نتایج جستجو برای: amoebic keratitis
تعداد نتایج: 6199 فیلتر نتایج به سال:
Acanthamoeba is a free-living amoeba that is an opportunistic pathogen of humans and animals. Its prognosis is potentially poor that requires fast diagnosis and successful treatment. There are two phases in its life cycle: an active trophozoite form and the double-walled resistant cyst. This amoebic genus is the causative agent of two severe diseases in humans: Acanthamoeba keratitis (AK) and ...
BACKGROUND Poor hygiene will provide good condition for corneal infections by opportunistic free-living amoebae (FLA) in soft contact lens wearers. In the present study an amoebic keratitis due to Hartmannella has been recognized in a 22-year-old girl with a history of improper soft contact lens use. She had unilateral keratitis on her left eye. Her clinical signs were eye pain, redness, blurre...
BACKGROUND Free-living amoeba (FLA)-related keratitis is a progressive infection of the cornea with poor prognosis. The present study aimed to investigates the contact lenses of patients with keratitis for pathogenic free-living amoebae. METHODS Overall, 62 contact lenses and their paraphernalia of patients with keratitis cultured and tested for the presence of free-living amoebae using morph...
background: free-living amoeba (fla)-related keratitis is a progressive infection of the cornea with poor prognosis. the present study aimed to investigates the contact lenses of patients with keratitis for pathogenic free-living amoebae. methods: overall, 62 contact lenses and their paraphernalia of patients with keratitis cultured and tested for the presence of free-living amoebae using mor...
Amoebae of the genus Acanthamoeba are etiological agents amoebic keratitis, for which up to now there is no treatment choice and one its main risk factors use contact lenses, including cosmetic lenses. Recently has been an increase in keratitis cases due Therefore, having a solution care lenses with efficient disinfectant effect that prevents adhesion trophozoites becomes essential. This study ...
Background and Objective: Acanthamoeba is a free-living and opportunistic amoeba found in the water, soil, and air. This amoeba causes granulomatous amoebic encephalitis in the immunocompromised patients and amoebic keratitis in the people using contact lenses. The genotypes of Acanthamoeba are pathogenic and non-pathogenic. Regarding this, the present study aimed to determine the fre...
Free-living amoebae cause three well-defined disease entities: a rapidly fatal primary meningoencephalitis, a chronic granulomatous amoebic encephalitis (GAE), and a chronic amoebic keratitis. GAE occurs in immunocompromised persons. Recently, another type of free-living amoeba, Balamuthia mandrillaris, has been shown to cause GAE. The finding that this amoeba has caused infection in some healt...
The free-living amoeba (FLA) group of protozoa that can be found in various types conditions nature, one which is the genus Acanthamoeba. Although, number infections caused by this protozoan low, diagnosis was still difficult to confirm and therefore there were a higher mortality, especially those associated with encephalitis. This review presents some information about biology, pathogenesis, c...
The taxonomy of Acanthamoeba spp., an amphizoic amoeba which causes granulomatous amoebic encephalitis and chronic amoebic keratitis, has been revised many times. The taxonomic validity of some species has yet to be assessed. In this paper, we analyzed the morphological characteristics, nuclear 18s rDNA and mitochondrial 16s rDNA sequences and the Mt DNA RFLP of the type strains of four Acantha...
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