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Published on: August 28, 2018
Mitral annulus calcification is independently associated with all-cause mortality
Radhakrishnan Ramaraj1, Coraly Manrique, Mehrnoosh Hashemzadeh
1University of Arizona School of Medicine, Tucson, Arizona, USA.
Mitral annulus calcification (MAC) significantly increases the risk of all-cause mortality. This echocardiographic finding is an independent prognostic marker, highlighting the importance of evaluating mitral annulus health.
Area of Science:
- Cardiology
- Echocardiography
- Public Health
Background:
- Mitral annulus calcification (MAC) is a common echocardiographic finding linked to valvular issues.
- The impact of MAC on overall mortality has not been extensively studied.
Purpose of the Study:
- To investigate the association between mitral annulus calcification (MAC) and long-term all-cause mortality.
- To determine if MAC is an independent predictor of mortality.
Main Methods:
- Retrospective analysis of 3169 echocardiograms from 1983-1998.
- Mortality data obtained from the national mortality database through 2007.
- Uni- and multivariate analyses were used to assess the association between MAC and total mortality.
Main Results:
- Patients with MAC had a significantly higher rate of all-cause mortality (52.1% vs. 25.0%).
- MAC was independently associated with increased all-cause mortality (OR 2.50; P<0.001) after adjusting for confounding factors.
- The odds of death were 3.26 times higher in patients with MAC (P<0.001).
Conclusions:
- Mitral annulus calcification (MAC) is independently associated with all-cause mortality.
- MAC serves as a significant prognostic marker in patient populations.
- Echocardiographic identification of MAC is crucial for risk stratification.
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