A severe Morganella morganii endophthalmitis; followed by bacteremia

Tayfur Demiray1, Ozlem Akkaya Aydemir1, Mehmet Koroglu2

  • 1Department of Clinical Microbiology, Sakarya Research and Training Hospital, Sakarya, Turkey.

Insights

This case report details a rare nosocomial infection caused by Morganella morganii, initially presenting as conjunctivitis and progressing to bacteremia. The bacteria showed resistance to common antibiotics, highlighting the need for vigilant diagnosis and treatment strategies.

Area of Science:

  • Microbiology
  • Infectious Diseases
  • Ophthalmology

Background:

  • Morganella morganii is infrequently implicated in nosocomial infections.
  • Postoperative infections by Morganella species can lead to severe ocular sequelae.

Observation:

  • A severe case of Morganella morganii subsp. morganii infection initially manifested as conjunctivitis.
  • The infection subsequently complicated into bacteremia, with the pathogen isolated from both conjunctival and blood cultures.

Findings:

  • The Morganella morganii isolate exhibited resistance to cephalosporins and carbapenems.
  • Extended-spectrum beta-lactamase (ESBL) production was identified in the isolate.
  • The patient was successfully treated with intravenous ciprofloxacin based on antimicrobial susceptibility testing.

Implications:

  • This is the first documented case of M. morganii presenting as a localized infection that progressed to bacteremia.
  • Highlights the potential for severe outcomes and the importance of early detection and appropriate antibiotic selection for M. morganii infections.

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