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Increased plasma magnesium concentrations 3 years after biliopancreatic diversion with duodenal switch
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- Hedberg, Jakob (author)
- Uppsala universitet,Gastrointestinalkirurgi
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- Hänni, Arvo (author)
- Uppsala universitet,Geriatrik
- (creator_code:org_t)
- 2012-07-09
- 2012
- English.
- In: Obesity Surgery. - : Springer Science and Business Media LLC. - 0960-8923 .- 1708-0428. ; 22:11, s. 1708-1713
- Journal article (peer-reviewed)
Abstract
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- Background Biliopancreatic diversion with duodenal switch, BPD-DS, is a surgical procedure for treatment of super obese patients. It renders very good weight results and it strongly reduces the incidence of type 2 diabetes. One important mechanism of weight reduction after BPD-DS is malabsorption. Hypomagnesemia is an established cardiovascular risk factor. While it is wellknown that magnesium levels decline after jejuno-ileal bypass and increase after gastric bypass surgery, information on how magnesium status is affected by BPDDS is scant. The aim of the present study was to evaluate plasma magnesium concentrations (P-Mg) after BPD-DS. Methods Thirty-one patients, all Caucasians (9 diabetics, 12 men, age 38±8 years, weight 159±22 kg, body mass index (BMI) 53.9±5.2 kg/m 2) underwent BPD-DS. We evaluated weight, glycated hemoglobin levels (HbA1c) and P-Mg preoperatively as well as at 1 and 3 years after surgery. All subjects were treated with vitamin and mineral substitution after surgery, including 100 mg of magnesium salt. P-Mg was analyzed with respect to changes over time, correlation to BMI and HbA1c levels before and 3 years after surgery. Results The plasma magnesium concentrations increased by 15 % from 0.77±0.07 to 0.88±0.09 mmol/l over 3 years (p <0.001). The weight loss was 71±25 kg. No patient had diabetes at follow-up. No correlations between P-Mg and BMI or HbA1c were seen. Conclusions Although exerting much of its weightreducing effect by a malabsorptive mechanism, BPD-DS yields a rise in P-Mg 3 years postoperatively, possibly contributing to the improved metabolic state after this operation.
Keyword
- Bariatric surgery
- Biliopancreatic diversion
- Magnesium
- Obesity
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- art (subject category)
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