Marco Orlandi1, Jeanie Suvan2, Aviva Petrie3, Nikolaos Donos2, Stefano Masi4, Aroon Hingorani5, John Deanfield4, Francesco D'Aiuto2. 1. Unit of Periodontology, UCL Eastman Dental Institute, 256 Gray's Inn Road, London WC1X 8LD, United Kingdom. Electronic address: m.orlandi@ucl.ac.uk. 2. Unit of Periodontology, UCL Eastman Dental Institute, 256 Gray's Inn Road, London WC1X 8LD, United Kingdom. 3. Biostatistics Unit, UCL Eastman Dental Institute, 256 Gray's Inn Road, London, United Kingdom. 4. Vascular Physiology Unit, Great Ormond Street Hospital, 34 Great Ormond Street, London, United Kingdom. 5. Faculty of Population Health Sciences, Institute of Cardiovascular Science, UCL, 1-19 Torrington Place, London, United Kingdom.
Abstract
OBJECTIVE: This meta-analysis sought to investigate the association between carotid intima-media thickness (c-IMT), flow-mediated dilation (FMD) and periodontitis (PD) and to assess the effect of periodontal treatment on c-IMT and FMD. METHODS: Electronic database searching, hand searching of bibliographic references of included papers, related reviews, and journals in relation to oral, cardiovascular and ultrasound imaging field was carried out. Random effects meta-analyses were performed to investigate the association of co-existence of increased c-IMT, impaired FMD and PD with potential changes in these variables following periodontal intervention. RESULTS: 2009 citations and 101 full text articles were screened, with 35 meeting the review inclusion criteria of which 22 suitable for quantitative analysis. Meta-analysis demonstrated that the diagnosis of PD was associated with a mean increase in c-IMT of 0.08 mm (95% C.I. = 0.07-0.09) and a mean difference in FMD of 5.1% compared to controls (95% C.I. = 2.08-8.11%). A meta-analysis of the effects of periodontal treatment on FMD showed a mean improvement of 6.64% between test and control (95% C.I. = 2.83-10.44%). CONCLUSIONS: This review demonstrated an association between increased c-IMT, impaired FMD and PD. Data from intervention studies suggested a beneficial effect of periodontal treatment on FMD indicating an improvement in endothelial function. The findings support investigation of periodontitis treatment on cardiovascular outcomes.
OBJECTIVE: This meta-analysis sought to investigate the association between carotid intima-media thickness (c-IMT), flow-mediated dilation (FMD) and periodontitis (PD) and to assess the effect of periodontal treatment on c-IMT and FMD. METHODS: Electronic database searching, hand searching of bibliographic references of included papers, related reviews, and journals in relation to oral, cardiovascular and ultrasound imaging field was carried out. Random effects meta-analyses were performed to investigate the association of co-existence of increased c-IMT, impaired FMD and PD with potential changes in these variables following periodontal intervention. RESULTS: 2009 citations and 101 full text articles were screened, with 35 meeting the review inclusion criteria of which 22 suitable for quantitative analysis. Meta-analysis demonstrated that the diagnosis of PD was associated with a mean increase in c-IMT of 0.08 mm (95% C.I. = 0.07-0.09) and a mean difference in FMD of 5.1% compared to controls (95% C.I. = 2.08-8.11%). A meta-analysis of the effects of periodontal treatment on FMD showed a mean improvement of 6.64% between test and control (95% C.I. = 2.83-10.44%). CONCLUSIONS: This review demonstrated an association between increased c-IMT, impaired FMD and PD. Data from intervention studies suggested a beneficial effect of periodontal treatment on FMD indicating an improvement in endothelial function. The findings support investigation of periodontitis treatment on cardiovascular outcomes.
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