Pediatric Ocular Toxocariasis in Costa Rica: 1998-2018 Experience

Ocul Immunol Inflamm. 2021 Nov 17;29(7-8):1246-1251. doi: 10.1080/09273948.2020.1792513. Epub 2020 Aug 18.

Abstract

Purpose: To report the epidemiology, clinical characteristics, treatment and outcomes of patients with ocular toxocariasis.

Methods: Retrospective review of patients diagnosed with ocular toxocariasis at a pediatric referral center from 1998 until 2018 in Costa Rica.

Results: 157 patients were diagnosed with ocular toxocariasis with a mean follow-up of 3.1 years. The mean age at presentation was 6.7 years old. The most common causes of consultation included decreased vision (29.9%), strabismus (26.7%), and leukocoria (19.7%). The most common findings included peripheral granuloma, posterior pole granuloma, and chronic endophthalmitis. Sixty-nine (43.9%) eyes had retinal detachment. Patients were managed with a variety of treatments including pars plana vitrectomy, systemic corticosteroids, anti-helminthic drugs or a combination of these. Most eyes did not exhibit functional improvement despite treatment.

Conclusions: Most patients with pediatric ocular toxocariasis in Costa Rica often present late and despite treatment, most remain with poor vision in the affected eye.

Keywords: Toxocariasis; leukocoria; pediatric uveitis; strabismus; tractional retinal detachment.

MeSH terms

  • Adolescent
  • Anthelmintics / therapeutic use
  • Child
  • Child, Preschool
  • Costa Rica / epidemiology
  • Endophthalmitis / diagnosis
  • Endophthalmitis / epidemiology
  • Eye Infections, Parasitic / diagnosis
  • Eye Infections, Parasitic / drug therapy
  • Eye Infections, Parasitic / epidemiology*
  • Female
  • Glucocorticoids / therapeutic use
  • Granuloma / diagnosis
  • Granuloma / epidemiology
  • Humans
  • Infant
  • Male
  • Retrospective Studies
  • Strabismus / diagnosis
  • Strabismus / epidemiology
  • Toxocariasis / diagnosis
  • Toxocariasis / drug therapy
  • Toxocariasis / epidemiology*
  • Vision Disorders / diagnosis
  • Vision Disorders / epidemiology
  • Vitrectomy

Substances

  • Anthelmintics
  • Glucocorticoids