Periodontal bacteria may be linked to acute coronary syndrome (ACS)
Jul 20, 2006 - 8:34:00 PM
, Reviewed by: Shivani Arora
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"This might be one of several explanations as to why elevated bacteria and the combination of specific pathogens in periodontal pockets can be linked to a history of ACS"
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By American Academy of Periodontology,
[RxPG] The presence of specific bacteria and combinations of bacteria in periodontal pockets might be an explanation for the relationship between periodontal disease and acute coronary syndrome (ACS), according to a new study published in the Journal of Periodontology.
The amount of oral bacteria was two times higher in the ACS group for the combination of the bacteria streptococci spp, P. gingivalis, T. forsythia and T. denticola. Specifically, the findings suggest that T. denticola, T. forsythia and streptococci spp are bacteria in a shared infectious etiology for periodontitis and ACS.
"This might be one of several explanations as to why elevated bacteria and the combination of specific pathogens in periodontal pockets can be linked to a history of ACS," said Stefan Renvert, DDS, PhD and Department of Health Sciences, Kristianstad University. "We also found that the amount of periodontal bacteria results in an inflammatory response that elevates the white blood cell counts and high sensitivity C-reactive protein levels, which has also been linked in past studies to heart disease."
It was also found that the extent of alveolar bone loss was significantly greater among subjects with ACS. Seventy-seven percent of the participants in the ACS group and 42 percent in the control group demonstrated evidence of periodontitis. The extent of bone loss was more severe in the ACS group than in the non-ACS group.
Another reason people diagnosed with ACS may have higher oral bacteria could be due to their infectious susceptibility and lack of an adequate host inflammatory response, which may induce other systemic vascular effects participating in the onset of ACS.
"Although this study supports past findings, further research is needed to evaluate the effects of reducing specific bacteria such as T. forsythia and T. denticola on reducing the risk for ACS," said Kenneth A. Krebs, DMD and AAP president. "This data highlights the importance of routine periodontal examinations and at-home dental care."
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Additional information about the news article
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Researchers evaluated 161 subjects diagnosed with ACS and a control group of 161 participants of not having ACS. Diagnosis of the ACS group was based on chest pain associated with electrocardiogram changes that were combined with typical patterns of cardiac markers (such as creatine kinase). The control group included people without cardiovascular disease. This included the absence of elevated blood pressure, or the use of statins and beta-blockers.
The American Academy of Periodontology is an 8,000-member association of dental professionals specializing in the prevention, diagnosis and treatment of diseases affecting the gums and supporting structures of the teeth and in the placement and maintenance of dental implants. Periodontics is one of nine dental specialties recognized by the American Dental Association.
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