PERIODONTAL HEALTH IN PATIENTS ACUTELY ADMITTED FOR MYOCARDIAL INFARCTION: A CASE CONTROL STUDY

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Coronary artery disease (CAD) is a multifactorial condition leading to most cases of myocardial infarction and results from interaction of genetic, lifestyle and environmental factors. However, as many as 50% of CAD patients lack classical risk factors of CAD suggesting the presence of other contrib...

Coronary artery disease (CAD) is a multifactorial condition leading to most cases of myocardial infarction and results from interaction of genetic, lifestyle and environmental factors. However, as many as 50% of CAD patients lack classical risk factors of CAD suggesting the presence of other contributory mechanisms. Inflammation plays a central role in the initiation and growth of the plaques which form in the arteries (atherosclerosis) and lead to CAD3. As such periodontal disease, an inflammatory process leading to progressive destruction of tooth-supporting structures, has been associated with CAD. In vivo pre-clinical studies have shown that bacteria associated with periodontal disease can exacerbate atherosclerosis 7. Numerous clinical studies have explored the association between periodontal disease and CAD at different follow-up times following episodes of myocardial infarction 8-9. However, there are no reports investigating this association during the acute phase of myocardial infarction. In addition the need for rigorous matching of all known CAD risk factors in case control studies has so far been overseen. RATIONALE FOR STUDY: This case-control study aims to compare the health of tooth supporting structures (periodontium) in patients hospitalised for acute myocardial infarction to a control group of patients rigorously matched for known CAD risk factors, age and gender.

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