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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.

Experimental and Clinical Cardiology
|December 3, 2013
PubMed
Abstract

Insights

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.
Keywords:
Cardiovascular mortalityCoronary artery diseaseEchocardiographyMitral annulus calcificationMitral valve diseaseMortality

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