PMID: 15231887Jul 3, 2004Paper

Determinants of stent expansion in curved stenotic lesions: an in vitro experimental study

Journal of Vascular and Interventional Radiology : JVIR
Tudor PoernerKarl K Haase

Abstract

This study compared the expansion parameters of four different new-generation balloon-expandable stents in a curved stenotic phantom model. Five stents for each length and type, each with a 3.5-mm diameter (AVE, 12 mm and 18 mm; Penta, 13 mm and 18 mm; BX-Sonic, 13 mm and 18 mm; and Jostent Flex Master, 12 mm and 16 mm), were implanted in curved silicon models 3.25 mm in diameter with 58% concentric elastic stenoses. The forces exerted on the inner curvature were continuously registered. Minimal luminal diameter (MLD) and reference luminal diameter (RLD) of the stents, inflated balloon diameter at both ends of the stents during inflation (BD(ref)), and balloon diameter at the stenotic site during inflation (BD(min)) were determined by magnification radiography. The Penta and AVE stents presented greater RLD (Penta, 3.78 mm +/- 0.08; AVE, 3.75 mm +/- 0.13; BX-Sonic, 3.47 mm +/- 0.06; Jostent, 3.28 mm +/- 0.06) and MLD values (Penta, 2.94 mm +/- 0.18; AVE, 3.05 mm +/- 0.19; BX-Sonic, 2.68 mm +/- 0.06; Jostent, 2.53 mm +/- 0.09) than the BX-Sonic and Jostent stents. Displacement forces after stent placement were greater for AVE (0.034 N +/- 0.015) and Penta stents (0.023 N +/- 0.017) than for BX-Sonic (0.013 N +/- 0.007) and Joste...Continue Reading

References

Mar 1, 1994·Journal of Vascular and Interventional Radiology : JVIR·S V LossefK H Barth
May 1, 1996·Journal of Vascular and Interventional Radiology : JVIR·J L BerryR H Dean
May 29, 1999·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·R RieuJ Sainsous
May 18, 2000·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·P BarraganG Bayet

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Citations

Jan 5, 2006·Cardiovascular and Interventional Radiology·Marion HughesWojciech Cwikiel
Jun 5, 2014·Medical Engineering & Physics·Daria CosentinoAndrew J Narracott
Jul 15, 2015·Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions·Srikanth VallurupalliBarry F Uretsky
Nov 28, 2008·Journal of Neurosurgery·Hua-Qiao TanHe Zhang
Feb 6, 2017·Interventional Neuroradiology : Journal of Peritherapeutic Neuroradiology, Surgical Procedures and Related Neurosciences·Bu-Lang GaoDong-Hai Zhang

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