Retrospective view on fungal and bacterial profile in the suspected cases of keratitis

Purpose: To study the microbial profile in the cases of keratitis. Materials and Methods: Retrospective cross-sectional study conducted during the period of January 2018 to January 2019. Corneal scrapping from suspected case of keratitis were subjected for microscopy and culture. Growth was examined for wet mount, colony morphology from culture tubes and plates, susceptibility of gram negative and gram-positive organism was done according to standard protocol (CLSI 2018). Result: In our study total of 239 samples, 17(7.1%) samples were only Microscopy positive, 69 (28.8%) samples were bacterial culture positive and 43 (17.9%) were fungal culture positive. Organisms isolated from bacterial culture were Staph, Pseudo, E. coli, Proteus, Enterobacter and Klebsiella species. Aspergillus, Fusarium, Microsporum, Curvalaria & Candida spp were isolated from fungal culture. No mixed growth was observed in our study. Conclusion: In our study we found about 28.8% of cases were positive for bacterial growth. Clinicians usually neglect bacterial cause of keratitis, so a good microbiological investigation play major role in management of corneal infection. Keywords: CLSI- Clinical & Laboratory, Standards Institute, Scrapping, Keratitis.

[1]  Umang Mathur,et al.  Delhi Infectious Keratitis Study: Update on Clinico-Microbiological Profile and Outcomes of Infectious Keratitis , 2020, Journal of current ophthalmology.

[2]  Savitri Sharma,et al.  Types of organisms and in-vitro susceptibility of bacterial isolates from patients with microbial keratitis: A trend analysis of 8 years , 2019, Indian journal of ophthalmology.

[3]  M. Thapa,et al.  Evaluation of risk factors and treatment outcome of microbial keratitis in a tertiary eye center , 2018 .

[4]  N. Chayani,et al.  Epidemiological profile of mycotic keratitis in a tertiary care center of eastern Odisha , 2018 .

[5]  J. Rose-Nussbaumer,et al.  Update on the Management of Infectious Keratitis. , 2017, Ophthalmology.

[6]  A. Navas,et al.  Trends in Microbiological and Antibiotic Sensitivity Patterns in Infectious Keratitis: 10-Year Experience in Mexico City , 2015, Cornea.

[7]  K. To,et al.  Predisposing Factors, Microbial Characteristics, and Clinical Outcome of Microbial Keratitis in a Tertiary Centre in Hong Kong: A 10-Year Experience , 2015, Journal of ophthalmology.

[8]  V. Srivastava,et al.  A review of fungal keratitis: etiology and laboratory diagnosis , 2013 .

[9]  L. Foster,et al.  Send Orders of Reprints at Bspsaif@emirates.net.ae Diversity of Microbial Species Implicated in Keratitis: a Review , 2022 .

[10]  M. Srinivasan,et al.  Seasonal Trends of Microbial Keratitis in South India , 2012, Cornea.

[11]  H. Taylor,et al.  Microbial Keratitis: Predisposing Factors and Morbidity , 2006 .

[12]  L. Laroche,et al.  Bacterial keratitis: predisposing factors, clinical and microbiological review of 300 cases , 2003, The British journal of ophthalmology.

[13]  M. Srinivasan,et al.  Epidemiology and aetiological diagnosis of corneal ulceration in Madurai, south India , 1997, The British journal of ophthalmology.

[14]  R. Arffa Grayson's Diseases of the Cornea , 1991 .

[15]  B. Jones,et al.  Principles in the management of oculomycosis. XXXI Edward Jackson memorial lecture. , 1975, American journal of ophthalmology.