Lead Sponsor

Johns Hopkins University

Collaborators

Age

18 - No limit years

Sex

ALL

Healthy Volunteers

No

•Pre-catheterization:
•Must be undergoing diagnostic cardiac catheterization for suspected CAD
•Be at least 18 years of age
•Must not be pregnant (negative pregnancy test) or must not be of childbearing potential must be able to give informed consent.
•Post-catheterization:
•Coronary artery disease judged to be clinically and angiographically significant
•Ability to perform PCI with equipment available at the local site
•Procedure risk judged to be not high (see below)

•Pre-catheterization:
•Inability to give informed consent
•ST-segment elevation myocardial infarction
•Pregnancy
•Post-catheterization:
•High likelihood of requiring a device not available at the hospitals without SOS
•No need for PCI
•Need for coronary artery bypass surgery
•High procedural risk (see below)
•High procedural risk criteria are:
•PCI of unprotected left main coronary artery
•PCI of left circulation lesion in the presence of critical (\>70%) unprotected left main coronary artery lesion
•Poor left ventricular function (EF\< 20%) and need to perform PCI in a vessel supplying significant myocardium

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