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Optimal Physiologic Intravascular Ultrasound Imaging Criteria After Drug Eluting Stent Implantation

Coronary Disease Clinical Trial

Official title:
Angiographic and IVUS Criteria Defining Physiologic Optimization By the Fractional Flow Reserve After DES Implantation

Clinical Trial Summary

Invasive imaging criteria of the Coronary arteriography (CAG) and intravascular ultrasound imaging (IVUS), satisfying procedural optimization after drug eluting stent (DES) implantation, were used in < 10% DS by CAG and 5-5.5mm2 MSA by IVUS. Whether these criteria satisfy not only relieving visible stenosis but also relieving lesion specific ischemia or not were unclear. Fractional flow reserve (FFR), an index of lesion specific ischemia, was proposed 0.9 as a physiologic criteria satisfying successful stent implantation by previous studies with bare metal stent. FFR after drug-eluting stent implantation can be an useful predictor for clinical outcome. But, direct comparative evaluation of the invasive imaging criteria defining as an indicator relieving myocardial ischemia were not reported. The aim of this study was to investigate angiographic and IVUS parameters in which corresponding FFR and evaluate their optimal physiologic criteria after DES implantation.

Clinical Trial Description

n/a

Study Design

Observational Model: Case-Only, Time Perspective: Cross-Sectional

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01667757
Study type Observational
Source Inje University
Contact
Status Completed
Phase N/A
Start date March 2010
Completion date December 2014
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