Quantitative Assessment of Microcollateral Recruitment During Coronary Occlusion Using Real-time Intravenous Myocardial Contrast Echocardiography.

Quantitative Assessment of Microcollateral Recruitment During Coronary Occlusion Using Real-time Intravenous Myocardial Contrast Echocardiography. Research Abstract Details 

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Quantitative Assessment of Microcollateral Recruitment During Coronary Occlusion Using Real-time Intravenous Myocardial Contrast Echocardiography. Abstract Text:

Fuminobu Ishikura,Kentaro Otani,Hiroyuki Kayano,Tsutomu Toshida,Akiko Iwata,Toshihiko Asanuma,Masafumi Kitakaze,Yoshihiro Shinozaki,Hidezo Mori,Shintaro Beppu,Fuminobu Ishikura,Kentaro Otani,Hiroyuki Kayano,Tsutomu Toshida,Akiko Iwata,Toshihiko Asanuma,Masafumi Kitakaze,Yoshihiro Shinozaki,Hidezo Mori,Shintaro Beppu,Fuminobu Ishikura,Kentaro Otani,Hiroyuki Kayano,Tsutomu Toshida,Akiko Iwata,Toshihiko Asanuma,Masafumi Kitakaze,Yoshihiro Shinozaki,Hidezo Mori,Shintaro Beppu,

BACKGROUND: Residual collateral-derived myocardial blood flow (MBF) (A x beta) is important to protect against myocardial ischemia after acute coronary occlusion. METHODS: Recruitment of microcollateral was assessed in 22 dogs with left circumflex coronary artery occlusion by analysis of MBF and regional wall thickening (WT) using real-time myocardial contrast echocardiography. RESULTS: Video intensity and WT at the center of risk area were significantly lower than those at the border of risk area. The video intensity, A value, beta value, and MBF correlated well with WT after left circumflex coronary artery occlusion. The WT of the area with above 25% of normal MBF was preserved and was higher than that at below 25%. However, the deterioration of WT was not distinguished according to A value. CONCLUSION: Real-time myocardial contrast echocardiography is a useful noninvasive method to evaluate collateral-derived MBF, which can be a reliable index of protection against myocardial ischemia.

Quantitative Assessment of Microcollateral Recruitment During Coronary Occlusion Using Real-time Intravenous Myocardial Contrast Echocardiography. Publishing Authors By Initials

F Ishikura,K Otani,H Kayano,T Toshida,A Iwata,T Asanuma,M Kitakaze,Y Shinozaki,H Mori,S Beppu,F Ishikura,K Otani,H Kayano,T Toshida,A Iwata,T Asanuma,M Kitakaze,Y Shinozaki,H Mori,S Beppu,F Ishikura,K Otani,H Kayano,T Toshida,A Iwata,T Asanuma,M Kitakaze,Y Shinozaki,H Mori,S Beppu,

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Quantitative Assessment of Microcollateral Recruitment During Coronary Occlusion Using Real-time Intravenous Myocardial Contrast Echocardiography. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of the American Society of Echocardiograph

VOLUME: 21

Page Numbers: 139-45

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ISSN: 1097-6795

DAY: 12

MONTH: 07

YEAR: 2007

Quantitative Assessment of Microcollateral Recruitment During Coronary Occlusion Using Real-time Intravenous Myocardial Contrast Echocardiography. Information

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LANGUAGE: eng

NlmUniqueID: 8801388

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Grant and Affiliation Information for Quantitative Assessment of Microcollateral Recruitment During Coronary Occlusion Using Real-time Intravenous Myocardial Contrast Echocardiography.

AFFILIATION: School of Allied Health Sciences, Osaka University, Faculty of Medicine, Osaka, Japan.

Country: United States

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MEDLINETA: J Am Soc Echocardiogr

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