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Updated: Mar 15, 2026

Identifying Coronary Artery Calcification on Non-gated Computed Tomography Scans
Published on: August 28, 2018
High-risk plaque in patients with near normal coronary angiograms
1Cardiovascular Specialists of Southwest Louisiana, Lake Charles, Louisiana.
Insights
Patients with high-risk coronary plaques, even without significant blockages, may face increased acute coronary syndrome risk. High-dose statins are intuitively suggested, but further trials are needed to confirm outcomes.
Area of Science:
- Cardiology
- Radiology
Background:
- Cardiac computed tomography angiography (CCTA) is increasingly used in emergency settings for chest pain evaluation.
- CCTA can identify coronary plaques with high-risk features, even when significant stenosis is absent.
Observation:
- Anecdotal evidence suggests a link between high-risk coronary plaques and future acute coronary syndrome (ACS).
- This case highlights a patient with such plaques, underscoring the clinical observation.
Findings:
- The presence of non-obstructive, high-risk coronary plaques is associated with an elevated risk of ACS.
- This subgroup of patients presents a diagnostic and therapeutic challenge.
Implications:
- High-dose statin therapy is a potential treatment, with percutaneous coronary intervention reserved for flow-limiting lesions.
- Prospective trials are needed to establish optimal management strategies and confirm outcomes for patients with high-risk plaques.
Abstract:
The increased use of cardiac computed tomography angiography in the emergency room to triage patients who present with chest pain syndrome has led to the identification of individuals with coronary plaques with high-risk characteristics in the absence of significant stenoses. Anecdotal observations have suggested that the presence of coronary high-risk plaque results in an increased risk of acute coronary syndrome over time. This case presentation represents an example of this subgroup of patients. Intuitively, it would seem that high-dose statin therapy would be the treatment of choice, with percutaneous intervention reserved for the development of flow-limiting lesions; however, a prospective trial to determine outcomes to our knowledge has not been performed.
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