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Related Experiment Videos

Cardiac imaging using Optison.

L N Clark1, H C Dittrich

  • 1Molecular Biosystems, Inc., San Diego, California 92121, USA.

The American Journal of Cardiology
|September 21, 2000
PubMed
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Optison, an albumin microsphere contrast agent, improves echocardiography by enhancing endocardial delineation, especially in challenging stress tests. It aids in diagnosing heart conditions like ischemic coronary artery disease.

Area of Science:

  • Cardiovascular Imaging
  • Medical Ultrasound
  • Pharmacology

Background:

  • Echocardiography often suffers from inadequate endocardial delineation without contrast agents.
  • This limitation affects the assessment of cardiac wall motion, particularly during stress echocardiography.
  • Optison (human albumin microspheres) is an injectable contrast agent designed to address these limitations.

Purpose of the Study:

  • To evaluate the utility of Optison in left-ventricular opacification and endocardial-border delineation.
  • To assess Optison's role in characterizing ischemic coronary artery disease.
  • To explore Optison's effectiveness in detecting perfusion and wall-motion abnormalities.

Main Methods:

  • Utilizing Optison as an injectable suspension contrast agent during echocardiographic examinations.

Related Experiment Videos

  • Conducting clinical studies to evaluate Optison in patients with acute and chronic ischemic coronary artery disease.
  • Assessing Optison's performance in detecting abnormalities during exercise and pharmacologic stress tests.

    • Main Results:

    • Optison demonstrates high acceptance rates for endocardial delineation in stress echocardiography.
    • The agent aids in differentiating artifacts from pathology within the cardiac cavity.
    • Studies are evaluating Optison's ability to detect perfusion and wall-motion abnormalities in ischemic heart disease.

    Conclusions:

    • Optison enhances echocardiographic image quality for improved cardiac assessment.
    • The contrast agent shows promise in the evaluation of ischemic coronary artery disease.
    • Advancements in ultrasound technology will further augment Optison's diagnostic capabilities.