Coronary calcification detected by electron-beam computed tomography and myocardial infarction. The Rotterdam...

Area of Science:

• Cardiology
• Preventive Medicine
• Medical Imaging

Background:

• Limited data exist on the relationship between coronary calcification and coronary events in the general population.
• The Rotterdam Coronary Calcification Study aimed to address this gap.

Purpose of the Study:

• To examine the association between coronary calcification and myocardial infarction.
• To investigate this relationship across different age groups, including older adults.

Main Methods:

• Cross-sectional analysis of data from the prospective Rotterdam Coronary Calcification Study.
• Electron-beam computed tomography (CT) scanning used to detect and quantify coronary calcification using Agatston's method.
• Calcium scores analyzed in 2,013 participants (mean age 71 years).

Main Results:

• A strong, graded association was observed between coronary calcification levels and myocardial infarction.
• Subjects in the highest calcium score category (above 2,000) had significantly higher odds of myocardial infarction compared to those with scores of 0-100 (OR 7.7 for men, 6.7 for women).
• This association persisted after adjusting for cardiovascular risk factors and was evident across all age subgroups, including those 70 years and older.

Conclusions:

• Coronary calcification is a strong predictor of myocardial infarction.
• The association between coronary calcification and myocardial infarction is graded and remains significant even at advanced ages.