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Vitamin D Deficiency Before Bariatric Surgery: Should Supplement Intake Be Routinely Prescribed?
MedLine Citation:
PMID:  21234699     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Before bariatric surgery, we demonstrate a 96% rate of vitamin D deficiency in morbidly obese French patients: should supplement intake be routinely prescribed? We conducted a prospective observational study to demonstrate the prevalence of vitamin D deficiency in morbidly obese patients awaiting bariatric surgery. METHODS: Clinical and biological data were collected on 50 successive patients. RESULTS: Data showed vitamin D deficiency in 96% (25-OH vitamin D = 31 ± 13 nmol/l), with a cut-point of 50 nmol/l. Secondary hyperparathyroidism was found in 44% of patients with hypovitaminosis D (parathyroid hormone (PTH), 59 ± 24 pg/ml). Impaired PTH level concerned 89% of this group, considering the cut-point at 30 pg/ml. No significant correlation appeared between vitamin D and calcium or phosphate levels. CONCLUSIONS: Before surgery, we demonstrated a higher incidence of vitamin D deficiency in morbidly obese French patients as compared to the general population. The incidence was also higher than previous American studies. Screening for hypovitaminosis D may routinely be considered in morbid obesity. Long-term observation is, however, needed to assess the advantages and potential side effects of systematic vitamin D supplements.
Authors:
Roxane Ducloux; Estelle Nobécourt; Jean-Marc Chevallier; Hervé Ducloux; Negib Elian; Jean-Jacques Altman
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-1-14
Journal Detail:
Title:  Obesity surgery     Volume:  -     ISSN:  1708-0428     ISO Abbreviation:  -     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2011-1-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9106714     Medline TA:  Obes Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Service de Diabétologie-Endocrinologie-Nutrition, Hôpital Européen Georges Pompidou, Paris, France, roxane.ducloux@egp.aphp.fr.
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