title: Bone mineral density in patients with recently diagnosed inflammatory bowel disease.
abstract: OBJECTIVE
  A high prevalence of osteoporosis is reported in inflammatory bowel disease (IBD), and its pathogenesis is not completely resolved. We investigated whether bone mineral density (BMD) in patients with IBD at diagnosis is lower than in population controls, and whether BMD differs between patients with Crohn's disease and those with ulcerative colitis.
  
  
  METHODS
  In 68 patients and 68 age- and gender-matched population controls, BMD of total body, spine, and hip was assessed using dual-energy x-ray absorptiometry within 6 months after establishing the diagnosis. Determinants for low BMD were assessed.
  
  
  RESULTS
  There were no significant differences in BMD (g/cm(2)) between patients and controls, and no significant differences in BMD between patients with either Crohn's disease or ulcerative colitis. Multivariate regression analysis showed that duration of complaints longer than 6 months before diagnosis (P = 0.041), age (P = 0.019), and body mass index less than 20 kg/m(2) (P = 0.006) significantly correlated with low BMD.
  
  
  CONCLUSIONS
  BMD in patients with recently diagnosed IBD was not significantly decreased compared with population controls. Subsequent development of osteoporosis in patients with IBD seems to be a phenomenon related to the disease process and/or the treatment modalities of IBD.
authors.affiliation: Department of Gastroenterology and Hepatology, University Hospital Maastricht, Maastricht, The Netherlands. ESCH@sint.azm.nl
authors.forename: E J
authors.initials: EJ
authors.lastname: Schoon
authors.forename: B M
authors.initials: BM
authors.lastname: Blok
authors.forename: B J
authors.initials: BJ
authors.lastname: Geerling
authors.forename: M G
authors.initials: MG
authors.lastname: Russel
authors.forename: R W
authors.initials: RW
authors.lastname: Stockbrügger
authors.forename: R J
authors.initials: RJ
authors.lastname: Brummer
mesh_terms: D015502:Absorptiometry, Photon; D000328:Adult; D000375:Aging / Q000378:metabolism; D015992:Body Mass Index; D015519:Bone Density; D016022:Case-Control Studies; D003093:Colitis, Ulcerative / Q000175:diagnosis / Q000378:metabolism*; D003424:Crohn Disease / Q000175:diagnosis / Q000378:metabolism*; D005260:Female; D006621:Hip Joint / Q000000981:diagnostic imaging / Q000378:metabolism; D006801:Humans; D008297:Male; D008875:Middle Aged; D012016:Reference Values; D013131:Spine / Q000000981:diagnostic imaging / Q000378:metabolism