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Purpose <p>To assess the spectrum of organisms causing microbial keratitis and their in-vitro anti-microbial sensitivities out of 2 hospitals in the East Midlands Region of the United Kingdom.</p> Methods <p>A retrospective review was undertaken of all patients who underwent corneal scrapes for infectious keratitis between 2011 and 2021 at Royal Derby Hospital (RDH) in Derby and between 2009 and 2021 at King’s Mill Hospital in Mansfield.</p> Results <p>In total, the results of 645 corneal scrapes (from 622 patients) were analysed after exclusions. Of these, 307 (47.6%) yielded positive cultures. The mean patient age was 52.6 ± 22.1&#xa0;years (Mean ± St Dev) across both sites and 332 (51.4%) were from female patients. At RDH, there were 195 positive corneal scrape cultures, from which 250 species of organisms were isolated. At RDH, 64% (160/250) were Gram-positive bacteria, 32% (81/250) were Gram-negative bacteria, 2.4% (6/250) were Acanthamoeba species and 1.2% were fungi (3/250). At KMH, there were 112 positive cultures, from which 128 species of organisms were isolated. 14 corneal scrapes from KMH were polymicrobial. At KMH, 96% (123/128) were bacterial (51% Gram positive, 45% Gram negative), 3/128 (2.3%) were fungi and 2/128 (1.6%) were Acanthamoeba. Sensitivity testing confirmed that the fluoroquinolone class of antibiotics appeared to be effective against the majority isolates across the two hospital sites.</p> Conclusion <p>There are differences in microbiological profiles between these neighbouring hospitals covering neighbouring populations. Despite these differences, reassuringly, the current first-line fluoroquinolone monotherapy treatment is an appropriate first-line treatment for both hospital sites.</p>

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Microbiological profiles of infectious corneal ulcers in Derbyshire and North Nottinghamshire—a 10-year analysis

  • 期刊论文

  • 发表日期：

    2025年1月31日

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  • Balázs Fazekas,
  • Delicia Jayakumar,
  • Harminder Singh Dua,
  • Lana Faraj

摘要

Purpose

To assess the spectrum of organisms causing microbial keratitis and their in-vitro anti-microbial sensitivities out of 2 hospitals in the East Midlands Region of the United Kingdom.

Methods

A retrospective review was undertaken of all patients who underwent corneal scrapes for infectious keratitis between 2011 and 2021 at Royal Derby Hospital (RDH) in Derby and between 2009 and 2021 at King’s Mill Hospital in Mansfield.

Results

In total, the results of 645 corneal scrapes (from 622 patients) were analysed after exclusions. Of these, 307 (47.6%) yielded positive cultures. The mean patient age was 52.6 ± 22.1 years (Mean ± St Dev) across both sites and 332 (51.4%) were from female patients. At RDH, there were 195 positive corneal scrape cultures, from which 250 species of organisms were isolated. At RDH, 64% (160/250) were Gram-positive bacteria, 32% (81/250) were Gram-negative bacteria, 2.4% (6/250) were Acanthamoeba species and 1.2% were fungi (3/250). At KMH, there were 112 positive cultures, from which 128 species of organisms were isolated. 14 corneal scrapes from KMH were polymicrobial. At KMH, 96% (123/128) were bacterial (51% Gram positive, 45% Gram negative), 3/128 (2.3%) were fungi and 2/128 (1.6%) were Acanthamoeba. Sensitivity testing confirmed that the fluoroquinolone class of antibiotics appeared to be effective against the majority isolates across the two hospital sites.

Conclusion

There are differences in microbiological profiles between these neighbouring hospitals covering neighbouring populations. Despite these differences, reassuringly, the current first-line fluoroquinolone monotherapy treatment is an appropriate first-line treatment for both hospital sites.