Balamuthia mandrillaris is a rare cause of human infection, but when infections do occur, they result in high rates of morbidity and mortality. A case of disseminated Balamuthia infection is presented. Early diagnosis and initiation of recommended therapy are essential for increased chances of successful outcomes.
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http://dx.doi.org/10.1128/JCM.01549-15 | DOI Listing |
J Vet Diagn Invest
October 2024
California Animal Health and Food Safety Laboratory System, University of California-Davis, San Bernardino, CA, USA.
A free-ranging, adult female two-toed sloth () was brought to a wildlife rescue center in Costa Rica with ocular and auricular myiasis and numerous skin lesions. After one month of unsuccessful systemic and topical antimicrobial treatment, the patient died. A postmortem examination was performed, and tissues were examined histologically, confirming disseminated amebic infection with intralesional trophozoites and cysts in the lungs, liver, eye, heart, spleen, and stomach.
View Article and Find Full Text PDFFront Microbiol
May 2023
Center for Tropical and Emerging Global Diseases, University of Georgia, Athens, GA, United States.
species, , and are opportunistic pathogens that cause a range of brain, skin, eye, and disseminated diseases in humans and animals. These pathogenic free-living amoebae (pFLA) are commonly misdiagnosed and have sub-optimal treatment regimens which contribute to the extremely high mortality rates (>90%) when they infect the central nervous system. To address the unmet medical need for effective therapeutics, we screened kinase inhibitor chemotypes against three pFLA using phenotypic drug assays involving CellTiter-Glo 2.
View Article and Find Full Text PDFJ Neurovirol
December 2022
Department of Neurology, Perelman School of Medicine, PCAM 765 South Tower, University of Pennsylvania, 3400 Convention Avenue, Philadelphia, PA, 19104, USA.
The report of death of a person from amebic meningoencephalitis, the proverbial "brain-eating ameba," Naegleria fowleri, acquired in a state park lake in Iowa in July 2022 has once again raised the seasonal alarms about this pathogen. While exceptionally rare, its nearly universal fatality rate has panicked the public and made for good copy for the news media. This review will address free-living ameba that have been identified as causing CNS invasion in man, namely, Naegleria fowleri, Acanthamoeba species, Balamuthia mandrillaris, and Sappinia diploidea (Table 1).
View Article and Find Full Text PDFMem Inst Oswaldo Cruz
July 2022
Universidade Federal de Minas Gerais, Faculdade de Farmácia, Departamento de Análises Clínicas e Toxicológicas, Belo Horizonte, MG, Brasil.
Free-living amoeba (FLA) group includes the potentially pathogenic genera Acanthamoeba, Naegleria, Balamuthia, Sappinia, and Vermamoeba, causative agents of human infections (encephalitis, keratitis, and disseminated diseases). In Brazil, the first report on pathogenic FLA was published in the 70s and showed meningoencephalitis caused by Naegleria spp. FLA studies are emerging, but no literature review is available to investigate this trend in Brazil critically.
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