在微生物角质炎中快速识别Aspergillus物种
Rameshkumar Gunasekaran1, Abinaya Chandrasekaran2, Karpagam Rajarathinam1
1Department of Ocular Microbiology, Aravind Eye Hospital and Postgraduate Institute of Ophthalmology, Madurai, Tamil Nadu, India.
JAMA ophthalmology
|September 28, 2023
概括
一种Aspergillus特异的侧流装置 (AspLFD) 在从角膜样本诊断真菌角膜炎时显示出高准确度. 这种快速诊断工具对于在服务不足的地区及时治疗微生物角质炎至关重要.
科学领域:
- 眼科医生 眼科 眼科
- 医学诊断 医学诊断 医学诊断
- 菌类学 菌类学是指菌类学.
背景情况:
- 微生物角膜炎 (MK) 是视力损失的重要原因,特别是在低收入和中等收入国家.
- 对于MK来说,急需快速的临床诊断工具,以改善患者的治疗结果.
研究的目的:
- 评估Aspergillus特异侧流装置 (AspLFD) 的诊断性能.
- 检测角膜和片样本中Aspergillus物种从MK患者.
主要方法:
- 在印度进行了一项诊断研究,涉及疑似微生物角膜炎的患者.
- 用AspLFD分析 Corneal scrape和swab样本,并与培养结果进行比较.
- 用一种新的比度方法来分析LFD结果的智能手机图像.
主要成果:
- AspLFD在角膜擦除 (准确率:0.94) 和擦拭样本 (准确率:0.88) 中都显示出高灵敏度和准确度的检测Aspergillus.
- 在两种样本类型中都观察到高负预测值和低负概率比.
- 培养结果在17.7%的取样本和42.5%的拭子样本中证实了阿斯伯吉洛斯.
结论:
- 与比度分析相结合的AspLFD提供了一种非常准确的方法,用于在角膜样本中识别Aspergillus.
- 这种诊断方法代表着迈向MK可访问的临床检测的重大进展.
- 这些发现可以指导真菌角膜炎的临床管理策略.
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