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(Circulation. 2008;118:291-308.)
© 2008 American Heart Association, Inc.

New Drugs and Technologies

Myocardial Contrast Echocardiography

A 25-Year Retrospective

Sanjiv Kaul, MD

From the Division of Cardiovascular Medicine, Oregon Health and Science University, Portland, Ore.

Correspondence to Sanjiv Kaul, MD, Division of Cardiovascular Medicine, Oregon Health and Science University, UHN62, 3181 SW Sam Jackson Park Rd, Portland, OR 97239. E-mail kauls@ohsu.edu

Key Words: contrast media • coronary disease • echocardiography • imaging

An extract of the first 250 words of the full text is provided, because this article has no abstract.

	Introduction

 

Obstacles are those frightful things you see when you take your eyes off your goals.

— –Anonymous

In 1997, I wrote an invited review on myocardial contrast echocardiography (MCE) entitled "Myocardial Contrast Echocardiography: 15 Years of Research and Development" in the From-Bench-to-Bedside section of Circulation.¹ Then, in 2003, Hiroshi Ito and I wrote a 2-piece invited review entitled "Microvasculature in Acute Myocardial Ischemia: Evolving Concepts in Pathophysiology, Diagnosis, and Treatment" in the Clinical Cardiology: New Frontiers section of Circulation.^2,3 In this review for the New Drugs and Technology section of Circulation, I will provide a 25-year retrospective on MCE but with emphasis on more recent developments and remaining challenges for the field. I will limit myself to myocardial imaging and will not discuss imaging of other organs or the vascular system. Likewise, I will not address the therapeutic applications of microbubble-ultrasound interactions such as drug and gene delivery or sonothrombolysis.

I have organized this review into 7 sections. I begin by briefly describing some historical and technical elements so that the reader unfamiliar with MCE will be able to follow the rest of the review. I then describe the more recent studies relating to the role of MCE in the diagnosis and prognostication in acute coronary syndromes and chronic coronary artery disease (CAD), followed by assessment of myocardial viability in chronic CAD. After that, I describe advances in site-targeted or molecular imaging and certain miscellaneous findings. Finally, I discuss the remaining challenges of MCE from a clinical . . . [Full Text of this Article]

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