Polyhexanide based contact lens storage fluids frequently exhibit insufficient antifungal activity against Fusarium species

Schrenker, Benedikt; Zimmermann, Anna; Koch, Thorsten; Walther, Grit; Martin, Ronny; Kampik, Daniel; Kurzai, Oliver; Theuersbacher, Johanna

doi:10.1016/j.ijmm.2024.151602

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2024

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Polihexanide

Kampf

2024

Antiseptic Stewardship

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Polihexanide

Kampf

2024

Antiseptic Stewardship

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Long-Term Prevalence of Fungal Keratitis at a Swiss Tertiary Eye Clinic

Bajka,

Said,

Quiblier

et al. 2024

Microorganisms

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Fungal keratitis is a rare yet severe infection of the cornea. Fungal species distribution depends on the climate and socioeconomic status and can show regional variation. This retrospective single-center study was conducted at a tertiary eye care center and the collaborating Institute of Medical Microbiology in Switzerland. On investigating all fungal-positive corneal scrapings and contact lens assessments of patients with keratitis from January 2012 to December 2023, 206 patients were identified, of which 113 (54.9%) were female. The median age was 38 (IQR 29.8, [18–93]), and 154 (74.8%) applied contact lenses. The most commonly found pathogen was Candida spp., followed by Fusarium spp. Molds were 1.8 times more common than yeasts. Linear regression showed no significant increase or decrease in the infection rate over time (p = 0.5). In addition, 10 patients (4.9%) were found to have coinfections with Acanthamoeba, 11 (5.3%) with HSV-1, none with HSV-2, and 4 (1.9%) with VZV. This study provides a long-term overview of fungal-positive corneal scrapings and contact lens specimens of patients with fungal keratitis. Based on our results, coinfections with Acanthamoeba, HSV, and VZV are frequent, especially in patients wearing contact lenses. Thus, wearing contact lenses may facilitate coinfection in fungal keratitis.

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Polyhexanide based contact lens storage fluids frequently exhibit insufficient antifungal activity against Fusarium species

Cited by 2 publications

References 23 publications

Polihexanide

Polihexanide

Long-Term Prevalence of Fungal Keratitis at a Swiss Tertiary Eye Clinic

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