Gutted: constipation in children with chronic kidney disease and on dialysis

Mandy Wan1,2, Lillian King3, Natasha Baugh3

  • 1Evelina Pharmacy Department, Evelina London Children's Hospital, NHS Foundation Trust, Guy's and St ThomasWestminster Bridge Road, London, SE1 7EH, UK. mandy.wan@gstt.nhs.uk.

Insights

Functional constipation is common in children, especially those with chronic kidney disease (CKD). Effective management is crucial due to unique risk factors and potential gut-kidney interactions in pediatric CKD patients.

Area of Science:

  • Pediatric Nephrology
  • Gastroenterology
  • Gut Microbiome Research

Background:

  • Functional constipation presents unique challenges for children with chronic kidney disease (CKD).
  • CKD patients face additional risks from uremic toxins, dietary/fluid restrictions, reduced activity, and polypharmacy.
  • Constipation significantly impacts pediatric CKD patients and their caregivers, potentially affecting dialysis efficacy.

Approach:

  • This review synthesizes current knowledge on functional constipation in pediatric CKD.
  • It examines the pathophysiology, diagnosis, and epidemiology of constipation in this vulnerable population.
  • The review discusses therapeutic strategies and highlights management challenges.

Key Points:

  • A bidirectional relationship may exist between constipation and CKD, possibly involving gut dysbiosis and increased uremic toxin production.
  • Gut dysbiosis can lead to increased intestinal permeability, systemic inflammation, and contribute to CKD progression.
  • Severe constipation can impair peritoneal dialysis catheter function and ultrafiltration efficiency.

Conclusions:

  • Effective constipation management is essential for pediatric CKD patients.
  • Further research is needed on the safety and efficacy of constipation treatments in children with CKD.
  • Addressing constipation may mitigate systemic inflammation and improve outcomes in pediatric CKD.

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