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1.
J Mycol Med ; 29(2): 180-184, 2019 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-31056403

RESUMEN

Emergence of saprophytic fungi thriving in dead plant material and soil as opportunistic human pathogens is of great concern. Cladosporium species are environmental saprophytes reported to cause various superficial and invasive fungal infections worldwide. C. sphaerospermum, a predominantly indoor fungus has been reported from cases of meningitis, subcutaneous and pulmonary fungal infections in the past. Herein we report the first case of cerebral abscess due to C. sphaerospermum in an immunocompetent host who was successfully managed by combined medical and surgical therapy.


Asunto(s)
Absceso Encefálico/microbiología , Cladosporium/aislamiento & purificación , Cladosporium/patogenicidad , Micosis/diagnóstico , Adulto , Antifúngicos/farmacología , Encéfalo/diagnóstico por imagen , Absceso Encefálico/cirugía , Humanos , Inmunocompetencia , Imagen por Resonancia Magnética , Masculino , Micosis/tratamiento farmacológico , Resultado del Tratamiento
2.
J Hosp Infect ; 97(4): 363-370, 2017 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-28939316

RESUMEN

BACKGROUND: Multidrug-resistant Candida auris infection has been reported from five continents in recent years. The prevalence of C. auris invasive infection has been estimated at 5.3% for intensive-care-acquired candidaemia in India. The transmission of the organism between the patients and from environment to patients is rapid. AIM: To understand the intra-hospital dynamics of C. auris transmission and to determine the possible interventions to prevent its spread. METHODS: Surveillance of intensive care units was carried out to assess patient colonization, environmental contamination and hand carriage of the yeast among healthcare workers. Interventions including chlorhexidine washing of patients and decontamination of environmental surfaces with stabilized hydrogen peroxide disinfectant (Ecoshield) were undertaken. We further evaluated the effectiveness of frequently used disinfectants in the hospital against C. auris on various inanimate surfaces, and its persistence on hospital fabrics. FINDINGS: Three cases of C. auris bloodstream infection were detected over a period of three months. Many patients admitted at the same time, in the same area, were colonized by C. auris. Surveillance detected C. auris contamination of environmental surfaces and hands of healthcare workers. Interventions such as chlorhexidine washing and appropriate use of disinfectants could eradicate C. auris from patients and hospital environment. CONCLUSION: The frequently used disinfectants in our hospital and current hand hygiene practices were efficient against C. auris if proper contact time and procedures were followed. Evaluation of possible persistence of C. auris on dry fabrics showed that they can persist for up to seven days.


Asunto(s)
Candida/aislamiento & purificación , Candidiasis Invasiva/epidemiología , Infección Hospitalaria/epidemiología , Brotes de Enfermedades , Transmisión de Enfermedad Infecciosa/prevención & control , Control de Infecciones/métodos , Anciano , Candidiasis Invasiva/microbiología , Candidiasis Invasiva/transmisión , Infección Hospitalaria/microbiología , Infección Hospitalaria/transmisión , Desinfectantes/administración & dosificación , Microbiología Ambiental , Femenino , Estudios de Seguimiento , Mano/microbiología , Humanos , India , Masculino , Persona de Mediana Edad , Adulto Joven
3.
J Clin Diagn Res ; 7(1): 61-5, 2013 Jan.
Artículo en Inglés | MEDLINE | ID: mdl-23450310

RESUMEN

OBJECTIVE: This study was undertaken to assess the frequency of the phenotypic expression of the inducible resistance to clindamycin which was due to the expression of the erm genes in various clinical isolates of the Staphylococcus species. MATERIALS AND METHODS: This was a cross sectional study conducted in the Dept. of Microbiology and Immunology, Veer Chandra Singh Garhwali Govt. Medical Sciences and Research Institute, Srikot, Uttarakhand, from July 2010 to December 2011. A total of 373 consecutive, non duplicate strains of Staphylococci isolated from various clinical samples like pus, wound swab, blood, urine and other body fluids, were tested. The isolates which had a discordant resistance pattern (clindamycin-sensitive and erythromycin-resistant) by Kirby Bauer Disk Diffusion method were selected and subjected to the D-test for inducible clindamycin resistance, as per the Clinical and Laboratory Standards Institutes (CLSI) guidelines. RESULTS: Among the 373 clinical isolates of Staphylococci which were studied, 134 isolates showed a discordant resistance pattern. Among these discordant strains, 45 (33.6%) isolates were D-test positive, which had inducible clindamycin resistance and belonged to the inducible macrolide lincosamide streptogramin- B phenotype (MLSBi). 89 (66.4%) isolates were D-test negative and they belonged to the macrolide streptogramin phenotype (MS). Among the MLSBi phenotypes, 6 (13.3%) isolates were methicillin-resistant Staphylococcus aureus (MRSA), 13 (28.9%) were Methicillin-sensitive S.aureus (MSSA) and 26 (57.8%) were coagulase negative staphylococci (CONS). CONCLUSION: The D-test is a simple, effective and an important method for the phenotypic detection of inducible clindamycin resistance and it should be used routinely, as it will help in guiding the empirical therapy. The possible clinical failures can thus be avoided.

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