Visual loss caused by pseudotumor cerebri in an infant on peritoneal dialysis

A Belson1, D M Alcorn, P D Yorgin

  • 1Department of Pediatrics, Stanford University School of Medicine, Palo Alto, CA 94305, USA. amir.belson@stanford.edu

Insights

Infants with chronic renal insufficiency face risks for pseudotumor cerebri (PTC). Early diagnosis is crucial to prevent vision loss in these non-verbal patients.

Area of Science:

  • Pediatric Nephrology
  • Ophthalmology
  • Neurology

Background:

  • Infants with chronic renal insufficiency present unique challenges for diagnosing conditions like pseudotumor cerebri (PTC).
  • Their inability to verbalize symptoms increases the risk of delayed diagnosis and adverse outcomes.
  • Peritoneal dialysis in infants is associated with specific risk factors that warrant careful monitoring.

Observation:

  • A 13-month-old infant on peritoneal dialysis developed acute vision loss.
  • The infant presented with signs suggestive of increased intracranial pressure, including torticollis and inattentiveness.
  • No central nervous system infection or inflammation was identified as the cause.

Findings:

  • The infant's vision loss was diagnosed as secondary to pseudotumor cerebri (PTC).
  • PTC in infants can manifest with subtle neurological signs such as torticollis, inattentiveness, impaired visual tracking, facial paresis, or strabismus.
  • This case highlights the potential for PTC in infants with chronic renal insufficiency.

Implications:

  • Physicians caring for infants with renal failure must maintain a high index of suspicion for PTC.
  • Prompt diagnosis and management of PTC are essential to prevent irreversible visual impairment in affected infants.
  • Awareness of PTC symptoms in non-verbal infants is critical for timely intervention and improved patient outcomes.

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