Results: 170

Chemical composition and antimicrobial activity of essential oil of Alpinia menghaiensis S Q Tong & Y M Xia in S Q Tong from Vietnam

The chemical constituents and antimic robial activity of the essential oil isolated from the rhizomes of Alpinia menghaiensis S.Q. Tong & Y.M. Xia in S.Q. Tong from Vietnam was studied and reported. The techniques of gas chromatography (GC) and gas chromatography cou...

Microbiological characteristics of bloodstream infections in a reference hospital in northeastern Brazil

Braz. j. biol; 84 (), 2024
Abstract Routine blood culture is used for the detection of bloodstream infections by aerobic and anaerobic bacteria and by common pathogenic yeasts. A retrospective study was conducted in a public hospital in Maceió-AL, by collecting data of all medical records with positive blood cultures. Out of the ...

Pandemia de COVID-19 y evolución de la resistencia a antimicrobianos en bacilos Gram negativos
COVID-19 pandemic and evolution of antimicrobial resistance in Gram negative bacilli

Actual. SIDA. infectol; 31 (113), 2023
Introducción: La emergencia y diseminación de la re-sistencia a antimicrobianos está vinculada en parte al abuso y/o mal uso de los mismos. La propagación del SARS-CoV-2 implicó un mayor consumo de antibióticos. El objetivo de este trabajo fue analizar los mecanismos de res...

Caracterización clínica y microbiológica de los eventos de peritonitis asociada a diálisis peritoneal en un hospital de Chile. Un análisis retrospectivo

Rev. chil. infectol; 40 (2), 2023
INTRODUCCIÓN: Las infecciones asociadas a diálisis peritoneal constituyen una de las causas de morbimortalidad más importante en estos pacientes y la terapia antimicrobiana empírica y dirigida adecuada es fundamental para mejorar el resultado, por lo que es importante establecer la microbiología loc...

Bioactive properties of Persea lingue Ness (Lauraceae) fruit and leaf extracts

Braz. j. biol; 83 (), 2023
Abstract Persea lingue Ness is a tree species that lives mainly in temperate forests of south-central Chile. Its leaves are used in ethnomedicine, the fruit is a drupe similar to that of the avocado and has not been studied. The aim of this study was to determine the cytotoxicity in leukemia cell and ant...

Temporal association between antibiotic use and resistance in Gram-negative bacteria

Braz. j. biol; 83 (), 2023
Abstract The β-lactam/lactamase inhibitors (BLBLIs) combination drugs are considered an effective alternative to carbapenems. However, there is a growing concern that the increased use of BLBLIs may lead to increased resistance. This study determined the temporal association between the consumption ...

Evaluación de la formación de biopelículas en aislamientos bacterianos y fúngicos por el método semicuantitativo de microtitulación con cristal violeta y el cualitativo de agar con rojo Congo

Biomédica (Bogotá); 43 (Supl. 1), 2023
Introducción. El 65 % de las infecciones humanas son producidas por bacterias o levaduras, cuya capacidad de formar biopelículas las hace más resistentes a los antimicrobianos y antifúngicos. Objetivo. Determinar la capacidad de formación de biopelículas en aislamientos bacterianos y fúngicos por ...

Gonococcal arthritis in a healthy adult. Is it that possible?

Rev. colomb. reumatol; 29 (4), 2022
A case report is presented of a 50-year-old woman who was seen in Accident and Emergency because of pain in the lumbar area. She was subsequently diagnosed with septic arthritis of the left hip due to being Neisseria gonorrhoeae positive for beta-lactamase. She responded to treatment with ceftriaxone, bu...

Meningite bacteriana: uma revisão

A meningite bacteriana é uma inflamação das leptomeninges que envolvem o Sistema Nervoso Central. Essa patologia, que possui diversos agentes etiológicos, apresenta-se na forma de síndrome, com quadro clínico grave. Entre as principais bactérias que causam a meningite, estão a Neisseria meningiti...

Comparação do mecanismo de heterorresistência em Serratia marcescens por time kill curve frente ao meropeném
Comparison of heteroresistance mechanism in Serratia marcescens by time kill curve against meropenem

Rev. bras. anal. clin; 54 (1), 2022
Serratia marcescens pertence à Família Enterobacteriaceae, é Gram-negativa e anaeróbica facultativa, sendo bem distribuída na natureza; pode ser isolada como saprófita do solo e da água. Possui um significado clínico relevante, pois acarreta infecções nosocomiais e pulmonares em determinados se...