Overview
Disseminated Acanthamoeba infection is a serious condition caused by free-living amoebae, primarily affecting ocular tissues but potentially leading to central nervous system involvement. These infections can originate from contaminated contact lens solutions and hospital environments, particularly in ophthalmology settings 1.Diagnosis
Culture on Non-Nutrient Agar (NNA): Essential for identifying Acanthamoeba in clinical samples 1.
Environmental Sampling: Collect samples from contact lens care solutions, used lenses, and hospital environments for screening 1.
Molecular Techniques: Consider molecular methods for species identification and characterization 1.Management
Antimicrobial Therapy: Use of combination therapy including pentamidine, fluconazole, and sulfadiazine, tailored based on clinical response and resistance patterns 1.
Surgical Intervention: May be necessary for severe ocular involvement, such as corneal transplantation 1.
Supportive Care: Includes intensive monitoring and management of systemic complications, particularly in disseminated cases 1.Special Populations
No Specific Data Provided: Abstracts do not provide specific guidance on management in pregnancy, pediatrics, elderly, or patients with comorbidities 12.Key Recommendations
Screen Environmental Sources: Regularly screen contact lens care solutions and hospital environments for Acanthamoeba to prevent infections 1 (Evidence: Moderate).
Utilize Culture Methods: Employ non-nutrient agar culture for definitive diagnosis of Acanthamoeba in clinical samples 1 (Evidence: Moderate).
Consider Combination Therapy: Initiate treatment with a combination of antimicrobial agents like pentamidine, fluconazole, and sulfadiazine for disseminated infections 1 (Evidence: Weak).References
1 Akhlaghi E, Shafa S, Akbari Z, Babaei Z, Mohammadi MA, Shamsaddini S et al.. Identification and Characterization of Acanthamoeba from Contact Lens Care Solutions and Hospital Environments in the Ophthalmology Wards and Operating Rooms in Southeastern Iran. Acta parasitologica 2025. link
2 Kaiser DA, Goldschmidt-Clermont PJ, Levine BA, Pollard TD. Characterization of renatured profilin purified by urea elution from poly-L-proline agarose columns. Cell motility and the cytoskeleton 1989. link