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He I, Poirier B, Jensen E, Kaur S, Hedges J, Jesudason S, Jamieson L, Sethi S. Demystifying the connection between periodontal disease and chronic kidney disease - An umbrella review. J Periodontal Res 2023; 58:874-892. [PMID: 37477165 DOI: 10.1111/jre.13161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 06/07/2023] [Accepted: 06/30/2023] [Indexed: 07/22/2023]
Abstract
Chronic kidney disease (CKD) and poor oral health are inter-related and their significant impact on each other is well established in the literature. Many systematic reviews and meta-analyses have demonstrated a strong relationship between CKD and periodontitis, where periodontal treatment has shown potential in improving CKD outcomes. However, the quality of the studies and heterogeneity of the results show variation. The aim of this umbrella review was to review the quality of the current systematic reviews on the relationship between CKD and oral health with an emphasis on periodontal disease and to generate clinically relevant guidelines to maintain periodontal health in patients with CKD. This umbrella review was conducted and reported in alignment with the Joanna Briggs Institute and the PRISMA 2020 guidelines. The review protocol was established prior to commencing the review and registered on JBI and PROSPERO (CRD42022335209). Search strings were established for PubMed, Embase, Web of Science, Cochrane Database of Systematic Reviews, and Dentistry & Oral Science Source up to April 2022. All systematic reviews and meta-analyses that considered the relationship between CKD and periodontitis or periodontal treatment were included. Of 371 studies identified through the systematic search, 18 systematic reviews met the inclusion criteria. Ten studies assessed the relationship between oral health status and CKD with a focus on periodontitis and CKD, five reviewed the impact of periodontal treatment on CKD outcomes, two included both relationship and effectiveness of periodontal treatment and one qualitatively reviewed oral health-related quality of life in patients with kidney failure. Findings indicate there is a bidirectional relationship between CKD and periodontal disease. In view of the heterogeneity of the existing literature on CKD and periodontal disease, specific recommendations for the management of periodontitis among patients with CKD are proposed for medical professionals, dental professionals, and aged care workers based on the evidence collated in this review.
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Affiliation(s)
- Isaac He
- Adelaide Dental School, University of Adelaide, Adelaide, South Australia, Australia
| | - Brianna Poirier
- Australian Research Centre for Population Oral Health, Adelaide Dental School, University of Adelaide, Adelaide, South Australia, Australia
| | - Emilija Jensen
- Adelaide Dental School, University of Adelaide, Adelaide, South Australia, Australia
| | - Sushil Kaur
- Adelaide Dental School, University of Adelaide, Adelaide, South Australia, Australia
| | - Joanne Hedges
- Australian Research Centre for Population Oral Health, Adelaide Dental School, University of Adelaide, Adelaide, South Australia, Australia
| | - Shilpanjali Jesudason
- Central and Northern Adelaide Renal and Transplantation Services (CNARTS), Royal Adelaide Hospital, Adelaide, South Australia, Australia
- Faculty of Health Sciences, University of Adelaide, Adelaide, South Australia, Australia
| | - Lisa Jamieson
- Australian Research Centre for Population Oral Health, Adelaide Dental School, University of Adelaide, Adelaide, South Australia, Australia
| | - Sneha Sethi
- Australian Research Centre for Population Oral Health, Adelaide Dental School, University of Adelaide, Adelaide, South Australia, Australia
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Zhao Y, Raymond K, Chondur R, Sharp W, Gadd E, Bailie R, Skinner J, Burgess P. Costs and benefits of community water fluoridation in remote Aboriginal communities of the Northern Territory. Aust J Rural Health 2023; 31:1017-1026. [PMID: 37706591 DOI: 10.1111/ajr.13037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 07/20/2023] [Accepted: 08/22/2023] [Indexed: 09/15/2023] Open
Abstract
OBJECTIVE To undertake an economic evaluation of community water fluoridation (CWF) in remote communities of the Northern Territory (NT). DESIGN Dental caries experiences were compared between CWF and non-CWF communities before and after intervention. Costs and benefits of CWF are ascertained from the health sector perspective using water quality, accounting, oral health, dental care and hospitalisation datasets. SETTING AND PARTICIPANTS Remote Aboriginal population in the NT between 1 January 2008 and 31 December 2020. INTERVENTION CWF. MAIN OUTCOME MEASURES Potential economic benefits were estimated by changes in caries scores valued at the NT average dental service costs. RESULTS Given the total 20-year life span of a fluoridation plant ($1.77 million), the net present benefit of introducing CWF in a typical community of 300-499 population was $3.79 million. For each $1 invested in CWF by government, the estimated long-term economic value of savings to health services ranged from $1.1 (population ≤300) to $16 (population ≥2000) due to reductions in treating dental caries and associated hospitalisations. The payback period ranged from 15 years (population ≤300) to 2.2 years (population ≥2000). CONCLUSIONS The economic benefits of expanding CWF in remote Aboriginal communities of NT outweigh the costs of installation, operation and maintenance of fluoridation plants over the lifespan of CWF infrastructure for population of 300 or more.
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Affiliation(s)
- Yuejen Zhao
- Department of Health, Northern Territory, Casuarina, Northern Territory, Australia
| | - Kate Raymond
- Department of Health, Northern Territory, Casuarina, Northern Territory, Australia
| | - Ramakrishna Chondur
- Department of Health, Northern Territory, Casuarina, Northern Territory, Australia
| | - Wayne Sharp
- Power and Water Corporation, Northern Territory, Darwin, Northern Territory, Australia
| | - Elizabeth Gadd
- Power and Water Corporation, Northern Territory, Darwin, Northern Territory, Australia
| | - Ross Bailie
- The University of Sydney, Sydney, New South Wales, Australia
| | - John Skinner
- Macquarie University, Sydney, New South Wales, Australia
| | - Paul Burgess
- Department of Health, Northern Territory, Casuarina, Northern Territory, Australia
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Roguljić M, Vučković M, Gelemanović A, Kovačević K, Orešković J, Radić M, Božić D, Radić J. Risk factors of severe periodontitis in kidney transplant recipients: A case-control study. J Periodontol 2023. [PMID: 36700464 DOI: 10.1002/jper.22-0351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 09/23/2022] [Accepted: 01/12/2023] [Indexed: 01/27/2023]
Abstract
BACKGROUND Kidney transplant recipients (KTRs) represent a vulnerable group of patients who develop a number of comorbidities. Severe periodontitis (SP) is associated with the most common chronic systemic diseases including kidney diseases. The objective of this study was to explore the risk factors for SP in KTRs. METHODS In this study, KTRs were divided into those with or without periodontitis and in relation to the severity of periodontitis. A comprehensive medical and periodontal examination was performed and evaluated. Multivariate logistic regression was performed to examine possible risk factors for SP among KTRs. RESULTS A total of 100 KTRs were included in the analysis, of which 87% had periodontitis. Significant predictors of periodontitis were older age (OR = 1.07, 95% CI [1.01, 1.13], p = 0.016) and lower skeletal muscle mass (OR = 0.88, 95% CI [0.78, 0.99], p = 0.035). When examining periodontitis severity, predictors of SP (n = 21, 24%) were increased levels of uric acid (OR = 1.01, 95% CI [1.00, 1.02], p = 0.022) and dental plaque (OR = 1.04, 95% CI [1.01, 1.07], p = 0.013). In the subset analysis that included only KTRs with measured advanced glycation end products (AGE) (n = 47), 34% (n = 16) had SP. The predictors of SP were AGE (OR = 3.89, 95% CI [1.28, 11.82], p = 0.017) and dental plaque (OR = 1.07, 95% CI [1.01, 1.13], p = 0.028). CONCLUSIONS KTRs with SP had significantly higher uric acid levels and AGE, which may contribute to the systemic health status of this patient population.
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Affiliation(s)
- Marija Roguljić
- Department of Oral Medicine and Periodontology, School of Medicine, University of Split, Split, Croatia.,Department of Dental Medicine, University Hospital Centre Split, Split, Croatia
| | - Marijana Vučković
- Department of Nephrology and Dialysis, University Hospital Centre Split, Split, Croatia
| | | | | | | | - Mislav Radić
- Department of Clinical Immunology and Rheumatology, University Hospital Centre Split, Split, Croatia.,Department of Internal Medicine, University of Split, School of Medicine, Split, Croatia
| | - Darko Božić
- Department of Periodontology, School of Dental Medicine, University of Zagreb, Zagreb, Croatia
| | - Josipa Radić
- Department of Nephrology and Dialysis, University Hospital Centre Split, Split, Croatia.,Department of Internal Medicine, University of Split, School of Medicine, Split, Croatia
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Baciu SF, Mesaroș AȘ, Kacso IM. Chronic Kidney Disease and Periodontitis Interplay-A Narrative Review. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:1298. [PMID: 36674052 PMCID: PMC9859404 DOI: 10.3390/ijerph20021298] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/05/2023] [Accepted: 01/09/2023] [Indexed: 06/17/2023]
Abstract
Periodontitis (PO), a chronic microbially-induced inflammation of the supporting tissues of the tooth, is linked to various systemic diseases. We analyze its bidirectional relationship to chronic kidney disease (CKD), a major health-care problem with impressive excess mortality. Overwhelming associative relationship between CKD and PO are analyzed. Major pathophysiologic mechanisms that link CKD to PO are then presented: systemic inflammation, endothelial dysfunction, and imbalance of oxidative stress characteristic of CKD have a role in PO development and might influence escape mechanisms of oral microbiota. Subclinical local and systemic inflammation induced by PO might influence in turn CKD outcomes. Homeostatic changes induced by CKD such as mineral bone disorders, acidosis, uremic milieu, or poor salivary flow are also relevant for the occurrence of PO. There is insufficient evidence to recommend a standardized diagnostic and therapeutic approach regarding association of PO to CKD.
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Affiliation(s)
- Sorana Florica Baciu
- Department of Dental Propaedeutics and Esthetics, Faculty of Dentistry, “Iuliu Hațieganu” University of Medicine and Pharmacy, 32 Clinicilor Street, 400006 Cluj-Napoca, Romania
| | - Anca-Ștefania Mesaroș
- Department of Dental Propaedeutics and Esthetics, Faculty of Dentistry, “Iuliu Hațieganu” University of Medicine and Pharmacy, 32 Clinicilor Street, 400006 Cluj-Napoca, Romania
| | - Ina Maria Kacso
- Department of Nephrology, “Iuliu Hațieganu” University of Medicine and Pharmacy, 2 Babes Street, 400012 Cluj-Napoca, Romania
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Munagala KK, Nanda S, Chowdhary Z, Pathivada L, Vivekanandan G, Bodhi S. Severity of Periodontal Disease in Chronic Kidney Disease Patients: A Hospital-Based Study. Cureus 2022; 14:e25646. [PMID: 35795522 PMCID: PMC9251445 DOI: 10.7759/cureus.25646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/01/2022] [Indexed: 11/21/2022] Open
Abstract
Background Periodontal disease is a chronic inflammatory condition of multifactorial origin. The inflammatory mediators released during the progression of disease may affect all the organs of the body. Renal disease is a chronic systemic disease which may influence the progression of periodontal disease. Therefore, this study was conducted to evaluate and compare the prevalence of periodontal disease among individuals with chronic kidney disease undergoing maintenance hemodialysis with healthy individuals. Methodology In this cross-sectional study including 150 participants, 75 patients with different renal diseases undergoing hemodialysis (Group I) and 75 healthy controls (Group II) were included. The general examination of the patients was done. Blood pressure, pulse, and body mass index were recorded, followed by biochemical investigations, in which serum urea, serum creatinine, and random blood sugar were evaluated for each participant. Plaque Index (PI) and Gingival Index (GI) scores were recorded. Probing pocket depth (PPD) and gingival recession GR were measured, and clinical attachment level (CAL) was calculated based on the obtained values. The subjects were then categorized into three groups, namely, no/mild, moderate, and severe periodontitis. Results Out of the total study participants, 68% were men and 32% were women, with a mean age of 47 years. Serum markers were significantly elevated in Group I compared to Group II. Poor oral hygiene and periodontitis were observed to be much higher in dialysis patients compared to the control group. The two groups also significantly differed in PI, GI, PPD, GR, and CAL, all of which were higher in Group I. Conclusions The results suggest that patients with renal disease must be screened for periodontal disease.
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Periodontal Disease and Incident CKD in US Hispanics/Latinos: The Hispanic Community Health Study/Study of Latinos. Kidney Med 2021; 3:528-535.e1. [PMID: 34401720 PMCID: PMC8350839 DOI: 10.1016/j.xkme.2021.02.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Rationale & Objective Recent studies suggest that periodontal disease may be associated with incident chronic kidney disease (CKD). However, studies have focused on older populations, and US Hispanics/Latinos were not well represented. Study Design Observational cohort. Setting & Participants We analyzed data from the Hispanic Community Health Study/Study of Latinos who completed a baseline visit with a periodontal examination and a follow-up visit, and did not have CKD at baseline. Predictors Predictors included ≥30% of sites with clinical attachment loss ≥3 mm, ≥30% of sites with probing depth ≥4 mm, percentage of sites with bleeding on probing, and absence of functional dentition (<21 permanent teeth present). Outcomes Outcomes were incident low estimated glomerular filtration rate (eGFR) (eGFR <60 mL/min/1.73 m2 and decline in eGFR ≥1 mL/min/year); incident albuminuria (urine albumin:creatinine ratio [ACR] ≥30 mg/g); and change in eGFR and ACR. Analytic Approach Poisson and linear regression. Results For the sample (n = 7.732), baseline mean age was 41.5 years, 45.2% were male, 11.7% had ≥30% of sites with clinical attachment loss ≥3 mm, 5.1% had ≥30% of sites with probing depth ≥4 mm, 30.7% had ≥50% of sites with bleeding on probing, and 16.2% had absent functional dentition. During a median follow-up of 5.9 years, 149 patients developed low eGFR and 415 patients developed albuminuria. On multivariable analysis, presence versus absence of ≥30% of sites with probing depth ≥4 mm and absence of functional dentition were each associated with increased risk for incident low eGFR (incident density ratio, 2.31; 95% CI, 1.14-4.65 and 1.65, 95% CI, 1.01-2.70, respectively). None of the other predictors were associated with outcomes. Limitations Only a single kidney function follow-up measure. Conclusions In this cohort of US Hispanics/Latinos, we found that select measures of periodontal disease were associated with incident low eGFR. Future work is needed to assess whether the treatment of periodontal disease may prevent CKD.
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Erdemli Z, Erdemli ME, Gul M, Altinoz E, Gul S, Kocaman G, Kustepe EK, Gozukara Bag H. Ameliorative effects of crocin on the inflammation and oxidative stress-induced kidney damages by experimental periodontitis in rat. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2021; 24:825-832. [PMID: 34630960 PMCID: PMC8487597 DOI: 10.22038/ijbms.2021.55875.12499] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 04/27/2021] [Indexed: 12/12/2022]
Abstract
Objective(s): The present study aimed to investigate the effects of periodontitis on kidneys and the protective role of crocin in periodontitis-induced kidney damage. Materials and Methods: Ethics committee approval was obtained and 30 Wistar rats were randomly divided into 3 groups of 10 rats: Control (C), Periodontitis (P), and Periodontitis + Crocin (P + Cr). After the treatments, rat kidney tissues were incised under anesthesia and blood samples were collected. Biochemical and histopathological analyses were conducted on the samples. Results: Malondialdehyde (MDA), total oxidant status (TOS), and oxidative stress index (OSI) increased in P group rat kidney tissues; urea, creatinine, Tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and interleukin 1β (IL-1β) levels increased in the serum; glutathione (GSH), superoxide dismutase (SOD), catalase (CAT) and total antioxidant status (TAS) levels were reduced in rat kidney tissues, and renal histopathology deteriorated. In the P + Cr group, we observed improvements in biochemical and histopathological parameters when compared with the P group. Conclusion: Periodontitis (P) led to deterioration in oxidative stress parameters and histopathology by increasing the oxidants in kidney tissue. P also led to inflammation in the blood of the rats. Periodontitis + Crocin (P + Cr) administration alleviated the effects of P due to powerful antioxidant anti-inflammatory properties. Cr could be employed as a protective agent in P-induced inflammation and oxidative damage.
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Affiliation(s)
- Zeynep Erdemli
- Inonu University, Faculty of Medicine, Medical Biochemistry Department, Malatya, Turkey
| | - Mehmet Erman Erdemli
- Inonu University, Faculty of Medicine, Medical Biochemistry Department, Malatya, Turkey
| | - Mehmet Gul
- Inonu University, Faculty of Medicine, Histology and Embryology Department, Malatya, Turkey
| | - Eyup Altinoz
- Karabuk University, Faculty of Medicine, Medical Biochemistry Department, Karabuk, Turkey
| | - Semir Gul
- Inonu University, Faculty of Medicine, Histology and Embryology Department, Malatya, Turkey
| | - Gulhan Kocaman
- Karabuk University, Faculty of Dentistry, Periodontology Department, Karabuk, Turkey
| | - Elif Kayhan Kustepe
- Inonu University, Faculty of Medicine, Histology and Embryology Department, Malatya, Turkey
| | - Harika Gozukara Bag
- Inonu University, Faculty of Medicine, Biostatistics Department, Malatya, Turkey
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Bawankar PV, Kolte AP, Kolte RA. Assessment of knowledge, awareness, and attitude among patients with cardiovascular disease about its association with chronic periodontitis. J Indian Soc Periodontol 2021; 25:156-161. [PMID: 33888949 PMCID: PMC8041075 DOI: 10.4103/jisp.jisp_101_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 09/24/2020] [Accepted: 10/04/2020] [Indexed: 11/04/2022] Open
Abstract
Background A strong bilateral relationship between cardiovascular disease (CVD) and chronic periodontitis has been established for decades. However, a knowledge gap regarding this association still persists among patients. The main objective of the present study was to assess the knowledge, awareness, and attitude among patients with CVD about its association with chronic periodontitis (CP). Materials and Methods This observational cross-sectional survey consisted of 500 patients with CVD. Along with information on demographic characteristics, data were collected on knowledge, awareness, and attitude of the interrelationships between periodontal disease and CVD, using a 5-point Likert scale, with 4 and 5 representing "agree" and "strongly agree," respectively. Results A significant number of the study population had no knowledge regarding the bilateral association CVD and CP. Other questions revealed limited awareness and ignorant attitude of the patients. Conclusion Within the limitations of the study, it can be concluded that there is a lack of awareness and an ignorant attitude about the bidirectional relationship between CVD and periodontitis among the CVD patients. Special efforts should be taken by dental as well as medical professionals to increase the awareness in this regard and thereby deliver quality health-care services at earlier stages.
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Affiliation(s)
- Pranjali Vijaykumar Bawankar
- Department of Periodontics and Implantology, VSPM Dental College and Research Centre, Nagpur, Maharashtra, India
| | - Abhay Pandurang Kolte
- Department of Periodontics and Implantology, VSPM Dental College and Research Centre, Nagpur, Maharashtra, India
| | - Rajashri Abhay Kolte
- Department of Periodontics and Implantology, VSPM Dental College and Research Centre, Nagpur, Maharashtra, India
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Lai J, Bai YL, Bai Y, Mei J, Zhang ZW, Tang WJ, Huang J. [A Meta-analysis of the effect of non-surgical periodontal therapy on inflammatory factors in patients with chronic kidney disease and periodontitis]. HUA XI KOU QIANG YI XUE ZA ZHI = HUAXI KOUQIANG YIXUE ZAZHI = WEST CHINA JOURNAL OF STOMATOLOGY 2020; 38:672-680. [PMID: 33377346 PMCID: PMC7738908 DOI: 10.7518/hxkq.2020.06.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 05/23/2020] [Indexed: 11/21/2022]
Abstract
OBJECTIVE A study was conducted to systematically evaluate the clinical efficacy of inflammatory factors in patients with chronic kidney disease and periodontitis after non-surgical periodontal therapy. METHODS We searched the databases of CNKI, Wanfang, CBM, PubMed, Embase, and Cochrane Library from inception to December 2019. Two reviewers independently collected all literature related to inflammatory factors in patients with chronic kidney disease and periodontitis after non-surgical periodontal therapy. These factors include C-reactive protein (CRP), interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α). The literature was screened according to the inclusion and exclusion criteria. The quality of the studies was strictly evaluated, and the data were extracted. The literature of randomized controlled trials in accordance with the standards was Meta-analyzed with Revman 5.3 software. RESULTS Six randomized controlled trials were included. Compared with the control groups, the results of meta-analysis showed that non-surgical periodontal therapy significantly reduced the levels of CRP [MD=-0.58, 95%CI (-1.13, -0.02), P=0.04] and IL-6 [MD=-2.76, 95%CI (-5.15, -0.37), P=0.02] in these patients but not that of TNF-α [MD=-3.87, 95%CI (-8.79, 1.05), P=0.12]. CONCLUSIONS Simultaneous regular renal treatment and non-surgical periodontal therapy can help relieve the periodontal damage on patients with chronic kidney disease and periodontitis. Moreover, it can improve the status of some inflammatory factors. This finding is conducive to the control and treatment of chronic kidney disease and periodontitis and needs to be a focus of research and in clinical operation.
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Affiliation(s)
- Jing Lai
- Dept. of Periodontics, Affiliated Stomatology Hospital, Chongqing Medical University, Chongqing 400015, China;Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing 400015, China
| | - Yuan-Liang Bai
- Dept. of Periodontics, Affiliated Stomatology Hospital, Chongqing Medical University, Chongqing 400015, China;Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing 400015, China
| | - Yin Bai
- Dept. of Periodontics, Affiliated Stomatology Hospital, Chongqing Medical University, Chongqing 400015, China;Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing 400015, China
| | - Jie Mei
- Dept. of Periodontics, Affiliated Stomatology Hospital, Chongqing Medical University, Chongqing 400015, China;Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing 400015, China
| | - Zhi-Wei Zhang
- Dept. of Periodontics, Affiliated Stomatology Hospital, Chongqing Medical University, Chongqing 400015, China;Chongqing Medical University, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 400015, China
| | - Wen-Jing Tang
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing 400015, China;Chongqing Medical University, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 400015, China
| | - Jiao Huang
- Dept. of Periodontics, Affiliated Stomatology Hospital, Chongqing Medical University, Chongqing 400015, China;Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing 400015, China
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Schöffer C, Oliveira LM, Santi SS, Antoniazzi RP, Zanatta FB. C-reactive protein levels are associated with periodontitis and periodontal inflamed surface area in adults with end-stage renal disease. J Periodontol 2020; 92:793-802. [PMID: 33040368 DOI: 10.1002/jper.20-0200] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/31/2020] [Accepted: 09/27/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Several studies have shown the relationship between periodontal disease and chronic kidney disease, but there is little evidence to assess the impact of the amount of inflamed periodontal tissue on the levels of systemic inflammatory markers. So the aim of this study is determine the association between high-sensitivity C-reactive protein (hsCRP) and both periodontitis and periodontal inflamed surface area (PISA) in adults with end-stage renal disease (ESRD). METHODS Cross-sectional study was conducted with 176 adults with ESRD on regular hemodialysis. The participants were submitted to a full-mouth periodontal examination to determine the occurrence of periodontitis and PISA. Regression analysis was performed to test the independent association between periodontal conditions and serum hsCRP levels. RESULTS A total of 98.9% of the participants had periodontitis, with stages III and IV found in 26.1% and 52.9%, respectively. Mean hsCRP and PISA was 6.57 (SD: 6.03) mg/L and 217.15 (SD: 271.50), respectively. In the adjusted analysis, mean serum hsCRP levels were significantly higher in patients with stage III and IV generalized periodontitis compared with no/localized/generalized stages I-II (7.67 mg/L versus 5.72 mg/L, P = 0.028). After adjustments for confounding variables, individuals with PISA >490.56 mm2 (85th percentile) had a 3.26-fold greater chance of having hsCRP above 5 mg/L than their counterparts (OR = 3.26; 95% CI: 1.25 to 8.49). CONCLUSION The inflammatory burden imposed by periodontitis can increase serum hsCRP levels in adults with end-stage renal disease.
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Affiliation(s)
- Caroline Schöffer
- Postgraduate Program in Dentistry, Emphasis on Periodontics, Department of Stomatology, Universidade Federal de Santa Maria (UFSM), Santa Maria, Brazil
| | - Leandro Machado Oliveira
- Postgraduate Program in Dentistry, Emphasis on Periodontics, Department of Stomatology, Universidade Federal de Santa Maria (UFSM), Santa Maria, Brazil
| | - Samantha Simoni Santi
- Postgraduate Program in Dentistry, Emphasis on Periodontics, Department of Stomatology, Universidade Federal de Santa Maria (UFSM), Santa Maria, Brazil
| | - Raquel Pippi Antoniazzi
- Postgraduate Program in Dentistry, Emphasis on Periodontics, Department of Stomatology, Universidade Federal de Santa Maria (UFSM), Santa Maria, Brazil
| | - Fabricio Batistin Zanatta
- Postgraduate Program in Dentistry, Emphasis on Periodontics, Department of Stomatology, Universidade Federal de Santa Maria (UFSM), Santa Maria, Brazil
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Duan X, Chen X, Gupta M, Seriwatanachai D, Xue H, Xiong Q, Xu T, Li D, Mo A, Tang X, Zhou X, Li Y, Yuan Q. Salivary microbiome in patients undergoing hemodialysis and its associations with the duration of the dialysis. BMC Nephrol 2020; 21:414. [PMID: 32993533 PMCID: PMC7523083 DOI: 10.1186/s12882-020-02009-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 08/04/2020] [Indexed: 02/08/2023] Open
Abstract
Background Chronic kidney disease (CKD) patients, especially those with end stage renal disease (ESRD) undergoing hemodialysis (HD), exhibit high prevalence of periodontitis. This cross-sectional study aimed to investigate the periodontal status of HD patients and its relationship with salivary microbiome. Methods One hundred eight HD patients and one hundred healthy control individuals were recruited. They were subjected to periodontal examination followed by saliva samples collection for 16S rRNA gene sequencing. Results The HD patients were with worse periodontal health status, and exhibited higher salivary microbial diversity and lower richness. The periodontal pathogens were significantly enriched in the HD patients. The inferred functional analyze showed microbes enriched in the HD patients were mainly related to metabolism. Despite the periodontal status and overall structure of the microbiome were not significantly altered as the HD duration prolonged, the abundance of Lachnospiraceae [G-2] sp. |HMT_096| is positively correlated with the duration of HD and the community periodontal index (CPI). Five OTUs (operational taxonomic units) belonging to the phyla Firmicutes were enriched as the duration prolonged, and four OTUs originated from the phyla Proteobacteria were negatively related with the CPI index. ESRD patients undergoing HD exhibited microbiota structural, compositional and functional differences compared with the healthy controls. And the species changed as the duration of hemodialysis prolonged. Conclusions End stage renal disease changes salivary microbiome and is a risk factor for oral dysbiosis.
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Affiliation(s)
- Xiaobo Duan
- State Key Laboratory of Oral Diseases & National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, China
| | - Xiaolei Chen
- Department of Nephrology, West China Hospital, Sichuan University, Chengdu, China
| | - Megha Gupta
- Department of Preventive Dental Sciences, Division of Pedodontics, College of Dentistry, Al-Showajra Academic Campus, Jazan University, Jazan, Kingdom of Saudi Arabia
| | | | - Hanxiao Xue
- State Key Laboratory of Oral Diseases & National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, China
| | - Qiuchan Xiong
- State Key Laboratory of Oral Diseases & National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, China
| | - Tong Xu
- State Key Laboratory of Oral Diseases & National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, China
| | - Dan Li
- State Key Laboratory of Oral Diseases & National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, China
| | - Anchun Mo
- Department of Oral Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xi Tang
- Department of Nephrology, West China Hospital, Sichuan University, Chengdu, China
| | - Xuedong Zhou
- State Key Laboratory of Oral Diseases & National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, China
| | - Yuqing Li
- State Key Laboratory of Oral Diseases & National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, China.
| | - Quan Yuan
- State Key Laboratory of Oral Diseases & National Clinical Research Centre for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Renmin South Road, Chengdu, 610041, Sichuan, China. .,Department of Preventive Dental Sciences, Division of Pedodontics, College of Dentistry, Al-Showajra Academic Campus, Jazan University, Jazan, Kingdom of Saudi Arabia.
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12
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Bigotte Vieira M, Magriço R, Viegas Dias C, Leitão L, Neves JS. Caffeine consumption and mortality in chronic kidney disease: a nationally representative analysis. Nephrol Dial Transplant 2020; 34:974-980. [PMID: 30215779 DOI: 10.1093/ndt/gfy234] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND An inverse relationship between coffee consumption and mortality has been reported in the general population. However, the association between caffeine consumption and mortality in patients with chronic kidney disease (CKD) remains uncertain. METHODS We analysed 4863 non-institutionalized USA adults with CKD [defined by an estimated glomerular filtration rate (eGFR) of 15-60 mL/min/1.73 m2 and/or a urinary albumin:creatinine ratio >30 mg/g] in a nationwide study using the National Health and Nutrition Examination Survey (NHANES) 1999-2010. Caffeine consumption was evaluated by 24-h dietary recalls at baseline and all-cause, cardiovascular and cancer mortality were evaluated until 31 December 2011. We also performed an analysis of caffeine consumption according to its source (coffee, tea and soft drinks). Quartiles of caffeine consumption were <28.2 mg/day (Q1), 28.2-103.0 (Q2), 103.01-213.5 (Q3) and >213.5 (Q4). RESULTS During a median follow-up of 60 months, 1283 participants died. Comparing with Q1 of caffeine consumption, the adjusted hazard ratio for all-cause mortality was 0.74 [95% confidence interval (CI) 0.60-0.91] for Q2, 0.74 (95% CI 0.62-0.89) for Q3 and 0.78 (95% CI 0.62-0.98) for Q4 (P = 0.02 for trend across quartiles). There were no significant interactions between caffeine consumption quartiles and CKD stages or urinary albumin:creatinine ratio categories regarding all-cause mortality. CONCLUSIONS We detected an inverse association between caffeine consumption and all-cause mortality among participants with CKD.
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Affiliation(s)
- Miguel Bigotte Vieira
- Nephrology and Renal Transplantation Department, Centro Hospitalar Lisboa Norte, Lisbon, Portugal
| | - Rita Magriço
- Nephrology Department, Hospital Garcia de Orta, Almada, Portugal
| | | | - Lia Leitão
- Neurology Department, Hospital Prof. Doutor Fernando Fonseca, Amadora, Portugal
| | - João Sérgio Neves
- Department of Endocrinology, Diabetes and Metabolism, Centro Hospitalar de São João, Porto, Portugal.,Department of Surgery and Physiology, Cardiovascular Research Center, Faculty of Medicine, University of Porto, Porto, Portugal
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13
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Stolić R, Mitrović V, Suljković N, Miljković-Jakšić D, Balović A, Krivčević R, Jovanović S. Oral health in patients with chronic kidney disease. PRAXIS MEDICA 2020. [DOI: 10.5937/pramed2002035s] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
Objective: In the available literature data, there is not much information about problems of patients with end stage kidney disease in relation to oral health. Our objective was to show the importance of oral diseases for patients on hemodialysis. Data sources: In this review article, the sources of data are review articles and scientific articles in the English language published in MEDLINE database. The choice of studies was based on keywords: Chronic kidney disease, Hemodialysis, Oral health, Periodontal diseases. Results: It is assumed that almost 90% patients with chronic kidney disease manifest some symptoms of oral disease. Therefore, it is important to determine the impact of periodontal disease on the progression of kidney failure in these individuals, to evaluate inflammatory parameters in this patient population, to assess the degree of bone loss and periodontal disease index, to determine the presence of bacterial strains, paradontopathy of gingival fluid and antibody titers, to examine correlations of proinflammatory cytokines in the gingival sulcus and serum, as well as to determine the relationship between periodontal tissue and inflammatory mediators. Periodontal diseases can increase the possibility of developing chronic kidney disease by 1.5 to 2 times. These oral diseases include gingival hyperplasia, periodontitis, xerostomia, unpleasant breath, changes in the oral mucosa, malignancies, oral infections, dental abnormalities and bone lesions. Conclusion: This requires serious cooperation between nephrologists and dentists to make proper communication possible, in order to provide quality dental care for this growing patient population in accordance with new treatment strategies.
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14
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Schütz JDS, de Azambuja CB, Cunha GR, Cavagni J, Rösing CK, Haas AN, Thomé FS, Fiorini T. Association between severe periodontitis and chronic kidney disease severity in predialytic patients: A cross-sectional study. Oral Dis 2019; 26:447-456. [PMID: 31742816 DOI: 10.1111/odi.13236] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 10/22/2019] [Accepted: 11/10/2019] [Indexed: 12/18/2022]
Abstract
OBJECTIVE The aim of this cross-sectional study was to evaluate the association between periodontitis and different severities of chronic kidney disease (CKD) in predialytic patients. MATERIALS AND METHODS Demographic, socioeconomic, and medical data of 139 patients from the nephrology service of one university hospital in Porto Alegre, Brazil, were obtained through interview and clinical records. Full-mouth six-sites per tooth periodontal examinations were performed. Associations between periodontitis, stages of CKD, and estimated glomerular filtration rate (eGFR) were estimated by multivariable models adjusted for sex, smoking, vitamin D supplementation, physical activity, and renal treatment duration. CKD was classified based on eGFR (<60 ml/min/1.73 m2 ) estimated by the Chronic Kidney Disease Epidemiology Collaboration equation. RESULTS Patients with severe periodontitis, compared to those without severe periodontitis, had 2.8 (95% CI: 1.25-6.62) and 3.4 (95% CI: 1.27-9.09) times higher risk of being in stages 4 and 5 of CKD, respectively. Having ≥ 2 teeth with clinical attachment loss (CAL) ≥6 mm increased 3.9 times the risk of being in stage 5 of CKD. Patients with severe periodontitis and ≥2 teeth with CAL ≥ 6 mm had 4.4 ml/min/1.732 and 5.2 ml/min/1.732 lower eGFR (p-values < .05), respectively. CONCLUSION Severe periodontitis was associated with poor renal conditions in predialytic CKD patients, strengthening the importance of periodontal evaluation in such patient population.
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Affiliation(s)
- Jasper da Silva Schütz
- Department of Periodontology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Carolina Barrera de Azambuja
- Department of Periodontology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | | | - Juliano Cavagni
- Department of Periodontology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Cassiano Kuchenbecker Rösing
- Department of Periodontology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Alex Nogueira Haas
- Department of Periodontology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | | | - Tiago Fiorini
- Department of Periodontology, School of Dentistry, Federal University of Rio Grande do Sul, Porto Alegre, Brazil
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15
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Rapone B, Converti I, Santacroce L, Cesarano F, Vecchiet F, Cacchio L, Scacco S, Grassi R, Grassi FR, Gnoni A, Ferrara E, Nardi GM. Impact of Periodontal Inflammation on Nutrition and Inflammation Markers in Hemodialysis Patients. Antibiotics (Basel) 2019; 8:antibiotics8040209. [PMID: 31683838 PMCID: PMC6963174 DOI: 10.3390/antibiotics8040209] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 10/27/2019] [Accepted: 10/30/2019] [Indexed: 02/07/2023] Open
Abstract
Background: Malnutrition-inflammation complex syndrome (MICS) is a common and usually concurrent condition occurring in patients undergoing hemodialysis (HD), with a pathogenesis linked to biological and in situ environmental traditional risk factors. Periodontitis, one of the major types of infection-driven inflammation, often co-occurs in the in the hemodialysis population and correlates with markers of malnutrition and inflammation, such as albumin, creatinine, and C-reactive protein. Aim: The present study aimed to determine whether the periodontal inflammatory status parameters correlate with the albumin, creatinine, and C-reactive protein serum concentrations in HD patients, and investigate whether periodontal treatment improves these markers of nutritional and systemic inflammation. Materials and Methods: The serum creatinine, albumin, and C-reactive Protein (CRP) levels were measured at baseline and after non-surgical periodontal treatment, at 3 months and 6 months. Results: At 3 months, a significant correlation between plaque index and C-reactive protein (p = 0.012), bleeding on probing and C-reactive protein (p < 0.0019), and clinical attachment level and C-reactive protein (p = 0.022) was found. No significant correlation was found between clinical periodontal parameters and nutrition markers at each time. Conclusions: Our results confirmed the association between C-reactive protein serum concentration and periodontal inflammatory status, but further research is necessary to identify the contributing role of periodontitis on the onset and progression of MICS.
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Affiliation(s)
- Biagio Rapone
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, “Aldo Moro” University of Bari, 70122 Bari, Italy; (S.S.); (F.R.G.); (A.G.)
- Correspondence: (B.R.); (L.S.); Tel.: +39-3477619817 (B.R.)
| | - Ilaria Converti
- Department of Emergency and Organ Transplantation, Division of Plastic and Reconstructive Surgery, “Aldo Moro” University of Bari, 70122 Bari, Italy;
| | - Luigi Santacroce
- Ionian Department (DJSGEM), “Aldo Moro” University of Bari, 70122 Bari, Italy
- Correspondence: (B.R.); (L.S.); Tel.: +39-3477619817 (B.R.)
| | - Francesca Cesarano
- Department of Dental and Maxillofacial Sciences, “Sapienza” University of Rome, 00100 Rome, Italy; (F.C.); (G.M.N.)
| | - Federico Vecchiet
- Complex Operative Unit of Nephrology and Dialysis, Hospital S.S. Annunziata, 66100 Chieti, Italy; (F.V.); (L.C.); (E.F.)
| | - Luciano Cacchio
- Complex Operative Unit of Nephrology and Dialysis, Hospital S.S. Annunziata, 66100 Chieti, Italy; (F.V.); (L.C.); (E.F.)
| | - Salvatore Scacco
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, “Aldo Moro” University of Bari, 70122 Bari, Italy; (S.S.); (F.R.G.); (A.G.)
| | - Roberta Grassi
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy;
| | - Felice Roberto Grassi
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, “Aldo Moro” University of Bari, 70122 Bari, Italy; (S.S.); (F.R.G.); (A.G.)
| | - Antonio Gnoni
- Department of Basic Medical Sciences, Neurosciences and Sense Organs, “Aldo Moro” University of Bari, 70122 Bari, Italy; (S.S.); (F.R.G.); (A.G.)
| | - Elisabetta Ferrara
- Complex Operative Unit of Nephrology and Dialysis, Hospital S.S. Annunziata, 66100 Chieti, Italy; (F.V.); (L.C.); (E.F.)
| | - Gianna Maria Nardi
- Department of Dental and Maxillofacial Sciences, “Sapienza” University of Rome, 00100 Rome, Italy; (F.C.); (G.M.N.)
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16
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Assessment of the Effect of Oral Health on Quality of Life and Oral-Health Indicators among ESRD Patients in Southwest Florida: A Pilot Study. Int J Dent 2019; 2019:1608329. [PMID: 31662758 PMCID: PMC6778863 DOI: 10.1155/2019/1608329] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 08/07/2019] [Accepted: 08/25/2019] [Indexed: 11/18/2022] Open
Abstract
Purpose To determine and compare OHRQoL (oral-health-related quality of life) using the Geriatric Oral Health Assessment Index (GOHAI-12) and Oral Health Impact Profile (OHIP-14) among patients receiving hemodialysis (HD). Methods Face-to-face interviews and intraoral examinations were conducted among 70 patients. Mann-Whitney U test and Kruskal-Wallis test were used to compare each item score with demographics and dental and overall health status. Results The mean number of years on dialysis was 4.7 ± 7.5 yrs; the mean number of teeth present was 19.7 ± 11.04; median values of OHRQoL using GOHAI-12 and OHIP-14 were 52 and 64. Within GOHAI-12, limiting food (p 0.043), uncomfortable eating in front of people (p 0.045), limiting contact with people (p 0.046), and eating without discomfort (p 0.011) were significantly associated with females. Being worried (p 0.040) and self-conscious (p 0.048) were significant for age groups ≤65 years. Prevented from speaking was associated with >20 teeth (p 0.016). Being worried about oral health was associated with number of years on dialysis (p 0.042). Within OHIP-14, speech was associated with number of teeth present (p 0.024). Total inability to function was significantly associated with race (p 0.018), number of teeth (p 0.028), and edentulousness (p 0.031). Conclusions GOHAI-12 was more effective than OHIP-14 in assessing OHRQoL. However, most subjective experiences did not correlate with clinical findings. Systemic health issue like end-stage renal disease affecting QoL might have taken precedence over dental problems. Clinical assessments should be inherent in oral-health evaluation and there should be cooperation between nephrologists and dentists in promoting oral health and treating systemic conditions among HD patients.
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17
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Gaál Kovalčíková A, Pančíková A, Konečná B, Klamárová T, Novák B, Kovaľová E, Podracká Ľ, Celec P, Tóthová Ľ. Urea and creatinine levels in saliva of patients with and without periodontitis. Eur J Oral Sci 2019; 127:417-424. [PMID: 31247131 DOI: 10.1111/eos.12642] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Despite the fact that saliva contains measurable concentrations of urea and creatinine, it is not widely used in clinical nephrology. One of the reasons is the high inter- and intra-individual variability in the salivary markers of kidney function. We hypothesized that gingival bleeding in patients with periodontitis could contribute to this variability by increasing the concentration of salivary urea or creatinine. Samples were collected from 25 patients with periodontitis and 29 healthy controls. In addition, saliva samples from five healthy volunteers were artificially contaminated with blood. The concentration of urea, but not that of creatinine, was more than twice as high in patients with periodontitis than in controls. Artificial contamination of saliva with blood did not affect the salivary concentration of creatinine. Salivary urea increased only with very high levels of contamination (≥2.5% blood in saliva), but that did not occur in patients. In conclusion, periodontitis increases the concentration of salivary urea, but this is not likely to be a result of contamination with blood. Future studies should investigate the composition of the oral microbiome, specifically regarding how it affects the concentration of salivary urea. Salivary creatinine seems to be a more robust non-invasive marker of renal functions than salivary urea.
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Affiliation(s)
- Alexandra Gaál Kovalčíková
- Department of Paediatrics, National Institute of Children's Diseases and Faculty of Medicine, Comenius University, Bratislava, Slovakia.,Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Bratislava, Slovakia
| | | | - Barbora Konečná
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Bratislava, Slovakia
| | - Tatiana Klamárová
- Department of Dental Hygiene, Faculty of Health Care, Prešov University, Prešov, Slovakia
| | - Bohuslav Novák
- Department of Stomatology and Maxillofacial Surgery, Faculty of Medicine, Comenius University, Bratislava, Slovakia
| | - Eva Kovaľová
- Department of Dental Hygiene, Faculty of Health Care, Prešov University, Prešov, Slovakia
| | - Ľudmila Podracká
- Department of Paediatrics, National Institute of Children's Diseases and Faculty of Medicine, Comenius University, Bratislava, Slovakia
| | - Peter Celec
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Bratislava, Slovakia.,Institute of Pathophysiology, Faculty of Medicine, Comenius University, Bratislava, Slovakia.,Department of Molecular Biology, Faculty of Natural Sciences, Comenius University, Bratislava, Slovakia
| | - Ľubomíra Tóthová
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Bratislava, Slovakia
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18
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Kapellas K, Singh A, Bertotti M, Nascimento GG, Jamieson LM. Periodontal and chronic kidney disease association: A systematic review and meta-analysis. Nephrology (Carlton) 2019; 24:202-212. [PMID: 29359889 DOI: 10.1111/nep.13225] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/17/2018] [Indexed: 12/19/2022]
Abstract
AIM Chronic kidney disease (CKD) and kidney failure is increasing globally and evidence from observational studies suggest periodontal disease may contribute to kidney functional decline. METHODS Electronic searches of the PubMed, EMBASE, Web of Science, Scopus and Cochrane Library databases were conducted for the purposes of conducting a systematic review. Hand searching of reference lists was also performed. Meta-analysis of observational studies involving periodontal disease and chronic kidney disease in adults was performed. RESULTS A total of 17 studies was selected from an initial 4055 abstracts. Pooled estimates indicated the odds of having CKD were 60% higher among patients with periodontitis: pooled OR 1.60 (95% CI 1.44-1.79, I2 35.2%, P = 0.11) compared to those without. Conversely, a similar magnitude but non-significant higher odds of having periodontal disease was found among people with CKD 1.69 (95% CI: 0.84, 3.40, I2 = 89.8%, P < 0.00) versus non-CKD. Meta-regression revealed study quality based on the Newcastle-Ottawa Scale and statistical adjustment for potential confounders explained almost 35% of the heterogeneity in the studies investigating the association between CKD and periodontitis. CONCLUSIONS Moderate evidence for a positive association between periodontitis and CKD exists. Evidence for the opposite direction is extremely weak based on significant heterogeneity between studies.
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Affiliation(s)
- Kostas Kapellas
- Australian Research Centre for Population Oral Health, The University of Adelaide, Adelaide, South Australia, Australia
| | - Ankur Singh
- Australian Research Centre for Population Oral Health, The University of Adelaide, Adelaide, South Australia, Australia.,Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Victoria, Australia
| | - Maitê Bertotti
- School of Dentistry, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Gustavo G Nascimento
- Department of Dentistry and Oral Health, Aarhus Universitet Institut for Odontologi, Aarhus, Denmark
| | - Lisa M Jamieson
- Australian Research Centre for Population Oral Health, The University of Adelaide, Adelaide, South Australia, Australia
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19
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Wangerin C, Pink C, Endlich K, Rettig R, Stracke S, Nauck M, Völzke H, Kocher T, Holtfreter B. Long-term Association of Periodontitis With Decreased Kidney Function. Am J Kidney Dis 2019; 73:513-524. [DOI: 10.1053/j.ajkd.2018.10.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Accepted: 10/21/2018] [Indexed: 12/14/2022]
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20
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Trevejo RT, Lefebvre SL, Yang M, Rhoads C, Goldstein G, Lund EM. Survival analysis to evaluate associations between periodontal disease and the risk of development of chronic azotemic kidney disease in cats evaluated at primary care veterinary hospitals. J Am Vet Med Assoc 2019; 252:710-720. [PMID: 29504859 DOI: 10.2460/javma.252.6.710] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
OBJECTIVE To examine potential associations between periodontal disease (PD) and the risk of development of chronic azotemic kidney disease (CKD) among cats and determine whether the risk of CKD increases with severity of PD. DESIGN Retrospective cohort study. ANIMALS 169, 242 cats. PROCEDURES Cats were evaluated ≥ 3 times at any of 829 hospitals from January 1, 2002, through June 30, 2013. Cats with an initial diagnosis of PD of any stage (n = 56,414) were frequency matched with cats that had no history or evidence of PD (112,828) by age and year of study entry. Data on signalment, PD, and other conditions potentially related to CKD were extracted from electronic medical records. Cox proportional hazards modeling was used to estimate the association of PD with CKD after controlling for covariates. RESULTS PD was associated with increased risk of CKD; risk was highest for cats with stage 3 or 4 PD. Risk of CKD increased with age. Purebred cats had greater risk of CKD than mixed-breed cats. General anesthesia within the year before study exit and diagnosis of cystitis at any point prior to study exit (including prior to study entry) were each associated with increased CKD risk. Diagnosis of diabetes mellitus or hepatic lipidosis at any point prior to study exit was associated with decreased CKD risk. CONCLUSIONS AND CLINICAL RELEVANCE The findings supported the benefit of maintaining good oral health and can be useful to veterinarians for educating owners on the importance of preventing PD in cats.
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21
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Chopra A, Sivaraman K. An update on possible pathogenic mechanisms of periodontal pathogens on renal dysfunction. Crit Rev Microbiol 2019; 45:514-538. [PMID: 30729832 DOI: 10.1080/1040841x.2018.1553847] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Periodontitis is a potential source of permanent systemic inflammation that initiates renal dysfunction and contributes to the development of chronic kidney diseases (CKDs). Although numerous studies have confirmed the bidirectional role of periodontal infection and renal inflammation, no literature has yet highlighted the sophisticated pathogenic mechanisms by which periodontal pathogens, particularly Porphynomonas Gingivalis, induce renal dysfunction and contributed in the development of CKDs. The present review aims to critically analyze and highlight the novel pathogenesis of periodontitis induced CKDs.
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Affiliation(s)
- Aditi Chopra
- Department of Periodontology, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Karthik Sivaraman
- Department of Prosthodontics, Manipal College of Dental Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
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22
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Nunes-Dos-Santos DL, Gomes SV, Rodrigues VP, Pereira ALA. Periodontal status and clinical outcomes in kidney transplant recipients: A systematic review. Oral Dis 2019; 26:22-34. [PMID: 30661274 DOI: 10.1111/odi.13040] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 12/24/2018] [Accepted: 01/10/2019] [Indexed: 01/22/2023]
Abstract
OBJECTIVE The aim of this systematic review was to identify clinical outcomes following kidney transplantation associated with periodontal status. MATERIAL AND METHODS A systematic review was conducted and included cross-sectional, case-control, or cohort studies published until August 2018 from PubMed/MEDLINE, Scopus, Science Direct, and CENTRAL. The research was carried out using the following descriptors: "kidney transplantation," "chronic renal failure," "periodontal diseases," "periodontitis," "chronic periodontitis," "gingival hyperplasia," and "gingivitis." The outcomes comprised the clinical transplantation variables. Two independent reviewers extracted the data and assessed the quality of the studies using Newcastle-Ottawa scale. RESULTS The electronic search revealed 1,063 potentially relevant studies. We selected 114 articles for reading the full text. Therefore, six studies met the inclusion criteria: one case-control, three cross-sectional, and two cohort studies. All studies showed low risk of bias. The findings suggest that the periodontal status may be associated with the largest left ventricular mass, greater carotid thickness, graft rejection, lower graft survival, and a higher mortality rate within 60 months among kidney transplant recipients. CONCLUSION The findings of this systematic review indicate that there is an association between periodontal status and worsening of graft function and systemic health among kidney transplant recipients.
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Affiliation(s)
| | - Samira V Gomes
- Dentistry Graduate Program, Federal University of Maranhão, São Luís, Maranhão, Brazil
| | - Vandilson P Rodrigues
- Dentistry Graduate Program, Federal University of Maranhão, São Luís, Maranhão, Brazil.,Department of Morphology, Federal University of Maranhão, São Luís, Maranhão, Brazil
| | - Antonio L A Pereira
- Dentistry Graduate Program, Federal University of Maranhão, São Luís, Maranhão, Brazil.,Department of Dentistry II, Federal University of Maranhão, São Luís, Maranhão, Brazil
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23
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Shin HS. Number of existing permanent teeth is associated with chronic kidney disease in the elderly Korean population. Korean J Intern Med 2018; 33:1150-1159. [PMID: 28407463 PMCID: PMC6234409 DOI: 10.3904/kjim.2016.386] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2016] [Accepted: 02/01/2017] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND/AIMS The aim of this study was to assess the association between the number of existing permanent teeth and chronic kidney disease (CKD) in a representative sample of the elderly Korean population. METHODS A total of 2,519 subjects who participated in the Korean National Health and Nutrition Examination Survey were cross-sectionally examined. The number of existing permanent teeth was evaluated by clinical oral examination. CKD was defined based on definition and classification by Kidney Disease: Improving Global Outcomes (KDIGO) 2012 guidelines. Multivariable logistic regression analyses were performed controlling for age, gender, income, education, tooth-brushing frequency, periodontitis, state of dentition, smoking, alcohol consumption, hypertension, obesity, diabetes mellitus, and hypercholesterolemia. Subgroup analyses by age and gender were also performed. RESULTS The number of teeth was significantly associated with CKD after controlling for all potential confounders (adjusted odds ratio [AOR], 1.67; 95% confidence interval [CI], 1.04 to 2.70 for lower number of teeth; AOR, 1.59; 95% CI, 1.14 to 2.23 for moderate number of teeth). In the subgroup analyses, the association was highlighted in females aged 75 years over (AOR, 2.55; 95% CI, 1.05 to 6.20 for lower number of teeth; AOR, 1.95; 95% CI, 1.01 to 3.80 for moderate number of teeth). CONCLUSION Our findings suggest that the number of existing permanent teeth may be associated with CKD among Korean elderly.
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Affiliation(s)
- Hye-Sun Shin
- Correspondence to Hye-Sun Shin, Ph.D. Department of Dental Hygiene, Eulji University College of Health Science, 553 Sanseong-daero, Sujeong-gu, Seongnam 13135, Korea Tel: +82-31-740-7247 Fax: +82-31-740-7352 E-mail:
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Zhao D, Khawaja AT, Jin L, Li KY, Tonetti M, Pelekos G. The directional and non-directional associations of periodontitis with chronic kidney disease: A systematic review and meta-analysis of observational studies. J Periodontal Res 2018; 53:682-704. [PMID: 29777531 DOI: 10.1111/jre.12565] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/28/2018] [Indexed: 12/11/2022]
Abstract
This systematic review aimed to assess the current evidence on the directional and non-directional associations of periodontitis with chronic kidney disease (CKD). Electronic search for observational studies on the association of periodontitis with CKD was performed in MEDLINE, EMBASE, PubMed, Open GREY and Cochrane library up to June 5, 2017. Two reviewers conducted study selection, data collection and assessment of methodological quality using the original and modified Newcastle-Ottawa Scale. Cohort, case-control and cross-sectional studies were included, which clearly defined periodontitis and CKD or reported acceptable clinical parameters of these 2 diseases in adults. Meta-analysis was employed to estimate the pooled odds ratio on the non-directional association and the incidence rate ratio (IRR) for the directional association. Among 2530 potential eligible articles, 47 were finally included. Most of them investigated a non-directional association of periodontitis with CKD, including 7 case-control studies and 38 cross-sectional studies; 24 studies had statistical analysis on the non-directional association and 75% of them reported significant results, which were supported further by the meta-analysis (random: odds ratio = 2.12, P < .001; χ2 = 25.74, I2 = 88.3%). None of the studies focused on the directional association of CKD (as the exposure) with periodontitis (as the outcome), whereas 2 retrospective cohort studies explored a directional association of periodontitis (as the exposure) with CKD (as the outcome) (random: IRR=2.10, P > .05; fixed: IRR=1.76, P < .05; χ2 = 4.65, I2 = 78.3%). Overall, the high heterogeneity of studies limits the significance of these results. There is substantial evidence on the non-directional association of periodontitis with CKD, while there are limited studies on the directional association. Well-designed prospective studies with longer follow-ups in representative communities are needed to clarify the directional association and enhance the quality of the evidence on this topic.
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Affiliation(s)
- D Zhao
- Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
| | - A T Khawaja
- Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
| | - L Jin
- Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
| | - K-Y Li
- Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
| | - M Tonetti
- Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
| | - G Pelekos
- Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
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Deschamps-Lenhardt S, Martin-Cabezas R, Hannedouche T, Huck O. Association between periodontitis and chronic kidney disease: Systematic review and meta-analysis. Oral Dis 2018; 25:385-402. [DOI: 10.1111/odi.12834] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2017] [Revised: 01/07/2017] [Accepted: 01/22/2018] [Indexed: 12/18/2022]
Affiliation(s)
- S Deschamps-Lenhardt
- Faculté de chirurgie-dentaire; Periodontology; Université de Strasbourg; Strasbourg France
- Pôle de médecine et chirurgie bucco-dentaire; Hôpitaux universitaires de Strasbourg; Strasbourg France
| | - R Martin-Cabezas
- Faculté de chirurgie-dentaire; Periodontology; Université de Strasbourg; Strasbourg France
- Pôle de médecine et chirurgie bucco-dentaire; Hôpitaux universitaires de Strasbourg; Strasbourg France
| | - T Hannedouche
- Faculté de Médecine; Université de Strasbourg et Service de néphrologie; Hôpitaux Universitaires de Strasbourg; Strasbourg France
| | - O Huck
- Faculté de chirurgie-dentaire; Periodontology; Université de Strasbourg; Strasbourg France
- Pôle de médecine et chirurgie bucco-dentaire; Hôpitaux universitaires de Strasbourg; Strasbourg France
- INSERM (French National Institute of Health and Medical Research); Regenerative Nanomedicine; UMR 1260; Fédération de Médecine Translationnelle de Strasbourg (FMTS); Strasbourg France
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Holland R, Gomes JE, Cintra LTA, Queiroz ÍODA, Estrela C. Factors affecting the periapical healing process of endodontically treated teeth. J Appl Oral Sci 2017; 25:465-476. [PMID: 29069143 PMCID: PMC5804382 DOI: 10.1590/1678-7757-2016-0464] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 03/11/2017] [Indexed: 12/20/2022] Open
Abstract
Tissue repair is an essential process that reestablishes tissue integrity and regular function. Nevertheless, different therapeutic factors and clinical conditions may interfere in this process of periapical healing. This review aims to discuss the important therapeutic factors associated with the clinical protocol used during root canal treatment and to highlight the systemic conditions associated with the periapical healing process of endodontically treated teeth. The antibacterial strategies indicated in the conventional treatment of an inflamed and infected pulp and the modulation of the host's immune response may assist in tissue repair, if wound healing has been hindered by infection. Systemic conditions, such as diabetes mellitus and hypertension, can also inhibit wound healing. The success of root canal treatment is affected by the correct choice of clinical protocol. These factors are dependent on the sanitization process (instrumentation, irrigant solution, irrigating strategies, and intracanal dressing), the apical limit of the root canal preparation and obturation, and the quality of the sealer. The challenges affecting the healing process of endodontically treated teeth include control of the inflammation of pulp or infectious processes and simultaneous neutralization of unpredictable provocations to the periapical tissue. Along with these factors, one must understand the local and general clinical conditions (systemic health of the patient) that affect the outcome of root canal treatment prediction.
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Affiliation(s)
- Roberto Holland
- Universidade Estadual Paulista, Faculdade de Odontologia de Araçatuba, Departamento de Odontologia Restauradora, Araçatuba, SP, Brasil
| | - João Eduardo Gomes
- Universidade Estadual Paulista, Faculdade de Odontologia de Araçatuba, Departamento de Odontologia Restauradora, Araçatuba, SP, Brasil
| | - Luciano Tavares Angelo Cintra
- Universidade Estadual Paulista, Faculdade de Odontologia de Araçatuba, Departamento de Odontologia Restauradora, Araçatuba, SP, Brasil
| | - Índia Olinta de Azevedo Queiroz
- Universidade Estadual Paulista, Faculdade de Odontologia de Araçatuba, Departamento de Odontologia Restauradora, Araçatuba, SP, Brasil
| | - Carlos Estrela
- Universidade Federal de Goiás, Faculdade de Odontologia, Departamento de Ciências Estomatológicas, Goiânia, GO, Brasil
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Parente IT, Lima ZR, Teixeira LH, Lisboa MR, de Melo IM, Santos PR, Goes P. Gingivitis, increased probing depth, clinical attachment loss and tooth loss among patients with end-stage chronic kidney disease: a case-control study. J Public Health (Oxf) 2017. [DOI: 10.1007/s10389-017-0833-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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28
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Grubbs V, Garcia F, Jue BL, Vittinghoff E, Ryder M, Lovett D, Carrillo J, Offenbacher S, Ganz P, Bibbins-Domingo K, Powe NR. The Kidney and Periodontal Disease (KAPD) study: A pilot randomized controlled trial testing the effect of non-surgical periodontal therapy on chronic kidney disease. Contemp Clin Trials 2017; 53:143-150. [PMID: 28011387 PMCID: PMC6237429 DOI: 10.1016/j.cct.2016.12.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Revised: 12/12/2016] [Accepted: 12/18/2016] [Indexed: 01/24/2023]
Abstract
INTRODUCTION Chronic kidney disease (CKD) remains a prevalent public health problem that disproportionately affects minorities and the poor, despite intense efforts targeting traditional risk factors. Periodontal diseases are common bacterial plaque-induced inflammatory conditions that can respond to treatment and have been implicated as a CKD risk factor. However there is limited evidence that treatment of periodontal disease slows the progression of CKD. METHODS/DESIGN We describe the protocol of the Kidney and Periodontal Disease (KAPD) study, a 12-month un-blinded, randomized, controlled pilot trial with two intent-to-treat treatment arms: 1. immediate intensive non-surgical periodontal treatment or 2. rescue treatment with delayed intensive treatment. The goals of this pilot study are to test the feasibility of conducting a larger trial in an ethnically and racially diverse, underserved population (mostly poor and/or low literacy) with both CKD and significant periodontal disease to determine the effect of intensive periodontal treatment on renal and inflammatory biomarkers over a 12-month period. RESULTS To date, KAPD has identified 634 potentially eligible patients who were invited to in-person screening. Of the 83 (13.1%) of potentially eligible patients who attended in-person screening, 51 (61.4%) were eligible for participation and 46 enrolled in the study. The mean age of participants is 59.2years (range 34 to 73). Twenty of the participants (43.5%) are Black and 22 (47.8%) are Hispanic. DISCUSSION Results from the KAPD study will provide needed preliminary evidence of the effectiveness of non-surgical periodontal treatment to slow CKD progression and inform the design future clinical research trials.
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Affiliation(s)
- Vanessa Grubbs
- Division of Nephrology, University of California, San Francisco, 1001 Potrero Avenue, Building 100, Room 342, San Francisco, CA 94110, USA.
| | - Faviola Garcia
- Division of Nephrology, University of California, San Francisco, 1001 Potrero Avenue, Building 100, Room 342, San Francisco, CA 94110, USA.
| | - Bonnie L Jue
- Division of Oral Epidemiology & Dental Public Health, Department of Preventive & Restorative Dental Sciences, University of California, San Francisco, 3333 California Street, Ste 495, San Francisco, CA 94118, USA.
| | - Eric Vittinghoff
- Division of Epidemiology & Biostatistics, University of California, San Francisco, 550 16th Street, San Francisco, CA 94158, USA.
| | - Mark Ryder
- Division of Periodontology, Department of Orofacial Sciences, School of Dentistry, University of California, San Francisco, 533 Parnassus Avenue, UC Hall, 94143, San Francisco, CA, USA.
| | - David Lovett
- Division of Nephrology, San Francisco Veterans Affairs Medical Center, 4150 Clement Street, San Francisco, CA 94121, USA.
| | - Jacqueline Carrillo
- Division of General Internal Medicine, University of California, San Francisco, 1001 Potrero Avenue, Building 10, San Francisco, CA 94110, USA.
| | - Steven Offenbacher
- Department of Periodontology, Center for Oral and Systemic Diseases, UNC School of Dentistry, Koury Health Sciences Building, 385 S. Columbia Street, Room 3501F, Chapel Hill, NC 27599, USA.
| | - Peter Ganz
- Division of Cardiology, University of California, San Francisco, 1001 Potrero Avenue, Building 5, San Francisco, CA 94110, USA.
| | - Kirsten Bibbins-Domingo
- Division of General Internal Medicine, University of California, San Francisco, 550 16th Street, San Francisco, CA 94158, USA.
| | - Neil R Powe
- Department of Medicine, University of California, San Francisco, 1001 Potrero Avenue, Building 5, San Francisco, CA 94110, USA.
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Schmalz G, Kauffels A, Kollmar O, Slotta JE, Vasko R, Müller GA, Haak R, Ziebolz D. Oral behavior, dental, periodontal and microbiological findings in patients undergoing hemodialysis and after kidney transplantation. BMC Oral Health 2016; 16:72. [PMID: 27531498 PMCID: PMC4988025 DOI: 10.1186/s12903-016-0274-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Accepted: 06/09/2016] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Aim of this single center cross-sectional study was to investigate oral behavior, dental, periodontal and microbiological findings in patients undergoing hemodialysis (HD) and after kidney transplantation (KT). METHODS Patients undergoing HD for end-stage renal failure and after KT were investigated. Oral health behavior was recorded using a standardized questionnaire, e.g. dental behavior, tooth brushing, oral hygiene aids. Oral investigation included screening of oral mucosa, dental findings (DMF-T) and periodontal situation (Papilla bleeding index [PBI] periodontal probing depth [PPD] and clinical attachment loss [CAL]). Additionally, microbiological analysis of subgingival biofilm samples (PCR) was performed. STATISTICAL ANALYSIS Student's t-test or Mann-Whitney-U-test, Fisher's exact test (α = 5 %). RESULTS A total of 70 patients (HD: n = 35, KT: n = 35) with a mean age of 56.4 ± 11.1 (HD) and 55.8 ± 10.9 (KT) years were included. Lack in use of additional oral hygiene (dental floss, inter-dental brush) was found. KT group presented significantly more gingivial overgrowth (p = 0.01). DMF-T was 19.47 ± 5.84 (HD) and 17.61 ± 5.81 (KT; p = 0.21). Majority of patients had clinically moderate and severe periodontitis; showing a need for periodontal treatment of 57 % (HD) and 71 % (KT; p = 0.30). Significantly higher prevalence of Parvimonas micra and Capnocytophaga species in the HD group were found (p < 0.01). CONCLUSION Periodontal treatment need and lack in oral behavior for both groups indicate the necessity of an improved early treatment and prevention of dental and periodontal disease, e.g. in form of special care programs. Regarding microbiological findings, no major differences between KT and HD patients were found.
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Affiliation(s)
- Gerhard Schmalz
- Department of Cariology, Endodontology and Periodontology, University of Leipzig, Liebigstr. 10-14, D 04103 Leipzig, Germany
| | - Anne Kauffels
- Department of General, Visceral and Pediatric Surgery, University Medical Center, Goettingen, Germany
| | - Otto Kollmar
- Department of General, Visceral and Pediatric Surgery, University Medical Center, Goettingen, Germany
- Present address: Department of General and Visceral Surgery, HELIOS Dr. Horst Schmidt-Kliniken, Wiesbaden, Germany
| | - Jan E. Slotta
- Department of General, Visceral and Pediatric Surgery, University Medical Center, Goettingen, Germany
- Present address: Department of General and Visceral Surgery, St. Ingbert County Hospital, St. Ingbert, Germany
| | - Radovan Vasko
- Department of Nephrology and Rheumatology, University Medical Center, Goettingen, Germany
| | - Gerhard A. Müller
- Department of Nephrology and Rheumatology, University Medical Center, Goettingen, Germany
| | - Rainer Haak
- Department of Cariology, Endodontology and Periodontology, University of Leipzig, Liebigstr. 10-14, D 04103 Leipzig, Germany
| | - Dirk Ziebolz
- Department of Cariology, Endodontology and Periodontology, University of Leipzig, Liebigstr. 10-14, D 04103 Leipzig, Germany
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Ausavarungnirun R, Wisetsin S, Rongkiettechakorn N, Chaichalermsak S, Udompol U, Rattanasompattikul M. Association of dental and periodontal disease with chronic kidney disease in patients of a single, tertiary care centre in Thailand. BMJ Open 2016; 6:e011836. [PMID: 27466240 PMCID: PMC4964184 DOI: 10.1136/bmjopen-2016-011836] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Several studies have shown an association between oral diseases and chronic kidney disease (CKD), and regular oral care may be an important strategy for reducing the burden of CKD. The objective of this study was therefore to evaluate the association between dental and periodontal diseases in Thai patients with various stages of CKD. METHODS This was designed as a cross-sectional study and was performed between 2011 and 2012. The inclusion criteria were age >20 years and a diagnosis of CKD for at least 90 days. Data from medical records were collected, clinical oral examination was performed, and data were statistically analysed. RESULTS A total of 129 patients with different stages of CKD were included. Ninety-eight (76%) were men. The age range was 30-86 years. The Decay, Missing and Filling Tooth Index and the number of missing teeth were higher in the group with moderate CKD than in the control group (21 vs 17.5, p=0.045, 13 vs 8 p=0.01, respectively). Serum albumin levels decreased when estimated glomerular filtration rate (eGFR) was in decline (γ=0.33; p=0.002). Severe periodontitis was significantly higher in the 'more severe CKD group' (eGFR <60 mL/min/1.73 m(2)) than in the 'less severe CKD group' (eGFR 60-90 mL/min/1.73 m(2); 24% vs 9%, p=0.03). Severe periodontitis, eGFR <30 mL/min/1.73 m(2) and brushing teeth more than once a day were associated with hypoalbuminaemia (defined as <3.8 g/dL) (OR (95% CI) 5.88 (1.64 to 21.11), 5.80 (1.58 to 21.35) and 0.16 (0.05 to 0.60), respectively). CONCLUSIONS Severe periodontal diseases were more prevalent in patients with more severe CKD than in those with less severe CKD. The novel association of serum albumin levels with periodontal status was demonstrated in progressive stages of CKD. Dental intervention may be beneficial from the early stages of CKD.
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Affiliation(s)
- R Ausavarungnirun
- Medicine Division, Medical Department, Golden Jubilee Medical Center, Mahidol University, Nakhon Pathom, Thailand
| | - S Wisetsin
- Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Mahidol University, Bangkok, Thailand
| | - N Rongkiettechakorn
- Medicine Division, Medical Department, Golden Jubilee Medical Center, Mahidol University, Nakhon Pathom, Thailand
| | - S Chaichalermsak
- Department of Oral Medicine and Periodontics, Faculty of Dentistry, Mahidol University, Bangkok, Thailand
| | - U Udompol
- Medicine Department, Saraburi Hospital, Muang, Saraburi, Thailand
| | - M Rattanasompattikul
- Medicine Division, Medical Department, Golden Jubilee Medical Center, Mahidol University, Nakhon Pathom, Thailand
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Almeida S, Figueredo CM, Lemos C, Bregman R, Fischer RG. Periodontal treatment in patients with chronic kidney disease: a pilot study. J Periodontal Res 2016; 52:262-267. [DOI: 10.1111/jre.12390] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/21/2016] [Indexed: 11/26/2022]
Affiliation(s)
- S. Almeida
- Department of Periodontology; Faculty of Odontology; Rio de Janeiro State University; Rio de Janeiro Brazil
| | - C. M. Figueredo
- Department of Periodontology; Faculty of Odontology; Rio de Janeiro State University; Rio de Janeiro Brazil
| | - C. Lemos
- Nephrology Division; Pedro Ernesto University Hospital; Faculty of Medicine; Rio de Janeiro State University; Rio de Janeiro Brazil
| | - R. Bregman
- Nephrology Division; Pedro Ernesto University Hospital; Faculty of Medicine; Rio de Janeiro State University; Rio de Janeiro Brazil
| | - R. G. Fischer
- Department of Periodontology; Faculty of Odontology; Rio de Janeiro State University; Rio de Janeiro Brazil
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Linden GJ, Lyons A, Scannapieco FA. Periodontal systemic associations: review of the evidence. J Clin Periodontol 2016; 40 Suppl 14:S8-19. [PMID: 23627336 DOI: 10.1111/jcpe.12064] [Citation(s) in RCA: 111] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/14/2012] [Indexed: 12/24/2022]
Abstract
AIM To critically appraise recent research into associations between periodontal disease and systemic diseases and conditions specifically respiratory disease, chronic kidney disease, rheumatoid arthritis, cognitive impairment, obesity, metabolic syndrome and cancer. METHODS A MEDLINE literature search of papers published between 2002 and April 2012 was conducted. Studies that included periodontitis as an exposure were identified. Cross-sectional epidemiological investigations on large samples, prospective studies and systematic reviews formed the basis of the narrative review. A threshold set for the identification of periodontitis was used to identify those studies that contributed to the conclusions of the review. RESULTS Many of the investigations were cross-sectional secondary analyses of existing data sets in particular the NHANES studies. There were a small number of systematic reviews and prospective studies. There was substantial variability in the definitions of exposure to periodontitis. A small number of studies met the threshold set for periodontitis and supported associations; however, in some of the chronic diseases there were no such studies. There was strong evidence from randomized controlled trials that interventions, which improve oral hygiene have positive effects on the prevention of nosocomial pneumonias. CONCLUSIONS There was substantial heterogeneity in the definitions used to identify periodontitis and very few studies met a stringent threshold for periodontitis. Published evidence supports modest associations between periodontitis and some, although not all, of the diseases and conditions reviewed. There is a need to reach a consensus on what constitutes periodontitis for future studies of putative associations with systemic diseases.
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Affiliation(s)
- Gerard J Linden
- Centre for Public Health, School of Medicine Dentistry and Biomedical Sciences, Queen's University Belfast, Belfast, Northern Ireland, UK.
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Linden GJ, Lyons A, Scannapieco FA. Periodontal systemic associations: review of the evidence. J Periodontol 2016; 84:S8-S19. [PMID: 23631586 DOI: 10.1902/jop.2013.1340010] [Citation(s) in RCA: 125] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AIM To critically appraise recent research into associations between periodontal disease and systemic diseases and conditions specifically respiratory disease, chronic kidney disease, rheumatoid arthritis, cognitive impairment, obesity, metabolic syndrome and cancer. METHODS A MEDLINE literature search of papers published between 2002 and April 2012 was conducted. Studies that included periodontitis as an exposure were identified. Cross-sectional epidemiological investigations on large samples, prospective studies and systematic reviews formed the basis of the narrative review. A threshold set for the identification of periodontitis was used to identify those studies that contributed to the conclusions of the review. RESULTS Many of the investigations were cross-sectional secondary analyses of existing data sets in particular the NHANES studies. There were a small number of systematic reviews and prospective studies. There was substantial variability in the definitions of exposure to periodontitis. A small number of studies met the threshold set for periodontitis and supported associations; however, in some of the chronic diseases there were no such studies. There was strong evidence from randomized controlled trials that interventions, which improve oral hygiene have positive effects on the prevention of nosocomial pneumonias. CONCLUSIONS There was substantial heterogeneity in the definitions used to identify periodontitis and very few studies met a stringent threshold for periodontitis. Published evidence supports modest associations between periodontitis and some, although not all, of the diseases and conditions reviewed. There is a need to reach a consensus on what constitutes periodontitis for future studies of putative associations with systemic diseases.
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Affiliation(s)
- Gerard J Linden
- Centre for Public Health, School of Medicine Dentistry and Biomedical Sciences, Queen's University Belfast, Belfast, Northern Ireland, UK.
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Urinary enzymatic markers (N-acetyl-beta-D-glucosaminidase) in assessing the tubulointerstitial compartment in chronic glomerulonephritis related to odontogenic foci. Wien Klin Wochenschr 2015; 128:102-8. [PMID: 26377174 DOI: 10.1007/s00508-015-0841-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2014] [Accepted: 07/29/2015] [Indexed: 12/21/2022]
Abstract
Chronic glomerulonephritis is related to focus infection. Odontogenic foci are frequently involved in glomerulonephritis. The relationship with the odontogenic focus infection can be demonstrated by the occurrence or aggravation of the symptoms of glomerulonephritis: proteinuria, haematuria, high blood pressure and oedema. Glomerular impairment in glomerulonephritis occurs together with inflammatory alterations of the tubulointerstitial compartment that can play an important part in the evolution of the disease. Tubular urinary markers can indicate the activation of this compartment during an infection of a focus, an odontogenic focus in our study.The paper aims at demonstrating the relationship between the odontogenic focus infection and tubulointerstitial lesions, assessed by a tubular urinary marker, N-acetyl beta-D glucosaminidase (NAG).We investigated the urinary N-acetyl beta-D glucosaminidase of 20 patients with chronic glomerulonephritis who presented odontogenic focus infections, comparing them with patients with chronic glomerulonephritis without odontogenic foci and of 20 controls, clinically healthy persons.Chronic glomerulonephritis patients with odontogenic focus infection presented clearly increased values as compared to clinically healthy control persons of urinary N-acetyl beta-D glucosaminidase.These patients underwent surgical intervention on the odontogenic focus under antibacterial prophylactic treatment. In 75% cases, the values of N-acetyl beta-D glucosaminidase diminished, indicating the favourable effect of the treatment of the odontogenic focus on the tubulointerstitial compartment in patients with chronic glomerulonephritis. In 25% cases this therapeutic treatment was associated with an increase of the values of urinary N-acetyl beta-D glucosaminidase, expressing its unfavourable effect on chronic glomerulonephritis.Urinary N-acetyl beta-D glucosaminidase indicated an etiopathogenetic relationship between the odontogenic focus and the tubulointerstitial compartment in chronic glomerulonephritis.
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35
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Grubbs V, Vittinghoff E, Taylor G, Kritz-Silverstein D, Powe N, Bibbins-Domingo K, Ishani A, Cummings SR. The association of periodontal disease with kidney function decline: a longitudinal retrospective analysis of the MrOS dental study. Nephrol Dial Transplant 2015; 31:466-72. [PMID: 26320037 DOI: 10.1093/ndt/gfv312] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Accepted: 07/06/2015] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Identifying modifiable risk factors for chronic kidney disease (CKD) is essential for reducing its burden. Periodontal disease is common, modifiable and has been implicated as a novel potential CKD risk factor, but evidence of its association with kidney function decline over time is limited. METHODS In a longitudinal retrospective cohort of 761 elderly men with preserved kidney function [estimated glomerular filtration rate > 60 mL/min/1.73 m(2) using a calibrated creatinine and cystatin C (eGFRcr-cys) equation] at baseline, we performed multivariable Poisson's regression to examine the association of severe periodontal disease with incident CKD, defined as incident eGFRcr-cys <60 mL/min/1.73 m(2) and rapid (>5% annualized) eGFRcr-cys decline. Severe periodontal disease was defined in two ways: (i) ≥5 mm proximal attachment loss in 30% of teeth examined (European Workshop in Periodontology Group C, European Workshop); and (ii) 2+ interproximal sites with attachment loss ≥6 mm and 1+ interproximal sites with probing depth ≥5 mm (Centers for Disease Control/American Academy of Periodontology, CDC/AAP). RESULTS At baseline, the mean age was 73.4 (SD 4.8) years, the median eGFRcr-cys was 82.4 mL/min/1.73 m(2), and 35.5 and 25.4% of participants had severe periodontal disease by European Workshop and CDC/AAP criteria, respectively. After a mean follow-up of 4.9 years (SD 0.3), 56 (7.4%) participants had incident CKD. Severe periodontal disease was associated with a 2-fold greater rate of incident CKD [incidence rate ratio (IRR) 2.01 (1.21-3.44), P = 0.007] after adjusting for confounders compared with not severe periodontal disease by European Workshop criteria but did not reach statistical significance by CDC/AAP criteria [IRR 1.10 (0.63-1.91), P = 0.9]. CONCLUSIONS Severe periodontal disease may be associated with incident clinically significant kidney function decline among a cohort of elderly men.
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Affiliation(s)
- Vanessa Grubbs
- Division of Nephrology, University of California, San Francisco/San Francisco General Hospital, San Francisco, CA, USA
| | - Eric Vittinghoff
- Department of Epidemiology & Biostatistics, University of California, San Francisco, San Francisco, CA, USA
| | - George Taylor
- Department of Preventive and Restorative Dental Sciences, School of Dentistry, University of California, San Francisco,San Francisco, CA, USA
| | - Donna Kritz-Silverstein
- Department of Family Medicine & Public Health, University of California, San Diego, San Diego, CA, USA
| | - Neil Powe
- Department of Medicine, University of California, San Francisco/San Francisco General Hospital, San Francisco, CA, USA
| | | | - Areef Ishani
- Division of Nephrology, University of Minnesota, Minneapolis, MN, USA
| | - Steven R Cummings
- San Francisco Coordinating Center, California Pacific Medical Center Research Institute, San Francisco, CA, USA
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Kshirsagar AV, Grubbs V. Periodontal Disease and CKD-Associated Morbidity: Is There Now Enough Evidence to Move From Observation to Intervention? Am J Kidney Dis 2015. [DOI: 10.1053/j.ajkd.2015.05.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Ricardo AC, Athavale A, Chen J, Hampole H, Garside D, Marucha P, Lash JP. Periodontal disease, chronic kidney disease and mortality: results from the third National Health and Nutrition Examination Survey. BMC Nephrol 2015; 16:97. [PMID: 26149680 PMCID: PMC4492086 DOI: 10.1186/s12882-015-0101-x] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2015] [Accepted: 06/28/2015] [Indexed: 11/25/2022] Open
Abstract
Background Periodontal disease is associated with increased mortality in the general population, however its prognostic significance in chronic kidney disease (CKD) is not known. We evaluated the joint effect of periodontal disease and CKD on all-cause and cardiovascular mortality. Methods Prospective observational study of 10,755 adult participants in the National Health and Nutrition Examination Survey, 1988–1994 (NHANES III). CKD was defined as estimated glomerular filtration rate < 60 ml/minute/1.73 m2 or albumin-to-creatinine ratio ≥ 30 mg/g. Periodontal disease was defined as moderate (> 4 mm attachment loss in ≥ 2 mesial sites or 5 mm pocket depth in ≥ 2 mesial sites), or severe (> 6 mm attachment loss in ≥ 2 mesial sites and > 5 mm pocket depth in ≥ 1 mesial site). All-cause and cardiovascular mortality were evaluated using Cox proportional hazards models. Results There were 1,813 deaths over a median follow-up of 14 years. In multivariate analyses, as compared to participants with neither periodontal disease nor CKD, those with periodontal disease only or CKD only had increased all-cause mortality (HR 1.39; 95 % CI, 1.06 - 1.81 and 1.55; 1.30 - 1.84, respectively). The presence of both periodontal disease and CKD was associated with HR (95 % CI) 2.07 (1.65 - 2.59) for all-cause mortality, and 2.11 (1.52 - 2.94) for cardiovascular mortality. We found no evidence of multiplicativity or additivity between periodontal disease and CKD. In stratified analyses limited to individuals with CKD, periodontal disease (vs. not) was associated with adjusted HR (95 % CI) 1.35 (1.04 - 1.76) for all-cause, and 1.36 (0.95 - 1.95) for cardiovascular mortality. Conclusions These findings confirm the well-established association between periodontal disease and increased mortality in the general population, and provide new evidence of this association among individuals with CKD.
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Affiliation(s)
- Ana C Ricardo
- Division of Nephrology, Department of Medicine, University of Illinois at Chicago, 820 South Wood Street, 418W CSN, MC 793, 60612, Chicago, IL, USA.
| | - Ambarish Athavale
- Department of Medicine, John H. Stroger Jr. Hospital of Cook County, Chicago, IL, USA.
| | - Jinsong Chen
- Institute of Minority Health Research, University of Illinois at Chicago, Chicago, IL, USA.
| | - Hemanth Hampole
- Division of Nephrology, Department of Medicine, University of Illinois at Chicago, 820 South Wood Street, 418W CSN, MC 793, 60612, Chicago, IL, USA.
| | - Daniel Garside
- Institute of Minority Health Research, University of Illinois at Chicago, Chicago, IL, USA.
| | - Phillip Marucha
- School of Dentistry, Oregon Health and Science University, Portland, OR, USA.
| | - James P Lash
- Division of Nephrology, Department of Medicine, University of Illinois at Chicago, 820 South Wood Street, 418W CSN, MC 793, 60612, Chicago, IL, USA.
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Grubbs V, Vittinghoff E, Beck JD, Kshirsagar AV, Wang W, Griswold ME, Powe NR, Correa A, Young B. Association Between Periodontal Disease and Kidney Function Decline in African Americans: The Jackson Heart Study. J Periodontol 2015; 86:1126-32. [PMID: 26110451 DOI: 10.1902/jop.2015.150195] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Chronic kidney disease (CKD) remains a prevalent public health problem that disproportionately affects African Americans, despite intense efforts targeting traditional risk factors. Periodontal disease, a chronic bacterial infection of the oral cavity, is both common and modifiable and has been implicated as a novel potential CKD risk factor. The authors seek to examine to what extent periodontal disease is associated with kidney function decline. METHODS This retrospective cohort study examines 699 African American participants with preserved kidney function (defined by estimated glomerular filtration rate (eGFR) >60 mL/minute/1.73 m(2) at baseline) who underwent complete dental examinations as part of the Dental-Atherosclerosis Risk in Communities study (1996 to 1998) and subsequently enrolled in the Jackson Heart Study (2000 to 2004). Using multivariable Poisson regression, the authors examined the association of periodontal disease (severe versus non-severe) with incident CKD, defined as incident eGFR <60 mL/minute/1.73 m(2) and rapid (5% annualized) eGFR decline at follow-up among those with preserved eGFR at baseline. RESULTS Mean (± SD) age at baseline was 65.4 (± 5.2) years, and 16.3% (n = 114) had severe periodontal disease. There were 21 cases (3.0%) of incident CKD after a mean follow-up of 4.8 (± 0.6) years. Compared with participants with non-severe periodontal disease, those with severe periodontal disease had a four-fold greater rate of incident CKD (adjusted incidence rate ratio 4.18 [95% confidence interval 1.68 to 10.39], P = 0.002). CONCLUSIONS Severe periodontal disease is prevalent among a population at high risk for CKD and is associated with clinically significant kidney function decline. Further research is needed to determine if periodontal disease treatment alters the trajectory of renal deterioration.
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Affiliation(s)
- Vanessa Grubbs
- Division of Nephrology, University of California-San Francisco, San Francisco, CA.,Division of Nephrology, San Francisco General Hospital, San Francisco, CA
| | - Eric Vittinghoff
- Department of Epidemiology and Biostatistics, University of California-San Francisco
| | - James D Beck
- School of Dentistry, University of North Carolina-Chapel Hill, Chapel Hill, NC
| | - Abhijit V Kshirsagar
- Division of Nephrology and Hypertension, University of North Carolina-Chapel Hill
| | - Wei Wang
- Center of Biostatistics and Bioinformatics, University of Mississippi Medical Center, Jackson, MS
| | - Michael E Griswold
- Center of Biostatistics and Bioinformatics, University of Mississippi Medical Center, Jackson, MS
| | - Neil R Powe
- Department of Medicine, San Francisco General Hospital
| | - Adolfo Correa
- Department of Medicine, University of Mississippi Medical Center
| | - Bessie Young
- Kidney Research Institute, Division of Nephrology, Veterans Affairs Puget Sound, University of Washington, Seattle, WA
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Identification of subgingival periodontal pathogens and association with the severity of periodontitis in patients with chronic kidney diseases: a cross-sectional study. BIOMED RESEARCH INTERNATIONAL 2015; 2015:370314. [PMID: 25922833 PMCID: PMC4398940 DOI: 10.1155/2015/370314] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/08/2015] [Revised: 03/22/2015] [Accepted: 03/24/2015] [Indexed: 11/17/2022]
Abstract
BACKGROUND The aim of our study was to assess the subgingival profile of 9 periodontal pathogens, by means of real-time PCR, in a group of predialysis chronic kidney disease patients with and without periodontal disease and to identify the risk factors associated with periodontal disease in these patients. MATERIAL AND METHODS This is a single centre cross-sectional cohort study performed on 70 CKD patients. Patients received a full-mouth periodontal examination and the following parameters were assessed: periodontal pocket depth (PPD), clinical attachment level, bleeding on probing, and plaque index; subgingival biofilm samples were collected from the deepest periodontal pocket of each quadrant and were pooled in one transporting unit. Clinical data were drawn from the medical file of the patients. RESULTS T. denticola (P = 0.001), T. forsythia (P < 0.001), and P. micros (P = 0.003) are significantly associated with periodontal disease in CKD subjects but in a multivariate model only age and T. forsythia remain independent risk factors for periodontal disease in patients with CKD. CONCLUSIONS In our cohort, age and T. forsythia are independently associated with periodontitis in CKD patients. Within the limits of this study, CKD was not significantly associated with a particular subgingival periodontal pathogens profile in periodontitis patients.
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Tuot DS, Grubbs V. Chronic kidney disease care in the US safety net. Adv Chronic Kidney Dis 2015; 22:66-73. [PMID: 25573515 DOI: 10.1053/j.ackd.2014.05.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2014] [Revised: 05/20/2014] [Accepted: 05/22/2014] [Indexed: 11/11/2022]
Abstract
The US Health Care System provides a patchwork of services, known as the safety net, for the uninsured, underinsured, and indigent populations who would otherwise have little access to health care services. Individuals who rely on safety-net facilities are from racial/ethnic minority groups, have low socioeconomic status, and often have low health literacy and/or limited English proficiency. They shoulder a disproportionate burden of CKD in the United States and experience excess CKD-associated morbidity and mortality. Suboptimal delivery of CKD care may be contributing and is an area of active translational research. Several initiatives that show promise in improving safety-net CKD care delivery include those that enhance diagnostic and management skills of primary care providers, rely on comprehensive care management programs led by nonphysicians, and leverage technology to enhance patient access to virtual nephrology expertise. Uncovering better ways to translate scientific evidence into practice for vulnerable patients with CKD is a formidable challenge that will require national surveillance of CKD quality measures across diverse ambulatory health systems, including safety nets. Only then will the nephrology community be to identify and share best practices to enhance health and mitigate disparities of care among patients with CKD.
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Siribamrungwong M, Chinudomwong P. Periodontitis: Tip of the iceberg in chronic kidney disease. World J Clin Urol 2014; 3:295-303. [DOI: 10.5410/wjcu.v3.i3.295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Revised: 06/02/2014] [Accepted: 07/29/2014] [Indexed: 02/06/2023] Open
Abstract
The prevalence of chronic kidney disease (CKD) is constantly escalating not only in industrialized countries but throughout the world. It is of major significance because of to its high morbidity and mortality. Strategies to tackle this worldwide health problem include identification of its associated risk factors, comorbidities, and complications as well as proper management to handle all the pertinent issues. Periodontal disease, a treatable infectious state of the dental supporting tissues, is common in CKD patients. Its association with CKD is believed to be in a reciprocal or bidirectional fashion and has been massively studied. This paper, therefore, aims to review the recent evidence pertaining to the association between periodontal disease and a variety of renal illnesses. Most of the current evidence was collected from cross-sectional studies and clinical trials. There is substantial evidence indicating that periodontal disease contributes markedly to the chronic systemic inflammatory burden, leading to cardiovascular and cerebrovascular complications, the principal causes of death among chronic renal disease patients. Furthermore, several studies demonstrated that proper periodontal intervention could help improve systemic inflammation and even nutritional status among CKD patients, resulting in a better quality of life. Suggestions have been made that periodontal disease should be diagnosed early, and managed and controlled to, at least, eradicate a source of inflammation in this population. Awareness of such an important issue should be increased in the relevant medical personnel.
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Salimi S, Ng N, Seliger SL, Parsa A. Periodontal Disease, Renal Dysfunction and Heightened Leukocytosis. ACTA ACUST UNITED AC 2014; 128:107-14. [DOI: 10.1159/000366445] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Accepted: 08/04/2014] [Indexed: 11/19/2022]
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Wahid A, Chaudhry S, Ehsan A, Butt S, Ali Khan A. Bidirectional Relationship between Chronic Kidney Disease & Periodontal Disease. Pak J Med Sci 2014; 29:211-5. [PMID: 24353542 PMCID: PMC3809193 DOI: 10.12669/pjms.291.2926] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2012] [Revised: 09/24/2012] [Accepted: 11/20/2012] [Indexed: 02/06/2023] Open
Abstract
Non communicable diseases (NCDs) affect the life of an individual in terms of mortality, morbidity and financial crises. Main NCDs are diabetes mellitus (DM), cardiovascular diseases (CVD), pulmonary diseases, osteoporosis and chronic kidney diseases (CKD). About 40% of the total deaths can be controlled by eliminating the risk factors for NCDs. Periodontitis have recently been labeled as an important potential risk factor for NCDs. CKD affect the oral health status of patients by inducing gingival hyperplasia, xerostomia, calcification of root canals and delayed eruption of teeth. Periodontitis increases systemic inflammatory burden leading to worsening of CKD which in turn has been has been found to negatively affect CKD of patients on hemodialysis therapy by altering their serum albumin and C-reactive protein levels. As hypoalbuminemia leads to increased mortality in CKD patients, it needs to be avoided by reducing systemic inflammatory burden in patients receiving HD therapy. Treating periodontal disease could be one factor that might decrease the systemic inflammatory burden and thereby improve quality of life of these patients. Sources of Data: Data from descriptive, cross sectional and longitudinal studies published between 2000 and 2012 were included. Data searches based on human studies only. Data Extraction: The key words, periodontitis, chronic kidney disease and hemodialysis, on MEDLINE, approximately 120 studies were identified. 35 of them were relevant to all three keywords. Most of them were cross sectional studies and total 7 clinical trials were identified regarding checking of serum levels after periodontal therapy with variable results. Conclusion: Patients with CKD have higher prevalence of periodontal disease while non-surgical periodontal therapy has been indicated to decrease the systemic inflammatory burden in patients with CKD specially those undergoing HD therapy.
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Affiliation(s)
- Arsalan Wahid
- Arsalan Wahid, M. Phil Scholar, Department of Oral Health Sciences, Shaikh Zayed Medical Complex, Lahore, Pakistan
| | - Saima Chaudhry
- Saima Chaudhry, PhD, Lecturer (Oral Pathology),Department of Oral Health Sciences, Shaikh Zayed Medical Complex, Lahore, Pakistan
| | - Afifa Ehsan
- Afifa Ehsan, M. Phil Scholar, Department of Oral Health Sciences, Shaikh Zayed Medical Complex, Lahore, Pakistan
| | - Sidra Butt
- Sidra Butt, M. Phil Scholar, Department of Oral Health Sciences, Shaikh Zayed Medical Complex, Lahore, Pakistan
| | - Ayyaz Ali Khan
- Ayyaz Ali Khan, PhD, Head (Community Dentistry), Department of Oral Health Sciences, Shaikh Zayed Medical Complex, Lahore, Pakistan
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Sharma P, Dietrich T, Sidhu A, Vithlani V, Rahman M, Stringer S, Jesky M, Kaur O, Ferro C, Cockwell P, Chapple ILC. The periodontal health component of the Renal Impairment In Secondary Care (RIISC) cohort study: a description of the rationale, methodology and initial baseline results. J Clin Periodontol 2014; 41:653-61. [PMID: 24738870 DOI: 10.1111/jcpe.12263] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/13/2014] [Indexed: 12/27/2022]
Abstract
INTRODUCTION Chronic kidney disease (CKD) is associated with significant morbidity and mortality. There is a need to identify novel and modifiable risk factors in such patients. The periodontal component of the Renal Impairment In Secondary Care (RIISC) study aims to evaluate the association between chronic periodontitis and CKD progression. METHODS The RIISC study is a prospective, observational cohort study of patients with CKD from a renal clinic at a hospital in the West Midlands region of the UK. Patients undergo a periodontal examination and plaque and saliva sampling. To benchmark the oral health status of the RIISC cohort, we compared it to the Adult Dental Health Survey 2009 (ADHS), a representative survey of the oral health of community dwelling adults in the UK. RESULTS Of the first 500 patients recruited into the RIISC study, 469 patients underwent a dental examination and 80 (17%) were edentulous. Among dentate subjects, patients within RIISC were significantly more likely to have any (OR 4.0 95% CI 2.7-5.9) or severe (OR 3.8 95% CI 2.5-5.6) periodontitis compared to the ADHS sample. CONCLUSION The prevalence and severity of chronic periodontitis in this cohort of CKD patients is markedly higher than a geographically matched control population.
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Affiliation(s)
- Praveen Sharma
- Periodontal Research Group, School of Dentistry, University of Birmingham, Birmingham, UK
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Huang RY, Lin YF, Kao SY, Shieh YS, Chen JS. A retrospective case-control analysis of the outpatient expenditures for western medicine and dental treatment modalities in CKD patients in Taiwan. PLoS One 2014; 9:e88418. [PMID: 24533085 PMCID: PMC3922810 DOI: 10.1371/journal.pone.0088418] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2013] [Accepted: 01/07/2014] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND To determine if expenditures for dentistry (DENT) correlate with severity of chronic kidney disease (CKD). METHODS A total of 10,457 subjects were enrolled from January 2008 to December 2010, divided into three groups: healthy control (HC) group (n = 1,438), high risk (HR) group (n = 3,392), and CKD group (n = 5,627). Five stages were further categorized for the CKD group. OPD utilization and expenditures for western medicine (WM), DENT, and TCM (traditional Chinese medicine) were analyzed retrospectively (2000-2008) using Taiwan's National Health Insurance Research Database. Three major areas were analyzed among groups CKD, HR and HC in this study: 1) demographic data and medical history; 2) utilization (visits/person/year) and expenditures (9-year cumulative expenditure, expenditure/person/year) for OPD services in WM, DENT, and TCM; and 3) utilization and expenditures for dental OPD services, particularly in dental filling, root canal and periodontal therapy. RESULTS OPD utilization and expenditures of WM increased significantly for the CKD group compared with the HR and HC groups, and increased steadily along with the severity of CKD stages. However, overall DENT and TCM utilization and expenditures did not increase for the CKD group. In comparison among different CKD stages, the average expenditures and utilization for DENT including restorative filling and periodontal therapy, but not root canal therapy, showed significant decreases according to severity of CKD stage, indicating less DENT OPD utilization with progression of CKD. CONCLUSIONS Patients with advanced CKD used DENT OPD service less frequently. However, the connection between CKD and DENT service utilization requires further study.
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Affiliation(s)
- Ren-Yeong Huang
- Department of Periodontology, School of Dentistry, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Yuh-Feng Lin
- Division of Nephrology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
- Division of Nephrology, Department of Medicine, Shuang Ho Hospital, New Taipei City, Taiwan
- Graduate Institute of Clinical Medicine, Taipei Medical University, Taipei, Taiwan
| | - Sen-Yeong Kao
- School of Public Health, National Defense Medical Center, Taipei, Taiwan
| | - Yi-Shing Shieh
- Department of Oral Diagnosis, School of Dentistry, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - Jin-Shuen Chen
- Division of Nephrology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
- * E-mail:
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Han SS, Shin N, Lee SM, Lee H, Kim DK, Kim YS. Correlation between periodontitis and chronic kidney disease in Korean adults. Kidney Res Clin Pract 2013; 32:164-70. [PMID: 26877936 PMCID: PMC4714095 DOI: 10.1016/j.krcp.2013.09.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2013] [Revised: 07/31/2013] [Accepted: 09/19/2013] [Indexed: 11/27/2022] Open
Abstract
Background Periodontitis and chronic kidney disease (CKD) are important health issues; however, the association between periodontitis and CKD markers, especially in Korean adults, remains elusive. Methods Data on 15,729 Korean adults were obtained from the Korean National Health and Nutritional Examination Surveys IV and V. The CKD markers included a decreased estimated glomerular filtration rate (eGFR;<60 mL/min/1.73 m2), proteinuria, and hematuria. Odds ratios (ORs) and 95% confidence intervals were measured using stepwise multivariate logistic regression analyses for CKD markers based on the presence of periodontitis. Results Patients with periodontitis had greater unadjusted ORs for CKD markers compared to those without periodontitis, as follows: decreased eGFR, 4.07 (3.11–5.33); proteinuria, 2.12 (1.48–3.05); and hematuria, 1.25 (1.13–1.39, all P<0.001). Periodontitis was a significant predictor of decreased eGFR independent of all covariates [1.39 (1.03–1.89), P=0.034]. However, the effect of periodontitis on decreased eGFR seemed to be affected by hypertension and diabetes mellitus. Periodontitis was not an independent predictor of proteinuria; the significance disappeared after adjusting for hypertension and diabetes mellitus. Periodontitis was significantly correlated with hematuria, leading to similar ORs regardless of the adjustment for covariates [1.29 (1.15–1.46), P<0.001]. Conclusion This study confirms the correlation between periodontitis and CKD markers, including decreased eGFR, proteinuria, and hematuria in Korean adults.
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Affiliation(s)
- Seung Seok Han
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Nara Shin
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Su Mi Lee
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Hajeong Lee
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Dong Ki Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Yon Su Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea; Kidney Research Institute, Seoul National University, Seoul, Korea
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Ariyamuthu VK, Nolph KD, Ringdahl BE. Periodontal disease in chronic kidney disease and end-stage renal disease patients: a review. Cardiorenal Med 2013; 3:71-78. [PMID: 23802000 DOI: 10.1159/000350046] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Periodontal disease is a chronic inflammatory disorder and being so it has been associated with accelerated atherosclerosis and malnutrition. Cardiovascular diseases are the leading cause of mortality in chronic kidney disease (CKD) and end-stage renal disease (ESRD) patients [National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Diseases: Annual Data Report, 2010]. A recent scientific statement released by the American Heart Association [Lockhart et al.: Circulation 2012;125:2520-2544] claims that, even though evidence exists to believe that periodontal interventions result in a reduction in systemic inflammation and endothelial dysfunction, there is little evidence that those interventions prevent atherosclerotic vascular disease or modify the outcomes. In this review, we discuss the periodontal findings and their association with an increased prevalence of inflammatory markers and cardiovascular mortality in ESRD patients and CKD.
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Periodontal disease: a covert source of inflammation in chronic kidney disease patients. Int J Nephrol 2013; 2013:515796. [PMID: 23840952 PMCID: PMC3690231 DOI: 10.1155/2013/515796] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2013] [Accepted: 05/24/2013] [Indexed: 12/14/2022] Open
Abstract
The prevalence of atherosclerotic complications (myocardial infarction, stroke, and sudden death) is increased in end-stage renal disease (ESRD) patients, especially in haemodialysis patients. Increasing evidence suggests that both in general population and in dialysis patients, systemic inflammation plays a dominant role in the pathogenesis of atherosclerotic complications. In general population, also, evidence shows that moderate to severe periodontitis can contribute to inflammatory burden by increasing serum CRP levels and may increase the prevalence of atherosclerotic events. Moreover, the results of some new interventional studies reveal that effective phase I periodontal therapy may decrease serum CRP levels, the most important acute phase protein, monitored as a systemic marker of inflammation and endothelial dysfunction as well, used as an initial predictor of atherosclerotic events. Considering that moderate to severe periodontal diseases have a higher prevalence in CKD and in dialysis population and that periodontal examination is not part of the standard medical assessment, destructive periodontitis might be an ignored source of systemic inflammation in end-stage renal disease patients and may add to the chronic inflammatory status in CKD.
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Wehmeyer MMH, Kshirsagar AV, Barros SP, Beck JD, Moss KL, Preisser JS, Offenbacher S. A randomized controlled trial of intensive periodontal therapy on metabolic and inflammatory markers in patients With ESRD: results of an exploratory study. Am J Kidney Dis 2013; 61:450-8. [PMID: 23261122 PMCID: PMC3578050 DOI: 10.1053/j.ajkd.2012.10.021] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2012] [Accepted: 10/10/2012] [Indexed: 11/11/2022]
Abstract
BACKGROUND Periodontitis is a novel risk factor for inflammation and cardiovascular disease in the dialysis population. Limited information exists about the impact of periodontal therapy in patients receiving dialysis. STUDY DESIGN Randomized controlled trial to assess feasibility and gather preliminary data. SETTING & PARTICIPANTS Dialysis patients with moderate/severe chronic periodontitis. INTERVENTION Intensive treatment, consisting of scaling and root planing, extraction of hopeless teeth, and placement of local-delivery antibiotics, was performed at the baseline visit for treatment-group patients and after study completion for control-group patients. OUTCOMES Outcomes were feasibility (screening, recruitment, enrollment, adverse events, and study withdrawal/completion), clinical periodontal parameters (probing depth, clinical attachment level, bleeding on probing, gingival index, and plaque index), and serum albumin and interleukin 6 levels at 3 and 6 months postintervention. RESULTS 342 dialysis patients were approached for participation: 53 were randomly assigned, with 26 participants assigned to immediate treatment and 27 assigned to a control arm for treatment after 6 months. 51 patients completed baseline appointments; 46 were available for 3-month follow-up, 45 were available for 6-month follow-up examinations, and 43 completed all visits. At 3 months, there was a statistically significant improvement for the treatment group compared to the control group for 3 periodontal parameters: mean probing depth (P = 0.008), extent of probing depth ≥4 mm (P = 0.02), and extent of gingival index ≥1 (P = 0.01). However, by 6 months, the difference between groups was no longer present for any variable except probing depth ≥4 mm (P = 0.04). There was no significant difference between groups for serum albumin or high-sensitivity interleukin 6 level at any time when adjusted for body mass index, diabetic status, and plaque index. LIMITATIONS Small sample size and relatively healthy population, imbalance in diabetes. CONCLUSIONS This small trial demonstrates successful cooperation between dentists and nephrologists and successful recruitment, treatment, and retention of dialysis patients with periodontitis. Larger studies with longer follow-up are needed to determine whether treatment can improve markers of inflammation and morbidity.
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Affiliation(s)
- Meggan M H Wehmeyer
- Department of Periodontics, University of Texas School of Dentistry at Houston, Houston, TX, USA.
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Chambrone L, Foz AM, Guglielmetti MR, Pannuti CM, Artese HPC, Feres M, Romito GA. Periodontitis and chronic kidney disease: a systematic review of the association of diseases and the effect of periodontal treatment on estimated glomerular filtration rate. J Clin Periodontol 2013; 40:443-56. [PMID: 23432795 DOI: 10.1111/jcpe.12067] [Citation(s) in RCA: 106] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/05/2012] [Indexed: 12/20/2022]
Abstract
AIM The aim of this systematic review (SR) was to evaluate the association between periodontitis and chronic kidney disease (CKD) and the effect of periodontal treatment (PT) on the estimated glomerular filtration rate (eGFR). METHODS MEDLINE, EMBASE and Cochrane Central Register of Controlled Trials (CENTRAL) databases were searched up to and including September 30, 2012 to observational (S1) and interventional (S2) studies on the association of periodontitis with CKD. Studies were considered eligible for inclusion if they reported the eGFR. Search was conducted by two independent reviewers. The methodological quality of the observational studies was assessed using the Newcastle-Ottawa Scale (NOS) adapted for this review, and the Cochrane's Collaboration risk of bias assessment tool. A random-effects odds-ratio meta-analysis was conducted to estimate the degree of association between periodontitis and CKD. RESULTS Search strategy identified 2456 potentially eligible articles, of which four cross-sectional, one retrospective, and three interventional studies were included. Four S1, 80.0% reported some degree of association between periodontitis and CKD. Similarly, such an outcome was supported by pooled estimates (OR: 1.65, 95% Confidence Interval: 1.35, 2.01, p < 0.00001, χ(2) = 1.70, I(2 ) = 0%). All interventional studies found positive outcomes related to treatment. CONCLUSION There is quite consistent evidence to support the positive association between periodontitis and CKD, as well as the positive effect of PT on eGFR.
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Affiliation(s)
- Leandro Chambrone
- Department of Periodontology, Dental Research Division, Guarulhos University, Guarulhos, SP, Brazil.
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