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Ultrasound Based Assessment of Coronary Artery Flow and Coronary Flow Reserve Using the Pressure Overload Model in Mice
Published on: April 13, 2015
Relationship between coronary arterial remodeling and clinical presentation
Zhenkun Yang1, Weifeng Shen, Dadong Zhang
1Department of Cardiology, Ruijin Hospital, Shanghai Second Medical University, Shanghai 200025, China (Email: yangzhenkun2002@hotmail.com)
Chinese Medical Journal
|May 31, 2003
Summary
Coronary artery remodeling differs between acute and stable coronary syndromes. Acute syndromes show more positive remodeling and larger vessel areas, influencing clinical presentation.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
- Vascular Biology
Background:
- Coronary artery disease (CAD) presents with diverse clinical manifestations.
- Understanding the underlying pathophysiology, including arterial remodeling, is crucial for patient management.
Purpose of the Study:
- To investigate the relationship between coronary arterial remodeling patterns and the clinical presentation of coronary syndromes.
- To differentiate remodeling characteristics in acute versus stable coronary syndromes.
Main Methods:
- Intravascular ultrasound (IVUS) was performed on 60 patients (34 acute, 26 stable coronary syndrome).
- Target lesions were analyzed for plaque type (soft vs. hard).
- Quantitative measurements included external elastic membrane (EEM) CSA, lumen CSA, plaque CSA, and remodeling index (RI). Positive remodeling was RI > 1.05, negative remodeling RI < 0.95.
Main Results:
- Soft plaques were more frequent in acute coronary syndromes (59%) compared to stable (31%).
- Patients with acute coronary syndrome exhibited significantly larger EEM CSA and plaque CSA at target lesions.
- Positive remodeling was more prevalent in acute coronary syndrome (53% vs. 23%), while negative remodeling dominated stable coronary syndrome (58% vs. 24%).
Conclusions:
- Coronary arterial remodeling patterns significantly differ between acute and stable coronary syndromes.
- The type of arterial remodeling is a key determinant of the clinical presentation in patients with coronary artery disease.
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