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Short- and Mid-term Changes in Bone Mineral Density After Laparoscopic Sleeve Gastrectomy.
MedLine Citation:
PMID:  23315187     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Bariatric surgery is the most effective treatment for achieving a significant weight loss. Morbidities present a significant reduction after bariatric surgery, but it may also result in several health complications, related to nutritional deficiencies, including bone metabolism. Several studies have reported a decrease in bone mineral density (BMD), but most of them referring to malabsorptive procedures. Restrictive procedures do not imply changes in gastrointestinal anatomy, so that one may expect fewer metabolic disturbances. METHODS: We performed a retrospective observational study of all morbidly obese patients undergoing LSG between 2008 and 2011 at our institution. Bone densitometry was performed before surgery and 1 and 2 years after the intervention. Body size measurements, analytical variables and densitometric values in the lumbar spine (BMD, t score and z score) were investigated. RESULTS: Forty-two patients were included, 39females and 3males. Mean BMI was 51.21 kg/m(2). Mean excessive BMI loss was 79.9 % after 1 year and 80.6 % after 2 years. Mean BMD values for spine increased progressively, reaching statistical significance at 1 and at 2 years. Percentage of BMD increase was 5.7 % at 1 year and 7.9 % at 2 years. An inverse correlation was observed between BMD increase and parathyroid hormone (PTH) decrease and a direct correlation between BMD and vitamin D increase. CONCLUSION: Bone mineral density showed a progressive increase during the first and second year after sleeve gastrectomy. BMD changes are not associated with weight loss, but showed a direct correlation with vitamin D and an inverse correlation with PTH levels.
Authors:
Jaime Ruiz-Tovar; Inmaculada Oller; Pablo Priego; Antonio Arroyo; Alicia Calero; María Diez; Lorea Zubiaga; Rafael Calpena
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-14
Journal Detail:
Title:  Obesity surgery     Volume:  -     ISSN:  1708-0428     ISO Abbreviation:  Obes Surg     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9106714     Medline TA:  Obes Surg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Surgery, Bariatric Surgery Unit, General University Hospital Elche, University Miguel Hernandez, Elche, Alicante, Spain, jruiztovar@gmail.com.
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