Treatment of Infections Due to Resistant Staphylococcus aureus

This chapter reviews data on the treatment of infections caused by drug-resistant Staphylococcus aureus, particularly methicillin-resistant S. aureus (MRSA). This review covers findings reported in the English language medical literature up to January of 2013. Despite the emergence of resistant and multidrug-resistant S. aureus, we have seven effective drugs in clinical use for which little resistance has been observed: vancomycin, quinupristin–dalfopristin, linezolid, tigecycline, telavancin, ceftaroline, and daptomycin. However, vancomycin is less effective for infections with MRSA isolates that have a higher MIC within the susceptible range. Linezolid is probably the drug of choice for the treatment of complicated MRSA skin and soft tissue infections (SSTIs); whether it is drug of choice in pneumonia remains debatable. Daptomycin has shown to be non-inferior to either vancomycin or β-lactams in the treatment of staphylococcal SSTIs, bacteremia, and right-sided endocarditis. Tigecycline was also non-inferior to comparator drugs in the treatment of SSTIs, but there is controversy about whether it is less effective than other therapeutic options in the treatment of more serious infections. Telavancin has been shown to be non-inferior to vancomycin in the treatment of SSTIs and pneumonia, but has greater nephrotoxicity. Ceftaroline is a broad-spectrum cephalosporin with activity against MRSA; it is non-inferior to vancomycin in the treatment of SSTIs. Clindamycin, t...
Source: Springer protocols feed by Microbiology - Category: Microbiology Source Type: news

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In this study, we discovered potent p53-MDM2 inhibition by 2-thiobenzyl-3-formyl quinoline, 2-thio-1,2-dihydroquinoline-3-formyl N-substituted thiosemi-carbazone and fluorine substituted new pyridine and pyran derivatives by structure-based design.Graphical abstract
Source: Journal of Molecular Structure - Category: Molecular Biology Source Type: research
Publication date: Available online 19 October 2019Source: Sensors and Actuators B: ChemicalAuthor(s): Mahmoud Amouzadeh Tabrizi, Josep Ferré-Borrull, Lluis F. MarsalAbstractFoodborne Salmonella disease is a major public health concern. Therefore, it is crucial to design a reliable biosensor to the diagnosis of this disease. Herein, we fabricated an interferometric reflectance spectroscopy (IRS) based DNA sensor for the determination of Salmonella-specific DNA fragment concentration. For this purpose, the nanoporous anodic alumina (NAA) was first fabricated. The pore walls of NAA were then functionalized with 3-amino...
Source: Sensors and Actuators B: Chemical - Category: Chemistry Source Type: research
Publication date: Available online 19 October 2019Source: Inorganica Chimica ActaAuthor(s): Ayman K. El-Sawaf, El Hassane AnouarAbstractThe (E)-N'-(2-hydroxybenzylidene)morpholine-4-carbothiohydrazide (H2L) ligand and its chelates with Co(II), Ni(II), Cu(II), Zn(II) and Cd(II) have been synthesized. Analytical and spectral data prove that the ligand acts a monobasic tridentate ligand coordinated via deprotonated phenolic O, azomethine N and thione S atoms (ONS chromophore) with cobalt(II), nickel(II) and copper(II) salts leading to two fused five and six-membered chelate rings. While with zinc(II) and cadmium(II) salts the...
Source: Inorganica Chimica Acta - Category: Chemistry Source Type: research
Source: International Journal of Tuberculosis and Lung Disease - Category: Respiratory Medicine Authors: Tags: ORIGINAL ARTICLES Source Type: research
Source: International Journal of Tuberculosis and Lung Disease - Category: Respiratory Medicine Authors: Tags: ORIGINAL ARTICLES Source Type: research
Source: International Journal of Tuberculosis and Lung Disease - Category: Respiratory Medicine Authors: Tags: ORIGINAL ARTICLES Source Type: research
Source: International Journal of Tuberculosis and Lung Disease - Category: Respiratory Medicine Authors: Tags: ORIGINAL ARTICLES Source Type: research
Conclusion: The use of the Seal thoracic stent graft yielded good mid-term results. Further studies are needed to examine the long-term outcomes of this device. PMID: 31624711 [PubMed]
Source: Korean Journal of Thoracic and Cardiovascular Surgery - Category: Cardiovascular & Thoracic Surgery Tags: Korean J Thorac Cardiovasc Surg Source Type: research
This study demonstrates that some organics which are toxic and bio-refractory, such as antibiotics, can be used to alter the microbial communities to enhance the performance of electricity generation.
Source: Chemical Engineering Journal - Category: Chemistry Source Type: research
ConclusionsBedaquiline showed similar efficacy and safety in Korean patients with MDR-TB, despite their advanced drug-resistance profiles, possibly due to other concomitant drugs such as linezolid.
Source: Respiratory Investigation - Category: Respiratory Medicine Source Type: research
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