Dynamic imaging of coronary stent structures: An ECG-gated three- dimensional intracoronary ultrasound study in humans

N. Bruining, C. Von Birgelen, P. J. De Feyter, J. Ligthart, P. W. Serruys, J. R.T.C. Roelandt* (Corresponding Author)

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)

Abstract

Three-dimensional (3D) intracoronary ultrasound (ICUS) systems allow dynamic 3D reconstruction of coronary segments after stent deployment, but motion artifacts are frequently present. The use of an electrocardiographic- gated ICUS image acquisition workstation and a dedicated pullback device may overcome this problem. In the present study, we evaluated the potential of dynamic 3D reconstruction of intracoronary stents in 51 patients. Two different types of stent designs were investigated: (1) the Wallstent (mesh type; n = 36) and (2) the Cordis Coronary stent (coil type; n = 15). There was a tendency for imaging of the mesh stent type to be better than imaging of coil type stents (p = 0.06). Differences in the orientation of the stent struts (mesh:longitudinal; coil:transversal) most likely explain this difference. These in vivo observations were tested and confirmed in in vitro experiments. In conclusion, dynamic 3D ICUS reconstruction of the entire stent architecture in vivo was feasible for stents of mesh type, while stents of coil type were incompletely visualized.

Original languageEnglish
Pages (from-to)631-637
Number of pages7
JournalUltrasound in medicine and biology
Volume24
Issue number5
DOIs
Publication statusPublished - 1 Jun 1998
Externally publishedYes

Keywords

  • Computer-assisted methods
  • Coronary vessels
  • Image processing
  • Intracoronary ultrasound
  • Stents
  • Ultrasonography

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