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Obesity as well as bariatric surgery may increase the risk for vitamin D deficiency. We retrospectively compared vitamin D levels in obese patients (n = 123) prior to bariatric surgery and 1 year postoperatively. We also evaluated parathyroid hormone levels (PTH) 1 year after surgery. A higher percentage of patients had baseline vitamin D deficiency (86%), defined as 25-hydroxy vitamin D <32 ng/mL,...
Background: Biliopancreatic diversion (BPD) is associated with a 70% excess weight loss (EWL) at 10 years, but there are concerns regarding long-term nutritional sequelae. Metabolic bone disease has been documented following Roux-en-Y gastric bypass. Methods: Patients who underwent a BPD from 1998 to 2001 were studied. A questionnaire was designed to review BPD patients and collect information on...
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