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Case Rep Gastroenterol. 2019 Jun 26;13(2):280-293. doi: 10.1159/000501121. eCollection 2019.

Subcutaneous Magnesium Sulfate to Correct High-Output Ileostomy-Induced Hypomagnesemia.

Case reports in gastroenterology

Mark J Makowsky, Peter Bell, Leah Gramlich

Affiliations

  1. Faculty of Pharmacy and Pharmaceutical Sciences, University of Alberta, Edmonton, Alberta, Canada.
  2. Department of Family Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.
  3. Division of Gastroenterology, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.

PMID: 31341460 PMCID: PMC6639584 DOI: 10.1159/000501121

Abstract

Fluid and magnesium abnormalities are common in patients with high-output stomas. Subcutaneous magnesium administration may be more feasible for long-term management in ambulatory patients, but magnesium sulfate is approved only for intravenous or intramuscular injection. We describe the management of chronic hypomagnesemia and dehydration secondary to a high-output ileostomy following radiation and chemotherapy for anal squamous cell carcinoma with intermittent home-based subcutaneous magnesium infusions in a 61-year-old female with a history of Crohn's disease and multiple bowel resections. Despite aggressive management with intravenous magnesium sulfate and oral magnesium glucoheptonate over 8 months, 49% of her magnesium concentrations were <0.60 mmol/L (mean 0.61 ± 0.09) necessitating 4 emergency, 1 hospital, and 4 infusion clinic visits. After initiation of subcutaneous magnesium sulfate, all magnesium concentrations were >0.60 mmol/L (mean 0.79 ± 0.08 mmol/L over 9 months). The patient tolerated the infusions well, only developing one minor episode of infusion-related cellulitis. A systematic review of the literature identified 14 reports where subcutaneous magnesium sulfatewas effective and treatment for adults or children with hypomagnesemia was safe. Home-based intermittent administration of subcutaneous magnesium may be a helpful and safe intervention to temporarily prevent and treat select patients with recurrent symptomatic hypomagnesemia.

Keywords: Hypodermoclysis; Ileostomy; Magnesium; Radiation enteritis; Subcutaneous infusions

Conflict of interest statement

The authors have no conflicts of interest to declare.

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