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https://www.readbyqxmd.com/read/28087318/etiologies-of-community-onset-urinary-tract%C3%A2-infections-requiring-hospitalization-and%C3%A2-antimicrobial-susceptibilities-of%C3%A2-causative-microorganisms
#1
Chih-Chien Chiu, Tzu-Chao Lin, Rui-Xin Wu, Ya-Sung Yang, Po-Jen Hsiao, Yi Lee, Jung-Chung Lin, Feng-Yee Chang
BACKGROUND: Community-onset urinary tract infections (CoUTIs) are the most common bacterial infections, and a decline in antibiotic susceptibility causes many clinical challenges. Adequate empiric antibiotic treatment can decrease unnecessary hospital stays and complications, while reducing the antimicrobial resistance progression. METHODS: From October 2014 to April 2015, we retrospectively enrolled patients who were at least 18 years old and required hospitalization for CoUTIs...
December 18, 2016: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/28077671/impact-of-long-term-care-facility-residence-on-the-antibiotic-resistance-of-urinary-tract-escherichia-coli-and-klebsiella
#2
Alicia Rosello, Andrew C Hayward, Susan Hopkins, Carolyne Horner, Dean Ironmonger, Peter M Hawkey, Sarah R Deeny
BACKGROUND: Long-term care facilities (LTCFs) are thought to be important reservoirs of antimicrobial-resistant (AMR) bacteria; however, there is no routine surveillance of resistance in LTCF residents, or large population-based studies comparing AMR in LTCFs with the community, so the relative burden of AMR in LTCFs remains unknown. OBJECTIVES: To compare the frequency of antibiotic resistance of urinary tract bacteria from residents of LTCFs for the elderly and adults aged 70 years or older living in the community...
January 10, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28051952/antimicrobial-susceptibility-of-gram-negative-eskape-pathogens-isolated-from-hospitalized-patients-with-intra-abdominal-and-urinary-tract-infections-in-asia-pacific-countries-smart-2013-2015
#3
James A Karlowsky, Daryl J Hoban, Meredith A Hackel, Sibylle Lob, Daniel F Sahm
Gram-negative ESKAPE pathogens (Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter spp.) are responsible for increases in antimicrobial-resistant infections worldwide. We determined in vitro susceptibilities to eight parenteral antimicrobial agents using CLSI broth microdilution methodology for gram-negative ESKAPE pathogens isolated from hospitalized patients with intra-abdominal infections (IAI) (n = 3,052) and urinary tract infections (UTI) (n = 1,088) in 11 countries/regions from 2013-2015...
January 3, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28033847/impact-of-polymicrobial-biofilms-in-catheter-associated-urinary-tract-infections
#4
Andreia S Azevedo, Carina Almeida, Luís F Melo, Nuno F Azevedo
Recent reports have demonstrated that most biofilms involved in catheter-associated urinary tract infections are polymicrobial communities, with pathogenic microorganisms (e.g. Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae) and uncommon microorganisms (e.g. Delftia tsuruhatensis, Achromobacter xylosoxidans) frequently co-inhabiting the same urinary catheter. However, little is known about the interactions that occur between different microorganisms and how they impact biofilm formation and infection outcome...
December 30, 2016: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/28031261/copper-is-a-host-effector-mobilized-to-urine-during-urinary-tract-infection-to-impair-bacterial-colonization
#5
Amanda N Hyre, Kylie Kavanagh, Nancy D Kock, George L Donati, Sargurunathan Subashchandrabose
Urinary tract infection (UTI) is a major global infectious disease affecting millions of people annually. Human urinary copper (Cu) content is elevated during UTI caused by uropathogenic E. coli (UPEC). UPEC upregulate the expression of Cu efflux genes during clinical UTI in patients as an adaptive response to host-derived Cu. Whether Cu is mobilized to urine as a host response to UTI and its role in protection against UTI remain unresolved. To address these questions, we tested the hypothesis that Cu is a host effector mobilized to urine during UTI to limit bacterial growth...
December 28, 2016: Infection and Immunity
https://www.readbyqxmd.com/read/28029092/clinical-risk-factors-bacterial-aetiology-and-outcome-of-urinary-tract-infection-in-children-hospitalized-with-diarrhoea-in-bangladesh
#6
R DAS, T Ahmed, H Saha, L Shahrin, F Afroze, A S M S B Shahid, K M Shahunja, P K Bardhan, M J Chisti
Urinary tract infection (UTI) is common in children aged <5 years with diarrhoea, but little is known about risk factors, aetiology and outcome of such children. We aimed to evaluate these knowledge gaps of UTI in children aged <5 years with diarrhoea. We enrolled all children aged <5 years with diarrhoea admitted to Dhaka Hospital of the International Centre for Diarrhoeal Disease Research, Bangladesh, between May 2011 and April 2013, who had history of fever (⩾38 °C) and obtained a urine sample for culture...
December 28, 2016: Epidemiology and Infection
https://www.readbyqxmd.com/read/28007308/a-point-prevalence-survey-of-healthcare-associated-infection-in-fifty-two-chinese-hospitals
#7
Y Chen, J Y Zhao, X Shan, X L Han, S G Tian, F Y Chen, X T Su, Y S Sun, L Y Huang, L Han
BACKGROUND: Healthcare-associated infection (HCAI) represents a major problem for patient safety worldwide. AIM: To demonstrate the prevalence, causative agents, and risk factors for HCAI in Chinese hospitals. METHODS: A one-day point-prevalence survey was conducted in 52 Chinese hospitals between October 2014 and March 2015. A web-based software system was developed for data entry and management. FINDINGS: Among 53,939 patients surveyed, the prevalence of patients with at least one HCAI was 3...
January 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/27994915/intravenous-colistin-use-for-multidrug-resistant-gram-negative-infections-in-pediatric-patients
#8
Ayşe Karaaslan, Eren Çağan, Eda Kepenekli Kadayifci, Serkan Atıcı, Gülşen Akkoç, Nurhayat Yakut, Sevliya Öcal Demir, Ahmet Soysal, Mustafa Bakır
BACKGROUND: The emergence of infections due to multidrug-resistant Gram-negative bacilli (MDR-GNB) has led to the resurrection of colistin use. The data on colistin use and drug-related adverse effects in children are scarce. AIMS: In this study, we aimed to evaluate the clinical efficacy and safety of colistin use in critically ill pediatric patients. STUDY DESIGN: This study has a retrospective study design. METHODS: Sixty-one critically ill children were identified through the department's patient files archive during the period from January 2011 to November 2014...
November 2016: Balkan Medical Journal
https://www.readbyqxmd.com/read/27979951/complete-genome-sequence-of-community-acquired-klebsiella-pneumoniae-kp36-a-strain-isolated-from-a-patient-with-an-upper-urinary-tract-infection
#9
Wei-Hung Lin, Po-Xing Zheng, Tsunglin Liu, Chin-Chung Tseng, Wei-Chu Chen, Ming-Cheng Wang, Jiunn-Jong Wu
Here, we announce the complete genome sequence of Klebsiella pneumoniae KP36, a strain isolated from a patient with a severe community-acquired urinary tract infection. This genome provides insights into the pathogenesis of a pandemic K. pneumoniae strain from a community-acquired urinary tract infection.
December 15, 2016: Genome Announcements
https://www.readbyqxmd.com/read/27979420/procalcitonin-levels-in-bloodstream-infections-caused-by-different-sources-and-species-of-bacteria
#10
Sheng Tao Yan, Li Chao Sun, Hong Bing Jia, Wen Gao, Jian Ping Yang, Guo Qiang Zhang
OBJECTIVE: The aim of this study was to evaluate procalcitonin (PCT) diagnostic accuracy in discriminating gram-negative (GN) from gram-positive (GP) bloodstream infections and determining the relationship between PCT levels, infection sites, and pathogen types. METHODS: Clinical and laboratory data were collected from patients with blood culture (BC)-positive sepsis between January 2014 and December 2015. PCT levels at different infection sites were compared, as was the presence of GN and GP bloodstream infection...
December 10, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27942542/carbapenem-resistant-klebsiella-pneumoniae-infection-in-three-new-york-city-hospitals-trended-downwards-from-2006-to-2014
#11
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/27909624/for-reliable-urine-cultures-in-the-detection-of-complicated-urinary-tract-infection-do-we-use-urine-specimens-obtained-with-urethral-catheter-or-a-nephrostomy-tube
#12
Gülay Dede, Özcan Deveci, Onur Dede, Mazhar Utanğac, Mansur Dağgulli, Necmettin Penbegül, Namık Kemal Hatipoğlu
OBJECTIVE: The aim of this study was to compare the results of urine cultures obtained either from urethral, and percutaneous nephrostomy (PCN) catheters. MATERIALS AND METHODS: This study included 328 consecutive patients that underwent PCN at our institution with complicated urinary tract infections (UTIs) between July 2010 and April 2015. Results of urine cultures obtained from the urethral and nephrostomy catheters were compared. RESULTS: This study included 152 male and 176 female patients...
December 2016: Turkish Journal of Urology
https://www.readbyqxmd.com/read/27895127/the-pathogenic-potential-of-proteus-mirabilis-is-enhanced-by-other-uropathogens-during-polymicrobial-urinary-tract-infection
#13
Chelsie E Armbruster, Sara N Smith, Alexandra O Johnson, Valerie DeOrnellas, Kathryn A Eaton, Alejandra Yep, Lona Mody, Weisheng Wu, Harry L T Mobley
Urinary catheter use is prevalent in health care settings, and polymicrobial colonization by urease-positive organisms, such as Proteus mirabilis and Providencia stuartii, commonly occurs with long-term catheterization. We previously demonstrated that coinfection with P. mirabilis and P. stuartii increased overall urease activity in vitro and disease severity in a model of urinary tract infection (UTI). In this study, we expanded these findings to a murine model of catheter-associated UTI (CAUTI), delineated the contribution of enhanced urease activity to coinfection pathogenesis, and screened for enhanced urease activity with other common CAUTI pathogens...
November 28, 2016: Infection and Immunity
https://www.readbyqxmd.com/read/27891414/paediatric-urinary-tract-infection-a-hospital-based-experience
#14
Khursheed Ahmed Wani, Mohd Ashraf, Javaid Ahmed Bhat, Nazir Ahmed Parry, Lubna Shaheen, Sartaj Ali Bhat
INTRODUCTION: Paediatric Urinary Tract Infection (UTI) is one of the commonly encountered entities by paediatricians. Studies have shown easy vulnerability of paediatric urinary tract in any acute febrile illness and a miss in diagnosis could have long term consequences like renal scaring with its adverse effects. Bearing these evidence based preludes in view we designed our study to know the prevalence of UTI in Kashmir province. AIM: Aim of the present study was to know the prevalence of UTI in febrile children and to know the sensitivity of different imaging modalities like Renal and Urinary Bladder Ultrasonography (RUS), Voiding Cystourethrography (VCUG) and Dimercaptosuccinic Acid (DMSA) scan in diagnosing UTI...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27885293/prevalence-of-extended-spectrum-beta-lactamase-producing-klebsiella-pneumoniae-isolated-from-urinary-tract-infected-patients
#15
P Chaudhary, D Bhandari, K Thapa, P Thapa, D Shrestha, H K Chaudhary, A Shrestha, H Parajuli, B P Gupta
BACKGROUND: Klebsiella pneumoniae, one of the bacterial agents associated with urinary tract infection has been often implicated as a major extended spectrum beta-lactamase (ESBL) producer in last few decades. This study was designed to assess the prevalence of ESBL producing Klebsiella pneumoniae in urinary isolates at a tertiary care hospital in Kathmandu, Nepal, from July to December 2014. METHODS: One thousand nine hundred eighty six mid-stream urine specimens were collected aseptically from the clinically suspected patients of urinary tract infections attending Capital Hospital and Research Center, Kathmandu...
May 2016: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/27876276/piperacillin-tazobactam-as-an-alternative-antibiotic-therapy-to-carbapenems-in-the-treatment-of-urinary-tract-infections-due-to-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae-an-in-silico-pharmacokinetic-study
#16
Hélène Guet-Revillet, Elise Tomini, Aurélie Emirian, Olivier Join-Lambert, Hervé Lécuyer, Jean-Ralph Zahar, Vincent Jullien
Piperacillin/tazobactam (TZP) as an alternative treatment to carbapenems for infections involving extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae (ESBL-PE) remains debated. In this study, the probabilities of pharmacodynamic (PD) target attainment with different TZP regimens in ESBL-producing Escherichia coli (ESBL-Ec) and Klebsiella pneumoniae (ESBL-Kp) were evaluated in the context of pyelonephritis. Minimum inhibitory concentrations (MICs) of 144 ESBL-Ec and 111 ESBL-Kp from pyelonephritis were measured, and two previously published population pharmacokinetic models were used to determine by Monte Carlo simulation the probabilities of reaching two PD targets (50%fT>MIC and 100%fT>MIC) with TZP doses of 4 g three times daily and 4...
January 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/27859671/rapid-differentiation-of-cocci-mixed-bacteria-from-rods-in-voided-urine-culture-of-women-with-uncomplicated-urinary-tract-infections
#17
Chun-Chun Yang, Stephen Shei-Dei Yang, Hui-Ching Hung, I-Ni Chiang, Chiung-Hui Peng, Shang-Jen Chang
OBJECTIVES: To evaluate the ability of laser flow cytometry to predict cocci/mixed growth in the pre-analytical phase of urine specimens. METHODS: We retrospectively reviewed urine samples from women with uncomplicated urinary tract infections from urologic clinics for study. Urine analyses were performed with laser flow cytometry (UF1000i, Sysmex, Kobe, Japan) and then diagrams were generated (forward scatter vs. fluorescent light scatter). Each specimen (bacteria count >357 BACT/μL) was classified as either cocci bacteria or rods/mixed growth according to the diagrams...
November 15, 2016: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/27858954/how-often-do-clinically-diagnosed-catheter-associated-urinary-tract-infections-in-nursing-homes-meet-standardized-criteria
#18
Chelsie E Armbruster, Katherine Prenovost, Harry L T Mobley, Lona Mody
OBJECTIVES: To determine the relationship between clinically diagnosed catheter-associated urinary tract infection (CAUTI) and standardized criteria and to assess microorganism-level differences in symptom burden in a cohort of catheterized nursing home (NH) residents. DESIGN: Post hoc analysis of a prospective longitudinal study. SETTING: Twelve NHs in southeast Michigan. PARTICIPANTS: NH residents with indwelling urinary catheters (n = 233; 90% white, 52% male, mean age 73...
November 14, 2016: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/27846254/extended-spectrum-beta-%C3%AE-lactamases-and-antibiogram-in-enterobacteriaceae-from-clinical-and-drinking-water-sources-from-bahir-dar-city-ethiopia
#19
Bayeh Abera, Mulugeta Kibret, Wondemagegn Mulu
BACKGROUND: The spread of Extended-Spectrum beta (β)-Lactamases (ESBL)-producing Enterobacteriaceae has become a serious global problem. ESBL-producing Enterobacteriaceae vary based on differences in antibiotic use, nature of patients and hospital settings. This study was aimed at determining ESBL and antibiogram in Enterobacteriaceae isolates from clinical and drinking water sources in Bahir Dar City, Northwest Ethiopia. METHODS: Enterobacteriaceae species were isolated from clinical materials and tap water using standard culturing procedures from September 2013 to March 2015...
2016: PloS One
https://www.readbyqxmd.com/read/27777984/molecular-epidemiology-of-colonizing-and-infecting-isolates-of-klebsiella-pneumoniae
#20
Rebekah M Martin, Jie Cao, Sylvain Brisse, Virginie Passet, Weisheng Wu, Lili Zhao, Preeti N Malani, Krishna Rao, Michael A Bachman
Klebsiella pneumoniae is among the most common causes of hospital-acquired infections and has emerged as an urgent threat to public health due to carbapenem antimicrobial resistance. K. pneumoniae commonly colonizes hospitalized patients and causes extraintestinal infections such as urinary tract infection, bloodstream infection (septicemia), and pneumonia. If colonization is an intermediate step before infection, then detection and characterization of colonizing isolates could enable strategies to prevent or empirically treat K...
September 2016: MSphere
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