Intravascular Ultrasound

This review describes the rationale, technique, and interpretation of intravascular ultrasound imaging in diagnostic and therapeutic applications

Steven E. Nissen; Paul Yock

2012

Scholarcy highlights

  • Intravascular ultrasound is a valuable adjunct to angiography, providing new insights in the diagnosis of and therapy for coronary disease
  • Despite the independent value of intravascular ultrasound, this technique should be considered supplemental to angiography, not a comprehensive alternative
  • This review describes the rationale, technique, and interpretation of IVUS imaging in diagnostic and therapeutic applications
  • We will emphasize the impact of ultrasound in understanding atherosclerotic coronary disease and its management
  • Comparative studies show the greatest disparities between angiography and ultrasound after mechanical interventions
  • Studies have demonstrated a significant discordance between angiography and ultrasound in assessing plaque distribution, highlighting the inaccuracy inherent in determining plaque location from a projected 2D silhouette of the lumen
  • Ultrasound imaging may prove very helpful in the management of these cases, often revealing that the stent expansion was inadequate at the initial procedure, and proper balloon sizing may lead to an improved lumen area

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