Document Detail

Serum magnesium concentration in children with functional constipation treated with magnesium oxide.
MedLine Citation:
PMID:  21390149     Owner:  NLM     Status:  MEDLINE    
AIM: To determine whether hypermagnesemia recently reported in adult patients possibly develops in children with functional constipation taking daily magnesium oxide.
METHODS: We enrolled 120 patients (57 male and 63 female) aged 1-14 years old (median: 4.7 years) with functional constipation from 13 hospitals and two private clinics. All patients fulfilled the Rome III criteria for functional constipation and were treated with daily oral magnesium oxide for at least 1 mo. The median treatment dose was 600 (500-800) mg/d. Patients were assessed by an interview and laboratory examination to determine possible hypermagnesemia. Serum magnesium concentration was also measured in sex- and age-matched control subjects (n = 38).
RESULTS: In the constipation group, serum magnesium concentration [2.4 (2.3-2.5) mg/dL, median and interquartile range] was significantly greater than that of the control group [2.2 (2.0-2.2) mg/dL] (P < 0.001). The highest value was 3.2 mg/dL. Renal magnesium clearance was significantly increased in the constipation group. Serum magnesium concentration in the constipation group decreased significantly with age (P < 0.01). There was no significant correlation between the serum level of magnesium and the duration of treatment with magnesium oxide or the daily dose. None of the patients had side effects associated with hypermagnesemia.
CONCLUSION: Serum magnesium concentration increased significantly, but not critically, after daily treatment with magnesium oxide in constipated children with normal renal function.
Maiko Tatsuki; Reiko Miyazawa; Takeshi Tomomasa; Takashi Ishige; Tomoko Nakazawa; Hirokazu Arakawa
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  World journal of gastroenterology : WJG     Volume:  17     ISSN:  2219-2840     ISO Abbreviation:  World J. Gastroenterol.     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-03-10     Completed Date:  2011-07-18     Revised Date:  2014-05-20    
Medline Journal Info:
Nlm Unique ID:  100883448     Medline TA:  World J Gastroenterol     Country:  China    
Other Details:
Languages:  eng     Pagination:  779-83     Citation Subset:  IM    
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MeSH Terms
Child, Preschool
Constipation / blood*,  drug therapy*
Laxatives / therapeutic use*
Magnesium / blood*
Magnesium Oxide / therapeutic use*
Reg. No./Substance:
0/Laxatives; 3A3U0GI71G/Magnesium Oxide; I38ZP9992A/Magnesium

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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