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Adiposity is associated with early reduction in bone mass in pediatric inflammatory bowel disease
Endocrinology/Diabetes
  • Nithya Setty-Shah, University of Massachusetts Medical School
  • Louise S. Maranda, University of Massachusetts Medical School
  • Benjamin U. Nwosu, University of Massachusetts Medical School
UMMS Affiliation
Department of Pediatrics; Department of Quantitative Health Sciences; School of Medicine; Senior Scholars Program
Date
1-21-2016
Document Type
Article
Abstract
Background: The effect of adiposity on bone mass in the early phases of inflammatory bowel disease (IBD) in children and adolescents is unclear. Aims: To determine the role of adiposity on bone mass in the first 3 years of diagnosis of IBD. Hypothesis: Increased adiposity will be associated with increased bone mass in both the controls and IBD subjects. Setting: University tertiary institution. Methods: Height-adjusted bone mineral density (BMD) z-scores of 25 subjects, age 13.97 ± 2.70y, diagnosed with IBD for < 4 years were compared to 24 controls, age 13.65 ± 2.60y. Overweight was defined as BMI of ≥85th but <95th percentile, and obesity as BMI ≥95thpercentile. Severity of IBD was determined by the Pediatric Crohn’s Disease Activity Index and Lichtiger Colitis Activity Index. Results: Prior to stratification by BMI criterion, height-adjusted BMD z-scores were non-significantly lower in IBD subjects vs. controls for both the femoral neck (-0.8 ± 1.1 vs. -0.06 ± 1.1, p=0.070) and lumbar vertebrae (-0.4 ± 1.2 vs. 0.2 ± 1.2, p=0.086). Following stratification, height-adjusted BMD z-scores were significantly lower in the overweight/obese IBD subjects vs. overweight/obese controls for femoral neck (-0.9 ± 0.9 vs. 0.3 ± 1.3, p=0.032); and non-significantly lower for the lumbar spine z-score (-0.4 ± 1.6 vs. 0.5 ± 1.3, p=0.197). BMD z-score had no relationship with the duration of disease, steroid therapy, and the severity of disease. Conclusion: Adiposity was associated with reduced bone mass in the early phases of IBD, but with increased bone mass in the controls.
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This is a PDF file of an unedited manuscript that has been accepted for publication and posted with a 12 month embargo as allowed by the publisher's author rights policy at https://www.elsevier.com/about/company-information/policies/sharing.
Comments

Citation: Setty-Shah N, Maranda L, Nwosu BU. Adiposity is associated with early reduction in bone mass in pediatric inflammatory bowel disease. Nutrition. 2016 Jul-Aug;32(7-8):761-6. doi: 10.1016/j.nut.2016.01.004. PubMed PMID: 27138109. Link to article on publisher's site

Nithya Setty-Shah participated in this study as a medical student as part of the Senior Scholars research program at the University of Massachusetts Medical School.

Related Resources
Link to article in PubMed
Keywords
  • ulcerative colitis,
  • Crohn’s disease,
  • bone mineral density,
  • adiposity,
  • inflammation
PubMed ID
27138109
Creative Commons License
Creative Commons Attribution-Noncommercial-No Derivative Works 4.0
Citation Information
Nithya Setty-Shah, Louise S. Maranda and Benjamin U. Nwosu. "Adiposity is associated with early reduction in bone mass in pediatric inflammatory bowel disease" Vol. 32 Iss. 7-8 (2016)
Available at: http://works.bepress.com/benjamin_nwosu/43/