RE: “Long-term follow-up of stenting across the ilio-caval confluence in patients with iliac venous lesions”: the value of using IVUS and a dedicated oblique venous stent for deep vein work involving the ilio-caval bifurcation

  • T. Y. TangEmail author
  • R. Goh
  • K. Damodharan
  • E. C. Choke
  • T. T. Chong
  • Y. K. Tan
Letter to the Editor

Dear Sir,

We read with interest the paper by Zhang et al. investigating the safety and patency of iliac vein stents extending into the inferior vena cava (IVC), which demonstrated a very low incidence of thrombosis in the contralateral iliac vein (0.55% or 1/183 patients) [1]. The incidence of contralateral deep vein thrombosis (DVT) in this study is remarkably lower than previously published data (1–9.7%) [2, 3], especially as the cohort contained both thrombotic and non-thrombotic iliac vein lesions. Concerns regarding contralateral DVT after common iliac vein (CIV) stent placement in patients with May-Thurner Syndrome (MTS) was recently highlighted by Le et al. [4]. The authors showed that the incidence of contralateral DVT after CIV stent placement was relatively high in their retrospective analysed series [10/111 (9%) patients] and typically occurred late during follow-up (median time of approximately 40 months). They identified that over extension of the CIV stent into the IVC...




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  1. 1.
    Zhang X, Jing Y, Sang H, Chen Z, Sun Y, Li X. Long-term follow-up of the stenting across the iliocaval confluence in patients with iliac venous lesions. J Thromb Thrombolysis. 2018Google Scholar
  2. 2.
    Khairy SA, Neves RJ, Hartung O, O’Sullivan GJ (2017) Factors associated with contralateral deep venous thrombosis after iliocaval venous stenting. Eur J Vasc Endovasc Surg 54(6):745–751CrossRefGoogle Scholar
  3. 3.
    Murphy EH, Johns B, Varney E, Buck W, Jayaraj A, Raju S (2017) Deep venous thrombosis associated with caval extension of iliac stents. J Vasc Surg Venous Lymphat Disord 5(1):8–17CrossRefGoogle Scholar
  4. 4.
    Le TB, Lee TK, Park KM, Jeon YS, Hong KC, Cho SG (2018) Contralateral deep vein thrombosis after iliac vein stent placement in patients with may-thurner syndrome. J Vasc Interv Radiol 29(6):774–780CrossRefGoogle Scholar
  5. 5.
    Zhang X, Chen Z, Sun Y, Xu M, Pan G (2015) Influence of Iliac vein stent implantation on the contralateral Iliac vein. Vasc Endovascular Surg 49(5–6):119–123CrossRefGoogle Scholar
  6. 6.
    Ye K, Lu X, Li W, Huang Y, Huang X, Lu M et al (2012) Long-term outcomes of stent placement for symptomatic nonthrombotic iliac vein compression lesions in chronic venous disease. J Vasc Interv Radiol 23(4):497–502CrossRefGoogle Scholar

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Authors and Affiliations

  1. 1.Department of Vascular SurgerySingapore General HospitalSingaporeSingapore
  2. 2.Department of General SurgerySengkang General HospitalSengkangSingapore
  3. 3.Department of Interventional RadiologySengkang HospitalSengkangSingapore
  4. 4.Department of General SurgeryChangi General HospitalSimeiSingapore

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