Intra-arterial ultrasonic imaging

  • N. Bom
  • W. J. Gussenhoven
  • C. T. Lancée
  • C. J. Slager
  • P. W. Serruys
  • H. Ten Hoff
  • Jos R. T. C. Roelandt
Part of the Developments in Cardiovascular Medicine book series (DICM, volume 113)

Abstract

Present medical treatment for severe obstruction of the coronary disease is the surgical bypass procedure. Other and newer interventional techniques of a less traumatic nature are also being used to avoid surgery. Well-known is the balloon dilatation technique as described by Gruentzig et al. [1]. With this method the obstruction is stretched, not removed, by a balloon that is gradually inflated. Other methods, presently tested in research laboratories, include the abrasive tip method as suggested by Hansen [2], an atherectomy catheter tip method as suggested by Simpson [3] and various versions of laser energy. Laser angioplasty, which is the in situ ablation of arterial obstructions with laser radiation, has shown to work in animal models and early clinical trials. A problem, however, with this technique, is the possibility of thermal damage to adjacent or underlying normal tissue that also absorbs the radiation. Penetration of the normal arterial wall may occur particularly in strongly curved arteries and when eccentricity of obstructions with relation to the arterial wall exists. This requires high selectivity of the ablation method or a ‘ steering’ capability.

Keywords

Elastin Fiber Ablation Method Laser Angioplasty Arterial Obstruction Normal Arterial Wall 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Kluwer Academic Publishers 1991

Authors and Affiliations

  • N. Bom
  • W. J. Gussenhoven
  • C. T. Lancée
  • C. J. Slager
  • P. W. Serruys
  • H. Ten Hoff
  • Jos R. T. C. Roelandt

There are no affiliations available

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