Cost Comparison of Cardiac Magnetic Resonance Imaging (MRI) Use in

Status Completed

Clinical Trial Summary

The purpose of this study is to investigate the best way to evaluate patients with chest pain in the emergency department. It compares receiving treatment in an observation unit with admission to the hospital. Patients treated in the observation unit will undergo cardiac Magnetic Resonance Imaging (MRI) testing. Patients treated with hospital admission will undergo the testing their doctor determines is best for them. All patients will undergo follow up to find out if they have had any heart related events.

Clinical Trial Description

Almost half of patients presenting to the Emergency Department (ED) with possible cardiac chest pain are at intermediate risk for short term death or infarction. Most are admitted to the hospital for serial ECG's, cardiac biomarkers, cardiology consultation, and stress testing or coronary angiogram. However, the 2007 ACC/AHA guidelines suggest that these patients can be managed in an observation unit (OU). Recently, cardiac magnetic resonance imaging (CMR) has proven more accurate than traditional testing modalities for the diagnosis of acute coronary syndrome (ACS), and has also received endorsement from the American College of Cardiology (ACC)/American Heart Association (AHA) guidelines. Immediate application of CMR in an OU may improve health care utilization compared to standard hospital admission for intermediate risk patients.

Research hypotheses:

1. Patients in an OU CMR protocol will have lower cost for the index hospitalization than standard care.

2. An OU CMR protocol for patients with intermediate risk chest pain will significantly improve the frequency of correct cardiovascular admission decisions when compared to standard care.

Methods summary:

110 ED patients at intermediate risk for short-term death or infarction, with nondiagnostic Electrocardiograms (ECG) and normal initial cardiac biomarkers, will be randomized to standard care or OU CMR protocols. Subjects in the OU CMR protocol will undergo CMR perfusion and stress testing, followed by serial biomarkers. Standard care subjects will be admitted for usual cardiac testing. ACS (infarction, death, coronary revascularization, unstable angina) will be assessed by evaluation of hospital course and phone follow-up at 30 days. Cost of hospital care will be compared among groups. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00678639
Study type	Interventional
Source	Wake Forest University Health Sciences
Contact
Status	Completed
Phase	N/A
Start date	January 2008
Completion date	March 2009

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Cost Comparison of Cardiac Magnetic Resonance Imaging (MRI) Use in Emergency Department (ED) Patients With Chest Pain

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms