Antithrombotic Therapy Following Venous Stenting: International Delphi Consensus

Publication date: Available online 12 February 2018
Source:European Journal of Vascular and Endovascular Surgery
Author(s): Kristijonas Milinis, Ankur Thapar, Joseph Shalhoub, Alun H. Davies
Objective/backgroundDeep venous stenting is increasingly used in the treatment of deep venous obstruction; however, there is currently no consensus regarding post-procedural antithrombotic therapy. The aim of the present study was to determine the most commonly used antithrombotic regimens and facilitate global consensus.MethodsAn electronic survey containing three clinical scenarios on venous stenting for non-thrombotic iliac vein lesions, acute deep vein thrombosis (DVT), and post-thrombotic syndrome was distributed to five societies whose members included vascular surgeons, interventional radiologists, and haematologists. The results of the initial survey (phase 1) were used to produce seven consensus statements, which were distributed to the respondents for evaluation in the second round (phase 2), along with the results of phase 1. Consensus was defined a priori as endorsement or rejection of a statement by ≥ 67% of respondents.ResultsPhase 1 was completed by 106 experts, who practiced in 78 venous stenting centres in 28 countries. Sixty-one respondents (58% response rate) completed phase 2. Five of seven statements met the consensus criteria. Anticoagulation was the preferred treatment during the first 6–12 months following venous stenting for a compressive iliac vein lesion. Low molecular weight heparin was the antithrombotic agent of choice during the first 2–6 weeks. Lifelong anticoagulation was recommended after multiple DVTs. Discontinuation of anticoagulation after 6–12 months was advised following venous stenting for a single acute DVT. No agreement was reached regarding the role of long-term antiplatelet therapy.ConclusionsConsensus existed amongst respondents regarding anticoagulant therapy following venous stenting. At present, there is no consensus regarding the role of antiplatelet agents in this context.



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