Wendy Pj den Elzen

Summary

Affiliation: Leiden University Medical Center
Country: The Netherlands

Publications

  1. pmc Predictive value of a profile of routine blood measurements on mortality in older persons in the general population: the Leiden 85-plus Study
    Anne H van Houwelingen
    Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
    PLoS ONE 8:e58050. 2013
  2. pmc Prediction of mortality and functional decline by changes in eGFR in the very elderly: the Leiden 85-plus study
    Gijs Van Pottelbergh
    Department of Public Health and Primary Care, Katholieke Universiteit Leuven, Leuven, Belgium
    BMC Geriatr 13:61. 2013
  3. pmc Plasma hepcidin levels and anemia in old age. The Leiden 85-Plus Study
    Wendy P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
    Haematologica 98:448-54. 2013
  4. ncbi Anaemia in older persons
    W P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Centre, Leiden, The Netherlands
    Neth J Med 69:260-7. 2011
  5. pmc Telomere length and anaemia in old age: results from the Newcastle 85-plus Study and the Leiden 85-plus Study
    Wendy P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Centre, The Netherlands
    Age Ageing 40:494-500. 2011
  6. doi Long-term use of proton pump inhibitors and vitamin B12 status in elderly individuals
    W P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Centre, Leiden, The Netherlands
    Aliment Pharmacol Ther 27:491-7. 2008
  7. doi Cytomegalovirus infection and responsiveness to influenza vaccination in elderly residents of long-term care facilities
    Wendy P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
    Vaccine 29:4869-74. 2011
  8. pmc Effect of erythropoietin levels on mortality in old age: the Leiden 85-plus Study
    Wendy P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Center, The Netherlands
    CMAJ 182:1953-8. 2010
  9. pmc Effect of anemia and comorbidity on functional status and mortality in old age: results from the Leiden 85-plus Study
    Wendy P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
    CMAJ 181:151-7. 2009
  10. doi Vitamin B12 and folate and the risk of anemia in old age: the Leiden 85-Plus Study
    Wendy P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Center, Post Zone V 0 P, PO Box 9600, 2300 RC Leiden, The Netherlands
    Arch Intern Med 168:2238-44. 2008

Collaborators

Detail Information

Publications12

  1. pmc Predictive value of a profile of routine blood measurements on mortality in older persons in the general population: the Leiden 85-plus Study
    Anne H van Houwelingen
    Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
    PLoS ONE 8:e58050. 2013
    ....
  2. pmc Prediction of mortality and functional decline by changes in eGFR in the very elderly: the Leiden 85-plus study
    Gijs Van Pottelbergh
    Department of Public Health and Primary Care, Katholieke Universiteit Leuven, Leuven, Belgium
    BMC Geriatr 13:61. 2013
    ..The aim of this study was to determine whether the combination of the eGFR and the eGFR slope is a predictor of mortality and functional decline...
  3. pmc Plasma hepcidin levels and anemia in old age. The Leiden 85-Plus Study
    Wendy P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
    Haematologica 98:448-54. 2013
    ..01). In conclusion, older persons with anemia of inflammation have higher hepcidin levels than their counterparts without anemia. The potential clinical value of hepcidin in future diagnostic algorithms for anemia has to be explored...
  4. ncbi Anaemia in older persons
    W P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Centre, Leiden, The Netherlands
    Neth J Med 69:260-7. 2011
    ..Because current guidelines on anaemia are based on the classic notions of the aetiology of anaemia, they may need to be revised for the highest age groups...
  5. pmc Telomere length and anaemia in old age: results from the Newcastle 85-plus Study and the Leiden 85-plus Study
    Wendy P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Centre, The Netherlands
    Age Ageing 40:494-500. 2011
    ..We investigated the relation between telomere length and anaemia in two independent cohorts, with the prior expectation of adding anaemia to the list of conditions for which telomere reduction is a risk factor...
  6. doi Long-term use of proton pump inhibitors and vitamin B12 status in elderly individuals
    W P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Centre, Leiden, The Netherlands
    Aliment Pharmacol Ther 27:491-7. 2008
    ..Some studies have shown that short-term use of proton pump inhibitors decreases the absorption of vitamin B12, but the results of studies into long-term proton pump inhibitor use and vitamin B12 deficiency are inconsistent...
  7. doi Cytomegalovirus infection and responsiveness to influenza vaccination in elderly residents of long-term care facilities
    Wendy P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
    Vaccine 29:4869-74. 2011
    ..14 [95%CI 0.80;1.64]) or an antibody titer≥40 (adjusted OR 1.24 [95%CI 0.86;1.80]). In conclusion, CMV infection did not explain poor responsiveness to influenza vaccination in residents of long-term care facilities...
  8. pmc Effect of erythropoietin levels on mortality in old age: the Leiden 85-plus Study
    Wendy P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Center, The Netherlands
    CMAJ 182:1953-8. 2010
    ..We investigated the prognostic value of elevated erythropoietin levels on mortality among very elderly people in the general population...
  9. pmc Effect of anemia and comorbidity on functional status and mortality in old age: results from the Leiden 85-plus Study
    Wendy P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
    CMAJ 181:151-7. 2009
    ..There is limited insight into the attributable effect of anemia and comorbidity on functional status and mortality in old age...
  10. doi Vitamin B12 and folate and the risk of anemia in old age: the Leiden 85-Plus Study
    Wendy P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Center, Post Zone V 0 P, PO Box 9600, 2300 RC Leiden, The Netherlands
    Arch Intern Med 168:2238-44. 2008
    ..However, the effects of vitamin B(12) and folate deficiency on the development of anemia in old age have not yet been established...
  11. pmc Predictive factors of urinary tract infections among the oldest old in the general population. A population-based prospective follow-up study
    Monique A A Caljouw
    Department of Public Health and Primary Care, Leiden University Medical Center, Netherlands
    BMC Med 9:57. 2011
    ..Urinary tract infections (UTI) are common among the oldest old and may lead to a few days of illness, delirium or even to death. We studied the incidence and predictive factors of UTI among the oldest old in the general population...
  12. pmc Subnormal vitamin B12 concentrations and anaemia in older people: a systematic review
    Wendy P J den Elzen
    Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, The Netherlands
    BMC Geriatr 10:42. 2010
    ..The aim of this systematic review was to evaluate the association between subnormal vitamin B12 concentrations and anaemia in older people...