European Journal of Vascular & Endovascular Surgery
Volume 17, Issue 1 , Pages 47-55, January 1999

Effect and Outcome of Balloon Angioplasty and Stenting of the Iliac Arteries Evaluated by Intravascular Ultrasound

  • K.J Vogt

      Affiliations

    • Department of Vascular Surgery, Rigshospitalet, University of Copenhagen, Denmark
    • ,
  • J.G Rasmussen

      Affiliations

    • Department of Radiology, Rigshospitalet, University of Copenhagen, Denmark
    • ,
  • S Just

      Affiliations

    • Department of Radiology, Rigshospitalet, University of Copenhagen, Denmark
    • ,
  • T.V Schroeder

      Affiliations

    • Department of Vascular Surgery, Rigshospitalet, University of Copenhagen, Denmark

Accepted 26 June 1998.

Article Outline

Abstract 

Objectivesto document the mechanism of percutaneous transluminal angioplasty (PTA) and stenting of the iliac arteries, and to relate the effect to patency.Materials and methodsthirty-seven stenotic iliac arteries were examined by intravascular ultrasound (IVUS) and arteriography before and after PTA, and after stent deployment (n=16). The patients were followed prospectively by duplex scanning at 3, 6, 12, 18 and 24 months after the intervention.Resultsthe effect of PTA was established by both compression and stretching with the major contribution arising from stretching. There were differences in the effect of PTA dependent on plaque morphology: in homogeneous eccentric lesions, stretching contributed significantly more than compression to the luminal gain, while stretching and compression contributed equally in concentric or heterogeneous plaques. Stenting of the arteries had no effect on the free luminal area as measured by IVUS. The primary 1-year patency rate was 72%. The patency was related to the free luminal area and diameter and the heterogenicity of the plaque as evaluated by IVUS. The arteriographic measurements did not have any predictive value.ConclusionIVUS was able to document the effect of PTA and stenting in the iliac arteries, and predict the outcome. The luminal gain and reduction in degree of stenosis seemed to be accomplished primarily by stretching of the arteries and to a lesser extent by plaque compression. Stenting did not change the IVUS measurements. Patency was related to the size of the free lumen and the heterogenicity of the plaque.

Keywords: Intravascular ultrasound, Percutaneous transluminal angioplasty, Peripheral arteries, Atherosclerosis.

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  • f1 Please address all correspondence to: K. C. Vogt, Department of Vascular Surgery RK 3111, Rigshospitalet, University of Copenhagen, Blegdamsvej 9, DK-2100 Copenhagen, Denmark.

PII: S1078-5884(98)90692-X

doi:10.1053/ejvs.1998.0692

European Journal of Vascular & Endovascular Surgery
Volume 17, Issue 1 , Pages 47-55, January 1999

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