Stenotrophomonas maltophilia endophthalmitis following keratoplasty

Bilge Tarım1, Mücella Arıkan Yorgun2, Birsen Özdem3

  • 1Department of Ophthalmology, University of Health Sciences, Ankara Bilkent City Hospital, Ankara, Turkey. bilge_basciftci@hotmail.com.

Insights

Stenotrophomonas maltophilia is a rare cause of endophthalmitis. This case highlights a rare instance of S. maltophilia endophthalmitis occurring after a keratoplasty procedure.

Area of Science:

  • Ophthalmology
  • Infectious Diseases
  • Microbiology

Background:

  • Endophthalmitis is a severe intraocular infection posing a significant threat to vision.
  • Various microorganisms can cause endophthalmitis, with some being more common than others.
  • Stenotrophomonas maltophilia is an opportunistic pathogen occasionally implicated in endophthalmitis, typically following procedures like cataract surgery, intravitreal injections, or ocular trauma.

Purpose of the Study:

  • To report a rare case of endophthalmitis caused by Stenotrophomonas maltophilia.
  • To document this infection in the context of a specific ocular procedure: keratoplasty.
  • To contribute to the understanding of rare microbial causes of post-keratoplasty endophthalmitis.

Main Methods:

  • Case report of a 63-year-old female patient.
  • Clinical presentation and microbiological investigation of endophthalmitis.
  • Review of literature regarding Stenotrophomonas maltophilia endophthalmitis, particularly post-keratoplasty.

Main Results:

  • The patient developed endophthalmitis following a keratoplasty procedure.
  • The causative agent was identified as Stenotrophomonas maltophilia.
  • This represents a rare occurrence of S. maltophilia-induced endophthalmitis after corneal transplantation.

Conclusions:

  • Stenotrophomonas maltophilia can be a cause of endophthalmitis, even after keratoplasty.
  • Ophthalmologists should consider a broad range of microorganisms, including rare pathogens like S. maltophilia, in cases of post-keratoplasty endophthalmitis.
  • Further investigation into risk factors and management strategies for S. maltophilia endophthalmitis post-keratoplasty may be warranted.