Increased Plasma Magnesium Concentrations 3 Years After Biliopancreatic Diversion with Duodenal Switch.
Summary of "Increased Plasma Magnesium Concentrations 3 Years After Biliopancreatic Diversion with Duodenal Switch."
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 well-known that magnesium levels decline after jejuno-ileal bypass and increase after gastric bypass surgery, information on how magnesium status is affected by BPD-DS is scant. The aim of the present study was to evaluate plasma magnesium concentrations (P-Mg) after BPD-DS.
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.
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.
Although exerting much of its weight-reducing 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.
Department of Surgical Sciences, Uppsala University Hospital, 75185, Uppsala, Sweden, firstname.lastname@example.org.
This article was published in the following journal.
Name: Obesity surgery
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/22773141
- DOI: http://dx.doi.org/10.1007/s11695-012-0709-x
Medical and Biotech [MESH] Definitions
A surgical procedure which diverts pancreatobiliary secretions via the duodenum and the jejunum into the colon, the remaining small intestine being anastomosed to the stomach after antrectomy. The procedure produces less diarrhea than does jejunoileal bypass.
Magnesium chloride. An inorganic compound consisting of one magnesium and two chloride ions. The compound is used in medicine as a source of magnesium ions, which are essential for many cellular activities. It has also been used as a cathartic and in alloys.
Magnesium oxide (MgO). An inorganic compound that occurs in nature as the mineral periclase. In aqueous media combines quickly with water to form magnesium hydroxide. It is used as an antacid and mild laxative and has many nonmedicinal uses.
A nutritional condition produced by a deficiency of magnesium in the diet, characterized by anorexia, nausea, vomiting, lethargy, and weakness. Symptoms are paresthesias, muscle cramps, irritability, decreased attention span, and mental confusion, possibly requiring months to appear. Deficiency of body magnesium can exist even when serum values are normal. In addition, magnesium deficiency may be organ-selective, since certain tissues become deficient before others. (Harrison's Principles of Internal Medicine, 12th ed, p1936)
Urinary Reservoirs, Continent
Structures which collect and store urine and are emptied by catheterization of a cutaneous stoma or internal diversion to the urethra. The reservoirs are surgically created during procedures for urinary diversion.
To study the effect of botulinum toxin in patients with chronic anal fissure after biliopancreatic diversion (BPD) for severe obesity.
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