Methicillin-Resistant Coagulase-Negative Staphylococcusposes a challenging situation in healthcare settings. The spread of resistance among such organisms against major drugs is alarming as it limits the treatment options for serious infections. Traditionally, Vancomycin had remained a mainstay of treatment of Methicillin-Resistant Staphylococci. Linezolid introduction into the clinical practice was a major breakthrough since it provided orally administered treatment of Methicillin-Resistant Staphylococci. Widespread use of Linezolid has gradually turned the impending fear of emergence of resistance against this novel drug into a reality. We report first case of Linezolid-Resistant Methicillin-Resistant Staphylococcushemolyticusfrom Pakistan, isolated from a leukemic patient. The organism caused a necrotic lesion on the right forearm at cannulation site of intravenous catheter. Ooze swab yielded the pure growth of Linezolid-Resistant Methicillin-Resistant Staphylococcushemolyticus.
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Phytother Res
January 2025
College of Veterinary Medicine, Yangzhou University, Yangzhou, China.
The rising prevalence of multidrug-resistant (MDR) Gram-positive bacteria threatens the effectiveness of current antibiotic therapies. However, the development of new antibiotics has stagnated in recent years, highlighted the critical need for the discovery of innovative antimicrobial agents. This study aims to evaluate the antibacterial activity of naphthoquinones derived from Arnebia euchroma (Royle) Johnst (ADNs) and elucidate their underlying mechanisms.
View Article and Find Full Text PDFZhonghua Xue Ye Xue Za Zhi
October 2024
Department of Hematology, Tianjin Medical University General Hospital, Tianjin 300052, China.
To analyze the distribution and drug resistance of pathogens of bacterial bloodstream infection in patients with hematological diseases in the Department of Hematology of Tianjin Medical University General Hospital, and to provide etiological data for clinical empirical anti-infection treatment. A retrospective analysis was conducted on the general clinical information, pathogenic bacteria and drug susceptibility test results of patients with hematological diseases diagnosed with bacterial bloodstream infection by menstrual blood culture in our center from January 2016 to December 2022. Patients included 498 inpatients, with a total of 639 bacterial strains.
View Article and Find Full Text PDFJ Glob Antimicrob Resist
November 2024
Department of Hematology, Tianjin First Central Hospital, Tianjin, PR China.
Objective: The objective of this study was to investigate the cumulative fraction of response of various dosage regimens of tedizolid phosphate against Staphylococcus aureus and Streptococcus pneumoniae in children, adolescents, and adults.
Methods: Monte Carlo simulations were performed using previously published pharmacokinetic parameters and pharmacodynamic data to evaluate the efficacy of the simulated dosage strategies in terms of area under the concentration-time curve/minimum inhibitory concentration targets of tedizolid.
Results: According to the results of the Monte Carlo simulations, currently approved dosage regimens of tedizolid phosphate were effective in the treatment of acute bacterial skin and skin structure infections (ABSSSIs) caused by methicillin-susceptible S.
J Antimicrob Chemother
December 2024
Department of Clinical Laboratory, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No.1 Shuaifuyuan Wangfujing Dongcheng District, 100730, Beijing, China.
J Med Chem
September 2024
Beijing Key Laboratory of Active Substance Discovery and Druggability Evaluation, Chinese Academy of Medical Sciences Key Laboratory of Anti-DR TB Innovative Drug Research, Institute of Materia Medica, Peking Union Medical College and Chinese Academy of Medical Sciences, 1 Xian Nong Tan Street, Beijing 100050, China.
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