Usefulness of Minimal Luminal Coronary Area Determined by Intravascular Ultrasound to Predict Functional Significance in Stable and Unstable Angina Pectoris

Little is known about the intravascular ultrasound minimal lumen area criteria and their accuracy in lesion subsets assorted according to vessel type, lesion location, vessel size, and clinical settings

Soo-Jin Kang; Jung-Min Ahn; Haegeun Song; Won-Jang Kim; Jong-Young Lee; Duk-Woo Park; Sung-Cheol Yun; Seung-Whan Lee; Young-Hak Kim; Cheol Whan Lee; Seong-Wook Park; Seung-Jung Park

2012

Scholarcy highlights

  • Little is known about the intravascular ultrasound minimal lumen area criteria and their accuracy in lesion subsets assorted according to vessel type, lesion location, vessel size, and clinical settings
  • In total 692 consecutive patients with 784 coronary lesions were assessed by IVUS and fractional flow reserve before intervention
  • Because IVUS-measured MLA is only 1 of many factors affecting coronary flow hemodynamics, even subgroup-specific criteria were inaccurate in identifying ischemia-inducible stenosis
  • New set of intravascular ultrasound-derived anatomic criteria for defining functionally significant stenoses in small coronary arteries

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