Chronic post-operative iris prosthesis endophthalmitis in a patient with traumatic aniridia: a case report

Kevin C. Firl, Sandra R. Montezuma

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

BACKGROUND: Post-operative endophthalmitis is a serious complication of intraocular surgery which may present acutely or chronically. Chronic post-operative endophthalmitis is characterized by decreased visual acuity, mild pain, and low-grade uveitis several weeks or months after intraocular surgery which may be responsive to corticosteroids, but recur upon tapering. Low virulence organisms such as Propionibacterium acnes are the most common culprit organisms, and treatment most often consists of both intravitreal antibiotic injections and surgery. Aniridia is a condition defined by total or partial loss of the iris and leads to decreased visual quality marked by glare and photophobia. Treatment of complex or severe cases of traumatic aniridia in which surgical repair is difficult may consist of implantation of iris prostheses, devices designed to reduce symptoms of aniridia. Though chronic, post-operative endophthalmitis has been associated with most intraocular surgeries including intraocular lens implantation after cataract removal, it has never been described in a patient with an iris prosthesis.

CASE PRESENTATION: In this case report, we describe the case of a 49 year old, male construction worker with traumatic aniridia who experienced chronic, recurrent low-grade intraocular inflammation and irritation for months after implantation of the Ophtec 311 prosthetic iris. Symptoms and signs of inflammation improved temporarily with sub-Tenon's capsule triamcinolone injections. Ultimately after more than 2 post-operative years, the iris prosthesis was explanted, and intravitreal cultures showed P. acnes growth after 5 days. Intravitreal antibiotics treated the infection successfully.

CONCLUSIONS: To our knowledge, this is the first reported case of chronic, post-operative endophthalmitis in a patient with an iris prosthesis. Chronic, post-operative endophthalmitis may be a difficult to identify in the context of traumatic aniridia and iris prosthesis implantation due to other potential etiologies of chronic intraocular inflammation such as implant-induced chafing. Clinicians should suspect chronic, post-operative endophthalmitis in any case of recurrent, low-grade intraocular inflammation.

Original languageEnglish (US)
Number of pages1
JournalBMC Ophthalmology
Volume16
Issue number1
StatePublished - Nov 9 2016

Keywords

  • Case report
  • Chronic post-operative endophthalmitis
  • Iris prosthesis
  • Propionibacterium acnes

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