High Frame Rate Ultrasound in Heart Disease Assessment

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age18+
SponsorLondon North West Healthcare NHS Trust

About this trial

The study will compare standard ultrasound images to high frame rate ultrasound images in patients with heart disease or with a low risk of heart disease to see if a higher frame rate of ultrasound adds to the information obtained from standard ultrasound.

Eligibility criteria

Qualifiers

Ability to give informed consent

age ≥18years and

confirmed inducible wall motion / perfusion abnormality on previous stress echocardiogram

known coronary artery disease - defined by presence of flow-limiting coronary stenosis(>70% diameter stenosis) on coronary angiography.

Disqualifiers

Inability to undertake pharmacological stress, ie previously known intolerance to dipyridamole;

Moderate or Severe aortic or mitral regurgitation or severe mitral stenosis;

Significant pulmonary disease like severe COPD or pulmonary fibrosis;

Atrial fibrillation;

Trial design

Treatments tested in this trial

  • Standard echocardiography
  • High frame rate echocardiography

Treatment groups

No treatment groups listed