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  • Title: Systematic Review and Meta-Analysis of Iliofemoral Stenting for Post-thrombotic Syndrome.
    Author: Qiu P, Zha B, Xu A, Wang W, Zhan Y, Zhu X, Yuan X.
    Journal: Eur J Vasc Endovasc Surg; 2019 Mar; 57(3):407-416. PubMed ID: 30414801.
    Abstract:
    OBJECTIVE: Stent placements are considered as a treatment for post-thrombotic syndrome (PTS) with iliofemoral obstruction, but the application of these iliofemoral venous stents has also caused a lot of controversy. The purpose of this systematic review and meta-analysis was to summarise the efficacy and safety of venous stents in PTS with obstruction in iliofemoral venous segments. METHODS: MEDLINE, EMBASE, and the Cochrane Central Register for Controlled Trials databases and key references were searched up to 15 January 2018. The main relevant outcomes included technical success, peri-operative complications, symptom resolution, a change of symptom scores, and long-term patency of the stents. RESULTS: Overall, 504 limbs of 489 patients from seven studies were included in this study. A GRADE assessment showed the quality of the evidence was "very low" for 11 relevant outcomes. The technical success rate was 95%. The pooled rate of complications including 30 day thrombotic event, per-operative venous injury, and back pain was 3.4%, 18.14%, and 52%, respectively. The rates of ulcer healing, pain and oedema relief were 75.66%, 52%, and 42%, respectively. The primary, assisted primary and secondary patency rates were 83.36%, 90.59%, and 94.32%, respectively, at 12 months and 67.98%, 82.26%, and 86.10%, respectively, at 36 months. CONCLUSIONS: Endovenous stenting has the potential to be effective and has a low risk of peri-operative complications. The quality of evidence to support this treatment is very low. Endovenous iliofemoral stenting should be considered a treatment option for PTS with iliofemoral obstruction.
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