Background: Febrile neutropenia (FN) is the main treatment-related cause of mortality among children with cancer, as the prolonged use of broad-spectrum antibiotics can lead to antibiotic resistance in these patients. Antibiotic cycling has been reported to limit the emergence of antibiotic-resistant bacteria among adult patients. However, no studies have evaluated pediatric patients with FN.
Methods: Between September 2011 and February 2014, 126 pediatric cancer patients were admitted to our center for chemotherapy and/or hematopoietic stem cell transplantation and were included in this study. Retrospective and prospective data collection were performed before and after antibiotic cycling, respectively. Between September 2011 and November 2012 (before antibiotic cycling was implemented), intravenous cefpirome was used as the empirical therapy for FN. Between December 2012 and February 2014 (after antibiotic cycling was implemented), the monthly antibiotic cycling involved intravenous piperacillin-tazobactam (PIPC/TAZ), intravenous meropenem or ciprofloxacin (CPFX), and intravenous cefepime in that order. For children aged ≥13 years, the monthly cycling involved intravenous PIPC/TAZ, and CPFX was administered.
Results: The detection rates for extended-spectrum β-lactamase producers in blood and stool culture samples decreased significantly after the implementation of antibiotic cycling (0.33/1000 patient-days vs 0/1000 patient-days, p = 0.03; 1.00/1000 patient-days vs 0/1000 patient-days, p < 0.01; respectively).
Conclusion: Antibiotic cycling was associated with a decreased emergence of multidrug-resistant microbes.
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http://dx.doi.org/10.1016/j.jiac.2017.03.020 | DOI Listing |
Cochrane Database Syst Rev
January 2025
Lifespan and Population Health, School of Medicine, University of Nottingham, Nottingham, UK.
Background: Cystic fibrosis is a multisystem disease characterised by the production of thick secretions causing recurrent pulmonary infection, often with unusual bacteria. Intravenous (IV) antibiotics are commonly used in the treatment of acute deteriorations in symptoms (pulmonary exacerbations); however, recently the assumption that exacerbations are due to increases in bacterial burden has been questioned. This is an update of a previously published review.
View Article and Find Full Text PDFIran J Pharm Res
May 2024
Department of Genetics, Faculty of Biological Sciences, Varamin-Pishva branch, Islamic Azad University, Pishva, Iran.
Background: The incidence of colorectal cancer is increasing globally. Daunorubicin (DNR), an anthracycline antibiotic, is effective against various cancers. The PI3K/AKT/mTOR signaling pathway is crucial in regulating cell growth and cancer growth.
View Article and Find Full Text PDFAging Cell
January 2025
Department of Orthopaedics & Traumatology, The Chinese University of Hong Kong, Hong Kong SAR, China.
Sarcopenia is an age-related muscle disorder that increases risks of adverse clinical outcomes, but its treatments are still limited. Gut microbiota is potentially associated with sarcopenia, and its role is still unclear. To investigate the role of gut microbiota in sarcopenia, we first compared gut microbiota and metabolites composition in old participants with or without sarcopenia.
View Article and Find Full Text PDFSci Rep
January 2025
Department of Veterinary Medicine and Animal Sciences (DIVAS), Università degli Studi di Milano, Lodi, 26900, Italy.
Intramammary dry-off treatment is widely considered an effective method for preventing and curing intramammary infection (IMI) in lactating cows; however, it is not commonly used in small ruminants like goats. Therefore, this study was designed to evaluate the effect of an approved cefazolin-based intramammary treatment on the milk microbiota of Alpine dairy goats during the dry and early lactation periods. Sixty goats were randomly selected based on bacteriological results and randomly allocated into the control group (CG) or the treatment group (TG).
View Article and Find Full Text PDFSci Total Environ
January 2025
Center for Pan-third Pole Environment, Lanzhou University, Lanzhou, China; Key Laboratory of Pan-third Pole Biogeochemical Cycling, Gansu Province, China. Electronic address:
The release of pathogens and DNA from the cryosphere (glacier, permafrost, and, sea ice) has become a new threat to society and environment. Due to enhanced glacier retreat, the size of glacier forefields has greatly expanded. Herein, we used a combination of metagenomic and metatranscriptomic methods and adopted a sequence-based approach to investigate the distribution and changing patterns of virulence factor genes (VFGs) and antibiotic resistance genes (ARGs) in two glacier forefields.
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