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Bariatric Surgery and Bone Loss: Do We Need to Be Concerned?


Despite significant improvement in weight and comorbid conditions, there is growing evidence that bariatric surgery may exert a negative effect on the skeleton. This review has focused on the impact of bariatric surgery on bone health, with the concern that bariatric surgery may increase skeletal fragility and fracture risk by accelerating bone loss. We have highlighted studies evaluating changes in bone metabolism after three commonly performed bariatric procedures including laparoscopic adjustable gastric banding, Roux-en-Y gastric bypass surgery and increasingly popular sleeve gastrectomy. This review has also discussed some of the technical issues faced in measuring bone in obese populations and during dynamic weight loss. There is limited evidence regarding potential mechanisms for the reported observations of increased bone turnover and/or bone loss after bariatric surgery. We have reviewed the evidence surrounding potential factors affecting bone health in bariatric patients such as rapid weight loss per se, nutritional deficiencies, effects of fat-derived adipokines and gut-derived appetite-regulatory hormones. Future prospective long-term cohort studies are needed to define how to quantify bone loss in individuals with obesity, particularly following massive weight loss, and for how long the bone changes continue. These studies will help clarify any negative clinical consequences of these changes, including future fracture risk in this unique group of patients.

Type Journal
ISBN 1559-0119
Authors Brzozowska, Malgorzata Monika; Sainsbury, Amanda; Eisman, John A.; Baldock, Paul A.; Center, Jacqueline R.
Responsible Garvan Author Prof Jacqueline Center
Publisher Name Clinical Reviews in Bone and Mineral Metabolism
Published Date 2014-12-01
Published Volume 12
Published Issue 4
Published Pages 207-227
Status Published in-print
DOI 10.1007/s12018-014-9162-9
URL link to publisher's version