Comment on

• Multiple periscope and chimney grafts to treat ruptured thoracoabdominal and pararenal aortic aneurysms.

  Pecoraro F, Pfammatter T, Mayer D, Frauenfelder T, Papadimitriou D, Hechelhammer L, Veith FJ, Lachat M, Rancic Z. Pecoraro F, et al. J Endovasc Ther. 2011 Oct;18(5):642-9. doi: 10.1583/11-3556.1. J Endovasc Ther. 2011. PMID: 21992633
• Use of chimney grafts in aortic arch pathologies involving the supra-aortic branches.

  Gehringhoff B, Torsello G, Pitoulias GA, Austermann M, Donas KP. Gehringhoff B, et al. J Endovasc Ther. 2011 Oct;18(5):650-5. doi: 10.1583/11-3504.1. J Endovasc Ther. 2011. PMID: 21992634
• Single superior mesenteric artery periscope grafts to facilitate urgent endovascular repair of acute thoracoabdominal aortic pathology.

  Dias NV, Resch T, Sonesson B, Malina M. Dias NV, et al. J Endovasc Ther. 2011 Oct;18(5):656-60. doi: 10.1583/11-3611.1. J Endovasc Ther. 2011. PMID: 21992635