Using Duke Activity Status Index (DASI) to Select Optimal Cardiac Stress Tests
| Status: | Archived |
|---|---|
| Conditions: | Peripheral Vascular Disease, Cardiology |
| Therapuetic Areas: | Cardiology / Vascular Diseases |
| Healthy: | No |
| Age Range: | Any |
| Updated: | 7/1/2011 |
| Start Date: | April 2009 |
Clinical Role of the Duke Activity Status Index in the Selection of the Optimal Type of Stress Myocardial Perfusion Imaging Study in Patients With Known or Suspected Ischemic Heart Disease
Cardiac stress testing with functional nuclear imaging is an invaluable technique in the
diagnostic and prognostic evaluation of patients with known or suspected ischemic heart
disease. Selection of the appropriate type of nuclear stress test: exercise stress
Myocardial Perfusion Imaging (MPI) versus pharmacologic stress MPI is crucial for not only
diagnostic accuracy and prognostic evaluation, but also for sound clinical decisions and
resource utilization.
The Duke Activity Status Index (DASI) is a 12-item questionnaire that utilized self-reported
physical work capacity to estimate peak metabolic equivalents (METs) and has been shown to
be a valid measurement of functional capacity. The investigators hypothesized that the DASI
may be the screening tool that evaluates functional capacity and guides selection of the
optimal stress MPI study.
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