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https://www.readbyqxmd.com/read/28388651/tigecycline-resistance-among-carbapenem-resistant-klebsiella-pneumoniae-clinical-characteristics-and-expression-levels-of-efflux-pump-genes
#1
Sheng-Kang Chiu, Ming-Chin Chan, Li-Yueh Huang, Yi-Tsung Lin, Jung-Chung Lin, Po-Liang Lu, L Kristopher Siu, Feng-Yee Chang, Kuo-Ming Yeh
OBJECTIVES: Tigecycline is a treatment option for infections caused by carbapenem-resistant Klebsiella pneumoniae (CRKP). Emerging tigecycline resistance in CRKP represents a growing threat. Knowledge of the clinical, microbiological, and molecular characteristics of tigecycline- and carbapenem-resistant Klebsiella pneumoniae (TCRKP) is limited. METHODS: Patients infected with TCRKP were identified from a Taiwanese national surveillance study. Clinical data were collected from medical records...
2017: PloS One
https://www.readbyqxmd.com/read/28362935/evolution-and-transmission-of-carbapenem-resistant-klebsiella-pneumoniae-expressing-the-blaoxa-232-gene-during-an-institutional-outbreak-associated-with-endoscopic-retrograde-cholangiopancreatography
#2
Shangxin Yang, Peera Hemarajata, Janet Hindler, Fan Li, Helty Adisetiyo, Grace Aldrovandi, Robert Sebra, Andrew Kasarskis, Duncan MacCannell, Xavier Didelot, Dana Russell, Zachary Rubin, Romney Humphries
Background: Whole-genome sequencing (WGS) is an emerging and powerful technique by which to perform epidemiological studies in outbreak situations. Methods: WGS was used to identify and evaluate an outbreak of OXA-232-expressing carbapenem-resistant Klebsiella pneumoniae (CRKP) transmitted to 16 patients over the course of 40 weeks via endoscopic retrograde cholangiopancreatography procedures at a single institution. WGS was performed on 32 OXA-232 CRKP isolates (1-7 per patient) and single-nucleotide variants (SNVs) were analyzed, with reference to the index patient's isolate...
April 1, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28356109/systematic-review-and-meta-analysis-of-mortality-of-patients-infected-with-carbapenem-resistant-klebsiella-pneumoniae
#3
REVIEW
Liangfei Xu, Xiaoxi Sun, Xiaoling Ma
PURPOSE: Carbapenem resistant K. pneumoniae (CRKP) has aroused widespread attention owing to its very limited therapeutic options, and this strain has increased rapidly in recent years. Although it is accepted that drug resistance is associated with increased mortality in general, but some other studies found no such relationship. To estimate mortality of patients infected with CRKP in general and analyze factors for mortality of this infection, thus, we conducted this systematic review and meta-analysis...
March 29, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28341427/community-onset-carbapenem-resistant-klebsiella-pneumoniae-urinary-tract-infections-in-infancy-following-nicu-hospitalisation
#4
Eleni Vergadi, Maria Bitsori, Sofia Maraki, Emmanouil Galanakis
INTRODUCTION: Urinary tract infection (UTI) is a common bacterial infection in childhood with favourable outcome. However, the recent emergence of UTI caused by multidrug-resistant pathogens, such as carbapenem-resistant Enterobacteriaceae (CRE), has become a great concern worldwide. CRE are mainly responsible for nosocomial infections and community-onset CRE infections in healthy individuals are rare. OBJECTIVES: In this study, we report a series of infants without substantial genitourinary abnormalities that were admitted with community-onset urinary tract infections (UTIs) caused by carbapenem-resistant Klebsiella pneumoniae (CRKP) and we discuss their aetiology...
March 11, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28283020/carbapenem-resistant-klebsiella-pneumoniae-in-high-risk-haematological-patients-factors-favouring-spread-risk-factors-and-outcome-of-carbapenem-resistant-klebsiella-pneumoniae-bacteremias
#5
Alessandra Micozzi, Giuseppe Gentile, Clara Minotti, Claudio Cartoni, Saveria Capria, Daniele Ballarò, Stefania Santilli, Emanuele Pacetti, Sara Grammatico, Giampaolo Bucaneve, Robin Foà
BACKGROUND: Carbapenem-resistant Klebsiella pneumoniae (CRKP) spread and infections in patients with haematological malignancies are a serious concern especially in endemic areas. Treatment failures and delay in appropriate therapy for CRKP infections are frequent and the mortality rate associated with CRKP bacteremia in neutropenic haematological patients is reported about 60%. METHODS: Haematological patients harboring CRKP hospitalized between February 2012 and May 2013 in an Italian Teaching hospital were examined...
March 10, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28254253/surveillance-culture-for-multidrug-resistant-gram-negative-bacteria-performance-in-liver-transplant-recipients
#6
Maristela Pinheiro Freire, Isabel Cristina Villela Soares Oshiro, Patrícia Rodrigues Bonazzi, Ligia Câmera Pierrotti, Larissa Marques de Oliveira, Anna Silva Machado, Inneke Marie Van Der Heijdenn, Flavia Rossi, Silvia Figueiredo Costa, Luiz Augusto Carneiro D'Albuquerque, Edson Abdala
BACKGROUND: The prevalence of infection with multidrug-resistant gram-negative bacteria (MDR-GNB) after solid-organ transplantation is increasing. Surveillance culture (SC) seems to be an important tool for MDR-GNB control. The goal of this study was to analyze the performance of SC for MDR-GNB among liver transplant (LT) recipients. METHODS: This was a prospective cohort study involving patients who underwent LT between November 2009 and November 2011. We screened patients for extended spectrum β-lactamase-producing Escherichia coli, extended spectrum β-lactamase-producing Klebsiella pneumoniae, and carbapenem-resistant Enterobacteriaceae, carbapenem-resistant Pseudomonas aeruginosa (CRPA), and carbapenem-resistant Acinetobacter baumannii (CRAB)...
March 1, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28196423/fecal-microbiota-transplantation-is-there-a-role-in-the-eradication-of-carbapenem-resistant-klebsiella-pneumoniae-intestinal-carriage
#7
Ana Ponte, Rolando Pinho, Margarida Mota
The authors present the case of a 66-year-old woman with four hospitalizations due to recurrent Clostridium difficile infection (CDI) non responsive to vancomycin and fidaxomicin. Furthermore, intestinal colonization with carbapenem-resistant Klebsiella pneumoniae (CRKP) was identified after a positive stool culture in a screening routinely performed in our center in patients recently hospitalized.
February 15, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28013258/epidemiology-of-carbapenem-resistant-klebsiella-pneumoniae-in-a-network-of-long-term-acute-care-hospitals
#8
Jennifer H Han, Ellie J C Goldstein, Jacqueleen Wise, Warren B Bilker, Pam Tolomeo, Ebbing Lautenbach
Background: The rapid emergence of carbapenem-resistant Klebsiella pneumoniae (CRKP) represents a major public health threat, including in the long-term acute care hospital (LTACH) setting. Our objective in this study was to describe the epidemiologic characteristics of CRKP in a network of US LTACHs. Methods: An observational study was performed among 64 LTACHs from January 2014 to March 2015. Clinical cultures were included, with the first CRKP isolate recovered from each patient per study quarter evaluated...
April 1, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/27980379/epidemiology-and-biomolecular-characterization-of-carbapenem-resistant-klebsiella-pneumoniae-in-an-italian-hospital
#9
REVIEW
M L Cristina, M Sartini, G Ottria, E Schinca, N Cenderello, M P Crisalli, P Fabbri, G Lo Pinto, D Usiglio, A M Spagnolo
OBJECTIVE: To describe the occurrence of CRKP infections in a tertiary care hospital and to analyse the allelic profiles of the clinical strains involved and the most frequent carbapenemases. DESIGN: The study analyzed cases of infection due to CRKP in the period 2013-2014; 147 cases were recorded, most of which (82.31%) were in-hospital infections. SETTING: A hospital in northern Italy. METHODS: We retrospectively collected: data on patient characteristics and the microbiological characteristics of CRKP...
September 2016: Journal of Preventive Medicine and Hygiene
https://www.readbyqxmd.com/read/27942542/carbapenem-resistant-klebsiella-pneumoniae-infection-in-three-new-york-city-hospitals-trended-downwards-from-2006-to-2014
#10
Sun O Park, Jianfang Liu, E Yoko Furuya, Elaine L Larson
BACKGROUND: Carbapenem-resistant Klebsiella pneumoniae (CRKP) infection is a rising public health threat since its first outbreaks in New York City (NYC) in the early 2000s. We investigated annual trends of CRKP infection in hospital-acquired infections (HAIs) and community-onset infections (COIs) treated in 3 NYC hospitals from 2006 to 2014. METHODS: We extracted K pneumoniae infection data including carbapenem susceptibility and anatomical sites, compared clinical characteristics between CRKP and carbapenem-susceptible K pneumoniae infections, and determined CRKP infection proportions in total K pneumoniae infections in HAI and COI to identify statistically significant trends from 2006 to 2014 using the Cochran-Armitage trend test...
October 2016: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/27940944/colistin-resistance-in-carbapenem-resistant-klebsiella-pneumoniae-laboratory-detection-and-impact-on-mortality
#11
Laura J Rojas, Madiha Salim, Eric Cober, Sandra S Richter, Federico Perez, Robert A Salata, Robert C Kalayjian, Richard R Watkins, Steve Marshall, Susan D Rudin, T Nicholas Domitrovic, Andrea M Hujer, Kristine M Hujer, Yohei Doi, Keith S Kaye, Scott Evans, Vance G Fowler, Robert A Bonomo, David van Duin
Background: Polymyxins including colistin are an important "last-line" treatment for infections caused by carbapenem-resistant Klebsiella pneumoniae (CRKp). Increasing use of colistin has led to resistance to this cationic antimicrobial peptide. Methods: A cohort nested within the Consortium on Resistance against Carbapenems in Klebsiella pneumoniae (CRACKLE) was constructed of patients with infection, or colonization with CRKp isolates tested for colistin susceptibility during the study period of December, 2011 to October, 2014...
March 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/27909821/previous-bloodstream-infections-due-to-other-pathogens-as-predictors-of-carbapenem-resistant-klebsiella-pneumoniae-bacteraemia-in-colonized-patients-results-from-a-retrospective-multicentre-study
#12
MULTICENTER STUDY
D R Giacobbe, V Del Bono, P Bruzzi, S Corcione, M Giannella, A Marchese, L Magnasco, A E Maraolo, N Pagani, C Saffioti, S Ambretti, C S Cardellino, E Coppo, F G De Rosa, P Viale, C Viscoli
INTRODUCTION: the purpose of this retrospective multicenter study was to assess whether the risk of developing bloodstream infections (BSI) due to carbapenem-resistant Klebsiella pneumoniae (CRKP) in colonized patients is influenced by the occurrence of BSI due to other pathogens. METHODS: from January 2012 to March 2014, all patients with at least one rectal swab positive for CRKP and at least 30 days of previous hospital stay were included in the study. The primary outcome measure was CRKP BSI, defined as a time-to-event endpoint...
April 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/27903130/risk-factors-and-mortality-in-the-carbapenem-resistant-klebsiella-pneumoniae-infection-case-control-study
#13
Fethiye Akgul, Ilkay Bozkurt, Mustafa Sunbul, Saban Esen, Hakan Leblebicioglu
Carbapenem-resistant Klebsiella pneumoniae (CRKP) has been known as a nosocomial pathogen, both for the last 10 years in Turkey and for 20 years worldwide. Due to limited treatment options and high mortality rates, despite improvements in the field of medicine at the present time, CRKP is still a big threat for public health. This study was carried out between the dates of January 2010 and September 2014. Patients ≥18 who were hospitalized for at least 72 h and who also had CRKP growth were included in the study as a case group...
October 2016: Pathogens and Global Health
https://www.readbyqxmd.com/read/27891222/epidemiology-of-klebsiella-pneumoniae-bloodstream-infections-in-a-teaching-hospital-factors-related-to-the-carbapenem-resistance-and-patient-mortality
#14
Lijun Tian, Ruoming Tan, Yang Chen, Jingyong Sun, Jialin Liu, Hongping Qu, Xiaoli Wang
BACKGROUND: Although Klebsiella pneumoniae bloodstream infections (KP-BSIs) have recently attracted attention due to an alarming raise in morbidity and mortality, there have been few reports on the epidemiology of KP-BSIs in mainland China. We sought to describe the epidemiological, microbiological, and clinical characteristics of KP-BSIs, focusing on the risk factors of carbapenem resistance and patient mortality. METHODS: A retrospective analysis of WHONET data of KP-BSI patients admitted to a teaching hospital in Shanghai, China, between January 1, 2011 and December 31, 2015 was performed, and the annual percentage of patients with carbapenem-resistant K...
2016: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/27716164/carbapenem-resistant-klebsiella-pneumoniae-influences-the-outcome-of-early-infections-in-liver-transplant-recipients
#15
Francesco Barchiesi, Roberto Montalti, Pamela Castelli, Daniele Nicolini, Silvia Staffolani, Federico Mocchegiani, Alessandro Fiorentini, Esther Manso, Marco Vivarelli
BACKGROUND: Infections remain a leading cause of morbidity and mortality among liver transplant (LT) recipients. The aim of our study was to define the factors associated with outcome of early bacterial and fungal infections in a cohort of patients who underwent LT at the University Hospital of Ancona over a nine year period. METHODS: All consecutive patients who underwent LT in our center were considered. An early infection was defined as occurring in the first month post-transplantation...
October 4, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27699025/allogeneic-stem-cell-transplantation-in-a-blast-phase-chronic-myeloid-leukemia-patient-with-carbapenem-resistant-klebsiella-pneumoniae-tricuspid-valve-endocarditis-a-case-report
#16
Bulent Kantarcioglu, Huseyin Saffet Bekoz, Fatih Erkam Olgun, Beytullah Cakal, Burak Arkan, Halil Turkoglu, Ali Mert, Deniz Sargin
In chronic myeloid leukemia (CML), the occurrence of blastic transformation is rare. Treatment outcome is generally poor. Allogeneic stem cell transplantation (allo-SCT) is the only potentially curative treatment option for advanced-phase CML. Infections caused by carbapenem-resistant Klebsiella pneumoniae (CRKP) isolates are associated with high morbidity and mortality rates, particularly in patients with haematological malignancies. Infection and colonization by these multiresistant bacteria may represent a challenge in SCT recipients for the management of post-transplantation complications, as well as for the eligibility to receive a transplant in patients who acquire the pathogen prior to the procedure...
October 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27622347/blaoxa-48-carrying-clonal-colistin-resistant-carbapenem-resistant-klebsiella-pneumoniae-in-neonate-intensive-care-unit-india
#17
Santosh Kumar Singh, Minakshi Gupta
Bacteria resistant to colistin, a last resort antibiotic reflect the pre-antibiotic era. In this study, colistin resistance carbapenem-resistant K. pneumoniae (COL(R)- CRKP) strains from neonate's intensive care unit were evaluated. Molecular analysis showed that all the four colistin resistant K. pneumoniae isolates were clonally related with strong biofilm formation ability and harbored blaSHV-34 and blaOXA-48 genes. Our result suggested the need of proper surveillance and adequate infection control to limiting the spread of these organisms...
November 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27531996/outbreak-by-ventilator-associated-st11-k-pneumoniae-with-co-production-of-ctx-m-24-and-kpc-2-in-a-sicu-of-a-tertiary-teaching-hospital-in-central-china
#18
Longhua Hu, Yanling Liu, Linqiang Deng, Qiaoshi Zhong, Yaping Hang, Zengzeng Wang, Lingling Zhan, Liangxing Wang, Fangyou Yu
The emergence of carbapenem-resistant Klebsiella pneumoniae (CRKP) often responsible for numerous hospital-associated outbreaks has become an important public health problem. From January 2013 to February 2014, a total of 41 non-duplicate K. pneumoniae isolates with carbapenem resistance, were collected at a tertiary teaching hospital in Nanchang, central China. Among 41 K. pneumoniae isolates, 28 were isolated from hospitalized patients including 19 from the patients in surgery intensive care unit (SICU) and 13 were isolated from ventilators...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27441063/epidemiology-of-carbapenem-resistant-klebsiella-pneumoniae-infections-in-mediterranean-countries
#19
REVIEW
Corrado Girmenia, Alessandra Serrao, Martina Canichella
Infections by Carbapenem-Resistant Enterobacteriaceae (CRE), in particular, carbapenem-resistant Klebsiella pneumoniae (CRKp), are a significant public health challenge worldwide. Resistance to carbapenems in enterobacteriaceae is linked to different mechanisms, including the production of the various types of enzymes like KPC, VIM, IMP, NDM, and OXA-48. Despite several attempts to control the spread of these infections at the local and national level, the epidemiological situation for CRKp had worsened in the last years in the Mediterranean area...
2016: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/27428072/bloodstream-infections-caused-by-klebsiella-pneumoniae-in-onco-hematological-patients-clinical-impact-of-carbapenem-resistance-in-a-multicentre-prospective-survey
#20
Enrico Maria Trecarichi, Livio Pagano, Bruno Martino, Anna Candoni, Roberta Di Blasi, Gianpaolo Nadali, Luana Fianchi, Mario Delia, Simona Sica, Vincenzo Perriello, Alessandro Busca, Franco Aversa, Rosa Fanci, Lorella Melillo, Federica Lessi, Maria Ilaria Del Principe, Chiara Cattaneo, Mario Tumbarello
The aim of this study was to identify risk factors for mortality in patients suffering from hematological malignancies (HMs) with bloodstream infections (BSIs) caused by Klebsiella pneumoniae (KP). We conducted a prospective cohort study on KP BSI in 13 Italian hematological units participating in the HEMABIS registry-SEIFEM group. The outcome measured was death within 21 days of BSI onset. Survivor and non-survivor subgroups were compared and Cox regression analysis was conducted to identify independent predictors of mortality...
November 2016: American Journal of Hematology
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