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Published on: February 16, 2016
Infiltrative and Inflammatory Cardiomyopathies: Using Imaging to Probe Mechanisms of Myocardial Dysfunction
Chaitanya Rojulpote1, Michael M Givertz2, Richard N Mitchell3
1Division of Cardiovascular Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts; Cardiovascular Imaging Program, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.
Insights
Advanced cardiovascular imaging aids in understanding infiltrative and inflammatory cardiomyopathies. These techniques reveal underlying mechanisms beyond structural changes, improving patient care for myocardial diseases.
Area of Science:
- Cardiology
- Medical Imaging
- Pathophysiology
Background:
- Infiltrative and inflammatory cardiomyopathies involve abnormal myocardial substance accumulation or inflammation.
- These conditions share common cardiac dysfunction mechanisms like microvascular issues and apoptosis.
- Conventional imaging lacks insight into the underlying pathophysiologic processes.
Purpose of the Study:
- To review the role of advanced cardiovascular imaging in understanding cardiomyopathies.
- To highlight how advanced imaging identifies pathophysiologic mechanisms.
- To improve the care of patients with these myocardial diseases.
Main Methods:
- Review of current literature on advanced cardiovascular imaging techniques.
- Analysis of how imaging reveals mechanisms of cardiac dysfunction.
- Focus on infiltrative and inflammatory cardiomyopathies.
Main Results:
- Advanced cardiovascular imaging offers insights into myocardial disease mechanisms.
- Techniques can identify microvascular dysfunction, inflammation, and infiltration.
- Understanding these processes is crucial for diagnosis and treatment.
Conclusions:
- Advanced cardiovascular imaging is essential for elucidating cardiomyopathy mechanisms.
- This approach enhances our comprehension of myocardial diseases.
- Improved understanding through imaging can lead to better patient outcomes.
Abstract:
Infiltrative and inflammatory cardiomyopathies comprise a spectrum of myocardial diseases defined by the accumulation of abnormal substances or inflammation within the myocardium. Although their etiologies differ, they share common mechanisms of cardiac dysfunction, such as microvascular dysfunction, denervation, impaired energetics, apoptosis, inflammation, and myocardial infiltration. While conventional cardiovascular imaging techniques assess structural and functional changes, they do not usually yield insight into underlying mechanistic processes. This review highlights the role of advanced cardiovascular imaging in identifying pathophysiologic mechanisms to improve our understanding of these disease processes in order to improve the care of patients.
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