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Poor bone health at the end of puberty in childhood cancer survivors.

 Jung Woo Han  ;  Hyo Sun Kim  ;  Seung Min Hahn  ;  Song Lee Jin  ;  Yoon Jung Shin  ;  Sun Hee Kim  ;  Yoon Sun Lee  ;  Jin Lee  ;  Chuhl Joo Lyu 
 PEDIATRIC BLOOD & CANCER, Vol.62(10) : 1838-1843, 2015 
Journal Title
Issue Date
Absorptiometry, Photon ; Adolescent ; Bone Density* ; Bone Diseases, Metabolic/epidemiology* ; Bone Diseases, Metabolic/etiology* ; Child ; Child, Preschool ; Female ; Humans ; Male ; Neoplasms/complications* ; Osteoporosis/epidemiology ; Osteoporosis/etiology ; Puberty ; Risk Factors ; Survivors/statistics & numerical data
bone density ; neoplasm ; osteoporosis ; survivor
BACKGROUND: Although the survival rate following childhood cancer is >80%, late effects are a major concern. We aimed to determine the clinical factors affecting bone health after puberty in childhood cancer survivors at risk for low bone mineral density (BMD). PROCEDURES: We performed dual-energy X-ray absorptiometry at the lumbar spine, femoral neck, and total hip regions for survivors with the following bone densitometry indications (BDIXs): brain or nasopharyngeal cancer, head or neck area radiotherapy, or corticosteroid treatment (N = 92). Additionally, we evaluated 16 survivors without these BDIXs but with other clinical factors that could affect bone health. We assessed the effects of these factors on BMD using univariate and logistic regression analyses. Moderate BMD deficit was defined as a Z-score of <-1.0 and ≥-2.0, and severe BMD deficit was defined as <-2.0. RESULTS: Severe BMD deficits were found in 18 survivors (16.7%) and moderate BMD deficits were in 39 (36.1%) in at least one bone region. BMD deficits tended to increase as the number of BDIXs increased (P < 0.010). There were no severe BMD deficits in survivors without BDIXs. The duration since cancer treatment completion was correlated with higher BMD (P < 0.05). Endocrine dysfunction was a significant risk factor for decreased BMD in univariate and multivariate analyses (P < 0.05 for both). CONCLUSIONS: Decreased BMD was prevalent in our study cohort. Endocrine dysfunction was found to be a significant risk factor, and it should be managed in survivors to ensure future bone health.
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1. College of Medicine (의과대학) > Dept. of Pediatrics (소아청소년과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyo Sun(김효선)
Lyu, Chuhl Joo(유철주) ORCID logo https://orcid.org/0000-0001-7124-7818
Hahn, Seung Min(한승민) ORCID logo https://orcid.org/0000-0001-9832-6380
Han, Jung Woo(한정우) ORCID logo https://orcid.org/0000-0001-8936-1205
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