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Increased circulating magnesium concentrations after Roux-en-Y gastric bypass surgery in patients with type 2 diabetes
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Clinical Nutrition and Metabolism. Falun Cent Hosp, Dept Surg, Bariatr Clin, Falun, Sweden.
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Social Sciences, Department of Food, Nutrition and Dietetics. Mora Hosp, Dept Surg, Mora, Sweden.ORCID iD: 0000-0001-9450-3714
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Geriatrics. Falun Cent Hosp, Dept Surg, Bariatr Clin, Falun, Sweden.
2018 (English)In: Surgery for Obesity and Related Diseases, ISSN 1550-7289, E-ISSN 1878-7533, Vol. 14, no 5, p. 576-582Article in journal (Refereed) Published
Abstract [en]

Background: Low circulating magnesium concentrations predict cardiovascular and all-cause mortality in patients with type 2 diabetes (T2D). Epidemiologic and clinical studies have indicated lower extra- and intracellular magnesium concentrations in patients with diabetes.

Objective: We aimed to describe alterations, if any, in circulating magnesium concentrations after laparoscopic Roux-en-Y gastric bypass surgery (LRYGB) in patients with obesity and T2D.

Setting: Outpatient clinic of obesity and central hospital.

Methods: Retrospective analysis of 1-year outcome of plasma magnesium (p-Mg) and glucometabolic status in all consecutive patients who underwent primary LRYGBP and who completed the follow-up visits, including biochemical test panels 6 and 12 months after surgery.

Results: LRYGBP and complete follow-up visits were performed in 51 patients with T2D and 86 patients without T2D. All patients were given similar dietary advice and multivitamin and mineral supplementation after surgery. Before RYGB, the patients with T2D showed lower p-Mg compared with patients without T2D (.79 ± .06 mM and .82 ± .05 mM, respectively, P<.01). P-Mg was inversely correlated to fasting blood glucose and glycosylated hemoglobin levels. After surgery, mean p-Mg increased by 5.2% in the group with T2D compared with 1.4% in the patients without T2D (P<.01), ending at an equal level of .83 mM. The alterations in p-Mg were inversely related to the changes in fasting glucose and glycosylated hemoglobin concentrations.

Conclusion: The lowered p-Mg associated with impaired glucometabolic status in patients with T2D was increased after LRYGBP, reaching similar concentrations as in patients without T2D.

Place, publisher, year, edition, pages
2018. Vol. 14, no 5, p. 576-582
Keywords [en]
Gastric bypass, Diabetes, Magnesium, Obesity
National Category
Endocrinology and Diabetes Gastroenterology and Hepatology
Identifiers
URN: urn:nbn:se:uu:diva-357579DOI: 10.1016/j.soard.2018.01.041ISI: 000433646200006PubMedID: 29567058OAI: oai:DiVA.org:uu-357579DiVA, id: diva2:1239777
Available from: 2018-08-17 Created: 2018-08-17 Last updated: 2019-01-18

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Hänni, ArvoJohansson, Hans-Erik

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Clinical Nutrition and MetabolismDepartment of Food, Nutrition and DieteticsGeriatrics
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Endocrinology and DiabetesGastroenterology and Hepatology

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