Status:

RECRUITING

High Frame Rate Ultrasound in Heart Disease Assessment

Lead Sponsor:

London North West Healthcare NHS Trust

Conditions:

Coronary Artery Disease

Eligibility:

All Genders

18+ years

Brief Summary

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 ad...

Detailed Description

Following informed consent, patients recruited for the study will have an IV cannula inserted and will undergo imaging using 2 ultrasound systems. Standard clinical system (Philips IE33) will be used ...

Eligibility Criteria

Inclusion

  • Inclusion criteria Either
  • 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.
  • OR
  • • patient who has been assessed as at low risk of having coronary heart disease
  • Exclusion Criteria:
  • 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;
  • Inability to provide informed consent;
  • Pregnancy and lactation;
  • Known allergy to Sonovue
  • Patients with second and third degree heart block, unless they have a pacemaker fitted
  • Systolic BP \< 90
  • Known Myasthenia Gravis
  • Bronchial asthma

Exclusion

    Key Trial Info

    Start Date :

    February 1 2022

    Trial Type :

    OBSERVATIONAL

    Allocation :

    ESTIMATED

    End Date :

    September 30 2025

    Estimated Enrollment :

    25 Patients enrolled

    Trial Details

    Trial ID

    NCT03850015

    Start Date

    February 1 2022

    End Date

    September 30 2025

    Last Update

    May 23 2025

    Active Locations (1)

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    1

    London North West University Healthcare NHS Trust

    Harrow, Middx, United Kingdom, HA1 3UJ