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Periodontal conditions in patients with coronary heart disease: A case-control study
Centre for Oral Rehabilitation, Linköping, Sweden, Centre for Oral Rehabilitation, SE-581 85 Linköping, Sweden.
Linköping University, Faculty of Health Sciences. Linköping University, Department of Medicine and Health Sciences, Cardiology . Östergötlands Läns Landsting, Heart Centre, Department of Cardiology.
Lundström, Å., Centre for Oral Rehabilitation, Linköping, Sweden.
Department of Periodontology, Institute for Postgraduate Dental Education, Jönköping, Sweden.
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2008 (English)In: Journal of Clinical Periodontology, ISSN 0303-6979, E-ISSN 1600-051X, Vol. 35, no 3, 199-205 p.Article in journal (Refereed) Published
Abstract [en]

Aim: This study examined periodontal conditions in patients with coronary heart disease (CHD) and subjects with no history of CHD. Material and Methods: Participants were 161 patients (40-75) with severe angina pectoris (diagnosed as CHD by coronary angiography) who subsequently underwent percutaneous coronary intervention and 162 control subjects with no history of CHD. Periodontal status was recorded. Bone loss was determined on radiographs. Periodontal disease experience was classified into five groups according to Hugoson & Jordan. Results: Periodontal disease experience groups 4 and 5 were more common in the CHD group (25%) compared with the control group (8%). The mean bone level (the distance from the CEJ to the most coronal level of the alveolar bone) was 3.0±1.0 mm in CHD subjects and 2.6±0.8 mm in controls. CHD patients had significantly lower numbers of natural teeth, higher numbers of periodontal pockets 4-6-mm and higher bleeding on probing (%). In a stepwise regression analysis, the factor periodontal disease experience groups 4+5 gave an odds ratio of 5.74 (2.07-15.90) for having CHD after controlling for smoking and age. Conclusion: Severe periodontal disease expressed by several clinical and radiographic parameters was more prevalent among subjects with CHD than among controls. Analysis, the factor periodontal disease experience groups 4+5 gave an odds ratio of 5.74 (2.07-15.90) for having CHD after controlling for smoking and age. © 2008 Blackwell Munksgaard.

Place, publisher, year, edition, pages
2008. Vol. 35, no 3, 199-205 p.
Keyword [en]
Alveolar bone level, Coronary heart disease, Number of teeth, Periodontal disease
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-47655DOI: 10.1111/j.1600-051X.2007.01185.xOAI: oai:DiVA.org:liu-47655DiVA: diva2:268551
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-13
In thesis
1. Periodontitis and coronary artery disease: Studies on the association between periodontitis and coronary artery disease
Open this publication in new window or tab >>Periodontitis and coronary artery disease: Studies on the association between periodontitis and coronary artery disease
2012 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Periodontitis and coronary artery disease (CAD) are highly prevalent in Sweden’s population; both diseases have complicated pathogeneses and clinical manifestations due to immune-system triggered inflammation. Research in recent years reported that inflammation is a significant active participant in many chronic diseases. The literature described a CAD-periodontitis association, but underlying mechanisms are not fully understood. It is important to acquire knowledge about how periodontitis might influence CAD, which is one of the major causes of illness and death in western countries. Because periodontitis can be treated, this knowledge, when complemented with more knowledge about the CAD-periodontitis association, could lead to CAD prevention.

The overall aim of studies reported in this thesis were to investigate the CAD-periodontitis association, and specifically, to: (i) compare periodontal conditions in patients with CAD and subjects without a history of CAD; (ii) study whether or not periodontal status influences outcomes in known CAD over an 8-year period; (iii) study whether or not concentrations and biological activity of hepatocyte growth factor (HGF) in serum from patients with severe CAD are different – depending on whether or not the subjects had periodontitis; and (iv) study concentrations and biological activity of hepatocyte growth factor in serum, saliva, and gingival crevicular fluid in healthy subjects with or without periodontitis. Here is a brief summary:

In study I, 161 patients with CAD and 162 controls were compared regarding periodontal disease prevalence and severity. CAD patients had significant coronary stenosis and underwent percutaneous coronary intervention (PCI) or coronary artery by-pass grafts (CABG). Healthy controls were recruited from Sweden’s population database. Twenty-five per cent of the CAD patients had severe periodontitis, compared to 8% of the controls. In a multiple logistic regression analysis (controlled for age and smoking), severe periodontitis indicated an odds ratio of 5.74 (2.07–15.90) for CAD.

Study II: Periodontal status was re-examined in 126 CAD patients and 121 controls from the initial sample after 8 years. Periodontal status at baseline was analysed and related to CAD endpoints (i.e., myocardial infarction, new PCI or CABG or death due to CAD) recorded from patients’ medical records and from the death index maintained by the National Board of Health and Welfare. The difference in periodontitis prevalence and severity between the two groups remained unchanged during the 8-year follow up. No significant differences were found regarding CAD endpoints during follow-up in relation to baseline periodontal status in the CAD-patient group.

In study III, higher HGF serum concentrations (p<0.001) were found in CAD patients, compared to healthy blood donors, which reflects chronic inflammation. In CAD patients without periodontitis, HGF concentrations increased significantly 24 hours after PCI – in parallel with increased HGF biological activity. In CAD patients with periodontitis, only small fluctuations were seen in HGF values, i.e., concentration and biological activity. HGF biological activity was temporarily elevated after PCI but only in patients without periodontitis. Thus chronic inflammation related to periodontitis might reduce HGF biological activity.

In study IV, HGF concentration and biological activity in saliva, in gingival crevicular fluid (GCF), and serum were compared between 30 generally healthy subjects with severe untreated periodontitis and 30 healthy subjects without periodontitis. Compared to periodontally healthy controls, periodontal patients showed higher HGF concentrations in saliva p<0.001, gingival crevicular fluid p<0.0001, and in serum p<0.001. HGF biological activity (measured as the binding affinity to its HSPG and c-MET receptors) was significantly reduced in saliva (p<0.0001) and GCF samples (p<0.0001 for HSPG and p<0.01 for c-MET) from periodontitis patients. The only significant difference in serum samples was an increases in c-MET binding three minutes after subgingival debridement in periodontitis patients (p<0.05), which might reflect that patients had active bursts of periodontitis.

In conclusion, CAD patients more often showed severe periodontitis but there were no differences in CAD endpoints during the eight-year follow-up in relation to baseline periodontal status. Periodontitis seems to influence HGF concentration and biological activity in CAD patients, but studies on factors that cause lower HGF biological activity are necessary – to find out if periodontal treatment influences HGF biological activity. Healthy periodontitis patients had higher HGF concentrations locally and systemically, but biological activity was reduced. This might indicate that periodontitis can influence wound healing and tissue repair in other body parts.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2012. 84 p.
Series
Linköping University Medical Dissertations, ISSN 0345-0082 ; 1343
National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-86213 (URN)978-91-7519-748-7 (ISBN)
Public defence
2013-02-01, Berzeliussalen, Campus US, Linköpings universitet, Linköping, 13:00 (Swedish)
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Note

The ISBN 987‐91‐7519‐748‐7 is incorrect. Correct ISBN is 978‐91‐7519‐748‐7.

Available from: 2012-12-11 Created: 2012-12-11 Last updated: 2017-04-15Bibliographically approved

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