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A novel angiographic technique, StentBoost, in comparison with intravascular ultrasound to assess stent expansion.
MedLine Citation:
PMID:  21518607     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
BACKGROUND: StentBoost (SB) is a novel angiographic technique which can enhance stent visualization and improve detection of inadequate stent expansion. Studies of SB that compare it with intravascular ultrasound (IVUS), which is the current gold standard for detection of stent underexpansion, remain inadequate. This study aimed to test the correlation of IVUS and SB, and to evaluate the effect of SB guiding the stent postdilatation.
METHODS: From March 2009 to June 2010, 52 patients were analyzed using quantitative coronary angiography (QCA), IVUS, and SB. They included 37 patients (54 stents) with postdilatation and 15 patients (21 stents) without postdilatation. Correlations of stent diameter between the three modalities were determined.
RESULTS: The minimum diameter, maximum diameter and average diameter of postdilatation obtained by QCA, IVUS, SB were significantly larger than that of poststenting, and the ratio (maximum stent diameter (MaxLD)-minimum stent diameter (MinLD))/MaxLD of postdilatation was smaller. Correlations of MinLD were the highest between IVUS and SB (r = 0.979, P < 0.0001) when compared with QCA and SB (r = 0.973, P < 0.0001), and QCA and IVUS (r = 0.964, P < 0.0001).
CONCLUSIONS: SB has superior correlations for stent expansion measured by IVUS when compared with QCA. In addition, there is an important advantage for SB in guiding the stent postdilatation.
Authors:
Fei-Fei Yang; Li-Wei Zhang; Dang-Sheng Huang; Dong Shen; Hong-Yan Sun; Chun-Hong Zhang; Yu-Mei Wang; Xu-Wen Zhang; Jing Bai; Yong-Jiang Ma
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Chinese medical journal     Volume:  124     ISSN:  0366-6999     ISO Abbreviation:  Chin. Med. J.     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-04-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7513795     Medline TA:  Chin Med J (Engl)     Country:  China    
Other Details:
Languages:  eng     Pagination:  939-42     Citation Subset:  IM    
Affiliation:
Department of Cardiology, First Affiliated Hospital of General Hospital of Chinese People's Liberation Army, Beijing 100048, China.
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