101
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Humphrey LL, Fu R, Buckley DI, Freeman M, Helfand M. Periodontal disease and coronary heart disease incidence: a systematic review and meta-analysis. J Gen Intern Med 2008; 23:2079-86. [PMID: 18807098 PMCID: PMC2596495 DOI: 10.1007/s11606-008-0787-6] [Citation(s) in RCA: 460] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2008] [Revised: 06/18/2008] [Accepted: 08/28/2008] [Indexed: 12/31/2022]
Abstract
BACKGROUND Periodontal disease is common among adults in the US and is a potential source of chronic inflammation. Recent data have suggested an important role for chronic inflammation in the development of coronary heart disease (CHD). OBJECTIVE To aid the United States Preventive Services Task Force (USPSTF) in evaluating whether periodontal disease is an independent novel risk factor for incident CHD. METHODS Studies were identified by searching Medline (1966 through March 2008) and reviewing prior systematic reviews, reference lists, and consulting experts. Prospective cohort studies that assessed periodontal disease, Framingham risk factors, and coronary heart disease incidence in the general adult population without known CHD were reviewed and quality rated using criteria developed by the USPSTF. Meta-analysis of good and fair quality studies was conducted to determine summary estimates of the risk of CHD events associated with various categories of periodontal disease. RESULTS We identified seven articles of good or fair quality from seven cohorts. Several studies found periodontal disease to be independently associated with increased risk of CHD. Summary relative risk estimates for different categories of periodontal disease (including periodontitis, tooth loss, gingivitis, and bone loss) ranged from 1.24 (95% CI 1.01-1.51) to 1.34 (95% CI 1.10-1.63). Risk estimates were similar in subgroup analyses by gender, outcome, study quality, and method of periodontal disease assessment. CONCLUSION Periodontal disease is a risk factor or marker for CHD that is independent of traditional CHD risk factors, including socioeconomic status. Further research in this important area of public health is warranted.
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Affiliation(s)
- Linda L Humphrey
- Oregon Evidence-based Practice Center, Veterans Affairs Medical Center, Portland, OR, USA.
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102
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Sim SJ, Kim HD, Moon JY, Zavras AI, Zdanowicz J, Jang SJ, Jin BH, Bae KH, Paik DI, Douglass CW. Periodontitis and the Risk for Non-Fatal Stroke in Korean Adults. J Periodontol 2008; 79:1652-8. [DOI: 10.1902/jop.2008.080015] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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103
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Association between periodontal disease and coronary artery disease. Open Med (Wars) 2008. [DOI: 10.2478/s11536-008-0007-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
AbstractThe etiology of coronary artery disease (CAD) is multifunctional. There is increasing evidence that dental infections could play a role in the initiation and development of CAD. In a case control double blind study, one hundred male and female (mean age 51 ± 9.4) angiographically documented CAD, compared with one hundred male and female patients (mean age 50.6 ± 9) with angiographically negative coronary artery. All the patients (cases and control) underwent dental examination for the presence and severity of periodontitis by a dentist who was oblivious the result of the angiography performed. The association between periodontal disease status and CAD was significant (P=0.011); periodontitis was apparently more frequent in CAD positive patients than in control (86% versus 61%). Adjustment of coronary risk factors (smoking, DM, hypertension and hyperlipidemia) in both cases and control groups suggests that the association between periodontitis and CAD in our study was independent of coronary risk factors. There is increasing evidence that dental infection, especially aerobic organisms which have capability of aggregation of platelets, is the most important cause. Dental infection would be an independent risk factor for CAD.
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104
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Tooth loss, hypertension and risk for stroke in a Korean population. Atherosclerosis 2008; 203:550-6. [PMID: 19013571 DOI: 10.1016/j.atherosclerosis.2008.07.017] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2008] [Revised: 07/13/2008] [Accepted: 07/14/2008] [Indexed: 01/03/2023]
Abstract
Tooth loss has been suggested as a potential risk factor for stroke. We conducted a prospective cohort study of stroke in Korea on hypertension, diabetes, smoking, and tooth loss to characterize their independent effects and interactions. The overall risk of stroke and the risk of different subtypes of stroke were evaluated in relation to tooth loss using Cox proportional hazards models among 867,256 Korean men and women, aged 30-95 years, who received health insurance from the National Health Insurance Corporation and were medically evaluated between 1992 and 1995, with tooth loss measured. The overall prevalence of having at least one tooth removed among the people in the study was 29.8% (31.9% for men and 22.3% for women). During a 14-year follow-up, 28,258 strokes with 5105 fatal strokes occurred. For men and women, tooth loss was associated with total stroke and stroke subtypes. In a multivariable model adjusting for selected covariates, a graded association between higher tooth loss and higher risk of total stroke was observed in men [> or =7 lost teeth versus 0 (hazard ratio (HR)=1.3; 95% confidence interval (CI), 1.2-1.4)] and in women (HR=1.2; 95% CI, 1.0-1.3). The HRs for ischemic and hemorrhagic stroke were also similar in men and women. There was evidence of interaction of hemorrhagic stroke risk with hypertension and tooth loss. Tooth loss is independently associated with increased risk of stroke and hypertension does interact antagonistically, particularly for hemorrhagic stroke.
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105
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Senba T, Kobayashi Y, Inoue K, Kaneto C, Inoue M, Toyokawa S, Suyama Y, Suzuki T, Miyano Y, Miyoshi Y. The Association between Self‐reported Periodontitis and Coronary Heart Disease —From MY Health Up Study—. J Occup Health 2008; 50:283-7. [DOI: 10.1539/joh.l7066] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- Toshihiko Senba
- Department of Public HealthGraduate School of Medicine, University of Tokyo
| | - Yasuki Kobayashi
- Department of Public HealthGraduate School of Medicine, University of Tokyo
| | - Kazuo Inoue
- Department of Public HealthGraduate School of Medicine, University of Tokyo
| | - Chie Kaneto
- Department of Public HealthGraduate School of Medicine, University of Tokyo
| | - Mariko Inoue
- Department of Public HealthGraduate School of Medicine, University of Tokyo
| | - Satoshi Toyokawa
- Department of Public HealthGraduate School of Medicine, University of Tokyo
| | - Yasuo Suyama
- Meiji Yasuda Life Foundation of Health and Welfare
| | - Toshiko Suzuki
- Division of Health PromotionMeiji Yasuda Life Insurance CompanyJapan
| | - Yukie Miyano
- Division of Health PromotionMeiji Yasuda Life Insurance CompanyJapan
| | - Yuji Miyoshi
- Division of Health PromotionMeiji Yasuda Life Insurance CompanyJapan
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106
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Amabile N, Susini G, Pettenati-Soubayroux I, Bonello L, Gil JM, Arques S, Bonfil JJ, Paganelli F. Severity of periodontal disease correlates to inflammatory systemic status and independently predicts the presence and angiographic extent of stable coronary artery disease. J Intern Med 2008; 263:644-52. [PMID: 18205762 DOI: 10.1111/j.1365-2796.2007.01916.x] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Periodontal disease (PD) has been recognized as a risk factor for systemic diseases, but its involvement in the pathogenesis of coronary artery disease (CAD) remains debated. OBJECTIVES We sought to evaluate the potential relations between severity of the PD, inflammatory response and angiographic lesions extent in patients with stable CAD. DESIGN A total of 131 subjects referred to our centre for coronary angiography were evaluated for presence and extension of CAD, then divided into two groups, one with presence of lesions (cases, n = 85) and other one with absence of lesions (controls, n = 46). Mean periodontal pocket depth (PPkD), high sensitivity C reactive protein (hs-CRP), serum amyloid A protein (SAA) and fibrinogen levels were measured in all patients. RESULTS Cases and controls did not differ according to their baseline characteristics and prevalence of traditional cardiovascular risk factors. PPkD was greater in patients with CAD than in controls (2.24 +/- 1.28 mm vs 1.50 +/- 0.93 mm, P < 0.001 by Student's t-test). Systemic inflammatory response was more pronounced in cases than in controls, with higher values of hs-CRP, SAA and fibrinogen. Furthermore, PPkD values correlated with hs-CRP (r = 0.80, P < 0.001), SAA (r = 0.71, P < 0.001), fibrinogen levels (r = 0.72, P < 0.001) and the American College of Cardiology/American Heart Association angiographic score (r = 0.68, P < 0.001) in cases. Multivariate analysis indicated a persistent independent correlation between PPkD and angiographic score after adjustment for inflammatory markers levels. CONCLUSION In the present study, PD lesions predicted presence of CAD stenosis in patients with cardiovascular risk factors. PD severity was correlated to angiographic extent of coronary lesions, independent of systemic inflammatory status. Those results suggest that these patients might benefit from an intensive periodontal therapy to prevent CAD progression.
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Affiliation(s)
- N Amabile
- Department of Cardiology, University of Marseille, Hôpital Nord, Marseille, France.
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107
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Boutouyrie P, Bouchard P, Mattout C, Bourgeois D. Periodontitis and Calculated Risk of Cardiovascular Mortality. Clin Med Cardiol 2008. [DOI: 10.4137/cmc.s573] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- P. Boutouyrie
- Service de Pharmacologié, Universite Paris 5 René Descartes Faculté de Médecine et INSERM U652, Assistance publique Hôpitaux de Paris, Hôpital Européen Georges Pompidou, France
| | - P. Bouchard
- Service d'Odontologie, Université Paris 7 Denis Diderot, Hôtel Dieu, Assistance Publique Hôpitaux de Paris, Paris, France
| | - C. Mattout
- Periodontal Private Practice, Marseille, France
| | - D. Bourgeois
- LIRIS UMR CNRS 5205, University Lyon I, France
- Global Oral Health Program, Department for Chronic Disease and Health Promotion, World Health Organization, Geneva, Switzerland
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108
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Demmer RT, Kocher T, Schwahn C, Völzke H, Jacobs DR, Desvarieux M. Refining exposure definitions for studies of periodontal disease and systemic disease associations. Community Dent Oral Epidemiol 2008; 36:493-502. [PMID: 18422705 DOI: 10.1111/j.1600-0528.2008.00435.x] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Substantial variation exists in reported associations between periodontal infections and cardiovascular disease. Imprecise periodontal exposure definitions are possible contributors to this variability. We studied appropriate exposure definitions for studying associations between clinical periodontal disease (PD) and systemic disease. METHODS Data originate from men and women aged 20-79 enrolled in the Study of Health in Pomerania (SHIP) from 1997-2001. Age and sex-adjusted correlation analysis identified PD definitions with the highest cross-sectional associations with three subclinical markers of systemic disease: plasma fibrinogen (n = 3481), serum hemoglobin A1c (HbA1c) (n = 3480), and common carotid artery intima-media thickness (c-IMT) (n = 1745, age > or = 45). RESULTS In men and women, percent of sites with attachment loss (AL) > or =6 mm and tooth loss both revealed the highest correlation with HbA1c (rho = 0.11; several other definitions related similarly), while the strongest fibrinogen correlation was observed with percent of sites with pocket depth > or =3 mm (rho = 0.19). Findings for c-IMT among men were strongest for percent of sites with AL > or =6 mm (rho = 0.14; several other definitions related similarly) while among women, percent of sites with pocket depth > or =5 or 6 mm had the highest observed correlation (rho = 0.13). CONCLUSIONS A range of near optimal definitions varied according to gender and whether the systemic disease marker reflected an acute or chronic situation. Pocket depth was more strongly correlated with the acute marker fibrinogen while attachment and tooth loss tended to be more strongly correlated with the chronic markers, HbA1c, and c-IMT. These findings can be useful in designing future studies investigating the association between PD and systemic disease.
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Affiliation(s)
- Ryan T Demmer
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY 10032, USA.
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109
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Lund Håheim L, Olsen I, Nafstad P, Schwarze P, Rønningen KS. Antibody levels to single bacteria or in combination evaluated against myocardial infarction. J Clin Periodontol 2008; 35:473-8. [PMID: 18410396 DOI: 10.1111/j.1600-051x.2008.01229.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
BACKGROUND Evidence is accumulating that oral bacteria are associated with myocardial infarctions (MI). We were interested in studying the differences in the association between single bacteria or bacteria in combination and the relation to C-reactive protein (CRP). MATERIAL AND METHODS We examined the levels of antibodies against four major periodontal pathogens Porphyromonas gingivalis (PG), Aggregatibacter actinomycetemcomitans (AA), Tannerella forsythia (TF) and Treponema denticola (TD) and CRP in 548 men with a self-reported history of MI to 625 controls who took part in the Oslo II study in 2000. RESULTS The mean levels of bacterial antibodies were higher for the cases than the controls, but not significant as standard deviations were large. The level of CRP was higher in the cases than the controls (p=0.010). Logistic regression analyses comparing the upper quartile value with the lower value of one of either four antibodies (anti-AA, anti-TF, anti-TD and anti-PG) were significantly associated (p=0.032) with MI. Equivalent analyses of either three bacteria showed significant associations for anti-AA, anti-TD and anti-PG (p=0.036) and anti-AA, anti-PG and anti-TF (p=0.040). CRP showed an increased relative risk with increasing quartile value; trend, p=0.016, but not in multivariate analysis including the oral antigens. CONCLUSIONS No single bacterium but rather combinations were related to increasing relative risk for MI independent of known cardiovascular risk factors.
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110
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Dietrich T, Jimenez M, Krall Kaye EA, Vokonas PS, Garcia RI. Age-dependent associations between chronic periodontitis/edentulism and risk of coronary heart disease. Circulation 2008; 117:1668-74. [PMID: 18362228 DOI: 10.1161/circulationaha.107.711507] [Citation(s) in RCA: 204] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
BACKGROUND Several epidemiological studies have suggested periodontitis as a risk factor for coronary heart disease (CHD), but results have been inconsistent. METHODS AND RESULTS We evaluated the association between clinical and radiographic measures of periodontitis, edentulism, and incident CHD (angina, myocardial infarction, or fatal CHD) among 1203 men in the VA Normative Aging and Dental Longitudinal Studies who were followed up with triennial comprehensive medical and dental examinations up to 35 years (median 24 years). Cox proportional hazards models with time-varying effects of exposure and potential confounders were fit. We found a significant dose-dependent association between periodontitis and CHD incidence among men < 60 years of age (hazard ratio 2.12, 95% confidence interval 1.26 to 3.60 comparing highest versus lowest category of radiographic bone loss, P for trend=0.02), independent of age, body mass index, smoking, alcohol intake, diabetes mellitus, fasting glucose, total cholesterol, high-density lipoprotein cholesterol, triglycerides, hypertension, systolic and diastolic blood pressure, education, marital status, income, and occupation. No association was found among men > 60 years of age. Similar results were found when the sum of probing pocket depths was used as a measure of periodontitis. Among men > or = 60 years of age, edentulous men tended to have a higher risk of CHD than dentate men in the lowest bone loss (hazard ratio 1.61, 95% confidence interval 0.95 to 2.73) and lowest pocket depth (hazard ratio 1.72, 95% confidence interval 1.03 to 2.85) categories, independent of confounders. CONCLUSIONS Chronic periodontitis is associated with incidence of CHD among younger men, independent of established cardiovascular risk factors.
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Affiliation(s)
- Thomas Dietrich
- Department of Health Policy and Health Services Research, Boston University Goldman School of Dental Medicine, Boston, Mass, USA
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111
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Couper DJ, Beck JD, Falkner KL, Graham SP, Grossi SG, Gunsolley JC, Madden T, Maupome G, Offenbacher S, Stewart DD, Trevisan M, Van Dyke TE, Genco RJ. The Periodontitis and Vascular Events (PAVE) pilot study: recruitment, retention, and community care controls. J Periodontol 2008; 79:80-9. [PMID: 18166096 DOI: 10.1902/jop.2008.070216] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND Population-based clinical and laboratory studies have reported findings providing support for a possible relationship between periodontal disease and cardiovascular disease. The Periodontitis and Vascular Events (PAVE) pilot study was conducted to investigate the feasibility of a randomized secondary prevention trial to test whether treatment of periodontal disease reduces the risk for cardiovascular disease. METHODS Five clinical centers recruited participants who had documented coronary heart disease and met study criteria for periodontal disease. Eligible participants were randomized to receive periodontal therapy provided by the study or community dental care. Follow-up telephone calls and clinic visits were planned to alternate at 3-month intervals after randomization, with all participants followed until at least the 6-month clinic visit. Participants were followed for adverse events and periodontal and cardiovascular outcomes. RESULTS A total of 303 participants were randomized. Recruitment that involved active participation of a cardiologist with responsibility for the patients worked best among the strategies used. Of those who had not withdrawn, 93% completed the 6-month contact. During follow-up, 11% of the 152 subjects in the community dental care group reported receiving periodontal therapy outside of the study. CONCLUSIONS If appropriate recruitment strategies are used, this pilot study demonstrated that it is feasible to conduct a secondary prevention trial of periodontal therapy in patients who have had coronary heart disease. If a community dental care group is used, sample size estimation needs to take into account that a non-trivial proportion of participants in this group may receive periodontal therapy outside of the study.
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Affiliation(s)
- David J Couper
- Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27514, USA
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112
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Bahekar AA, Singh S, Saha S, Molnar J, Arora R. The prevalence and incidence of coronary heart disease is significantly increased in periodontitis: a meta-analysis. Am Heart J 2007; 154:830-7. [PMID: 17967586 DOI: 10.1016/j.ahj.2007.06.037] [Citation(s) in RCA: 416] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2007] [Accepted: 06/27/2007] [Indexed: 12/13/2022]
Abstract
BACKGROUND Previous studies have shown conflicting results as to whether periodontitis (PD) is associated with increased risk of coronary heart disease (CHD). The aim of the current study was to evaluate whether such an association exists. METHODS A systematic review of the literature revealed 5 prospective cohort studies (follow-up >6 years), 5 case-control studies, and 5 cross-sectional studies that were eligible for meta-analysis. Individual studies were adjusted for confounding factors such as age, sex, diabetes mellitus, and smoking. The 3 study categories were analyzed separately. Heterogeneity of the studies was assessed by Cochran Q test. The studies were homogeneous; therefore, the Mantel-Haenszel fixed-effect model was used to compute common relative risk and odds ratio (OR). RESULTS Meta-analysis of the 5 prospective cohort studies (86092 patients) indicated that individuals with PD had a 1.14 times higher risk of developing CHD than the controls (relative risk 1.14, 95% CI 1.074-1.213, P < .001). The case-control studies (1423 patients) showed an even greater risk of developing CHD (OR 2.22, 95% CI 1.59-3.117, P < .001). The prevalence of CHD in the cross-sectional studies (17724 patients) was significantly greater among individuals with PD than in those without PD (OR 1.59, 95% CI 1.329-1.907, P < .001). When the relationship between number of teeth and incidence of CHD was analyzed, cohort studies showed 1.24 times increased risk (95% CI 1.14-1.36, P < .0001) of development of CHD in patients with <10 teeth. CONCLUSIONS This meta-analysis indicates that both the prevalence and incidence of CHD are significantly increased in PD. Therefore, PD may be a risk factor for CHD. Prospective studies are required to prove this assumption and evaluate risk reduction with the treatment of PD.
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113
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Sharma R, Maimanuku LR, Morse Z, Pack AR. Preterm low birth weights associated with periodontal disease in the Fiji Islands. Int Dent J 2007; 57:257-60. [PMID: 17849684 DOI: 10.1111/j.1875-595x.2007.tb00129.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
AIM To determine any association between pre-term low birth weight (PTLBW) neonates and periodontal disease during the mother's pregnancy. DESIGN A multi-centered prospective case cohort study. SETTING Ante-natal clinics at the Colonial War Memorial and Lautoka Hospitals, Fiji from 1st January to 30th June 2004. PARTICIPANTS 670 multiethnic pregnant women. METHODS Participants were interviewed to identify confounding variables--medical conditions, smoking, alcohol consumption, maternal age and history of preterm birth. Oral examination was conducted and included the Community Periodontal Index of Treatment Needs (CPITN). Delivery outcome was recorded for each woman. RESULTS The mean age of participants was 25.80 +/- 5.56 years. 1.9% (n=13) women delivered preterm babies. More than 50% of this group displayed moderate to severe periodontitis compared with 13% of women who had a normal delivery. Preterm birth was also associated with the mother having had a previous preterm birth and who was more likely to be Indo-Fijian (p < 0.01). There was no significant association with where the mother lived; however, rural women with PTLBW babies had more severe periodontal disease (p = 0.0001). CONCLUSION There is a highly significant association between pre-term birth and moderate to severe periodontal disease (p = 0.0001).
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Affiliation(s)
- Ramakant Sharma
- Fiji School of Medicine, Suva, The Republic of the Fiji Islands
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114
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Völzke H, Schwahn C, Dörr M, Aumann N, Felix SB, John U, Rettig R, Dören M, Biffar R, Kocher T. Inverse association between number of teeth and left ventricular mass in women. J Hypertens 2007; 25:2035-43. [PMID: 17885545 DOI: 10.1097/hjh.0b013e3282861fc0] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVES Recently, we have demonstrated a sex-specific inverse association between the number of teeth and hypertension. Left ventricular hypertrophy is a major cardiac sequel of hypertension. With the present study we sought to investigate whether there is also an inverse association between the number of teeth and left ventricular mass (LVM). METHODS We used data from 1913 subjects (1036 women and 877 men) who were recruited for the population-based Study of Health in Pomerania (SHIP). The number of teeth, with the exception of the third molars, was counted in the full mouth. LVM was determined echocardiographically. Multivariable analyses were adjusted for major confounders. RESULTS Women with fewer teeth had higher values for LVM than women with more teeth. This association was stable when controlled for major confounders. In the full model, edentulous women had an adjusted LVM of 178.4 g [95% confidence interval (CI) 170.4, 186.3 g] while women with 24-28 teeth had an adjusted LVM of 164.8 g (95% CI 156.8, 172.9 g; P < 0.01). In men, no such differences were observed. CONCLUSIONS We conclude that there is an association between the number of teeth and LVM in women aged 45 years or older. In women, these findings further explain why poor oral health predicts all-cause and circulatory mortality. Further research in young, low-risk populations is needed to explore this association in men.
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Affiliation(s)
- Henry Völzke
- Institute of Epidemiology and Social Medicine, Germany.
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115
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Lai H, Lo MT, Wang PE, Wang TT, Chen THH, Wu GHM. A community-based epidemiological study of periodontal disease in Keelung, Taiwan: a model from Keelung community-based integrated screening programme (KCIS No. 18). J Clin Periodontol 2007; 34:851-9. [PMID: 17711479 DOI: 10.1111/j.1600-051x.2007.01121.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
AIMS To estimate the prevalence and severity of periodontal disease (PD) in the Taiwanese population aged 35-44 years and to investigate the association between demographic factors and PD. MATERIALS AND METHODS Between 2003 and 2005, residents of Keelung of the appropriate age were invited to screening. The community periodontal index (CPI) and loss of attachment (LA) index were used to measure the periodontal status at subject (prevalence) and sextant levels (severity). Basic demographic information was also collected by a questionnaire. RESULTS Of 8462 enrollees, 94.8% had some signs of PD, of whom 29.7% had periodontal pockets >3 mm and 35% LA >3 mm. Calculus was the most common problem in terms of both prevalence (49.6%) and severity (affecting an average of 3.0 sextants per person). Risk factors for poor periodontal status (as measured by CPI) were older age (odds ratio, OR: 1.44), male gender (OR: 2.70), low education level (OR: 1.40), and being a manual worker (OR: 1.51). Similar findings were observed for LA. CONCLUSION The prevalence of PD in 35-44-year-olds was found to be high in this large community-based study of screening for PD with CPI and LA. Poorer periodontal health was observed in males, the less educated, and manual workers.
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116
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Tu YK, Galobardes B, Smith GD, McCarron P, Jeffreys M, Gilthorpe MS. Associations between tooth loss and mortality patterns in the Glasgow Alumni Cohort. Heart 2007; 93:1098-103. [PMID: 17164486 PMCID: PMC1955024 DOI: 10.1136/hrt.2006.097410] [Citation(s) in RCA: 92] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/31/2006] [Indexed: 12/30/2022] Open
Abstract
OBJECTIVE To use data from the Glasgow Alumni Cohort to investigate whether oral health in young adulthood is independently associated with later life cardiovascular disease (CVD) and cancer mortality. METHODS AND RESULTS Of the original cohort (n = 15 322), 12 631 subjects were traced through the National Health Service Central Register. Of these, 9569 men and 2654 women were 30 years or younger at baseline. During up to 57 years of follow-up, 1432 deaths occurred among subjects with complete data, including 509 deaths from CVD and 549 from cancer. After adjusting for potential confounders, no substantial association was found between the number of missing teeth (as a continuous variable) and all-cause mortality (hazard ratio (HR) for each extra missing tooth = 1.01; 95% confidence interval (CI) 1.00 to 1.02), CVD mortality (HR = 1.01; 95% CI 0.99 to 1.03) or cancer mortality (HR = 1.00; 95% CI 0.98 to 1.02). When the number of missing teeth was treated as a categorical variable, there was evidence that students with nine or more missing teeth at baseline had an increased risk of CVD (HR = 1.35; 95% CI 1.03 to 1.77) compared with those with fewer than five missing teeth. When the number of missing teeth was transformed using fractional polynomials, there seemed to be a non-linear relation between missing teeth and CVD mortality. CONCLUSIONS Although some evidence was found to support the relation between tooth loss and CVD mortality, causal mechanisms underlying this association remain uncertain.
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Affiliation(s)
- Yu-Kang Tu
- Leeds Dental Institute, University of Leeds, Leeds, UK.
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117
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Söder B, Jin LJ, Klinge B, Söder PO. Periodontitis and premature death: a 16-year longitudinal study in a Swedish urban population. J Periodontal Res 2007; 42:361-6. [PMID: 17559634 DOI: 10.1111/j.1600-0765.2006.00957.x] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
BACKGROUND AND OBJECTIVE Growing experimental evidence implicates chronic inflammation/infection due to periodontal diseases as a risk factor for death. The objective was to evaluate the role of periodontitis in premature death in a prospective study. METHODS The causes of death in 3273 randomly-selected subjects, aged 30-40 years, from 1985 to 2001 were registered. At baseline, 1676 individuals underwent a clinical oral examination (Group A) and 1597 did not (Group B). Mortality and causes of death from 1985 to 2001 were recorded according to ICD-9-10. RESULTS In Groups A (clinically examined group) and B, a total of 110 subjects had died: 40 subjects in Group A, and 70 in Group B. In Group A significant differences were present at baseline between survivors and persons who later died, with respect to dental plaque, calculus, gingival inflammation and number of missing molars in subjects with periodontitis (p < 0.001). The multiple logistic regression analysis results of the relationship between being dead (dependent variable) and several independent variables identified periodontitis with any missing molars as a principal independent predictor of death. CONCLUSIONS Young individuals with periodontitis and missing molars seem to be at increased risk for premature death by life-threatening diseases, such as neoplasms, and diseases of the circulatory and digestive systems.
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Affiliation(s)
- B Söder
- Institute of Odontology, Karolinska Institutet, Huddinge, Sweden.
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118
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Kaisare S, Rao J, Dubashi N. Periodontal disease as a risk factor for acute myocardial infarction. A case-control study in Goans highlighting a review of the literature. Br Dent J 2007; 203:E5; discussion 144-5. [PMID: 17694042 DOI: 10.1038/bdj.2007.582] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
OBJECTIVES The aim of the present study was to investigate the possible association between periodontal health and acute myocardial infarction (AMI) in a case-control design. MATERIALS AND METHODS A total of 500 patients, 250 with AMI and 250 with coronary heart disease (CHD) were included in this study. The patients in the AMI group were admitted in the department of Medicine, Goa Medical College and Hospital, Bambolim-Goa because of AMI. The patients in the CHD group had no documented history of recent acute coronary events. Medical history was taken and data on serum lipid values, decayed teeth, missing teeth, filled teeth, probing depth (PD), simplified oral hygiene index (OHI-S) and bleeding on probing (BOP) were recorded. Sample proportions were compared by Pearson's chi-square test and quantitative variables with Student's t-test. The relation of clinical parameters and conventional risk factors with AMI was assessed with multivariate logistic regression analysis. RESULTS All the serum lipids and dental parameters were statistically different between AMI and CHD groups (p <0.05). Logistic regression analysis showed that serum lipids, number of decayed teeth, mean PD, percentage of sites with BOP, and oral hygiene were significantly associated with AMI (p <0.05). CONCLUSION The results of this study indicate that periodontal disease may be associated with AMI. We propose that prospective randomised studies are needed to determine whether periodontal disease is a risk factor in the occurrence of AMI.
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Affiliation(s)
- S Kaisare
- Department of Periodontics, Goa Dental College and Hospital, Bambolim, Goa, India.
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119
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Paquette DW, Brodala N, Nichols TC. Cardiovascular disease, inflammation, and periodontal infection. Periodontol 2000 2007; 44:113-26. [PMID: 17474929 DOI: 10.1111/j.1600-0757.2006.00196.x] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- David W Paquette
- Department of Periodontology, Center for Oral and Systemic Diseases, School of Dentistry, University of North Carolina at Chapel Hill, USA
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120
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Gotsman I, Lotan C, Soskolne WA, Rassovsky S, Pugatsch T, Lapidus L, Novikov Y, Masrawa S, Stabholz A. Periodontal Destruction Is Associated With Coronary Artery Disease and Periodontal Infection With Acute Coronary Syndrome. J Periodontol 2007; 78:849-58. [PMID: 17470018 DOI: 10.1902/jop.2007.060301] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Coronary artery disease (CAD) is a highly prevalent disease with significant morbidity and mortality. Periodontal disease has been suggested to influence this disease and has been associated with CAD in some epidemiologic studies. However, this relation is still controversial. This study aimed to determine the relationship between periodontal disease measures and CAD and acute coronary syndromes (ACSs). METHODS Two hundred one patients presenting with stable angina or ACS referred for coronary angiography underwent a periodontal assessment including evaluation of periodontal pathogens. Severity of CAD was determined by the number of obstructed coronary arteries. RESULTS Patients with severe CAD defined by multiple vessel disease had significantly more periodontal destruction than those with mild CAD, as shown by mean clinical attachment level, a measure of chronic periodontal disease (CAL; 5.43 +/- 1.8 versus 4.85 +/- 1.6; P = 0.02), percentage of teeth with CAL >or=5 mm (82.1 +/- 23.4 versus 70.4 +/- 26.9; P = 0.002), and number of missing teeth (8.75 +/- 6.6 versus 6.76 +/- 6.6; P = 0.03). Logistic regression analysis showed that percentage of teeth with CAL >or=5 mm was significantly associated with CAD severity. Patients with ACS had significantly higher plaque scores, gingival index, and Porphyromonas gingivalis counts than stable patients. Logistic regression analysis showed that either plaque score or percentage of P. gingivalis was significantly associated with ACS. CONCLUSION Periodontal destruction measures are significantly correlated with CAD severity, whereas periodontal infectious measures are significantly associated with clinical cardiac status.
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Affiliation(s)
- Israel Gotsman
- Heart Institute, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
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121
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Airila-Månsson S, Bjurshammar N, Yakob M, Söder B. Self-reported oral problems, compared with clinical assessment in an epidemiological study. Int J Dent Hyg 2007; 5:82-6. [PMID: 17461959 DOI: 10.1111/j.1601-5037.2007.00231.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
OBJECTIVES To study self-reported oral problems in relation to periodontal clinical findings in an epidemiological investigation. MATERIALS AND METHODS 1676 individuals, 828 men and 848 women, participated. The clinical examination comprised the number of remaining teeth excluding third molars, plaque index (PLI), gingival index (GI), bleeding on probing (BOP%), calculus index (CI) and the number of teeth with pocket depth (PD) > or =5 mm. Participants answered a questionnaire concerning smoking and snuffing habits and described in their own words any oral problems present. Analysis of variance (anova), unpaired t-test and chi-squared test were the statistical methods used. RESULTS The questionnaire was completed by 99.4% of participants. Problems of the teeth and mouth were reported by 28.9% of respondents comprising 31.8% females and 26.2% males. The difference between the sexes was statistically significant (P < 0.05). Of the reported oral problems, 57.4% was of periodontal origin. The differences between subjects with and without self-reported mobile teeth showed significant clinical outcome in PLI (P < 0.001), CI (P < 0.01), GI (P < 0.001), BOP% (P < 0.01), the number of teeth with PD > or = 5 mm (P < 0.001) and the number of remaining teeth (P < 0.001). The differences between subjects with and without self-reported periodontal disease and with and without bleeding gingiva also showed significant differences in CI (P < 0.05), GI (P < 0.05) and the number of teeth with PD > or = 5 mm (P < 0.05) and in PLI (0.001), CI (P < 0.01), GI (P < 0.001) and BOP% (P < 0.001) respectively. CONCLUSIONS Present study clearly shows that self-reported periodontal problems were confirmed by clinical assessments.
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Affiliation(s)
- S Airila-Månsson
- Institute of Odontology, Karolinska Institutet, Huddinge, Sweden
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122
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Demmer RT, Desvarieux M. Periodontal infections and cardiovascular disease: the heart of the matter. J Am Dent Assoc 2007; 137 Suppl:14S-20S; quiz 38S. [PMID: 17012731 DOI: 10.14219/jada.archive.2006.0402] [Citation(s) in RCA: 131] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Oral infection models have emerged as useful tools to study the hypothesis that infection is a cardiovascular disease (CVD) risk factor. Periodontal infections are a leading culprit, with studies reporting associations between periodontal disease and CVD. The results, however, have varied, and it often is unclear what conclusions can be drawn from these data. SUMMARY An association exists between periodontal disease and CVD. It is unknown, however, whether this relationship is causal or coincidental. Early studies predominantly used nonspecific clinical and radiographic definitions of periodontal disease as surrogates for infectious exposure. While most studies demonstrated positive associations between periodontal disease and CVD, not all studies were positive, and substantial variations in results were evident. More recent studies have enhanced the specificity of infectious exposure definitions by measuring systemic antibodies to selected periodontal pathogens or by directly measuring and quantifying oral microbiota from subgingival dental plaque. Results from these studies have shown positive associations between periodontal disease and CVD. CONCLUSIONS Evidence continues to support an association among periodontal infections, atherosclerosis and vascular disease. Ongoing observational and focused pilot intervention studies may inform the design of large-scale clinical intervention studies. Recommending periodontal treatment for the prevention of atherosclerotic CVD is not warranted based on scientific evidence. Periodontal treatment must be recommended on the basis of the value of its benefits for the oral health of patients, recognizing that patients are not healthy without good oral health. However, the emergence of periodontal infections as a potential risk factor for CVD is leading to a convergence in oral and medical care that can only benefit the patients and public health.
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Affiliation(s)
- Ryan T Demmer
- Department of Epidemiology, Mailman School of Public Health, Columbia University, 722 W. 168th St., Suite 1704, New York, NY 10032, USA
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Kshirsagar AV, Offenbacher S, Moss KL, Barros SP, Beck JD. Antibodies to Periodontal Organisms Are Associated with Decreased Kidney Function. Blood Purif 2006; 25:125-32. [PMID: 17170550 DOI: 10.1159/000096411] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
BACKGROUND/AIMS Increasing evidence suggests that clinical signs of periodontal disease are independently associated with renal impairment. However, no studies have examined the possible linkage of kidney disease with serum antibody to oral pathogens. METHODS The periodontal disease status was assessed in an older community-dwelling population (Dental Atherosclerosis Risk in Communities) to include: clinical measurements; oral biofilm microbial composition by DNA checkerboard, and serum antibody immunoglobulin-gamma (IgG) titers to specific bacteria by immunocheckerboard. Baseline characteristics were used to compute estimated glomerular filtration rate defining eGFR <60 ml/min/1.73 m(2) as impaired renal function in 103 of 5,032 subjects. Levels of serum IgG to specific oral bacteria were categorized by quartiles (comparing upper vs. lower three) as high titer and GFR <60 as the dependent variable in logistic regression models, adjusting for multiple comparisons (Hotelling T(2)) and traditional risk factors including age, race, smoking, diabetes, hypertension, body mass, waist-to-hip ratio, serum triglycerides, HDL, and LDL cholesterol. RESULTS High levels of serum IgG to selected periodontal pathogens including Porphyromonas gingivalis, Treponema denticola and Aggregobacter actinomycetemcomitans were associated with an increased odds for GFR <60 ml/min/1.73 m(2), adjusted odds ratio ranging from 1.6 to 1.8 and p < 0.05. CONCLUSIONS Elevated IgG to periodontal pathogens is significantly associated with impaired kidney function, independent of traditional risk factors. Prospective studies are necessary to confirm these findings.
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Affiliation(s)
- Abhijit V Kshirsagar
- Division of Nephrology and Hypertension, UNC Kidney Center, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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125
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Pannier B, Thomas F, Eschwège E, Bean K, Benetos A, Leocmach Y, Danchin N, Guize L. Cardiovascular risk markers associated with the metabolic syndrome in a large French population: the SYMFONIE study. DIABETES & METABOLISM 2006; 32:467-74. [PMID: 17110902 DOI: 10.1016/s1262-3636(07)70305-1] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVE The SYMFONIE study was designed to analyze the clinical and biological characteristics, and the cardiovascular risk markers, in men and women with the metabolic syndrome compared to control subjects. RESEARCH DESIGN AND METHODS The study population included 101,697 men and women, 18 to 80 years of age, who had a health checkup at the Centre d'Investigations Preventives et Cliniques (Paris, France) between 1997 to 2002. The metabolic syndrome was defined according to the ATpiiI-NCEP 2001 criteria. RESULTS Out of the 66,202 men (47.4+/-11.8 years) and 35,495 women (48.5+/-13.6 years) included in this population, 6761 men (10.2%) and 2155 women (6.1%) presented the metabolic syndrome. Among subjects < or =40 years of age, the prevalence of the metabolic syndrome was 5.0% in men and 2.2% in women, and rose to 14.1% and 12.0%, respectively, among men and women >70 years of age. After adjustment for age, patients with the metabolic syndrome presented higher pulse pressure (systolic minus diastolic blood pressure), higher heart rate, lower vital respiratory capacity, lower physical activity, an increase in inflammatory status assessed through leukocyte count and dental inflammation, hepatic abnormalities, and increased levels of stress and depression. CONCLUSION In this large French population, the prevalence of the metabolic syndrome is lower than in North American and northern European populations. Patients with the metabolic syndrome present several additional hemodynamic, inflammatory and psychological risk markers which could contribute to the poor cardiovascular prognosis of these subjects.
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Affiliation(s)
- B Pannier
- Centre Investigations Préventives et Cliniques (IPC), Paris
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126
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Geismar K, Stoltze K, Sigurd B, Gyntelberg F, Holmstrup P. Periodontal disease and coronary heart disease. J Periodontol 2006; 77:1547-54. [PMID: 16945033 DOI: 10.1902/jop.2006.050405] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Several epidemiological studies have demonstrated an association between periodontal disease and coronary heart disease (CHD). The association could be a result of confounding by mutual risk factors. The present study was undertaken in a Danish population to reveal the significance of common risk factors. METHODS The investigation was conducted as a case-control study comprising 250 individuals: 110 individuals with verified CHD from a Department of Cardiovascular Medicine and 140 control individuals without CHD from the Copenhagen City Heart Study. Information on diabetic status, smoking habits, alcohol consumption, physical activity, school attendance, household income, body weight and height, triglyceride, and serum cholesterol was obtained. Full-mouth probing depth (PD), clinical attachment loss (CAL), bleeding on probing (BOP), and alveolar bone level (ABL) on radiographs were registered. ABL was stratified into ABL1=ABL<or=2 mm; ABL2=ABL>2 to <or=4 mm; and ABL3=ABL>4 mm. Multiple logistic regression models with stepwise backward elimination were used allowing variables with P<0.15 to enter the multivariate analysis. RESULTS The CHD group had a significantly lower outcome with respect to PD, BOP, CAL, and ABL. For participants<60 years old, only risk factors such as smoking and diabetic status entered the multivariate analysis. For the ABL3 group, there was a significant association with CHD for participants<60 years old, the odds ratio being 6.6 (1.69 to 25.6). For participants>or=60 years old, there was no association. CONCLUSIONS The present study showed a positive association between periodontal disease and CHD in agreement with several other studies. The association was highly age dependent and could only be attributed to diabetes and smoking to some extent.
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Affiliation(s)
- Karen Geismar
- Department of Periodontology, School of Dentistry, Faculty of Health Science, University of Copenhagen, and Department of Cardiovascular Medicine, Rehabilitation Unit, Bispebjerg University Hospital, Copenhagen, Denmark.
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127
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Lee HJ, Garcia RI, Janket SJ, Jones JA, Mascarenhas AK, Scott TE, Nunn ME. The Association Between Cumulative Periodontal Disease and Stroke History in Older Adults. J Periodontol 2006; 77:1744-54. [PMID: 17032119 DOI: 10.1902/jop.2006.050339] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Since the late 1980s, several studies have been conducted to investigate the relationship between periodontal disease and ischemic stroke. The purpose of this study is to investigate the relationship of periodontal disease to the self-reported history of stroke in the elderly (60 years of age and older) by examining the data of the Third National Health and Nutrition Examination Survey (NHANES III). METHODS Data from NHANES III, a large population-based cross-sectional survey of the United States, were used for this study. Because 1,563 of the 5,123 subjects in the study were edentulous, and periodontal disease is a major cause of tooth loss, it was necessary to account for edentulousness in the statistical analysis to avoid bias. Hence, a new index called the periodontal health status (PHS) index was developed to address this problem. Two measures of PHS were developed: PHS I, based on the median percentage of sites with >/=2 mm clinical attachment loss (CAL), and PHS II, based on the median percentage of sites with >/=3 mm CAL. Multiple logistic regression analysis was used to test for the association of PHS with stroke history. Two types of a multiple logistic regression model were fit: 1) logistic regression modeling with adjustment for age and tobacco use only; and 2) logistic regression modeling with adjustment of all statistically significant confounders. RESULTS Based on multiple logistic regression analysis of PHS with adjustment for age and tobacco use only, completely edentulous elderly adults (PHS Class 5) and partially edentulous (teeth in one arch) elderly adults with appreciable clinical attachment loss (PHS Class 4) were significantly more likely to have a history of stroke compared to dentate adults (teeth in both arches) without appreciable clinical attachment loss (PHS Class 1). When multiple logistic regression models were fit with adjustment of all significant confounders, no statistically significant association was found between PHS and stroke. CONCLUSIONS Based on the results of this study, there is evidence of an association between cumulative periodontal disease, based on PHS, and a history of stroke. However, it is unclear whether cumulative periodontal disease is an independent risk factor for stroke or a risk marker for the disease.
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Affiliation(s)
- Hyo-Jung Lee
- Department of Health Policy and Health Services Research, Goldman School of Dental Medicine, Boston University, Boston, MA, USA
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128
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Gibson FC, Yumoto H, Takahashi Y, Chou HH, Genco CA. Innate immune signaling and Porphyromonas gingivalis-accelerated atherosclerosis. J Dent Res 2006; 85:106-21. [PMID: 16434728 DOI: 10.1177/154405910608500202] [Citation(s) in RCA: 132] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Periodontal diseases are a group of diseases that lead to erosion of the hard and soft tissues of the periodontium, which, in severe cases, can result in tooth loss. Anecdotal clinical observations have suggested that poor oral health may be associated with poor systemic health; however, only recently have appropriate epidemiological studies been initiated, with defined clinical endpoints of periodontal disease, to address the association of periodontal disease with increased risk for cardiovascular and cerebrovascular disease. Although conflicting reports exist, these epidemiological studies support this connection. Paralleling these epidemiological studies, emerging basic scientific studies also support that infection may represent a risk factor for atherosclerosis. With P. gingivalis as a model pathogen, in vitro studies support that this organism can activate host innate immune responses associated with atherosclerosis, and in vivo studies demonstrate that this organism can accelerate atheroma deposition in animal models. In this review, we focus primarily on the basic scientific studies performed to date which support that infection with bacteria, most notably P. gingivalis, accelerates atherosclerosis. Furthermore, we attempt to bring together these studies to provide an up-to-date framework of emerging theories into the mechanisms underlying periodontal disease and increased risk for atherosclerosis, as well as identify intervention strategies to reduce the incidence of periodontal disease in humans, in an attempt to decrease risk for systemic complications of periodontal disease such as atherosclerotic cardiovascular disease.
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Affiliation(s)
- F C Gibson
- Department of Medicine, Section of Infectious Diseases, Boston University School of Medicine, Evans Biomedical Research Center, Boston, MA 02118, USA
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129
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Holmlund A, Holm G, Lind L. Severity of periodontal disease and number of remaining teeth are related to the prevalence of myocardial infarction and hypertension in a study based on 4,254 subjects. J Periodontol 2006; 77:1173-8. [PMID: 16805679 DOI: 10.1902/jop.2006.050233] [Citation(s) in RCA: 132] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND During the past 15 years, mounting evidence for the association between periodontal and cardiovascular disease has been presented in epidemiological studies. The aim of this study was to investigate how the severity of periodontal disease and number of remaining teeth relates to myocardial infarction (MI) and hypertension (HT). METHODS Self-reported history of HT and MI was collected in 3,352 patients referred to the Department of Periodontology, Gävle County Hospital, and in 902 subjects randomly selected from the general population. Severity of periodontitis was estimated by a combination of the amount of bone loss around each tooth investigated from a full-mouth x-ray, the presence or absence of bleeding on probing (BOP), and involvement of furcations. RESULTS The severity of periodontitis was significantly associated with HT (prevalence 16%; P<0.0005), even after adjustment for age, gender, number of teeth, and smoking in the total sample, and with MI (prevalence 1.7%, P<0.03) after above-mentioned adjustments, but in middle-aged (40 to 60 years) subjects only. The number of diseased periodontal pockets was related to HT only (P<0.0001), and this relationship remained after the above-mentioned adjustments. The number of teeth was associated with MI (P<0.03) even after correction for age, gender, and smoking but was not related to hypertension. CONCLUSIONS The severity of periodontal disease was related to HT independent of age but to the prevalence of MI in middle-aged subjects only. The number of diseased pockets was significantly related to HT only. On the other hand, the number of teeth was associated with the prevalence of MI independent of age but not to HT. These data support the view that oral health is related to cardiovascular disease in a dose-dependent manner.
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Affiliation(s)
- Anders Holmlund
- Department of Periodontology, The County Hospital of Gävle-Sandviken, Center for Research and Development, Uppsala University, Gävle, Sweden.
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130
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Andriankaja OM, Genco RJ, Dorn J, Dmochowski J, Hovey K, Falkner KL, Scannapieco F, Trevisan M. The use of different measurements and definitions of periodontal disease in the study of the association between periodontal disease and risk of myocardial infarction. J Periodontol 2006; 77:1067-73. [PMID: 16734583 DOI: 10.1902/jop.2006.050276] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND The role of periodontal disease as an independent risk factor for cardiovascular disease (CVD) has been under debate because of the inconsistency of findings across studies. One of the major issues is the method used to assess or define periodontal disease. The present study assesses if the observed association between periodontal disease and incident myocardial infarction (MI) depends on the measurements and/or criteria used to define periodontal disease. METHODS A population-based case-control study to evaluate the association between PD and risk of MI was conducted between 1997 and 2001 in Western New York with 537 cases and 800 controls, aged 35 to 69 years. Cases were survivors of incident MI from local hospitals in Erie and Niagara counties. Controls were randomly selected from residents of the same counties. Periodontal disease was assessed using interproximal clinical attachment loss (CAL), probing depth (PD), alveolar crest height (ACH), and number of missing teeth. From these measurements, four different case definitions of periodontal disease were created. RESULTS Using the continuous forms of periodontal measurements, the odds ratios (ORs) (95% confidence interval) of the association with incident MI were 1.46 (1.26 to 1.69), 2.19 (1.66 to 2.89), 1.30 (1.14 to 1.49), and 1.04 (1.02 to 1.07) for mean CAL, PD, ACH, and number of missing teeth, respectively. Regardless of the case definition of periodontal disease, the estimates of the association with incident MI were statistically significant. CONCLUSIONS The observed association between periodontal disease and incident MI was consistent across different measurements and/or case definitions of periodontal disease used. The magnitude of the association varies depending on the measurements or the criteria used to define periodontal disease.
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Affiliation(s)
- Oelisoa M Andriankaja
- School of Public Health and Health Professions, University at Buffalo, NY 14214, USA.
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Pussinen PJ, Alfthan G, Jousilahti P, Paju S, Tuomilehto J. Systemic exposure to Porphyromonas gingivalis predicts incident stroke. Atherosclerosis 2006; 193:222-8. [PMID: 16872615 DOI: 10.1016/j.atherosclerosis.2006.06.027] [Citation(s) in RCA: 96] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2006] [Revised: 06/08/2006] [Accepted: 06/14/2006] [Indexed: 11/18/2022]
Abstract
Periodontitis has been associated with an increased risk for atherosclerosis. Prospective data concerning its association with risk of stroke, especially those measuring systemic exposure to periodontal pathogens, are scarce. We analyzed if serum antibody levels to two major periodontopathogens predict stroke. The cases and the controls were nested in a random population-based sample of 8911 subjects aged 30-59 years at baseline, who participated in a cardiovascular disease (CVD) risk factor survey in Eastern Finland in 1977 and were followed for 15 years. CVD-free controls (n=516) were matched for sex and 5-year age group with stroke cases (n=470). In subjects free from CVD at baseline (n=893), systemic exposure to Porphyromonas gingivalis increased the risk of stroke: compared to seronegative subjects, men IgA-seropositive and women IgG-seropositive for P. gingivalis had a multivariate odds ratio (OR) (95% CI) of 1.63 (1.06-2.50) and 2.30 (1.39-3.78) for stroke, respectively. Higher OR was observed in males, who had never smoked: compared to seronegative men, P. gingivalis IgA-seropositive men had a multivariate OR of 3.31 (1.31-8.40, p=0.012) for stroke. No association between antibody levels to Actinobacillus actinomycetemcomitans and stroke was found. The results suggest that the systemic exposure to P. gingivalis may predispose to incident stroke.
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Affiliation(s)
- Pirkko J Pussinen
- Institute of Dentistry, University of Helsinki, PO Box 63, FI-00014 Helsinki, Finland.
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132
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Miyaki K, Masaki K, Naito M, Naito T, Hoshi K, Hara A, Tohyama S, Nakayama T. Periodontal disease and atherosclerosis from the viewpoint of the relationship between community periodontal index of treatment needs and brachial-ankle pulse wave velocity. BMC Public Health 2006; 6:131. [PMID: 16696868 PMCID: PMC1524747 DOI: 10.1186/1471-2458-6-131] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2005] [Accepted: 05/14/2006] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND It has been suggested that periodontal disease may be an independent risk factor for the development of atherosclerosis. However, the relationship between periodontal disease and atherosclerosis has not been fully elucidated. This study aimed to assess the effects of periodontal disease on atherosclerosis. METHODS The study design was a cross-sectional study. Subjects were 291 healthy male workers in Japan. We used the Community Periodontal Index of Treatment Needs (CPITN) score, average probing depth and gingival bleeding index (rate of bleeding gums) to assess the severity of periodontal disease. We also used the Brachial-Ankle Pulse Wave Velocity (baPWV) as the index for the development of atherosclerosis. RESULTS The unadjusted odds ratio (OR) of atherosclerosis in relation to the CPITN score was 1.41 [95% CI: 1.16-1.73]. However, after adjustment for age, systolic blood pressure and smoking, the CPITN score had no relationship with atherosclerosis (adjusted OR: 0.91 [0.68-1.20]). CONCLUSION Our results show no relationship between mild periodontal disease and atherosclerosis after appropriate adjustments.
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Affiliation(s)
- Koichi Miyaki
- Department of Preventive Medicine and Public Health, School of Medicine, Keio University, Tokyo, Japan
- Department of Molecular Epidemiology, Medical Research Institute, Tokyo Medical & Dental University, Tokyo, Japan
| | - Katsunori Masaki
- Department of Preventive Medicine and Public Health, School of Medicine, Keio University, Tokyo, Japan
| | - Mariko Naito
- Department of Preventive Medicine/Biostatistics and Medical Decision Making, Nagoya University Graduate School of Medicine, Aichi, Japan
| | - Toru Naito
- Section of General Dentistry, Department of General Dentistry, Fukuoka Dental College, Fukuoka, Japan
| | - Keika Hoshi
- Japan Council for Quality Health Care, Tokyo, Japan
| | - Asako Hara
- Department of Preventive Medicine and Public Health, School of Medicine, Keio University, Tokyo, Japan
| | - Shugo Tohyama
- Department of Preventive Medicine and Public Health, School of Medicine, Keio University, Tokyo, Japan
| | - Takeo Nakayama
- Department of Health Informatics, Kyoto University School of Public Health, Kyoto, Japan
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133
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Abstract
Accumulating evidence suggests that chronic infections, such as periodontitis, are associated with increased risk for cardiovascular diseases (CVD). The mechanisms behind the association are not known. Like herpes viruses and Chlamydia pneumoniae, periodontal pathogens cause atherosclerosis in experimental animals and have been found in human atherosclerotic lesions. Higher concentrations of total and low density lipoprotein (LDL) cholesterol and triglycerides and lower concentrations of high density lipoprotein (HDL) cholesterol have been observed in individuals with periodontitis before periodontal treatment. Periodontitis also induces a peripheral inflammatory and immune response, reflected in elevated concentrations of C-reactive protein (CRP) and IgA-class antibodies to periodontal pathogens. The prevalence of CVD seems to be highest in those individuals in whom periodontitis coexists with elevated CRP levels. This may indicate that periodontitis is a CVD risk factor in individuals who react to the infection with a systemic inflammatory and immune response. This may be due to genetic reasons and may also apply to other chronic low-grade infections.
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Affiliation(s)
- Kimmo J Mattila
- Helsinki University Central Hospital, Division of Infectious Diseases, Helsinki, Finland.
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134
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Beck JD, Offenbacher S. Systemic effects of periodontitis: epidemiology of periodontal disease and cardiovascular disease. J Periodontol 2006; 76:2089-100. [PMID: 16277581 DOI: 10.1902/jop.2005.76.11-s.2089] [Citation(s) in RCA: 260] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
There have been 42 published studies describing associations between oral conditions and cardiovascular diseases. In the absence of randomized controlled trials, the 16 longitudinal studies represent the highest level of evidence available. However, two databases produced eight of the 16 studies. There also is extensive variability in definitions of the oral exposure that include salivary flow, reported periodontal disease, number of teeth, oral organisms, antibodies to oral organisms, Total Dental Index, Community Periodontal Index of Treatment Needs, plaque scores, probing depth, attachment loss, and bone level. Variability also exists in the cardiovascular outcomes that include atherosclerosis measures and events, such as hospitalization for coronary heart disease (CHD), chronic CHD, fatal CHD, total stroke, ischemic stroke, and revascularization procedures. One of the criticisms of this research is that the exposure has not been represented by measures of infection. To begin to address this concern, we present new data showing that patterns of high and low levels of eight periodontal pathogens and antibody levels against those organisms are related to clinical periodontal disease as well as other characteristics of the individuals, such as age, race, gender, diabetic status, atherosclerosis, and CHD. As others before us, we conclude that the cumulative evidence presented above supports, but does not prove, a causal association between periodontal infection and atherosclerotic cardiovascular disease or its sequelae. A number of legitimate concerns have arisen about the nature of the relationship and, indeed, the appropriate definitions for periodontal disease when it is thought to be an exposure for systemic diseases. There is still much work needed to identify which aspects of the exposure are related to which aspects of the outcome. Principal component analyses illustrate the complexity of the interactions among risk factors, exposures, and outcomes. These analyses provide an initial clustering that describes and suggests the presence of specific syndromes.
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Affiliation(s)
- James D Beck
- Department of Dental Ecology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
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135
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Elter JR, Hinderliter AL, Offenbacher S, Beck JD, Caughey M, Brodala N, Madianos PN. The effects of periodontal therapy on vascular endothelial function: a pilot trial. Am Heart J 2006; 151:47. [PMID: 16368290 DOI: 10.1016/j.ahj.2005.10.002] [Citation(s) in RCA: 139] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2005] [Accepted: 10/03/2005] [Indexed: 01/22/2023]
Abstract
BACKGROUND Chronic periodontal infection is associated with an increased risk of coronary heart disease. Although the mechanism responsible for the relationship between periodontal disease and cardiovascular events is not fully understood, it is hypothesized that the chronic inflammatory burden of periodontal disease may lead to impaired functioning of the vascular endothelium. METHODS Twenty-two otherwise healthy adults with moderate to severe periodontitis who underwent complete mouth disinfection were evaluated to determine if periodontal therapy would result in improved endothelial function and a decrease in serum inflammatory markers. Subjects had measurements of periodontal disease severity, flow-mediated (endothelium-dependent), and nitroglycerin-mediated (endothelium-independent) dilation of the brachial artery, serum C-reactive protein (CRP) and interleukin 6 (IL-6), and serum total and high-density lipoprotein cholesterol levels on 2 baseline visits separated by 1 month and, again, 1 month after treatment. RESULTS There were no significant changes in clinical periodontal measures, flow-mediated dilation, nitroglycerin-mediated dilation, CRP, IL-6, total cholesterol, or high-density lipoprotein cholesterol between the repeated baseline measurements. Periodontal treatment, however, resulted in significant improvements in periodontal pocketing, flow-mediated dilation, and serum IL-6, as well as a trend toward reduction in serum CRP; there were no significant changes in nitroglycerin-mediated dilation or in cholesterol levels. CONCLUSIONS These results represent proof of concept that improvement in endothelial function, as measured by flow-mediated dilation of the brachial artery, may be possible through near-elimination of chronic oral infection and suggest that the conduct of a larger controlled trial is justified.
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Affiliation(s)
- John R Elter
- SciMetrika, LLC, Research Triangle Park, NC, USA
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136
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Naito M, Sakai E, Shi Y, Ideguchi H, Shoji M, Ohara N, Yamamoto K, Nakayama K. Porphyromonas gingivalis-induced platelet aggregation in plasma depends on Hgp44 adhesin but not Rgp proteinase. Mol Microbiol 2006; 59:152-67. [PMID: 16359325 DOI: 10.1111/j.1365-2958.2005.04942.x] [Citation(s) in RCA: 62] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Evidence from recent epidemiological studies suggests a link between periodontal infections and increased risk of atherosclerosis and related cardiovascular and cerebrovascular events in human subjects. One of the major pathogens of periodontitis, Porphyromonas gingivalis, has the ability to aggregate human platelets in platelet-rich plasma (PRP). Mechanism of P. gingivalis-induced platelet aggregation in PRP was investigated. Proteinase inhibitors toward Arg-gingipain (Rgp) and Lys-gingipain (Kgp) did not suppress P. gingivalis-induced platelet aggregation in PRP, whereas the Rgp inhibitor markedly inhibited P. gingivalis-induced platelet aggregation using washed platelets. Mutant analysis revealed that P. gingivalis-induced platelet aggregation in PRP depended on Rgp-, Kgp- and haemagglutinin A (HagA)-encoding genes that intragenically coded for adhesins such as Hgp44. Hgp44 adhesin on the bacterial cell surface, which was processed by Rgp and Kgp proteinases, was essential for P. gingivalis-induced platelet aggregation in PRP. P. gingivalis cell-reactive IgG in plasma, and FcgammaRIIa receptor and to a lesser extent GPIbalpha receptor on platelets were found to be a prerequisite for P. gingivalis-induced platelet aggregation in PRP. These results reveal a novel mechanism of platelet aggregation by P. gingivalis.
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Affiliation(s)
- Mariko Naito
- Division of Microbiology and Oral Infection, Department of Developmental and Reconstructive Medicine, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
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137
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Okoro CA, Balluz LS, Eke PI, Ajani UA, Strine TW, Town M, Mensah GA, Mokdad AH. Tooth loss and heart disease: findings from the Behavioral Risk Factor Surveillance System. Am J Prev Med 2005; 29:50-6. [PMID: 16389126 DOI: 10.1016/j.amepre.2005.07.006] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2004] [Revised: 05/02/2005] [Accepted: 07/07/2005] [Indexed: 01/25/2023]
Abstract
BACKGROUND The purpose of this study was to examine the association between tooth loss and heart disease. METHODS Data were analyzed from the 1999 to 2002 Behavioral Risk Factor Surveillance System, an ongoing telephone survey operated by state health agencies with assistance from the Centers for Disease Control and Prevention. The study was conducted based on 41,891 adults aged 40 to 79 years old in 22 states and the District of Columbia. RESULTS A significant association was observed between the extent of tooth loss and heart disease prevalence. After adjustment for age, gender, race/ethnicity, education, and marital status, respondents who had 1 to 5 missing teeth, 6 to 31 missing teeth, or were edentulous were significantly more likely than those without tooth loss to have heart disease (adjusted prevalence: 6.8%, 10.2%, and 11.5%, respectively, vs. 5.3%; p<0.001). These associations persisted after further adjustment for smoking status, diabetes, alcohol consumption, hypertension, hypercholesterolemia, and body mass index (5.7%, 7.5%, and 8.5%, respectively, vs. 4.7%; p<0.05); and after stratification by age group (40 to 59 years and 60 to 79 years) and smoking status (ever smoked and never smoked). CONCLUSIONS Tooth loss is associated in a consistent and graded fashion with the self-reported prevalence of heart disease. Health promotion counseling should include the prevention and control of cardiovascular disease risk factors and the maintenance of good oral health.
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Affiliation(s)
- Catherine A Okoro
- National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, USA.
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138
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Völzke H, Schwahn C, Hummel A, Wolff B, Kleine V, Robinson DM, Dahm JB, Felix SB, John U, Kocher T. Tooth loss is independently associated with the risk of acquired aortic valve sclerosis. Am Heart J 2005; 150:1198-203. [PMID: 16338258 DOI: 10.1016/j.ahj.2005.01.004] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2004] [Accepted: 01/05/2005] [Indexed: 11/22/2022]
Abstract
BACKGROUND Several studies have shown that periodontal disease and atherosclerosis are associated. Aortic valve sclerosis (AVS) represents the sum of processes that are similar to the development of atherosclerosis. The present analysis was performed to investigate associations between periodontal disease, tooth loss, and AVS. METHODS The population-based SHIP was conducted in northeast Germany. A study population of 2341 individuals aged > or =45 years was available for the present analysis. Aortic valve sclerosis was determined by echocardiography. Periodontal status was assessed by attachment loss and tooth loss. RESULTS The prevalence of AVS was 29.9%. Logistic regression analyses did not reveal attachment loss as an independent risk factor for AVS. However, a reduced number of teeth was independently associated with AVS. Other risk factors for AVS were age, history of myocardial infarction, body mass index, pulse pressure, plasma fibrinogen and lipoprotein (a) levels, and the use of drugs that act on the renin-angiotensin system. CONCLUSION A reduced number of teeth was independently associated with the risk of AVS. This finding further strengthens the link between oral health and cardiovascular disorders.
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Affiliation(s)
- Henry Völzke
- Institute of Epidemiology and Social Medicine, Ernst Moritz Arndt University, Greifswald, Germany.
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139
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Abstract
The periodontal diseases are highly prevalent and can affect up to 90% of the worldwide population. Gingivitis, the mildest form of periodontal disease, is caused by the bacterial biofilm (dental plaque) that accumulates on teeth adjacent to the gingiva (gums). However, gingivitis does not affect the underlying supporting structures of the teeth and is reversible. Periodontitis results in loss of connective tissue and bone support and is a major cause of tooth loss in adults. In addition to pathogenic microorganisms in the biofilm, genetic and environmental factors, especially tobacco use, contribute to the cause of these diseases. Genetic, dermatological, haematological, granulomatous, immunosuppressive, and neoplastic disorders can also have periodontal manifestations. Common forms of periodontal disease have been associated with adverse pregnancy outcomes, cardiovascular disease, stroke, pulmonary disease, and diabetes, but the causal relations have not been established. Prevention and treatment are aimed at controlling the bacterial biofilm and other risk factors, arresting progressive disease, and restoring lost tooth support.
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Affiliation(s)
- Bruce L Pihlstrom
- Center for Clinical Research, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892-6401, USA.
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140
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Dietrich T, Garcia RI. Associations Between Periodontal Disease and Systemic Disease: Evaluating the Strength of the Evidence. J Periodontol 2005; 76:2175-84. [PMID: 16277591 DOI: 10.1902/jop.2005.76.11-s.2175] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Much work has been published on the association between periodontal disease and systemic disease, including original reports, narrative reviews, systematic reviews, and meta-analyses. Based on the existent work, one can assign an evidence level and grade, using standard evidence-based criteria, to the data available in the four major categories of medical outcomes studied: cardiovascular/cerebrovascular, pregnancy, pulmonary, and diabetes. We discuss methodologic and conceptual problems in the study of oral-systemic associations, focusing as an example on the association between periodontal disease and cardiovascular/cerebrovascular disease. We argue that the hierarchical ranking of studies by levels of evidence may be misleading. In particular, while randomized controlled trials (RCTs) are needed to determine the efficacy of periodontal treatment to reduce the risk of cardiovascular events, they may be of limited value in determining the etiologic role of periodontal disease on coronary heart disease and stroke. We discuss limitations of RCTs as well as the limitations of currently available data from epidemiologic studies, including study design and confounding and misclassification errors. We conclude that well-designed observational studies into the associations between periodontal disease and systemic disease need to remain an integral component of future research efforts in order to fully understand such associations.
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Affiliation(s)
- Thomas Dietrich
- Department of Health Policy and Health Services Research, Boston University Goldman School of Dental Medicine, Boston, MA 02118, USA
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141
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Affiliation(s)
- G Rutger Persson
- Department of Periodontology and Fixed Prosthodontics, School of Dental Medicine, Univerisity of Bern, Bern ,Switzerland and Departments of Periodontology and Oral Medicine, University of Washington, Seattle, Washington, USA
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142
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Kshirsagar AV, Moss KL, Elter JR, Beck JD, Offenbacher S, Falk RJ. Periodontal disease is associated with renal insufficiency in the Atherosclerosis Risk In Communities (ARIC) study. Am J Kidney Dis 2005; 45:650-7. [PMID: 15806467 DOI: 10.1053/j.ajkd.2004.12.009] [Citation(s) in RCA: 136] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Periodontitis, a chronic bacterial infection of the oral cavity, is a novel risk factor for atherosclerotic cardiovascular disease (CVD). Given the numerous shared risk factors for CVD and chronic kidney disease (CKD), we hypothesized that periodontitis also is associated with renal insufficiency in the Dental Atherosclerosis Risk in Communities study. METHODS We conducted a cross-sectional study of 5,537 middle-aged black and white men and women. Periodontitis was determined by using an independent clinically derived definition and categorized as healthy/gingivitis, initial, and severe. Renal insufficiency is defined as glomerular filtration rate (GFR) less than 60 mL/min/1.73 m2 . Multivariable logistic regression models were used to estimate odds ratios and 95% confidence intervals for renal insufficiency using healthy/gingivitis as the referent group. RESULTS A total of 2,276 individuals had initial periodontitis, and 947 individuals had severe periodontal disease. One hundred ten individuals (2%) had a GFR less than 60 mL/min/1.73 m2 . Compared with healthy/gingivitis, initial and severe periodontal disease were associated with a GFR less than 60 mL/min/1.73 m2 (odds ratio, 2.00; 95% confidence interval, 1.23 to 3.24) for initial periodontal disease and an odds ratio of 2.14 for severe disease (95% confidence interval, 1.19 to 3.85) after adjustment for important risk factors for CVD and CKD. Sensitivity analysis showed that initial and severe periodontitis were each associated with an elevated serum creatinine level (men, >1.4 mg/dL [>124 micromol/L]; women, >1.2 mg/dL [>106 micromol/L]; odds ratio, 3.21; 95% confidence interval, 1.32 to 7.76 and odds ratio, 5.39; 95% confidence interval, 2.08 to 13.99, respectively). CONCLUSION This is the first study to show an association of periodontal disease with prevalent renal insufficiency. A prospective study is necessary to determine the exact nature of the observed relationship.
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Affiliation(s)
- Abhijit V Kshirsagar
- Division of Nephrology and Hypertension, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
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143
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Joshipura KJ, Ritchie C. Can the relation between tooth loss and chronic disease be explained by socio-economic status? Eur J Epidemiol 2005; 20:203-4. [PMID: 15921035 DOI: 10.1007/s10654-005-1232-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Kaumudi J Joshipura
- Department of Oral Health Policy and Epidemiology Harvard School of Dental Medicine, Boston, MA 02115, USA.
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144
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Cabrera C, Hakeberg M, Ahlqwist M, Wedel H, Björkelund C, Bengtsson C, Lissner L. Can the relation between tooth loss and chronic disease be explained by socio-economic status? A 24-year follow-up from the population study of women in Gothenburg, Sweden. Eur J Epidemiol 2005; 20:229-36. [PMID: 15921040 DOI: 10.1007/s10654-004-5961-5] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The objective of this study was to evaluate the association between number of missing teeth and all cause, cardiovascular, and cancer mortality as well as morbidity and to explore whether socio-economic factors mediate this association. An ongoing prospective cohort study of 1462 Swedish women included a dental survey in 1968/69 with follow-up until 1992/93. The dental examination included a panoramic radiographic survey and a questionnaire. Number of missing teeth at baseline was analysed in a Cox proportional hazards model to estimate time to mortality and morbidity. Number of missing teeth, independently of socio-economic status variables (the husband's occupational category, combined income, and education) was associated with increased all cause mortality and cardiovascular disease mortality respectively (relative risk (RR): 1.36; 95% confidence interval (95% CI): 1.18-1.58) and (RR: 1.46; 95% CI: 1.15-1.85 per 10 missing teeth), but no associations were found for cancer mortality (RR: 1.18; 95% CI: 0.91-1.52). The relation between poor oral health and future cardiovascular disease could not be explained by measures of socio-economic status in this study.
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Affiliation(s)
- Claudia Cabrera
- Nordic School of Public Health, Jönköping University, Sweden.
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145
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Dietrich T, Stosch U, Dietrich D, Schamberger D, Bernimoulin JP, Joshipura K. The accuracy of individual self-reported items to determine periodontal disease history. Eur J Oral Sci 2005; 113:135-40. [PMID: 15819819 DOI: 10.1111/j.1600-0722.2004.00196.x] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The objective of this study was to evaluate the validity of self-reported periodontal disease and symptoms to predict periodontal disease history in a German population. We analysed data from 246 patients who answered a self-administered questionnaire on self-perceived periodontal disease and self-reported symptoms of periodontal disease. Actual periodontal status was assessed from panoramic radiographs and periodontal disease was defined as > or = 3 teeth with radiographic alveolar bone loss (ABL) > 5 mm (prevalence 39%). Sensitivity (SN) and specificity (SP) of self-reported items for diagnosis of periodontal disease history were calculated. The diagnostic accuracy of any individual item was generally low. For example, self-perceived periodontal disease had SN of 49% and SP of 67%. All self-reported items had low sensitivity, while self-reported professionally diagnosed bone loss, tooth loss caused by periodontal disease and mobility had SP > 90%. In conclusion, we did not identify a single individual question that can assess periodontal disease from self-reporting with satisfactory validity. Future studies will evaluate whether multivariate prediction rules using information from several self-reported variables are a valid means to ascertain periodontal disease history.
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Affiliation(s)
- Thomas Dietrich
- Department of Periodontology and Synoptic Dentistry, Charité, Humboldt University of Berlin, Berlin, Germany.
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146
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Abstract
A number of studies suggest an association between periodontal disease and cardiovascular disease, pulmonary disease, diabetes,and pregnancy complications. Presently, the data must be regarded as preliminary. Additional large-scale longitudinal epidemiologic and interventional studies are necessary to validate these associations and to determine whether the associations are causal. The goal of this article is to review the history of this concept, describe the biologically plausible circumstances that may underlie these potential associations, and provide a summary of the published literature that supports or refutes them.
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Affiliation(s)
- Frank A Scannapieco
- Department of Oral Biology, School of Dental Medicine, University at Buffalo, State University of New York, 109 Foster Hall, Buffalo, NY 14214, USA.
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147
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Beck JD, Eke P, Heiss G, Madianos P, Couper D, Lin D, Moss K, Elter J, Offenbacher S. Periodontal disease and coronary heart disease: a reappraisal of the exposure. Circulation 2005; 112:19-24. [PMID: 15983248 DOI: 10.1161/circulationaha.104.511998] [Citation(s) in RCA: 217] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
BACKGROUND Results from studies relating periodontal disease to cardiovascular disease have been mixed. Residual confounding by smoking and use of clinical measures of periodontal disease rather than measures of infection have been 2 major criticisms. The aims of this study were to investigate relationships between prevalent coronary heart disease (CHD) and 2 exposures, (1) clinical periodontal disease and (2) IgG antibodies to 17 oral organisms, and to evaluate the role of smoking in these relationships. METHODS AND RESULTS Our study is based on a subset of participants in the Atherosclerosis Risk in Communities (ARIC) Study, who received a complete periodontal examination during visit 4 (1996-1998). The exposures were periodontal status and serum IgG antibody levels against 17 periodontal organisms, and the outcome was prevalent CHD at visit 4. Multivariable analyses indicate that periodontal status is not significantly associated with CHD in either ever smokers or never smokers. Similar analyses evaluating antibodies indicate that high antibodies (above the median) to Treponema denticola (odds ratio [OR]=1.7; 95% CI, 1.2 to 2.3), Prevotella intermedia (OR=1.5; 95% CI, 1.1 to 2.0), Capnocytophaga ochracea (OR=1.5; 95% CI, 1.1 to 2.1), and Veillonella parvula (OR=1.7; 95% CI, 1.2 to 2.3) are significantly associated with CHD among ever smokers, whereas Prevotella nigrescens (OR=1.7; 95% CI, 1.1 to 2.6), Actinobacillus actinomycetemcomitans (OR=1.7; 95% CI, 1.2 to 2.7), and Capnocytophaga ochracea (OR=2.0; 95% CI, 1.3 to 3.0) were associated with CHD among never smokers. CONCLUSIONS Clinical signs of periodontal disease were not associated with CHD, whereas systemic antibody response was associated with CHD in ever smokers and never smokers. These findings indicate that the quality and quantity of the host response to oral bacteria may be an exposure more relevant to systemic atherothrombotic coronary events than clinical measures.
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Affiliation(s)
- James D Beck
- Department of Dental Ecology, University of North Carolina, Chapel Hill, NC 27599, USA.
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148
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Holm-Pedersen P, Avlund K, Morse DE, Stoltze K, Katz RV, Viitanen M, Winblad B. Dental Caries, Periodontal Disease, and Cardiac Arrhythmias in Community-Dwelling Older Persons Aged 80 and Older: Is There a Link? J Am Geriatr Soc 2005; 53:430-7. [PMID: 15743285 DOI: 10.1111/j.1532-5415.2005.53160.x] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
OBJECTIVES To examine whether caries or periodontitis is associated with cardiac arrhythmias in community-dwelling people aged 80 and older. SETTING Urban, community-based population in Stockholm, Sweden. DESIGN Cross-sectional. PARTICIPANTS Eligible persons were identified through the Kungsholmen Project, which is an ongoing, longitudinal, population-based study of the oldest old. The present study included 125 dentate individuals. MEASUREMENTS Data from interviews, a medical examination, and an oral examination. The assessment of cardiac arrhythmia was based on a clinical examination by a physician or the Stockholm Inpatient Register. Active root caries, active coronal caries, and periodontitis were assessed using previously defined National Institute of Dental and Craniofacial Research diagnostic criteria. RESULTS The primary finding of the multivariate logistic regression analysis was that persons with three or more active root caries lesions had more than twice the odds of cardiac arrhythmias than persons without active root caries. The results did not notably change after adjusting for age, medications that reduce saliva, and number of teeth. Persons with one to two active coronal caries lesions had 2.8 times higher odds (95% confidence interval=1.1-7.0) of arrhythmia than persons without active coronal caries, but there was no greater risk for persons with three or more coronal caries lesions. There was no association between periodontal disease and arrhythmia. CONCLUSION The findings indicate that there may be a link between active root caries and cardiac arrhythmias in the oldest old. Nevertheless, although a biological pathway is not obvious, it is plausible that both are simply markers of declining general health. The results suggest the need for further study of these relationships.
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Affiliation(s)
- Poul Holm-Pedersen
- Copenhagen Gerontological Oral Health Research Center, University of Copenhagen, School of Dentistry, Copenhagen, Denmark.
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149
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Bader JD. Be wary of experts citing evidence. J ESTHET RESTOR DENT 2005; 16:207-9. [PMID: 15672612 DOI: 10.1111/j.1708-8240.2004.tb00036.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- James D Bader
- Operatvie Dentistry, University of North Carolina School of Dentistry, Chapel Hill, USA
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150
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Abnet CC, Qiao YL, Dawsey SM, Dong ZW, Taylor PR, Mark SD. Tooth loss is associated with increased risk of total death and death from upper gastrointestinal cancer, heart disease, and stroke in a Chinese population-based cohort. Int J Epidemiol 2005; 34:467-74. [PMID: 15659476 DOI: 10.1093/ije/dyh375] [Citation(s) in RCA: 221] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Tooth loss has previously been associated with a higher risk of cancer, heart disease, and stroke, but the role of confounding by smoking remains an issue. METHODS We conducted a cohort study including 29,584 healthy, rural Chinese adults who were participants in a chemoprevention trial from 1986 through 1991 and who have been followed-up through 2001. We categorized tooth loss for each subject as less than or equal to or greater than the median number of teeth lost for other subjects of the same age at baseline. Mortality outcomes were categorized as follows: total death (n = 9362), upper gastrointestinal (GI) cancer death (n = 2625), other cancer death (n = 514), heart disease death (n = 1932), and fatal stroke (n = 2866). RESULTS Individuals with greater than the age-specific median number of teeth lost had statistically significant 13% increased risk of total death [95% confidence interval (CI) 9-18%], 35% increased risk of upper GI cancer death (95% CI 14-59%), 28% increased risk of heart disease death (95% CI 17-40%), and 12% increased risk of stroke death (95% CI 2-23%), but no significantly increased risk of death from cancer at other sites. These elevated risks were present in male smokers, male non-smokers, and females, nearly all never-smokers. CONCLUSIONS In this Asian population, tooth loss significantly increased the risk of total death and death from upper GI cancer, heart disease, and stroke. These associations were not limited to tobacco smokers.
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Affiliation(s)
- Christian C Abnet
- Cancer Prevention Studies Branch, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892, USA.
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