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Hypomagnesemia in short bowel syndrome patients
S C Miranda1, M L Ribeiro, E Ferriolli
1Division of Clinical Nutrition, Department of Internal Medicine, Hospital das Clínicas, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil.
Context:
Magnesium support to small bowel resection patients.
Objective:
Incidence and treatment of hypomagnesemia in patients with extensive small bowel resection.
Design:
Retrospective study.
Setting:
Metabolic Unit of the University Hospital Medical School of Ribeirão Preto, University of São Paulo, Brazil.
Patients:
Fifteen patients with extensive small bowel resection who developed short bowel syndrome.
Main Measurements:
Serum magnesium control of patients with bowel resection. Replacement of magnesium when low values were found.
Results:
Initial serum magnesium values were obtained 21 to 180 days after surgery. Hypomagnesemia [serum magnesium below 1.5 mEq/l (SD 0.43)] was detected in 40% of the patients [1,19 mEq/l (SD 0.22)]. During the follow-up period, 66% of the patients presented at least two values below reference (1.50 mEq/l). 40% increased their serum values after magnesium therapy.
Conclusion:
Metabolic control of serum magnesium should be followed up after extensive small bowel resection. Hypomagnesemia may be found and should be controlled.