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Rat Model of Photochemically-Induced Posterior Ischemic Optic Neuropathy
Published on: November 29, 2015
Ischemic optic neuropathy in a child
Lalitha Sivaswamy1, Gregory P Vanstavern
1Department of Pediatrics and Neurology, Children's Hospital of Michigan, Detroit, Michigan 48201, USA. lsivaswamy@med.wayne.edu
Insights
Nonarteritic anterior ischemic optic neuropathy is a rare childhood complication, particularly during sildenafil citrate therapy for pulmonary hypertension. This case highlights potential pediatric ocular risks associated with this medication.
Area of Science:
- Ophthalmology
- Pediatric Cardiology
- Pharmacology
Background:
- Nonarteritic anterior ischemic optic neuropathy (NAION) is uncommon in children, typically linked to surgery or hypovolemia.
- Sildenafil citrate is increasingly used for pediatric pulmonary hypertension, but its ocular side effects in children are not well-documented.
Observation:
- A pediatric patient developed NAION during sildenafil citrate treatment for pulmonary hypertension.
- This presentation is unusual given the typical causes of NAION in children.
Findings:
- The case suggests a potential link between sildenafil citrate and NAION in pediatric patients.
- Ocular complications of sildenafil are more extensively reported in adults than in children.
Implications:
- This report underscores the need for vigilance regarding potential ophthalmologic complications of sildenafil citrate in pediatric populations.
- Further research is warranted to elucidate the pathophysiology and incidence of NAION in children receiving sildenafil.
- Clinicians should consider NAION in pediatric patients presenting with sudden vision loss during sildenafil therapy.
Abstract:
Nonarteritic ischemic optic neuropathy is a rare event in childhood, occurring mostly in the setting of major surgical procedures or hypovolemia. We report on a child who presented with this unusual complication during the course of therapy with sildenafil citrate, which is gaining acceptance as a treatment modality for pulmonary hypertension in the pediatric age group. The ocular complications of this drug have been widely reported in the adult literature, but there are sparse reports, if any, in the pediatric age group. The likely pathophysiology of this condition is reviewed, as are the other ophthalmologic complications of this drug.
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