a stroke/transient ischemic attack (P>0.05). In addition, there was no difference regarding mortality and amputation rate comparing short vs prolonged DAPT regime in a 12-month follow-up.
Conclusion: In the current cohort, prolonged DAPT after endovascular stenting had no beneficial effect on the outcome in a 12-month follow-up.

Keywords: peripheral artery disease, stent implantation, dual antiplatelet therapy, primary patency, endovascular therapy

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A comparative study on endovascular treatment of (sub)acute critical limb ischemia: mechanical thrombectomy vs thrombolysis

Kronlage M, Printz I, Vogel B, Blessing E, Müller OJ, Katus HA, Erbel C

Drug Design, Development and Therapy 2017, 11:1233-1241

Published Date: 18 April 2017