What are the features of the atherectomy devices used in percutaneous coronary intervention (PCI)?

Updated: Nov 27, 2019
  • Author: George A Stouffer, III, MD; Chief Editor: Karlheinz Peter, MD, PhD  more...
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Answer

Atherectomy devices have the following features:

  • These devices are designed to physically remove coronary atheroma, calcium, and excess cellular material
  • Rotational or orbital atherectomy, which relies on plaque abrasion and pulverization, is used mostly for fibrotic or heavily calcified lesions that can be wired but not crossed or dilated by a balloon catheter
  • Atherectomy devices may be used to facilitate stent delivery in complex lesions
  • Directional coronary atherectomy (DCA) has been used to debulk coronary plaques
  • Laser atherectomy is not widely used at present
  • Atherectomy is typically followed by balloon dilation and stenting

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