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Updated: Jan 21, 2026

Calcification of Vascular Smooth Muscle Cells and Imaging of Aortic Calcification and Inflammation
Published on: May 31, 2016
Mechanisms of mitral annular calcification
Daniele Massera1, Jorge R Kizer2, Marc R Dweck3
1Leon H. Charney Division of Cardiology, New York University School of Medicine, 530 1st Ave, Skirball 9N, New York, NY, United States.
Insights
Mitral annular calcification involves complex molecular processes beyond simple degeneration. This review explores its links to lipid metabolism, inflammation, and chronic kidney disease.
Area of Science:
- Cardiovascular Medicine
- Pathobiology
- Biochemistry
Background:
- Mitral annular calcification (MAC) is a common finding associated with cardiovascular disease.
- The underlying mechanisms of MAC have historically been viewed as a degenerative process.
- However, recent insights suggest MAC is a more complex, active molecular process.
Purpose of the Study:
- To review the current evidence on the pathophysiologic determinants of mitral annular calcification.
- To highlight the shift in understanding MAC from a degenerative to an active molecular process.
Main Methods:
- Literature review of current evidence on mitral annular calcification.
- Synthesis of information regarding the molecular and systemic factors involved in MAC pathogenesis.
Main Results:
- Mitral annular calcification is an active, regulated process.
- Key determinants include lipid metabolism, hemodynamic stress, chronic kidney disease, and inflammation.
- Bone and mineral metabolism also plays a role in MAC development.
Conclusions:
- Mitral annular calcification is a complex condition influenced by multiple systemic factors.
- Understanding these pathophysiologic determinants is crucial for managing associated cardiovascular risks.
Abstract:
The mitral annulus is a fibrous structure that surrounds the mitral valve leaflets and is prone to calcification. Despite its common occurrence, association with cardiovascular morbidity and mortality and relationship with dysfunction of the mitral valve, the pathobiology of mitral annular calcification is incompletely understood. Mitral annular calcification is no longer regarded as a local, chronic and degenerative process resulting in precipitation of calcium and phosphate, but as an active and regulated molecular process that is related to lipid metabolism, hemodynamic stress, chronic kidney disease, bone and mineral metabolism and inflammation. This review summarizes the current evidence examining the pathophysiologic determinants of mitral annular calcification.
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