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[Vascular dilatations in the coronary angiogram].
Rofo : Fortschritte Auf Dem Gebiete Der Rontgenstrahlen Und Der Nuklearmedizin
|November 1, 1983
Summary
Coronary artery dilation, including aneurysms and ectasia, is often linked to generalized coronary sclerosis, particularly in patients with three-vessel disease. Some cases result from iatrogenic causes, idiopathic factors, or rare conditions like Marfan syndrome.
Area of Science:
- Cardiology
- Vascular Medicine
- Diagnostic Imaging
Background:
- Coronary artery abnormalities such as aneurysms, ectasia, and megaloarteries can be identified through coronary angiography.
- Understanding the prevalence and underlying causes of these dilatations is crucial for patient management.
Purpose of the Study:
- To investigate the causes and clinical significance of coronary artery dilatations identified in a large patient cohort.
- To determine the association between coronary artery dilation and conditions like coronary sclerosis and angina.
Main Methods:
- Retrospective analysis of coronary angiograms from 166 patients with diagnosed coronary artery aneurysms, ectasia, or megaloarteries.
- Review of clinical data for 9,000 patients to identify cases of megaloarteries without significant stenosis.
Main Results:
- 86.1% of patients with coronary dilatations showed them as part of generalized coronary sclerosis, frequently associated with three-vessel disease.
- Iatrogenic causes accounted for 9% of dilatations, while 4.8% were idiopathic. One case was linked to Marfan syndrome.
- Eight patients had megaloarteries without stenosis; six experienced atypical angina, and three suffered myocardial infarction.
Conclusions:
- Generalized coronary sclerosis is the predominant cause of coronary artery dilation.
- Coronary artery dilatation, especially with contrast stagnation, warrants treatment.
- Megaloarteries without stenosis can be associated with significant ischemic events.