Paediatric optic neuritis: factors leading to unfavourable outcome and relapses

Delphine Averseng-Peaureaux1, Marie Mizzi2, Helene Colineaux3

  • 1Department of Neurology, Hôpital Pierre Paul Riquet, CHU Purpan, Toulouse, France.

Insights

Children aged 10+ with optic neuritis (ON) and optic disc pallor face poorer visual recovery, especially those diagnosed with multiple sclerosis (MS). Early identification aids treatment adaptation.

Area of Science:

  • Pediatric Neurology
  • Ophthalmology
  • Neuroimmunology

Background:

  • Optic neuritis (ON) in children can lead to long-term visual impairment and is sometimes associated with chronic relapsing diseases like multiple sclerosis (MS).
  • Identifying prognostic factors for poor visual recovery and disease relapse is crucial for managing pediatric ON.

Purpose of the Study:

  • To determine prognostic factors linked to suboptimal visual recovery and chronic relapsing conditions in children experiencing their first episode of optic neuritis.
  • To inform potential treatment strategies and guide future research in pediatric ON management.

Main Methods:

  • A multicenter retrospective study analyzed data from 102 children with a first ON episode (1990-2012).
  • Poor visual recovery was defined by visual acuity outcomes, and disease relapse was a secondary endpoint.
  • Statistical analysis identified factors associated with visual recovery and MS diagnosis.

Main Results:

  • Complete visual acuity recovery at 1 year was 71%, but significantly lower (27%) in children with MS.
  • Factors associated with poor visual recovery included age ≥10 years, optic disc pallor, and an MS diagnosis.
  • Age ≥10 years, abnormal brain MRI, and oligoclonal banding were linked to MS diagnosis.

Conclusions:

  • Children aged 10 and older, presenting with optic disc pallor, and diagnosed with MS are at higher risk for poor visual recovery after optic neuritis.
  • Early identification of these high-risk pediatric patients can facilitate tailored treatment approaches.
  • Findings support the need for prospective studies to optimize treatment protocols for pediatric optic neuritis.
Abstract

Related Concept Videos

Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
9.5K
Glaucoma: Overview01:25

Glaucoma: Overview

Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
1.5K
Open Angle Glaucoma: Treatment01:27

Open Angle Glaucoma: Treatment

In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
1.0K
Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
697
Angle Closure Glaucoma: Treatment01:28

Angle Closure Glaucoma: Treatment

Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
1.4K
Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
302