Infrainguinal inflow assessment and endovenous stent placement in iliofemoral post-thrombotic obstructions

被引：17
作者：
Grøtta O. [1 ,4 ]
Enden T. [1 ]
Sandbæk G. [1 ,4 ]
Gjerdalen G.F. [3 ]
Slagsvold C.-E. [3 ]
Bay D. [1 ]
Kløw N.-E. [1 ,4 ]
Rosales A. [2 ]
机构：
[1] Division of Radiology and Nuclear Medicine, Oslo University Hospital, PO Box 4950, Nydalen, Oslo
[2] Department of Vascular Surgery, Oslo University Hospital, PO Box 4950, Nydalen, Oslo
[3] Section of Vascular Investigations, Department of Vascular Surgery, Oslo University Hospital Aker, PO Box 4950, Nydalen, Oslo
[4] Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, PO Box 1171, Blindern, Oslo
来源：
CVIR Endovascular | / 1卷 / 1期
关键词：
Endovenous; Inflow; Infrainguinal; Post-thrombotic; Stent;
D O I：
10.1186/s42155-018-0038-9
中图分类号：
学科分类号：
摘要：
Purpose: To assess the technical success, patency, and clinical outcome, following assessment of inflow and infrainguinal endovenous stent placement in patients with iliofemoral post-thrombotic obstruction with infrainguinal involvement. Methods: A retrospective analysis of 39 patients with iliofemoral post-thrombotic venous obstruction accepted for infrainguinal stent placement in the period November 2009–December 2016. The clinical status was categorized according to the Clinical Etiological Anatomical Pathophysiological (CEAP) classification and symptom severity was assessed using Venous Clinical Severity Score (VCSS). The inflow was categorized as “good”, “fair”, or “poor” depending on vein caliber and extent of post-thrombotic changes in the inflow vessel(s). Stent patency was assessed by duplex ultrasound. Median follow-up was 44 months (range 2–90 months). Results: Stent placement was successful in all 39 patients. Primary patency after 24 months was 78%. Thirty of 39 patients (77%) had open stents at final follow-up. Re-interventions were performed in four patients and included catheter-directed thrombolysis (CDT) in all and adjunctive stenting in two. Twenty-eight of 39 patients (72%) reported a sustained clinical improvement. Patients with “good” inflow had better patency compared to those with “fair”/“poor” (p = 0.01). One patient experienced acute contralateral iliofemoral thrombosis; this segment was successfully treated with CDT and stenting. No other complications required intervention. Conclusion: Infrainguinal endovenous stent placement was a feasible and safe treatment with good patency and clinical results, and should be considered in patients with substantial symptoms from post-thrombotic obstructions with infrainguinal involvement. Stents with good inflow have better patency and inflow assessment is essential in deciding the optimal stent landing zone. © 2018, The Author(s).
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