Ryan T Demmer

Summary

Affiliation: Columbia University
Country: USA

Publications

  1. pmc Venous congestion and endothelial cell activation in acute decompensated heart failure
    Anjali Ganda
    Division of Nephrology, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA
    Curr Heart Fail Rep 7:66-74. 2010
  2. pmc Periodontal infection, systemic inflammation, and insulin resistance: results from the continuous National Health and Nutrition Examination Survey (NHANES) 1999-2004
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
    Diabetes Care 35:2235-42. 2012
  3. pmc Periodontal disease, tooth loss and incident rheumatoid arthritis: results from the First National Health and Nutrition Examination Survey and its epidemiological follow-up study
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
    J Clin Periodontol 38:998-1006. 2011
  4. ncbi request reprint Refining exposure definitions for studies of periodontal disease and systemic disease associations
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY 10032, USA
    Community Dent Oral Epidemiol 36:493-502. 2008
  5. pmc Periodontal disease and incident type 2 diabetes: results from the First National Health and Nutrition Examination Survey and its epidemiologic follow-up study
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, USA
    Diabetes Care 31:1373-9. 2008
  6. pmc Subgingival bacterial colonization profiles correlate with gingival tissue gene expression
    Panos N Papapanou
    Division of Periodontics, Section of Oral and Diagnostic Sciences, College of Dental Medicine, Columbia University, New York, NY, USA
    BMC Microbiol 9:221. 2009
  7. pmc Changes in clinical and microbiological periodontal profiles relate to progression of carotid intima-media thickness: the Oral Infections and Vascular Disease Epidemiology study
    Moise Desvarieux
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY
    J Am Heart Assoc 2:e000254. 2013
  8. pmc Heterogeneity of systemic inflammatory responses to periodontal therapy
    Jan H Behle
    Division of Periodontics, Section of Oral and Diagnostic Sciences, Columbia University College of Dental Medicine, New York, NY 10032, USA
    J Clin Periodontol 36:287-94. 2009
  9. pmc Gingival tissue transcriptomes in experimental gingivitis
    Daniel Jönsson
    Division of Periodontics, Section of Oral and Diagnostic Sciences, College of Dental Medicine, Columbia University, New York, NY 10032, USA
    J Clin Periodontol 38:599-611. 2011
  10. pmc Transcriptomes in healthy and diseased gingival tissues
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
    J Periodontol 79:2112-24. 2008

Collaborators

Detail Information

Publications38

  1. pmc Venous congestion and endothelial cell activation in acute decompensated heart failure
    Anjali Ganda
    Division of Nephrology, College of Physicians and Surgeons, Columbia University, New York, NY 10032, USA
    Curr Heart Fail Rep 7:66-74. 2010
    ..Targeting vascular and systemic inflammation before symptoms arise may prevent progression to overt clinical decompensation in the ADHF syndrome...
  2. pmc Periodontal infection, systemic inflammation, and insulin resistance: results from the continuous National Health and Nutrition Examination Survey (NHANES) 1999-2004
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
    Diabetes Care 35:2235-42. 2012
    ..The roles of inflammatory mediation and effect modification were also studied...
  3. pmc Periodontal disease, tooth loss and incident rheumatoid arthritis: results from the First National Health and Nutrition Examination Survey and its epidemiological follow-up study
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
    J Clin Periodontol 38:998-1006. 2011
    ..We examined whether signs of periodontal infection were associated with RA development in the First National Health and Nutrition Examination Survey and its epidemiological follow-up study...
  4. ncbi request reprint Refining exposure definitions for studies of periodontal disease and systemic disease associations
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY 10032, USA
    Community Dent Oral Epidemiol 36:493-502. 2008
    ..Imprecise periodontal exposure definitions are possible contributors to this variability. We studied appropriate exposure definitions for studying associations between clinical periodontal disease (PD) and systemic disease...
  5. pmc Periodontal disease and incident type 2 diabetes: results from the First National Health and Nutrition Examination Survey and its epidemiologic follow-up study
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, USA
    Diabetes Care 31:1373-9. 2008
    ..We investigated whether baseline periodontal disease independently predicts incident diabetes over two decades of follow-up...
  6. pmc Subgingival bacterial colonization profiles correlate with gingival tissue gene expression
    Panos N Papapanou
    Division of Periodontics, Section of Oral and Diagnostic Sciences, College of Dental Medicine, Columbia University, New York, NY, USA
    BMC Microbiol 9:221. 2009
    ..Random effects linear regression models considered bacterial levels as exposure and expression profiles as outcome variables. Gene Ontology analyses summarized the expression patterns into biologically relevant categories...
  7. pmc Changes in clinical and microbiological periodontal profiles relate to progression of carotid intima-media thickness: the Oral Infections and Vascular Disease Epidemiology study
    Moise Desvarieux
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY
    J Am Heart Assoc 2:e000254. 2013
    ..No prospective studies exist on the relationship between change in periodontal clinical and microbiological status and progression of carotid atherosclerosis...
  8. pmc Heterogeneity of systemic inflammatory responses to periodontal therapy
    Jan H Behle
    Division of Periodontics, Section of Oral and Diagnostic Sciences, Columbia University College of Dental Medicine, New York, NY 10032, USA
    J Clin Periodontol 36:287-94. 2009
    ..We investigated the effect of comprehensive periodontal therapy on the levels of multiple systemic inflammatory biomarkers...
  9. pmc Gingival tissue transcriptomes in experimental gingivitis
    Daniel Jönsson
    Division of Periodontics, Section of Oral and Diagnostic Sciences, College of Dental Medicine, Columbia University, New York, NY 10032, USA
    J Clin Periodontol 38:599-611. 2011
    ..We investigated the sequential gene expression in the gingiva during the induction and resolution of experimental gingivitis...
  10. pmc Transcriptomes in healthy and diseased gingival tissues
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
    J Periodontol 79:2112-24. 2008
    ..We hypothesized that a comparison of gene expression signatures between healthy and diseased gingival tissues would provide novel insights in the pathobiology of periodontitis and would inform the design of future studies...
  11. pmc Periodontal bacteria and hypertension: the oral infections and vascular disease epidemiology study (INVEST)
    Moise Desvarieux
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, USA
    J Hypertens 28:1413-21. 2010
    ..Chronic infections, including periodontal infections, may predispose to cardiovascular disease. We investigated the relationship between periodontal microbiota and hypertension...
  12. pmc Evaluating clinical periodontal measures as surrogates for bacterial exposure: the Oral Infections and Vascular Disease Epidemiology Study (INVEST)
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
    BMC Med Res Methodol 10:2. 2010
    ..We investigated the characteristics of clinical periodontal definitions that were most representative of exposure to bacterial species that are believed to be either markers, or themselves etiologic, of periodontal disease...
  13. doi request reprint Bleeding on probing differentially relates to bacterial profiles: the Oral Infections and Vascular Disease Epidemiology Study
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY 10032, USA
    J Clin Periodontol 35:479-86. 2008
    ..Various bacterial species are differentially prevalent in periodontal health, gingivitis or periodontitis. We tested the independent associations between three bacterial groupings and gingival inflammation in an epidemiological study...
  14. pmc Periodontal status and A1C change: longitudinal results from the study of health in Pomerania (SHIP)
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, USA
    Diabetes Care 33:1037-43. 2010
    ..Infection may be a type 2 diabetes risk factor. Periodontal disease is a chronic infection. We hypothesized that periodontal disease was related to A1C progression in diabetes-free participants...
  15. pmc Interaction between arsenic exposure from drinking water and genetic susceptibility in carotid intima-media thickness in Bangladesh
    Fen Wu
    Department of Population Health, New York University School of Medicine, New York, NY, USA Department of Environmental Medicine, New York University School of Medicine, New York, NY, USA
    Toxicol Appl Pharmacol 276:195-203. 2014
    ..Future replication studies in diverse populations are needed to confirm the findings. ..
  16. pmc The influence of type 1 and type 2 diabetes on periodontal disease progression: prospective results from the Study of Health in Pomerania (SHIP)
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, USA
    Diabetes Care 35:2036-42. 2012
    ..To explore associations between diabetes etiology (type 1 diabetes mellitus [T1DM] vs. T2DM) and glycemic control in the prediction of 5-year periodontal status change...
  17. ncbi request reprint Association between betel quid chewing and carotid intima-media thickness in rural Bangladesh
    Tyler R McClintock
    Departments of Population Health and Environmental Medicine, New York University School of Medicine, New York, NY, USA, Department of Environmental Health Sciences, Mailman School of Public Health, Columbia University, New York, NY, USA, U Chicago Research Bangladesh, Dhaka, Bangladesh, Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, USA, INSERM, UMR S 707, Universite Pierre et Marie Curie Paris 6, Paris, France, Ecole des hautes études en santé publique, Paris and Rennes, France and Departments of Health Studies, Medicine and Human Genetics and Comprehensive Cancer Center, University of Chicago, Chicago, IL, USA
    Int J Epidemiol 43:1174-82. 2014
    ..Though recent evidence suggests it may play a role in the development of cardiovascular disease, no studies have investigated whether betel nut use is related to subclinical atherosclerosis...
  18. pmc Association between anthropometric measures of obesity and subclinical atherosclerosis in Bangladesh
    Wenzhen Ge
    Department of Environmental Medicine, New York University School of Medicine, New York, NY, USA
    Atherosclerosis 232:234-41. 2014
    ..However, their relationships with subclinical atherosclerosis are unclear. Studies in normal-weight populations, especially in Asian countries where leanness is prevalent, are lacking...
  19. doi request reprint Potentially traumatic events and the risk of six physical health conditions in a population-based sample
    Katherine M Keyes
    Department of Epidemiology, Columbia University, New York, NY 10032, USA
    Depress Anxiety 30:451-60. 2013
    ..Potentially traumatic events (PTEs) are common in the population, yet, the impact of total burden and specific types of PTEs on physical health has not been systematically investigated...
  20. pmc Arsenic exposure from drinking water, arsenic methylation capacity, and carotid intima-media thickness in Bangladesh
    Yu Chen
    Departments of Population Health and Environmental Medicine, School of Medicine, New York University, 650 First Avenue, Room 510, New York, NY 10016, USA
    Am J Epidemiol 178:372-81. 2013
    ..Future prospective studies are needed to confirm the association between arsenic methylation capacity and atherosclerosis-related outcomes. ..
  21. pmc Peripheral venous congestion causes inflammation, neurohormonal, and endothelial cell activation
    Paolo C Colombo
    Division of Cardiology, Department of Medicine, Columbia University Medical Center, New York, NY, USA
    Eur Heart J 35:448-54. 2014
    ..This study aimed at elucidating whether peripheral venous congestion is sufficient to promote changes in inflammatory, neurohormonal, and endothelial phenotype similar to those observed in HF and RF...
  22. pmc The influence of anti-infective periodontal treatment on C-reactive protein: a systematic review and meta-analysis of randomized controlled trials
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, United States of America
    PLoS ONE 8:e77441. 2013
    ..We conducted a systematic review and meta-analysis of randomized controlled trials (RCTs) to test the hypothesis that anti-infective periodontal treatment reduces systemic c-reactive protein (CRP)...
  23. pmc Periodontal infection, impaired fasting glucose and impaired glucose tolerance: results from the Continuous National Health and Nutrition Examination Survey 2009-2010
    Nidhi Arora
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
    J Clin Periodontol 41:643-52. 2014
    ..We investigated the relationship between periodontal disease, a clinical manifestation of periodontal infection, and pre-diabetes...
  24. pmc Periodontal therapy alters gene expression of peripheral blood monocytes
    Panos N Papapanou
    Division of Periodontics, Section of Oral and Diagnostic Sciences, College of Dental Medicine, Columbia University, New York, NY 10032, USA
    J Clin Periodontol 34:736-47. 2007
    ..We investigated the effects of periodontal therapy on gene expression of peripheral blood monocytes...
  25. pmc Periodontal infection and cardiorespiratory fitness in younger adults: results from continuous national health and nutrition examination survey 1999-2004
    Ashley Thai
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, United States of America
    PLoS ONE 9:e92441. 2014
    ..Our objective was to study the association between clinical measures of periodontal infection and cardiorespiratory fitness levels among a population-based sample of younger adults...
  26. doi request reprint Validity and reliability of a novel slow cuff-deflation system for noninvasive blood pressure monitoring in patients with continuous-flow left ventricular assist device
    Gregg M Lanier
    New York Presbyterian, Columbia University, New York, NY
    Circ Heart Fail 6:1005-12. 2013
    ..Validity and reliability of the Terumo Elemano BP Monitor, a novel slow cuff-deflation device that could potentially be used by patients at home, were assessed...
  27. ncbi request reprint Periodontal infections and cardiovascular disease: the heart of the matter
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, 722 W 168th St, Suite 1704, New York, NY 10032, USA
    J Am Dent Assoc 137:14S-20S; quiz 38S. 2006
    ..Periodontal infections are a leading culprit, with studies reporting associations between periodontal disease and CVD. The results, however, have varied, and it often is unclear what conclusions can be drawn from these data...
  28. pmc Mediterranean-style diet and risk of ischemic stroke, myocardial infarction, and vascular death: the Northern Manhattan Study
    Hannah Gardener
    Evelyn F McKnight Brain Institute, Department of Neurology, Miller School of Medicine, University of Miami, FL 33136, USA
    Am J Clin Nutr 94:1458-64. 2011
    ..Data on blacks and Hispanics in the United States are lacking, and to our knowledge only one study has examined a Mediterranean-style diet (MeDi) in relation to stroke...
  29. ncbi request reprint Serum antibody responses to periodontal microbiota in chronic and aggressive periodontitis: a postulate revisited
    Andrew M Hwang
    Division of Periodontics, Section of Oral and Diagnostic Sciences, College of Dental Medicine, Columbia University, New York, NY
    J Periodontol 85:592-600. 2014
    ..Antibody responses were further examined in localized and generalized chronic periodontitis (LCP and GCP)...
  30. doi request reprint Prevalence of gluten-free diet adherence among individuals without celiac disease in the USA: results from the Continuous National Health and Nutrition Examination Survey 2009-2010
    Daniel V Digiacomo
    Department of Medicine, Celiac Disease Center at Columbia University, Columbia University, New York, NY 10032, USA
    Scand J Gastroenterol 48:921-5. 2013
    ....
  31. doi request reprint Asthma and suicide behaviors: results from the Third National Health and Nutrition Examination Survey (NHANES III)
    Renee D Goodwin
    Department of Epidemiology, Columbia University, 722 West 168th Street, New York, NY 10032, USA
    J Psychiatr Res 46:1002-7. 2012
    ..This study may provide an empiric foundation for including asthma in the clinical assessment of suicide risk...
  32. ncbi request reprint Bioinformatics techniques in microarray research: applied microarray data analysis using R and SAS software
    Ryan T Demmer
    Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
    Methods Mol Biol 666:395-417. 2010
    ..All analyses described in this chapter can be performed using relatively limited computational resources such as a lap top PC with at least 2.0 GB of memory and 2.0 GHz of processing speed...
  33. doi request reprint Infection duration and inflammatory imbalance are associated with atherosclerotic risk in HIV-infected never-smokers independent of antiretroviral therapy
    Moise Desvarieux
    aDepartment of Epidemiology, Columbia University, Mailman School of Public Health, New York, USA bInserm U 738 and École des Hautes Études en Santé Publique cAP HP Department of Cardiology, Hopital Saint Antoine, F 75012, Paris, France dUPMC Univ Paris 06, Paris F75012 eAPHP Department of Infectious and Tropical Diseases, Hôpital Saint Antoine fAPHP Hôpital Tenon, Service de Biochimie et Hormonologie, Paris F75020 gInserm UMR_S938, Paris F 75012 hInserm U970, Paris Cardiovascular Research Center, and Paris Descartes University iAP HP Centre d Investigation Clinique Paris EST 9304, Hopital Pitie Salpetriere, Paris, France jDepartment of Medicine, University of Cambridge, Cambridge, UK kInserm UMR S707, Paris, France
    AIDS 27:2603-14. 2013
    ....
  34. pmc Patterns and associated risk of perioperative use of anti-tumor necrosis factor in patients with rheumatoid arthritis undergoing total knee replacement
    Beverly K Johnson
    Rheumatology Department, Hospital for Special Surgery and the Columbia University Mailman School of Public Health, New York, New York 10021, USA
    J Rheumatol 40:617-23. 2013
    ..We examined the patterns of perioperative anti-TNF use and risk of postoperative adverse events (AE) in patients undergoing total knee replacement (TKR)...
  35. pmc Radiographic measures of chronic periodontitis and carotid artery plaque
    Steven P Engebretson
    Division of Periodontics, College of Physicians and Surgeons, Columbia University Medical Center, 630 W 168th St, PH7 E 125A New York, NY 10032, USA
    Stroke 36:561-6. 2005
    ..The purpose of this study was to determine whether radiographically assessed CP is associated with nonstenotic carotid artery plaque as an ultrasound measure of subclinical atherosclerosis...
  36. pmc Periodontal microbiota and carotid intima-media thickness: the Oral Infections and Vascular Disease Epidemiology Study (INVEST)
    Moise Desvarieux
    Division of Epidemiology, School of Public Health, University of Minnesota, Minneapolis, Minn, USA
    Circulation 111:576-82. 2005
    ..Chronic infections, including periodontal infections, may predispose to cardiovascular disease. We investigated the relationship between periodontal microbiota and subclinical atherosclerosis...
  37. ncbi request reprint Gender differences in the relationship between periodontal disease, tooth loss, and atherosclerosis
    Moise Desvarieux
    Division of Epidemiology, School of Public Health, University of Minnesota, USA
    Stroke 35:2029-35. 2004
    ..Because males also bear a higher burden of periodontal disease, we investigated the existence of gender differences in the postulated relationship between periodontal infections, tooth loss, and subclinical atherosclerosis...
  38. pmc Relationship between periodontal disease, tooth loss, and carotid artery plaque: the Oral Infections and Vascular Disease Epidemiology Study (INVEST)
    Moise Desvarieux
    Division of Epidemiology, School of Public Health, University of Minnesota, Minneapolis, USA
    Stroke 34:2120-5. 2003
    ..Chronic infections, including periodontal infections, may predispose to cardiovascular disease. The present study investigates the relationship of periodontal disease and tooth loss with subclinical atherosclerosis...