Comment on

• Techniques used for difficult retrievals of the Günther Tulip inferior vena cava filter: experience in 32 patients.

  Van Ha TG, Vinokur O, Lorenz J, Regalado S, Zangan S, Piano G, Funaki B. Van Ha TG, et al. J Vasc Interv Radiol. 2009 Jan;20(1):92-9. doi: 10.1016/j.jvir.2008.10.007. Epub 2008 Nov 21. J Vasc Interv Radiol. 2009. PMID: 19026562
• Technical success and safety of retrieval of the G2 filter in a prospective, multicenter study.

  Binkert CA, Drooz AT, Caridi JG, Sands MJ, Bjarnason H, Lynch FC, Rilling WS, Zambuto DA, Stavropoulos SW, Venbrux AC, Kaufman JA. Binkert CA, et al. J Vasc Interv Radiol. 2009 Nov;20(11):1449-53. doi: 10.1016/j.jvir.2009.08.007. J Vasc Interv Radiol. 2009. PMID: 19875062 Clinical Trial.
• Improving inferior vena cava filter retrieval rates: impact of a dedicated inferior vena cava filter clinic.

  Minocha J, Idakoji I, Riaz A, Karp J, Gupta R, Chrisman HB, Salem R, Ryu RK, Lewandowski RJ. Minocha J, et al. J Vasc Interv Radiol. 2010 Dec;21(12):1847-51. doi: 10.1016/j.jvir.2010.09.003. Epub 2010 Oct 28. J Vasc Interv Radiol. 2010. PMID: 21035356
• A method for following patients with retrievable inferior vena cava filters: results and lessons learned from the first 1,100 patients.

  Lynch FC. Lynch FC. J Vasc Interv Radiol. 2011 Nov;22(11):1507-12. doi: 10.1016/j.jvir.2011.07.019. Epub 2011 Sep 8. J Vasc Interv Radiol. 2011. PMID: 21903414