Serum Magnesium Status After Gastric Bypass Surgery in Obesity

Johansson, Hans-Erik; Zethelius, Björn; Öhrvall, Màrgàretà; Sundbom, Magnus; Haenni, Arvo

doi:10.1007/s11695-008-9536-5

Cited by 32 publications

(28 citation statements)

References 22 publications

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“…Hypomagnesemia (34%), consistent with present findings, was already registered years ago [15]. Conversely, postoperative concentrations increased in the recent experience of Johansson et al [16]. Further studies should elucidate this discrepancy.…”

Section: Discussionsupporting

confidence: 87%

Long-Term Nutritional Outcome After Gastric Bypass

et al. 2009

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(1) Good initial weight loss with moderate late regain, anemia, and multiple nutrient deficits was the common pattern. (2) Massive weight loss, frequent vomiting, dumping syndrome, and women in reproductive age were risk factors for hemoglobin or vitamin deficits, whereas superobesity, diabetes, and use of multiple drugs were associated with EWL result. (3) Most laboratory tests became stable by 2 years and along with BMI correlated with late EWL. (4) Two-year nutritional investigation is especially recommended because of its long-term predictive value.

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Section: Discussionsupporting

confidence: 87%

Long-Term Nutritional Outcome After Gastric Bypass

et al. 2009

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“…WBC was measured by a Cell-Dyn Sapphire (Abbott, Santa Clara, USA). Serum Mg was measured by spectrophotometric determination as previously reported [34]. …”

Section: Methodsmentioning

confidence: 99%

Changes in Erythrocyte Sedimentation Rate, White Blood Cell Count, Liver Enzymes, and Magnesium after Gastric Bypass Surgery

2011

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Background. Roux-en-Y gastric bypass (RYGBP) is an established method for treatment of obesity, a condition of chronic inflammation with liver steatosis, characterised by increased erythrocyte sedimentation rate (ESR), white blood cell count (WBC), liver enzymes, and decreased magnesium (Mg). We investigated alterations, if any, in ESR, WBC, alanine aminotransferase (ALT), gamma-glutamyl transferase (GGT), and Mg after RYGBP. Methods. 21 morbidly obese nondiabetic patients who underwent RYGBP surgery were evaluated preoperatively (baseline), then 1 year (1st followup) and 3.5 years (2nd followup) after RYGBP and compared to an untreated control group. Results. Body mass index, ESR, WBC, ALT, and GGT were all significantly reduced at 1 year in the RYGBP group (30%, 35%, 20%, 45%, and 57%, resp.) while Mg increased by 6%, compared to control group (P = 0.001 − 0.009). Conclusions. Obese patients treated by RYGBP show sustained reductions in ESR, WBC, ALT, and GGT possibly due to reduced liver steatosis and increased Mg.

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“…Also long-term data after RYGBP indicate improvements in glucose and lipids [9,10,18,19], lowering of alanine aminotransferase (ALT) and elevation of circulating magnesium [20,21].…”

Section: Introductionmentioning

confidence: 99%