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Published on: May 14, 2013
Diastolic coronary artery compression in a cardiac transplant recipient: treatment with a stent
Ravi K Garg1, Allen S Anderson, Neeraj Jolly
1Section of Cardiology, Department of Medicine, University of Chicago, Chicago, Illinois 60637, USA.
Insights
Diastolic coronary artery compression, a rare acquired condition, can cause reduced blood flow. This case study shows successful treatment with stent placement in a cardiac transplant recipient.
Area of Science:
- Cardiology
- Vascular Biology
Background:
- Myocardial bridges, causing systolic coronary artery compression, are common congenital anomalies with typically benign outcomes.
- Diastolic coronary artery compression is a rare, likely acquired, condition potentially linked to epicardial scar tissue or pericardial issues during ventricular filling.
Observation:
- A case of functionally significant diastolic coronary artery compression was observed in a cardiac transplant recipient.
- The compression occurred during diastole, leading to diminished intracoronary blood flow.
Findings:
- The cardiac transplant recipient presented with symptoms of diastolic coronary artery compression.
- Successful treatment was achieved through intracoronary stent placement, restoring adequate blood flow.
Implications:
- This case highlights intracoronary stenting as a viable treatment for acquired diastolic coronary artery compression.
- Understanding the mechanisms of diastolic compression is crucial for managing complex cardiac conditions in transplant patients.
Abstract:
Myocardial bridges, with resultant systolic compression of the coronary artery, are common inborn anomalies that generally have a benign course. Diastolic compression of the coronary artery, however, is a rare finding that is believed to be an acquired lesion. It can be hypothesized that during diastole, when left ventricular filling occurs, the coronary artery is compressed against epicardial scar tissue or a noncompliant pericardium. This can then lead to diminished intracoronary blood flow. We present a case of functionally significant diastolic coronary artery compression in a cardiac transplant recipient who was successfully treated with intracoronary stent placement.
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