RYGB is associated to high bone resorption and hyperparathyroidism prevalence in postmenopausal women in the long-term. This occurs independently of the intake of calcium, vitamin D status, or ghrelin and does not seem to affect BMD after RYGB.

Introduction The objective of this study was to analyze health care and non-health care resource utilization under routine medical practice in a primary care setting claims database and to estimate the incremental average cost per patient per year of fibromyalgia syndrome (FMS) compared with a reference population.

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Usefulness of intraoperative parathormone measurement to predict surgical cure in primary hyperparathyroidismBackground: The aim of the surgical treatment of primary hyperparathyroidism (PHPT) is to achieve its complete cure, evidenced by a normal serum calcium in the postoperative period. Measurement of intraoperative serum parathormone (PTH) can be useful to predict complete cure of the disease. Aim: To assess the usefulness of intraoperative PTH measurement to predict complete cure of PHPT. Material and methods: Serum PTH was measured to all patients operated for PHPT between 2003 and 2008, before and five and ten minutes after the excision of the parathyroid gland causing the disease. The criteria for complete cure were a normal serum calcium at 24 hours and 6 months after surgery and the pathological confirmation of parathyroid gland excision. Results: Eighty eight operated patients, aged 58±15 years (72 females) were studied. Sixty four percent were asymptomatic and their preoperative serum calcium was 11.6±1.2 mg/dl. A normal serum calcium was achieved in 86 patients (98%) at 24 hours and 50 of 52 patients followed for six months (96%). The pathological study disclosed an adenoma in 69 (78%), and multiglandular disease in 16 (18%), a parathyroid cancer in one and a normal gland in one patient. Intraoperative PTH predicted early and definitive cure in 97% and 100% of patients with a single adenoma, respectively. Among patients with multiglandular disease, the predictive figures were 94% and 100%, respectively.

Compared to those with typical fractures, patients with atypical fracture report a longer duration of use of bisphosphonates, higher BMI, and higher total hip BMD. Future studies should examine if these differences contribute to the pathophysiology of atypical fractures.

In the last decade, the risk benefits ratio of MHT has been evaluated mainly in terms of cardiovascular risk.

Guidelines of the Chilean EndocrinologySociety for the correct clinical use of bone densitometryOsteoporosis is a silent and frequent disease, which increases fracture risk. Approximately half of women and one of five men over 50 years old will suffer an osteoporotic fracture throughout their lives. Dual-energy x-ray absorptiometry (DXA) allows a real bone mineral density (BMD) measurement in different parts of the skeleton and is considered the "gold standard" for quantifying osteoporosis with high accuracy and precision. The Board of the Chilean Society of Endocrinology and Diabetes (SOCHED) required from the Bone Disease Study Group to develop a consensus about the "Correct use of bone densitometry in clinical practice in Chilean population". Therefore, we elaborated 25 questions which addressed key aspects about the indications for a DXA scan, and the details of how to perform and report this test. Since some of the evidence obtained was of low quality or inconclusive, we decided to create a multidisciplinary group of national experts in osteoporosis to develop a consensus in this subject. The group consisted of 22 physicians including endocrinologists, gynecologists, geriatricians, radiologists, rheumatologists and nuclear medicine specialists. Using the Delphi methodology to analyze previously agreed questions, we elaborated statements that were evaluated by the experts who expressed their degree of agreement. The final report of this consensus was approved by the SOCHED board.