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International Angiology 2020 April;39(2):93-104

DOI: 10.23736/S0392-9590.19.04298-6


language: English

Endovascular treatment of iliofemoral deep venous thrombosis: is there enough evidence to support it? A systematic review with meta-analysis

João DINIZ , Andreia COELHO, Armando MANSILHA

Department of Angiology and Vascular Surgery, Faculty of Medicine, University of Porto, Porto, Portugal

INTRODUCTION: Post-thrombotic syndrome (PTS) and iliofemoral (IF) patency reduction are common complications of iliofemoral deep venous thrombosis (IFDVT). Recent studies suggested that endovascular treatment, such as catheter-directed thrombolysis (CDT) and pharmacomechanical thrombectomy (PMT) can effectively reduce the risk and morbidity of PTS in IFDVT patients. This article aims to review the current literature on the subject, focusing on the long-term outcomes of endovascular treatment techniques in IFDVT patients.
EVIDENCE ACQUISITION: A thorough systematic review of the literature was conducted using PubMed/Medline and Scopus, according to PRISMA statement guidelines. Forty articles were included, according to their scientific relevance, for the qualitative analysis. From this initial set of articles, nine articles were included for the quantitative analysis.
EVIDENCE SYNTHESIS: Endovascular treatment with CDT or PMT is related to a decreased risk of PTS development, when compared to standard anticoagulation treatment (OR=0.71; 95% CI=0.54-0.92). Furthermore, IF patency presents superior rates in patients treated with CDT or PMT, instead of anticoagulation (OR=3.20; 95% CI=1.80 -5.71). There are no significant differences in the risk of PTS and IF patency between patients treated with CDT and PMT. Complications such as bleeding, pulmonary embolism and death, don’t seem to differ between endovascular treatment and anticoagulation, as well as between CDT and PMT procedures.
CONCLUSIONS: Endovascular techniques seem to have satisfactory long-term outcomes in IFDVT, regarding to PTS risk and IF patency. However, further investigation with prospective randomized clinical trials with large populations and long follow-ups is necessary.

KEY WORDS: Venous thrombosis; Iliac vein; Femoral vein; Thrombolytic therapy

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