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https://www.readbyqxmd.com/read/28792697/the-first-enterobacter-cloacae-co-producing-ndm-and-oxa-48-carbapenemases-and-interhospital-spread-of-oxa-48-and-ndm-producing-klebsiella-pneumoniae-in-turkey
#1
Demet Haciseyitoglu, Aysegul Dokutan, Ayham Abulaila, Fatma Erdem, Yasemin Cag, Serdar Ozer, Zerrin Aktas
BACKGROUND: The aim of this study was to investigate the occurrence of carbapenemase-producing Enterobacteriaceae. METHODS: A total of 54 carbapenem nonsusceptible Enterobacteriaceae (CRE) isolates were recovered from clinical samples sent to the Dr. Lutfi Kirdar Kartal Training and Research Hospital from the period 2011 through 2014. Forty-four isolates were Klebsiella pneumoniae (CRKP) and the other 10 were Enterobacter cloacae (CREC).The isolate identifications and antibiotic sensitivity tests were performed using a Vitek2 automatic system...
July 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28749714/risk-factors-for-carbapenem-resistant-klebsiella-pneumoniae-infection-a-meta-analysis
#2
Pin Liu, Xuan Li, Mei Luo, Xuan Xu, Kewen Su, Shuai Chen, Ying Qing, Yingli Li, Jingfu Qiu
AIMS: Carbapenem-resistant Klebsiella pneumoniae (CRKP) infection has been rapidly emerging as a life-threatening nosocomial disease in many countries. However, studies on the corresponding risk factors of CRKP infection showed inconsistent results. To resolve these inconsistencies, we conducted a meta-analysis of previous studies on the potential risk factors of CRKP infection. The results of this study could be used to develop CRKP infection prevention strategies. METHODS: Relevant works were systematically searched from five electronic databases up to September 2016...
July 27, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28714754/clinical-outcomes-associated-with-carbapenem-resistant-klebsiella-pneumoniae-crkp-in-abdominal-solid-organ-transplant-sot-recipients
#3
Tiffany E Bias, Gregory E Malat, Dong H Lee, Akshay Sharma, Alden M Doyle
No abstract text is available yet for this article.
July 17, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28705769/the-plasmid-mediated-fosfomycin-resistance-determinants-and-synergy-of-fosfomycin-and-meropenem-in-carbapenem-resistant-klebsiella-pneumoniae-isolates-in-taiwan
#4
Sung-Pin Tseng, Sheng-Fan Wang, Ling Ma, Ting-Yin Wang, Tsung-Ying Yang, L Kristopher Siu, Yin-Ching Chuang, Pei-Shan Lee, Jann-Tay Wang, Tsu-Lan Wu, Jung-Chung Lin, Po-Liang Lu
BACKGROUND: Epidemiology of fosfomycin susceptibility and the plasmid-mediated fosfomycinase genes of carbapenem-resistant Klebsiella pneumoniae (CRKP) isolates in Taiwan remain unclear. METHODS: 642 CRKP clinical isolates were collected from a nation-wide surveillance study (16 hospitals) in Taiwan in 2012-2013. Antimicrobial susceptibilities were determined. PFGE and MLST determined the clonal relatedness. Carbapenemases and fosfomycinases genes were detected by PCR, and their flanking regions were determined by PCR and sequencing...
June 28, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28695756/double-carbapenem-therapy-dct-for-bacteremia-due-to-carbapenem-resistant-klebsiella-pneumoniae-crkp-from-test-tube-to-clinical-practice
#5
Veena Venugopalan, Boris Nogid, Thy N Le, Shafiqur M Rahman, Tiffany E Bias
No abstract text is available yet for this article.
July 11, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28693691/prevalence-of-carbapenem-resistant-klebsiella-pneumoniae-crkp-and-the-distribution-of-class-1-integron-in-their-strains-isolated-from-a-hospital-in-central-china
#6
Qin Ou, Wenfang Li, Bei Li, Chunfang Yu
Objective The aim of our study is to investigate the prevalence of Carbapenem-resistant Klebsiella pneumoniae (CRKP) and the genetic characteristics of the class 1 integron in CRKP on multi-drug resistance.Methods Clinical Klebsiella pneumoniae strains were collected from multiple departments of a hospital in central China. CRKP strains were identified among the isolates, and antibiotics susceptibility of CRKP strains was analyzed. The polymerase chain reaction (PCR) was adopted to amplify the class 1 integron variable area...
June 10, 2017: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/28670975/carbapenem-resistant-klebsiella-pneumoniae-isolated-from-bloodstream-infection-indian-experience
#7
Balaji Veeraraghavan, Chaitra Shankar, Susmitha Karunasree, Shantha Kumari, Raji Ravi, Ravikar Ralph
Increased incidence of multidrug resistant (MDR) Gram negative infection has resulted in high rates of morbidity and mortality. Klebsiella pneumoniae is one of the commonest MDR pathogens causing bacteraemia with limited therapeutic options such as colistin and tigecycline. Present study focused on molecular characterisation of MDR K. pneumoniae from bloodstream infection and their clinical outcome. A total of 115 K. pneumoniae from January 2015 to September 2016 were included in the study which comprised of phenotypically identified ESBL and carbapenem resistant (CR) isolates...
July 2, 2017: Pathogens and Global Health
https://www.readbyqxmd.com/read/28659886/molecular-epidemiology-and-risk-factors-of-carbapenem-resistant-klebsiella-pneumoniae-infections-in-eastern-china
#8
Bing Zheng, Yingxin Dai, Yang Liu, Weiyang Shi, Erkuan Dai, Yichao Han, Dandan Zheng, Yuetian Yu, Min Li
Background: The increasing prevalence of carbapenem-resistant Klebsiella pneumoniae (CRKP) poses an immediate threat to treatment worldwide. This retrospective study assessed the molecular epidemiology and determined the risk factors for and outcomes of CRKP infections in a general teaching hospital in Shanghai, China. Methods: From January 2013 to July 2015, 100 consecutive unique CRKP isolates isolated from hospitalized patients were collected. Isolates were screened for antibiotic resistance genes by polymerase chain reaction and molecular typing was performed by pulsed-field gel electrophoresis (PFGE)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28643488/multidrug-resistance-mechanisms-of-carbapenem-resistant-klebsiella-pneumoniae-strains-isolated-in-chongqing-china
#9
Jinrong Yan, Shuli Pu, Xiaojiong Jia, Xiuyu Xu, Shuangshuang Yang, Jing Shi, Shan Sun, Liping Zhang
BACKGROUND: Carbapenem-resistant Klebsiella pneumoniae (CRKP) is considered a serious global threat. However, little is known regarding the multidrug resistance (MDR) mechanisms of CRKP. This study investigated the phenotypes and MDR mechanisms of CRKP and identified their clonal characteristics. METHODS: PCR and sequencing were utilized to identify antibiotic resistance determinants. Integron gene cassette arrays were determined by restriction fragment length polymorphism (RFLP) analysis...
September 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28594635/epidemiology-of-carbapenem-resistant-klebsiella-pneumoniae-bloodstream-infections-in-a-chinese-children-s-hospital-predominance-of-new-delhi-metallo-%C3%AE-lactamase-1
#10
Fang Dong, Ye Zhang, Kaihu Yao, Jie Lu, Lingyun Guo, Shuang Lyu, Ying Yang, Yan Wang, Hongyan Zheng, Wenqi Song, Gang Liu
The spread of carbapenem-resistant Klebsiella pneumoniae (CRKp) has become a significant problem worldwide; however, relevant data in children are limited. We performed a retrospective study to better understand the epidemiology of CRKp bloodstream infections at Beijing Children's Hospital. A total of 164 K. pneumoniae strains were collected from blood cultures between January 2011 and September 2014, of which 52 (31.7%) were CRKp strains. All 52 CRKp strains were multidrug resistant; 46 (88.5%) and 49 (94...
June 8, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28560183/outbreak-by-hypermucoviscous-klebsiella-pneumoniae-st11-isolates-with-carbapenem-resistance-in-a-tertiary-hospital-in-china
#11
Lingling Zhan, Shanshan Wang, Yinjuan Guo, Ye Jin, Jingjing Duan, Zhihao Hao, Jingnan Lv, Xiuqin Qi, Longhua Hu, Liang Chen, Barry N Kreiswirth, Rong Zhang, Jingye Pan, Liangxing Wang, Fangyou Yu
Hypervirulent and multidrug resistant Klebsiella pneumoniae strains pose a significant threat to the public health. In the present study, 21 carbapenem-resistant K. pneumoniae isolates (CRKP) were determined by the string test as hypermucoviscous K. pneumoniae (HMKP), with the prevalence of 15.0% (21/140) among CRKP, and 1.1% (21/1838) among all K. pneumoniae isolates. Among them, 7 (33.3%), and 1 (4.76%) isolate belonged to capsular serotype K20 and K2 respectively, while 13 (61.9%, 13/21) weren't successfully typed by capsular serotyping...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28542162/carbapenem-resistant-klebsiella-pneumoniae-in-barbados-driving-change-in-practice-at-the-national-level
#12
Corey Forde, Bryan Stierman, Pilar Ramon-Pardo, Thais Dos Santos, Nalini Singh
INTRODUCTION: Carbapenem-resistant Klebsiella pneumoniae (CRKP) is of growing concern globally. The risk for transmission of antimicrobial resistant organisms across several continents to the Caribbean is a real one given its tourism industry. After a cluster of cases of CRKP were detected, several studies detailed in this report were initiated to better characterize the problem. METHODS: A hospital-wide point prevalence study and active surveillance were performed at Queen Elizabeth Hospital (QEH) in Barbados in 2013 to assess the prevalence of CRKP infection/colonization...
2017: PloS One
https://www.readbyqxmd.com/read/28533243/roles-of-ramr-and-tet-a-mutations-in-conferring-tigecycline-resistance-in-carbapenem-resistant-klebsiella-pneumoniae-clinical-isolates
#13
Sheng-Kang Chiu, Li-Yueh Huang, Hsi Chen, Yu-Kuo Tsai, Ci-Hong Liou, Jung-Chung Lin, L Kristopher Siu, Feng-Yee Chang, Kuo-Ming Yeh
Tigecycline is regarded as a last-resort treatment for carbapenem-resistant Klebsiella pneumoniae (CRKP) infections, but increasing numbers of tigecycline-resistant K. pneumoniae isolates have been reported. The tigecycline resistance mechanisms in CRKP are undetermined. This study aimed to elucidate the mechanisms underlying tigecycline resistance in 16 tigecycline- and carbapenem-resistant K. pneumoniae (TCRKP) isolates. Mutations in tigecycline resistance determinant genes [ramR, acrR, oqxR, tet(A), tet(L), tet(X), tet(M), rpsJ] were assessed by PCR amplicon sequencing, and mutations in ramR and tet(A) exhibited high prevalences individually (81%) and in combination (63%)...
August 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28458051/emergence-and-nosocomial-spread-of-carbapenem-resistant-oxa-232-producing-klebsiella-pneumoniae-in-brunei-darussalam
#14
Muhd Haziq Fikry Abdul Momin, Apostolos Liakopoulos, Lynette M Phee, David W Wareham
OBJECTIVES: Carbapenem-resistant Enterobacteriaceae (CRE) are identified as a major global health concern. The success of CRE is facilitated by the emergence, acquisition and spread of successful clones carrying plasmid-encoded resistance genes. In this study, an outbreak of carbapenem-resistant Klebsiella pneumoniae (CRKP) infections in patients hospitalised in Brunei Darussalam was investigated. METHODS: Over a 3-month period (May-July 2015), five multidrug-resistant K...
June 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28457370/carbapenem-resistant-klebsiella-pneumoniae-infections-early-after-liver-transplantation-a-single-center-experience
#15
E Mazza, M Prosperi, M F Panzeri, R Limuti, M Nichelatti, A De Gasperi
The aims of this study were to define in a cohort of 310 liver transplant recipients, the incidence of post-liver transplantation (LT) non-carbapenem-resistant Klebsiella pneumoniae (CRKP) and CRKP infections, pre- and post-LT CRKP colonization, CRKP-associated mortality, and risk factors for non-CRKP and CRKP infections. Every patient was screened for CRKP immediately before and after LT. The 6-month survival rate was 95%. Fifty-two patients became infected (16.5%): 8 by CRKP (2.5%) and 44 (14%) by a non-CRKP micro-organism...
May 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28450933/retrospective-analysis-of-fosfomycin-combinational-therapy-for-sepsis-caused-by-carbapenem-resistant-klebsiella-pneumoniae
#16
Yun Liao, Guang-Hui Hu, Yun-Fei Xu, Jian-Ping Che, Ming Luo, Hai-Min Zhang, Bo Peng, Xu-Dong Yao, Jun-Hua Zheng, Min Liu
The aim of the present study was to compare the efficacy and safety of fosfomycin combinational therapy with other antibiotics for the treatment of infections caused by carbapenem-resistant Klebsiella pneumoniae (CRKP). This retrospective cohort study examined 104 cases of sepsis caused by CRKP occurring between January 2012 and November 2014 in Shanghai Tenth People's Hospital. Three categories of patient outcome were assessed: Survival/mortality, duration of intensive care unit stays and duration of medical ventilation...
March 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28388651/tigecycline-resistance-among-carbapenem-resistant-klebsiella-pneumoniae-clinical-characteristics-and-expression-levels-of-efflux-pump-genes
#17
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
#18
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
#19
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
#20
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
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