Purpose: To report the first case of fungal keratitis caused by presumed Carpoligna species.
Methods: A 37-year-old gardener sustained a full-thickness, stellate corneal laceration while cutting wood outdoors with a circular saw. Two months after surgical repair, he developed a severe infectious keratitis with descemetocoele at the apex of the original stellate laceration.
Results: Culture results confirmed fungal elements without evidence of bacteria. Oral and topical voriconazole were initiated. Due to compliance and cost issues, voriconazole was replaced with natamycin 5% prior to discharge from hospital. The patient improved and healed without perforation. The patient was left with a central stromal scar. DNA extraction from the fungal colony allowed PCR amplification of the 28s ribosomal RNA region of the fungus that led to the diagnosis of Carpoligna pleurothecii. Corticosteroids were never used during the patient's treatment.
Conclusion: This is the first reported case of infectious keratitis caused by presumed Carpoligna species. The treatment for Carpoligna pleurothecii keratitis includes voriconazole, natamycin, and possibly amphotericin B.
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http://dx.doi.org/10.1097/ICO.0b013e3181af3954 | DOI Listing |
Viruses
November 2024
Department of Microbiology, University of Washington School of Medicine, Seattle, WA 98109, USA.
Certain species D human adenoviruses (HAdV-D19, -D37, and -D64) are causative agents of epidemic keratoconjunctivitis. HAdV-D37 has previously been shown to bind CD46 (membrane cofactor protein) and sialic acid as adhesion receptors. HAdV-D64 is genetically highly similar to HAdV-D37, with an identical fiber protein sequence, but differs substantially in its penton base and hexon proteins, two other major capsid components, due to genetic recombination.
View Article and Find Full Text PDFMicroorganisms
November 2024
Laser Eye Microsurgery Centre Clinic of Prof. Jerzy Szaflik, 00-215 Warsaw, Poland.
Background: Diseases in humans caused by amphizoic amoebae that can result in visual impairment and even blindness, have recently been identified more frequently worldwide. Etiologically complex incidents of keratitis, including those connected with strains detected in Poland, were evaluated in this study.
Methods: Corneal samples from cases resistant to antimicrobial therapy assessed for epidemiological, microbiological and parasitological aspects were investigated by phase-contrast microscope, slit lamp and by confocal microscopy.
Biomedicines
December 2024
Department of Gastroenterology, The Royal Wolverhampton NHS Trust, Wolverhampton WV10 0QP, UK.
Inflammatory bowel disease (IBD) is a complex, multisystemic disease and is associated with ocular pathology in 4-12% of patients. In general, ocular disease affects Crohn's patients more frequently than those with ulcerative colitis. Episcleritis and uveitis are the most common presentations, with episcleritis often correlating with IBD flares, whereas uveitis presents independently of IBD activity and, in some cases, may even alert clinicians to a new diagnosis of IBD.
View Article and Find Full Text PDFAntibiotics (Basel)
December 2024
Beijing Institute of Ophthalmology, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing 100005, China.
Our aim was to investigate risk factors, clinical characteristics, and antibiotic susceptibility patterns of cornea-isolated species collected at a tertiary hospital in China over 18 years. This retrospective study reviewed data from 350 patients diagnosed with keratitis at Beijing Tongren Hospital between January 2006 and December 2023, including demographics, risk factors, clinical signs, in vivo confocal microscopy (IVCM) imaging, and antibiotic susceptibility testing. The predominant type was (n = 108, 29.
View Article and Find Full Text PDFFront Med (Lausanne)
December 2024
Department of Ophthalmology, Ningbo Yinzhou No.2 Hospital, Ningbo Urology and Nephrology Hospital, Ningbo, Zhejiang, China.
Background: We report a rare case of fungal keratitis caused by , a filamentous fungus that is widely distributed in soil and graminaceous plants.
Case Presentation: A 40-year-old Mongoloid male patient came to our outpatient clinic with painful swelling of the left eye and redness, after being cut by a tree branch 1 week prior. After examination, the patient was diagnosed with a corneal ulcer of the left eye, and was given levofloxacin eye drops and levofloxacin ophthalmic gel.
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