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A Neonatal Imaging Model of Gram-Negative Bacterial Sepsis
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Neonatal infectious keratitis.

Sunita Chaurasia1, Muralidhar Ramappa, Jatin Ashar

  • 1*Cornea and Anterior Segment Services, L. V. Prasad Eye Institute, Hyderabad, India; and †Jhaveri Microbiology Center, L. V. Prasad Eye Institute, Hyderabad, India.

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|May 27, 2014
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Summary
This summary is machine-generated.

Neonatal infectious keratitis is often linked to prematurity and NICU care. Pseudomonas aeruginosa, frequently multidrug-resistant, is a common cause, but most cases resolve with medical treatment.

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Area of Science:

  • Ophthalmology
  • Neonatology
  • Infectious Diseases

Background:

  • Neonatal infectious keratitis poses a significant threat to vision in newborns.
  • Understanding predisposing factors and microbial profiles is crucial for effective management.

Purpose of the Study:

  • To identify predisposing factors for neonatal infectious keratitis.
  • To characterize the clinico-microbiological profile of neonatal keratitis.
  • To evaluate treatment outcomes for neonatal infectious keratitis.

Main Methods:

  • Retrospective analysis of 39 eyes from 34 neonates treated for microbial keratitis.
  • Evaluation of etiologic microorganisms, predisposing factors, and management outcomes.
  • Microbiology workup including smear, culture, immunofluorescent assay, and PCR for HSV.

Main Results:

  • Common risk factors included prematurity, prolonged NICU stay, and maternal infections.
  • Bacteria were the most frequent cause (59%), with Pseudomonas aeruginosa being the predominant isolate (52%).
  • Multidrug-resistant Pseudomonas keratitis occurred in 67% of bacterial cases, with varied severe outcomes.

Conclusions:

  • Early recognition and treatment of neonatal microbial keratitis can be improved by understanding risk factors and microbial epidemiology.
  • Prompt medical management led to resolution in most cases, though some required surgical intervention.
  • The study highlights the challenge of multidrug-resistant organisms in neonatal keratitis.