[Antimicrobial sensitivity of the environmental microbiota in the intensive care units of a peruvian hospital]. / Sensibilidad antimicrobiana de la microbiota ambiental de las unidades de cuidados intensivos de un hospital peruano.

The objective was to detect Gram-negative bacilli and Gram-positive cocci isolated from the environmental microbiota of the Intensive Care Unit (ICU) departments of Neonatology, Pediatrics, and Transplants (kidney, liver, and general) in a Lima hospital and determine their antimicrobial sensitivity. Eighty samples were obtained from inanimate surfaces using a wet swab. A total of 61 bacterial strains were identified, including Staphylococcus epidermis (46.0%), Alcaligenes sp. (21.3%), Pseudomonas aeruginosa (16.4%), Acinetobacter sp. (13.1%), Staphylococcus aureus (1.6%), and Staphylococcus haemolyticus (1.6%). Acinetobacter sp. and P. aeruginosa showed a heightened sensitivity to the antibiotics assessed, while Alcaligenes sp. and S. epidermidis presented the highest antimicrobial resistance. It is recommended that sustained asepsis and monitoring methods be used in ICUs.

Sensibilidad antimicrobiana de la microbiota ambiental de las unidades de cuidados intensivos de un hospital peruano / Antimicrobial sensitivity of the environmental microbiota in the intensive care units of a peruvian hospital

RESUMEN Con el objetivo de detectar y determinar la sensibilidad antimicrobiana de bacilos Gram negativos y cocos Gram positivos aislados de la microbiota ambiental de los servicios de la Unidad de Cuidados Intensivos (UCI) de Neonatología, de Pediatría y de la Unidad de trasplantes (renal, hepático y general) en un hospital de Lima; se tomaron 80 muestras de superficies inanimadas usando hisopado húmedo. Se identificaron 61 cepas bacterianas que correspondieron a Staphylococcus epidermidis (46,0%), Alcaligenes sp. (21,3%), Pseudomonas aeruginosa (16,4%), Acinetobacter sp. (13,1%) Staphylococcus aureus (1,6%) y Staphylococcus haemolyticcus (1,6%). Acinetobacter y Pseudomonas aeruginosa mostraron una elevada sensibilidad a los antibióticos evaluados, en contraste Alcaligenes sp. y Staphylococcus epidermidis presentaron la mayor resistencia antimicrobiana. Staphylococcus epidermidis y Alcaligenes sp. fueron las bacterias que presentaron mayor resistencia a los antibióticos y las que mayormente se aislaron. Se recomienda recurrir a métodos de asepsia y monitoreo sostenidos en las UCI.

ABSTRACT The objective was to detect Gram-negative bacilli and Gram-positive cocci isolated from the environmental microbiota of the Intensive Care Unit (ICU) departments of Neonatology, Pediatrics, and Transplants (kidney, liver, and general) in a Lima hospital and determine their antimicrobial sensitivity. Eighty samples were obtained from inanimate surfaces using a wet swab. A total of 61 bacterial strains were identified, including Staphylococcus epidermis (46.0%), Alcaligenes sp. (21.3%), Pseudomonas aeruginosa (16.4%), Acinetobacter sp. (13.1%), Staphylococcus aureus (1.6%), and Staphylococcus haemolyticus (1.6%). Acinetobacter sp. and P. aeruginosa showed a heightened sensitivity to the antibiotics assessed, while Alcaligenes sp. and S. epidermidis presented the highest antimicrobial resistance. It is recommended that sustained asepsis and monitoring methods be used in ICUs.

[Paracoccidiomicosis in the central nervous system: a case report]. / Paracoccidiomicosis en el sistema nervioso central: reporte de un caso.

Paracoccidioidomycosis is a fungal disease which can compromise the central nervous system (CNS).We present a case of an immunocompetent 45 year old man from Satipo, Peru who developed paracoccidioidomycosis in the CNS without any apparent point of entry or infection. The patient was diagnosed by imaging with a cerebellar granuloma, followed by a craniotomy where tissue and secretion of the granuloma abscess was obtained. Histological and microbiological diagnoses were performed on the tissue and secretion, respectively. Yeasts were observed in the histological section and growth of the fungus in the culture. The patient initially received antifungals, then acquired an intrahospital infection, received colistin and subsequently died. The case report emphasizes the importance of early and correct diagnosis for good outcomes of paracoccidioidomycosis cases.

Paracoccidiomicosis en el sistema nervioso central: reporte de un caso / Paracoccidiomicosis in the central nervous system: a case report

La paracoccidiomicosis es una enfermedad micótica que puede comprometer el sistema nervioso central (SNC). Se presenta el caso de un paciente varón de 45 años, inmunocompetente, de la ciudad de Satipo, que desarrollo paracoccidiomicosis en el SNC sin punto de entrada e infección aparente. El paciente fue diagnosticado por imágenes con un granuloma cerebelar, posteriormente, se realiza una craneotomía de donde se obtiene tejido y secreción del absceso del granuloma, se procedió al diagnóstico histológico y microbiológico, respectivamente, donde se observó la presencia de levaduras en el corte histológico y el crecimiento del hongo en el cultivo. El paciente, inicialmente, recibe antifúngicos, luego adquiere una infección intrahospitalaria, recibe colistina y posteriormente fallece. El caso reportado pone énfasis en la importancia del diagnóstico temprano y correcto para la buena evolución de los casos de paracoccidiomicosis.

Paracoccidioidomycosis is a fungal disease which can compromise the central nervous system (CNS).We present a case of an immunocompetent 45 year old man from Satipo, Peru who developed paracoccidioidomycosis in the CNS without any apparent point of entry or infection. The patient was diagnosed by imaging with a cerebellar granuloma, followed by a craniotomy where tissue and secretion of the granuloma abscess was obtained. Histological and microbiological diagnoses were performed on the tissue and secretion, respectively. Yeasts were observed in the histological section and growth of the fungus in the culture. The patient initially received antifungals, then acquired an intrahospital infection, received colistin and subsequently died. The case report emphasizes the importance of early and correct diagnosis for good outcomes of paracoccidioidomycosis cases.