Why the study?
Does IVUS accurately measure coronary luminal area compared to QCA in patients undergoing coronary intervention?
Population
21 patients (46 coronary segments) who underwent coronary intervention
Comparison
Intravascular ultrasound (IVUS) vs Quantitative coronary angiography (QCA)
Design
Cross-sectional
Authors
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May influence stent sizing decisions in small vessels; leaves open need for validated imaging standards in PCI.
Does IVUS accurately measure coronary luminal area compared to QCA in patients undergoing coronary intervention?
IVUS overestimates coronary luminal area compared to QCA in narrow vessels (<3.0 mm), particularly in the presence of eccentric plaque.
Fujii et al. (1996) studied this question.
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