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Pediatric Surgery International

, Volume 28, Issue 8, pp 805–814 | Cite as

Severe hyperphosphatemia after administration of sodium-phosphate containing laxatives in children: case series and systematic review of literature

  • Hannah N. LadenhaufEmail author
  • Ottokar Stundner
  • Florian Spreitzhofer
  • Stefan Deluggi
Original Article

Abstract

Introduction

Sodium phosphate-containing laxatives are commonly used as first-line treatment option for constipation in children and adolescents. Hyperphosphatemia is an infrequent, but potentially life-threatening complication of laxative application.

Methods

We report a case series of three children exhibiting severe hyperphosphatemia and hypocalcemia after utilization of sodium phosphate-containing laxatives, necessitating intensive care services in two of three cases. Additionally, we reviewed 32 case reports of similar occurrences.

Results

We identified 28 publications on the subject dating from 1968 to 2010. Mean age of all children in reports was 2.83 years; sex was approximately equally distributed. While 18 patients suffered from either pre-existing gastrointestinal comorbidity or other major systemic disease, no or only unrelated, minor conditions were present in ten children. One-third of patients received laxatives repeatedly before the incident. Findings associated with hyperphosphatemia include lethargy, dizziness, stiffness, tachypnea, tachycardia and severe dehydration in almost all cases, and tetany, carpopedal spasm, and prolonged QT interval in a subset. While about 80% of children recovered without residual findings, three deceased and one incurred persistent hypoxic brain damage.

Conclusion

Physicians should be alerted to the possibility of phosphate toxicity in children and adolescents treated with laxatives.

Keywords

Hyperphosphatemia Hypocalcemia Laxative Constipation Pediatric 

Notes

Conflict of interest

No institutional, governmental or private funding was received for the production of this case series and systematic review by either of the authors. The authors declare that they and their family members have no conflict of interest.

Ethical standard

The ethics committee for the province of Salzburg exempted this case series from review and approved its publication.

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Copyright information

© Springer-Verlag 2012

Authors and Affiliations

  • Hannah N. Ladenhauf
    • 1
    Email author
  • Ottokar Stundner
    • 2
  • Florian Spreitzhofer
    • 1
  • Stefan Deluggi
    • 1
  1. 1.Department of Pediatric and Adolescent SurgeryUniversity Hospital SalzburgSalzburgAustria
  2. 2.Department of AnesthesiologyUniversity Hospital SalzburgSalzburgAustria

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