- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02346565
Stress Echocardiography Versus Exercise ECG (ExECG) in Women With Chest Pain
The Role of Contemporary Stress Echocardiography Techniques in the Initial Assessment of Women With No Previous History of Coronary Artery Disease (CAD) Who Present With Chest Pain of Recent Onset. Stress Echocardiography vs Exercise ECG as First Line Investigation in This Population. Potential for Higher Diagnostic Accuracy Cost Saving.
The overall question the investigators would like to help answer is whether SE with or without MCE data can be widely used as a first line investigation in women with no previous history of Coronary Artery Disease (CAD) who present with chest pain of recent onset. In order to answer this question the investigators will look at the following:
i) Is SE superior to ExECG in terms of cost to diagnosis and negative predictive value of CAD?
ii) What is the additive value of myocardial perfusion data to wall motion data for predicting significant CAD on angiography and future cardiac events in women?
iii) What is the additive value of Carotid ultrasonography in a large population of women referred for stress testing?
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The investigators plan to perform a prospective study on all women seen in our RACPC with no previous history of CAD and intermediate pre-test probability of CAD as determined by National Institute for Health and Care Excellence (NICE) guidelines, who require a functional test as part of their assessment. All patients that meet the inclusion criteria and do not meet any of the exclusion criteria will be approached for consent to the study.
Patients who can perform greater than 5 metabolic equivalents (METS) on the Duke Activity Status Index (DASI) questionaire will be randomised between undergoing an Exercise ECG (Ex-ECG) or Exercise Stress Echo (ESE). The DASI is a 12-item questionnaire that estimates self-reported physical work capacity and is converted to an estimate of peak metabolic equivalents. Patients who do not meet this criteria, will undergo a pharmacological stress echocardiogram using Dobutamine (DSE), including Myocardial Contrast Echocardiography (MCE). Investigations will continue to be performed as per standard clinical departmental protocols as described below. In addition, all patients will undergo carotid ultrasonography. The techniques used are described for completeness as they are all well-established in clinical practice.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Middx
-
Harrow, Middx, United Kingdom, HA1 3UJ
- Northwick Park Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age 30 years and above
- No previous history of Coronary Artery Disease
- Chest pain of presumed cardiac origin, which has occurred in the last month prior to the clinic appointment.
Exclusion Criteria:
- Electrocardiogram diagnostic of cardiac ischaemia and/or infarction (ST-segment deviations>0.5mm, or T-wave inversion).
- Previous history of Coronary Artery Disease
- Chest pain in the last 24 hours
- Inability to provide informed consent
- Pregnancy
Study Plan
How is the study designed?
Design Details
- Primary Purpose: DIAGNOSTIC
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
OTHER: Exercise ECG
Patients will undergo an exercise test using the standard Bruce protocol.
Standard end points of exercise testing will include: fatigue, severe ischaemia (severe chest pain, >2mm ST depression on ECG), hypertension (systolic BP>220mmHg), hypotension, pre-syncope or arrhythmia.
|
|
OTHER: Stress Echocardiography
A two-dimensional echocardiogram will be performed in the lateral decubitus position. Digitized images of the left ventricle (LV) will be obtained in the parasternal long-axis, short-axis, and apical four-, two-, and three-chamber views. In the case of exercise stress echo, images will be acquired at rest and immediately (within 90 seconds) after peak exercise. In the case of dobutamine stress echo, images will be acquired at rest, at the end of stage one of dobutamine administration (10mcg/Kg/min) and at peak stress. |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Comparison of Positive Predictive Value of each test for Coronary artery disease detection
Time Frame: 2 years
|
To compare positive predictive value of each test for the detection of obstructive CAD defined as ≥ 70% luminal diameter narrowing in one or more epicardial coronary arteries or their major branches during invasive coronary arteriography
|
2 years
|
To compare the use of Downstream resource utilisation following allocated functional tests
Time Frame: 2 years
|
Comparison between the number of follow-up investigations, clinic visits and hospitalisation for patients in the 2 test groups.
|
2 years
|
Collaborators and Investigators
Study record dates
Study Major Dates
Study Start
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- RD14/86
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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