BACKGROUND Pediatric candiduria is a frequently overlooked manifestation of healthcareassociated fungal infections.Candida species are increasingly being identified in the urine of neonates and infants,with non-albica...BACKGROUND Pediatric candiduria is a frequently overlooked manifestation of healthcareassociated fungal infections.Candida species are increasingly being identified in the urine of neonates and infants,with non-albicans Candida(NAC)species being more prevalent than Candida albicans.AIM To determine the rate of Candida species isolation among pediatric patients with suspected urinary tract infections(UTI)at a tertiary care hospital.METHODS A total of 436 children with a clinical suspicion of UTI were enrolled in this laboratory-based descriptive observational study.The samples were then subjected to urine mounting and subcultured on Sabouraud dextrose agar.Candida isolates were identified based on the color of the colonies on CHROM agar,Dalmau plate culture,and germ tube formation.The results were confirmed by matrix-assisted laser desorption ionization-time of flight mass spectrometry,followed by Antifungal susceptibility testing using Vitek®2 AST-YS07 cards.RESULTS A total of 79 Candida isolates(18.12%)were identified.Of these,39(49.37%)were neonates,with a male-to-female ratio of 3.39:1.The intensive care unit(ICU)recorded 52 patients(65.82%).Of the 79 patients,57(72.15%)received broadspectrum antibiotics for more than 7 days.Our study revealed a higher prevalence of NAC species,with Candida tropicalis accounting for 34 cases(43.04%).Amphotericin B showed the highest susceptibility,with 68 isolates(86.08%)being susceptible to this Antifungal agent.CONCLUSION Pediatric patients with Candiduria present atypical and vague symptoms.This may be the initial symptom of disseminated Candidiasis in the presence of predisposing factors.Isolation of these pathogens,along with their Antifungal susceptibility patterns,aids in a better prognosis.展开更多
Objective:To explore the prevention of rerurrent candiduria using natural based approaches and to study the antimicrobial effect of Hibiscus sabdariffa(H.sabdariffa) extract and the biofilm forming capacity of Candida...Objective:To explore the prevention of rerurrent candiduria using natural based approaches and to study the antimicrobial effect of Hibiscus sabdariffa(H.sabdariffa) extract and the biofilm forming capacity of Candida albicans strains in the present of the H.sabdariffa extract.Methods:In this particular study,six strains of fluconazole resistant Candida albicans isolated from recurrent candiduria were used.The susceptibility of fungal isolates,time-kill curves and biofilm forming capacity in the present of the H.sabdariffa extract were determined.Results:Various levels minimum inhibitory concentration of the extract were observed against all the isolates.Minimum inhibitory concentration values ranged from 0.5 to 2.0 mg/mL Timekill experiment demonstrated that the effect was fungistatic.The biofilm inhibition assay results showed that H.sabdariffa extract inhibited biofilm production of all the isolates.Conclusions:The results of the study support the potential effect of H.sabdariffa extract for preventing recurrent candiduria and emphasize the significance of the plant extract approach as a potential antifungal agent.展开更多
文摘BACKGROUND Pediatric candiduria is a frequently overlooked manifestation of healthcareassociated fungal infections.Candida species are increasingly being identified in the urine of neonates and infants,with non-albicans Candida(NAC)species being more prevalent than Candida albicans.AIM To determine the rate of Candida species isolation among pediatric patients with suspected urinary tract infections(UTI)at a tertiary care hospital.METHODS A total of 436 children with a clinical suspicion of UTI were enrolled in this laboratory-based descriptive observational study.The samples were then subjected to urine mounting and subcultured on Sabouraud dextrose agar.Candida isolates were identified based on the color of the colonies on CHROM agar,Dalmau plate culture,and germ tube formation.The results were confirmed by matrix-assisted laser desorption ionization-time of flight mass spectrometry,followed by Antifungal susceptibility testing using Vitek®2 AST-YS07 cards.RESULTS A total of 79 Candida isolates(18.12%)were identified.Of these,39(49.37%)were neonates,with a male-to-female ratio of 3.39:1.The intensive care unit(ICU)recorded 52 patients(65.82%).Of the 79 patients,57(72.15%)received broadspectrum antibiotics for more than 7 days.Our study revealed a higher prevalence of NAC species,with Candida tropicalis accounting for 34 cases(43.04%).Amphotericin B showed the highest susceptibility,with 68 isolates(86.08%)being susceptible to this Antifungal agent.CONCLUSION Pediatric patients with Candiduria present atypical and vague symptoms.This may be the initial symptom of disseminated Candidiasis in the presence of predisposing factors.Isolation of these pathogens,along with their Antifungal susceptibility patterns,aids in a better prognosis.
基金Supported by the Deanship of Scientific Research of Taibah University (Grant No.432/3088)
文摘Objective:To explore the prevention of rerurrent candiduria using natural based approaches and to study the antimicrobial effect of Hibiscus sabdariffa(H.sabdariffa) extract and the biofilm forming capacity of Candida albicans strains in the present of the H.sabdariffa extract.Methods:In this particular study,six strains of fluconazole resistant Candida albicans isolated from recurrent candiduria were used.The susceptibility of fungal isolates,time-kill curves and biofilm forming capacity in the present of the H.sabdariffa extract were determined.Results:Various levels minimum inhibitory concentration of the extract were observed against all the isolates.Minimum inhibitory concentration values ranged from 0.5 to 2.0 mg/mL Timekill experiment demonstrated that the effect was fungistatic.The biofilm inhibition assay results showed that H.sabdariffa extract inhibited biofilm production of all the isolates.Conclusions:The results of the study support the potential effect of H.sabdariffa extract for preventing recurrent candiduria and emphasize the significance of the plant extract approach as a potential antifungal agent.
