Coronary Artery Stent Evaluation With 320-slice Computed Tomography - The CArS 320 Study (CARS-320)
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Ages Eligible for Study:
40 Years and older (Adult, Older Adult)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Patients who underwent coronary artery stent placement in the past and are clinically indicated to undergo conventional coronary angiography.
Suspected coronary artery in-stent restenoses based on clinical findings or findings on other noninvasive imaging tests and planned coronary angiography within the next 14 days.
Able to understand and willing to sign the Informed CF.
Creatinine of above 2.0 mg/dl
Age below 40 years
Women of child bearing potential (no hysterectomy, no menopause, or menopause since less than 12 months) must demonstrate a negative pregnancy test performed within 24 hours before CT.
Resting heart rate above 70 beats per minute and contraindications to beta blockers (e.g. moderate to severe bronchospastic disease, asthma)
Atrial fibrillation, uncontrolled tachycardia, A-V block II or III degree or other non-sinus rhythms