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https://www.selleckchem.com/products/pqr309-bimiralisib.html Four cases of tuberculous otitis media in children are reported. One case presented with a postaural fistula, another case with signs of meningeal irritation and ear discharge and two cases as chronic otitis media refractory to conventional treatment. All patients underwent modified radical mastoidectomy and the diagnosis was made postoperativelyby histopathology in three cases and Ziehl-Neelson stainig of the discharge from the mastoid cavity in one. Clinical presentation and management of the cases are discussed. Tuberculosis should be considered in the diagnosis of children with chronic otitis media not responding to conventional antibiotic treatment.Targeted chemotherapy along with surgery provides rapid and complete healing.Microbial drug-resistance demands immediate implementation of novel therapeutic strategies. Antimicrobial photodynamic therapy (aPDT) combines the administration of a photosensitizer (PS) compound with low-irradiance light to induce photochemical reactions that yield reactive oxygen species (ROS). Since ROS react with nearly all biomolecules, aPDT offers a powerful multitarget method to avoid selection of drug-resistant strains. In this study, we assayed photodynamic inactivation under a standardized method, combining methylene blue (MB) as PS and red light, against global priority pathogens. The species tested include Acinetobacter baumannii, Klebsiella aerogenes, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa, Enterococcus faecium, Enterococcus faecalis, Staphylococcus aureus, Candida albicans and Cryptococcus neoformans. Our strain collection presents resistance to all tested antimicrobials (>50). All drug-resistant strains were compared to their drug-sensitive counterparts. Regardless of resistance phenotype, MB-aPDT presented species-specific dose-response kinetics. More than 5log10 reduction was observed within less than 75 s of illumination for A. baumannii,

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