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https://www.readbyqxmd.com/read/29339396/efficacy-of-apramycin-against-multidrug-resistant-acinetobacter-baumannii-in-the-murine-neutropenic-thigh-model
#1
Anthony D Kang, Kenneth P Smith, Anders H Berg, Katherine A Truelson, George M Eliopoulos, Christopher McCoy, James E Kirby
Apramycin, an aminocyclitol aminoglycoside, was rapidly bactericidal against Acinetobacter baumannii. In a neutropenic murine thigh infection model, treatment-associated A. baumannii CFU reduction of greater than 4-log10 per thigh was observed for all exposures for which AUC/MIC was greater than 50 and Cmax/MIC was ≈10 or higher. Based on these findings, we suggest that apramycin deserves further pre-clinical exploration as a repurposed therapeutic for the treatment of multidrug-resistant, Gram-negative pathogens including A...
January 16, 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29339229/a-rare-case-of-c-glabrata-spondylodiscitis-case-report-and-literature-review
#2
REVIEW
Manfredi Gagliano, Costanza Marchiani, Giulia Bandini, Paolo Bernardi, Nicolas Palagano, Elisa Cioni, Martina Finocchi, Silvia Bellando Randone, Alberto Moggi Pignone
BACKGROUND: Spondylodiscitis are vertebral column infections whose incidence is rising due to an increase of the susceptible population and improved ascertainment. They have been associated with a wide range of microorganisms. Fungal spondylodiscitis is uncommon (0.5%-1.6%) and strongly associated with immunodepression and diabetes (Gouliouris et al., 2010). We present a rare case of Candida glabrata spondylodiscitis in a non neutropenic diabetic patient with the review of the literature...
January 12, 2018: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29330070/neutropenia-as-a-complication-of-tumefactive-demyelinating-disease-a-case-report
#3
Kali Webb, Marisa Osorio
Tumefactive demyelination is an aggressive, localized, generally solitary area of demyelination that often mimics a neoplasm. We present a case of a 13-year-old female who presented with sudden onset, progressive hemiplegia and hemianopsia. Brain magnetic resonance imaging showed tumefactive demyelination with partial rim of enhancement. During inpatient rehabilitation, she developed myalgias, rash, abdominal and mouth pain with evidence for severe neutropenia. The neutropenia was determined to be a secondary complication of the tumefactive disease process...
January 9, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/29322242/utility-of-fosfomycin-as-antibacterial-prophylaxis-in-patients-with-hematologic-malignancies
#4
Tanya Zapolskaya, Sarah Perreault, Dayna McManus, Jeffrey E Topal
PURPOSE: Prolonged and profound neutropenia is common among hematology and hematopoietic stem cell transplant (HSCT) patients as a result of chemotherapy. The National Comprehensive Cancer Network (NCCN) and Infectious Diseases Society of America (IDSA) currently recommend antibacterial prophylaxis in patients who are deemed at intermediate or high risk for infection. Specifically, fluoroquinolone prophylaxis should be considered for high-risk neutropenic patients. However, with prolonged and frequent exposure to fluoroquinolones, these high-risk patients may develop resistance to these agents...
January 10, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29314297/wound-infection-after-inpatient-pediatric-skin-biopsy
#5
Hannah Song, Arash Mostaghimi, Jennifer T Huang
Punch and shave biopsies are important dermatologic procedures in the inpatient setting but have a risk of wound infection. Data on the incidence of infection in this setting are limited and conflicting. This retrospective study of 127 pediatric inpatients at two tertiary care centers who underwent biopsy demonstrated a low overall risk of infection (n = 1, 0.8%). Twenty-five (19.7%) were neutropenic, and 51 (40.2%) were not taking systemic antibiotics at the time of biopsy; none of these patients developed a wound infection...
January 4, 2018: Pediatric Dermatology
https://www.readbyqxmd.com/read/29310512/moxifloxacin-versus-levofloxacin-for-antibacterial-prophylaxis-in-acute-leukemia-patients
#6
Pauline Lee, Randall W Knoebel, Jennifer Pisano, Natasha N Pettit
Objective The primary endpoint of this study was to determine the incidence of febrile neutropenia among patients receiving either moxifloxacin or levofloxacin for antibacterial prophylaxis. Secondary endpoints were number of documented infections and in-hospital mortality in patients who develop febrile neutropenia. Methods A single-center retrospective cohort analysis at a large tertiary care academic medical center was conducted. This study included adult acute leukemia patients (age ≥18 years old) who received inpatient antibacterial prophylaxis (moxifloxacin or levofloxacin) from 1 July 2012 to 1 October 2014...
January 1, 2018: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/29290230/antimicrobial-treatment-of-urinary-tract-infections-in-children
#7
R Cohen, J Raymond, E Launay, Y Gillet, P Minodier, F Dubos, E Grimprel
Urinary tract infections are the most frequent documented bacterial infections in children. The antibiotic choices proposed in this manuscript are based on the guidelines published by the Pediatric Infectious Disease Group (GPIP) and the French-Language Infectious Disease Society (SPILF). Dipstick positive for leukocytes and/or nitrites must precede in most circumstances (excluding the newborns, neutropenic patients and those with sepsis), urine culture and antibiotic prescription. The proportion of extended-spectrum β-lactamase (ESBL) Escherichia coli strains has increased steadily in recent years, and the situations in which oral antibiotic switch is frequently not available are increasing...
December 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29286572/predicting-bacterial-infections-among-pediatric-cancer-patients-with-febrile-neutropenia-external-validation-of-the-picnicc-model
#8
Rohit P Ojha, Peter H Asdahl, Ewout W Steyerberg, Henrik Schroeder
INTRODUCTION: The Predicting Infectious Complications in Neutropenic Children and Young People with Cancer (PICNICC) model was recently developed for antibiotic stewardship among pediatric cancer patients, but limited information is available about its clinical usefulness. We aimed to assess the performance of the PICNICC model for predicting microbiologically documented bacterial infections among pediatric cancer patients with febrile neutropenia. MATERIALS AND METHODS: We used data for febrile neutropenia episodes at a pediatric cancer center in Aarhus, Denmark between 2000 and 2016...
December 29, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29286213/risk-factors-for-invasive-fungal-infection-among-thai-oncologic-patients-with-febrile-neutropenia-and-cutaneous-presentation-a-5-year-retrospective-study-in-southern-thailand
#9
Kumpol Aiempanakit, Surarit Naorungroj, Kanokphorn Chiratikarnwong, Sauvarat Auepemkiate, Benjawan Apinantriyo
Background: Febrile neutropenia (FNP) is a condition defined by fever and neutropenia. There are current only limited data on related cutaneous manifestations. This study aimed to assess cutaneous lesions and their etiologies in a Thai group of FNP patients. Methods: A retrospective analysis was conducted on 43 non-transplant febrile neutropenic patients with concurrent cutaneous lesions, as determined by dermatopathologic studies at Songklanagarind Hospital in Thailand over a five-year period. Results: The mean age was 39 years (SD: 18...
December 29, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29273978/challenges-and-solution-of-invasive-aspergillosis-in-non-neutropenic-patients-a-review
#10
REVIEW
Matteo Bassetti, Maddalena Peghin, Antonio Vena
Invasive aspergillosis (IA) is a serious opportunistic infection, which has increasingly been recognized as an emerging disease of non-neutropenic patients. In this group of patients, the diagnosis of IA can be challenging owing to the lack of specificity of symptoms, the difficulty in discriminating colonization from infection, and the lower sensitivity of microbiological and radiological tests compared with immunocompromised patients. The aim of this article is to present to clinicians a critical review on the management of IA in non-neutropenic patients...
December 22, 2017: Infectious Diseases and Therapy
https://www.readbyqxmd.com/read/29237521/-clinical-features-of-children-with-acute-lymphoblastic-leukemia-complicated-by-pulmonary-infection-after-chemotherapy
#11
Pei-Fen Zhang, Xiao-Qin Feng, Cui-Ling Wu, Yu-Ming Zhang
OBJECTIVE: To examine the clinical features of children with acute lymphoblastic leukemia (ALL) complicated by pulmonary infection after chemotherapy. METHODS: The clinical data of 108 ALL children (115 case-times) with post-chemotherapy pulmonary infection were retrospectively reviewed. The risk factors for pulmonary infection and the relationship between pathogens and chest CT findings were evaluated. RESULTS: The highest incidence (77.4% ) of pulmonary infection occurred during remission induction, peaking at 31-60 days after chemotherapy...
December 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29229637/elucidating-the-pharmacokinetics-pharmacodynamics-of-aerosolized-colistin-against-multidrug-resistant-acinetobacter-baumannii-and-klebsiella-pneumoniae-in-a-mouse-lung-infection-model
#12
Yu-Wei Lin, Qi Tony Zhou, Mei-Ling Han, Ke Chen, Nikolas J Onufrak, Jiping Wang, John D Turnidge, Benjamin P Howden, Alan Forrest, Hak-Kim Chan, Jian Li
Pharmacokinetics/pharmacodynamics (PK/PD) of aerosolized colistin was investigated against Acinetobacter baumannii and Klebsiella pneumoniae over 24 h in a neutropenic mouse lung infection model. Dose fractionation studies were performed over 2.64 to 23.8 mg/kg/day, and the data were fitted to a sigmoid inhibitory model. AUC/MIC in the epithelial lining fluid was the most predictive PK/PD index for aerosolized colistin against both pathogens. Our study provides important pharmacological information for optimizing aerosolized colistin...
December 11, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29227565/limited-utility-of-routine-chest-x-ray-in-initial-evaluation-of-neutropenic-fever-in-patients-with-haematological-diseases-undergoing-chemotherapy
#13
Ortis Estacio, Zoe Loh, Amy Baker, Geoff Chong, Andrew Grigg, Leonid Churilov, Eliza A Hawkes
BACKGROUND: Routine chest X-Ray (CXR) is recommended for neutropenic fever(NF) management however its role is relatively understudied in haematology patients. METHODS: Retrospective, single-centre analysis of haematology patients admitted with NF between January 2011-December 2015. Baseline demographics, treatment details and outcomes were collected from electronic patient records. CXRs underwent independent radiology review. Primary endpoints were proportion of NF episodes in which CXR detected a probable chest infection in the absence of respiratory symptoms/signs, and/or resulted in a change in antibiotic management...
December 11, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/29224317/-a-multicenter-retrospective-study-of-pathogenic-bacteria-distribution-and-drug-resistance-in-febrile-neutropenic-patients-with-hematological-diseases-in-shanghai
#14
J Zhu, J Hu, Y F Mao, F Y Chen, J Y Zhu, J M Shi, D D Yu, S G Hao, R Tao, P Liu, S Y Gu, J Hou, H Y He, A B Liang, Y Ding, L G Liu, Y H Xie, Q Zhu, Y H Yu, Y H Yao, W Chen, H L Xu, X H Han, C Wang
Objective: To investigate the pathogen spectrum distribution and drug resistance of febrile neutropenic patients with hematological diseases in Shanghai. Methods: A retrospective study was conducted on the clinical isolates from the febrile neutropenic patients hospitalized in the departments of hematology in 12 general hospitals in Shanghai from January 2012 to December 2014. The drug susceptibility test was carried out by Kirby-Bauer method. WHONET 5.6 software was used to analyze pathogenic bacteria and drug susceptibility data...
November 14, 2017: Zhonghua Xue Ye Xue za Zhi, Zhonghua Xueyexue Zazhi
https://www.readbyqxmd.com/read/29222698/efficacy-evaluation-of-iclaprim-in-a-neutropenic-rat-lung-infection-model-with-methicillin-resistant-staphylococcus-aureus-entrapped-in-alginate-microspheres
#15
David B Huang, Ian Morrissey, Timothy Murphy, Stephen Hawser, Mark H Wilcox
The objective of this study was to demonstrate the efficacy of iclaprim in a neutropenic rat lung infection model with methicillin-resistant Staphylococcus aureus (MRSA) entrapped in alginate beads. An inoculum of 5.25 × 105 colony-forming units (CFU)/mL of S. aureus strain AH1252 was administered intratracheally to rats with prepared alginate bacteria suspensions. Beginning 2 h post-infection, rats received: (1) iclaprim 80 mg/kg (n = 16); (2) iclaprim 60 mg/kg (n = 16), or (3) vancomycin 50 mg/kg (n = 24), for 3 days via subcutaneous (SC) injection every 12 h...
December 8, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29212978/-acute-myeloid-leukemia-complicated-by-pneumonia-and-vertebral-osteomyelitis-during-induction-chemotherapy
#16
Yuki Kamata, Yuki Fujiwara, Kentaro Mizuhara, Naoya Mochizuki, Shiro Kubonishi, Yasushi Hiramatsu
A 76-year-old woman was operated on for rectal cancer in 2011 without chemotherapy and was followed up in the outpatient department. Decrease in white blood cell count was observed from 2013, and she developed anemia in 2015. Bone marrow aspiration was performed, and she was diagnosed with acute myeloid leukemia with myelodysplasia-related changes (AML/MRC). First, remission induction therapy was initiated with idarubicin and cytarabine administration, but pneumonia and vertebral osteomyelitis developed during the neutropenic period...
2017: [Rinshō Ketsueki] the Japanese Journal of Clinical Hematology
https://www.readbyqxmd.com/read/29203480/pharmacodynamics-of-the-long-acting-echinocandin-cd101-in-the-neutropenic-invasive-candidiasis-murine-model-using-an-extended-interval-dosing-design
#17
Alexander J Lepak, Miao Zhao, B VanScoy, Paul G Ambrose, David R Andes
Echinocandins are important in the prevention and treatment of invasive candidiasis but limited by current dosing regimens that include daily intravenous administration. The novel echinocandin CD101 has a prolonged half-life of approximately 130 h in humans making it possible to design once-weekly dosing strategies. The current study examined the pharmacodynamic activity of CD101 using the neutropenic invasive candidiasis mouse model against select C. albicans (n=4), C. glabrata (n=3), and C. parapsilosis (n=3) strains...
December 4, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29200325/incidence-and-risk-factors-of-bacterial-and-fungal-infection-during-induction-chemotherapy-for-high-risk-neuroblastoma
#18
Sarah B Whittle, Kaitlin C Williamson, Heidi V Russell
High-risk neuroblastoma is an aggressive childhood cancer with poor outcomes. Treatment begins with an induction phase comprised of intense multi-agent chemotherapy with the goal of maximally reducing tumor bulk. Given the high intensity of induction chemotherapy, neutropenic fever and infectious complications are common; however, the actual incidence is difficult to determine from clinical trial reports. We performed a retrospective review of infection-related complications in 76 children treated for high-risk neuroblastoma at Texas Children's Hospital...
December 4, 2017: Pediatric Hematology and Oncology
https://www.readbyqxmd.com/read/29178248/no-indication-of-increased-infection-rates-using-low-dose-alemtuzumab-instead-of-anti-thymocyte-globulin-as-graft-versus-host-disease-prophylaxis-before-allogeneic-stem-cell-transplantation
#19
Thomas Neumann, Laila Schneidewind, Thomas Thiele, Daniel Pink, Meike Schulze, Christian Schmidt, William Krüger
BACKGROUND: Alemtuzumab as part of the conditioning protocol is effective in reducing graft-versus-host disease (GvHD), but may be associated with increased infection rates, especially when using high doses (ie, 100 mg). METHODS: We performed a retrospective, single-centre, case-control study analysing the rates of neutropenic fever, cytomegalovirus (CMV) reactivation, Epstein-Barr virus (EBV) reactivation, clinical manifest toxoplasmosis, and clinical manifest human herpesvirus-6 (HHV6) infection using low-dose alemtuzumab in comparison with anti-thymocyte globulin (ATG) as GvHD prophylaxis before allogeneic stem cell transplantation...
November 27, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29177447/oral-glucan-synthase-inhibitor-scy-078-is-effective-in-an-experimental-murine-model-of-invasive-candidiasis-caused-by-wt-and-echinocandin-resistant-candida-glabrata
#20
Nathan P Wiederhold, Laura K Najvar, Rosie Jaramillo, Marcos Olivo, Jason Pizzini, Gabriel Catano, Thomas F Patterson
Background: Echinocandins are recommended as first-line therapy against Candida glabrata infections, although increased resistance to this class has been reported worldwide and they are currently only available for parenteral administration. SCY-078 is an investigational glucan synthase inhibitor that is orally available. Objectives: To evaluate the in vivo efficacy of SCY-078 in an experimental model of invasive candidiasis due to WT and echinocandin-resistant C...
November 21, 2017: Journal of Antimicrobial Chemotherapy
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