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https://www.readbyqxmd.com/read/28542707/-urinary-tract-infection-requiem-for-a-heavyweight
#1
Thomas E Finucane
"Urinary tract infection" ("UTI") is an ambiguous, expansive, overused diagnosis that can lead to marked, harmful antibiotic overtreatment. "Significant bacteriuria," central to most definitions of "UTI," has little significance in identifying individuals who will benefit from treatment. "Urinary symptoms" are similarly uninformative. Neither criterion is well defined. Bacteriuria and symptoms remit and recur spontaneously. Treatment is standard for acute uncomplicated cystitis and common for asymptomatic bacteriuria, but definite benefits are few...
May 19, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28536292/capsule-production-and-glucose-metabolism-dictate-fitness-during-serratia-marcescens-bacteremia
#2
Mark T Anderson, Lindsay A Mitchell, Lili Zhao, Harry L T Mobley
Serratia marcescens is an opportunistic pathogen that causes a range of human infections, including bacteremia, keratitis, wound infections, and urinary tract infections. Compared to other members of the Enterobacteriaceae family, the genetic factors that facilitate Serratia proliferation within the mammalian host are less well defined. An in vivo screen of transposon insertion mutants identified 212 S. marcescens fitness genes that contribute to bacterial survival in a murine model of bloodstream infection...
May 23, 2017: MBio
https://www.readbyqxmd.com/read/28525997/increased-resistance-of-gram-negative-urinary-pathogens-after-kidney-transplantation
#3
Johannes Korth, Julia Kukalla, Peter-Michael Rath, Sebastian Dolff, Marco Krull, Hana Guberina, Anja Bienholz, Benjamin Wilde, Stefan Becker, Birgit Ross, Olympia Evdoxia Anastasiou, Andreas Kribben, Oliver Witzke
BACKGROUND: Urinary tract infection is the most common complication after kidney transplantation. It can cause severe sepsis and transplant loss. Emergence of drug resistance among gram-negative urinary pathogens is the current challenge for urinary tract infection treatment after kidney transplantation. METHODS: This study analyzes the antimicrobial susceptibility of gram-negative urinary pathogens after kidney transplantation from 2009 to 2012 at the Transplant Outpatient Clinic of the University Hospital Essen, Germany...
May 19, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28523017/antibiotic-susceptibility-in-commonly-isolated-pathogens-from-urinary-tract-infection-in-a-cohort-of-subjects-from-low-socioeconomic-strata
#4
Saera Suhail Kidwai, Ayesha Nageen, Samina Ghaznavi, Farhat Bashir, Jamal Ara
BACKGROUND AND OBJECTIVE: Urinary tract infection is one of the commonest infections seen in clinical practice. Lack of compliance and unjustified antibiotic prescriptions has resulted in bacterial resistance and is proving as a major challenge in the management of these infections. Our aim was to identify the sensitivity pattern of commonly used antibiotics against urinary tract infections so as to suggest an improvised line of action against bacteria causing urinary tract infections'...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28513811/an-initially-unidentified-case-of-urinary-tract-infection-due-to-aerococcus-urinae
#5
Georgios Meletis, Dimitrios Chatzidimitriou, Fani Tsingerlioti, Fani Chatzopoulou, Georgios Tzimagiorgis
Aerococcus urinae is a microorganism responsible for urinary tract and blood stream infections which are rarely reported in clinical practice. However, it has been proposed that the infrequency of such reports may be partially due to difficulties related to pathogen identification. We present here a case of an elderly male patient with urinary tract infection where A. urinae was initially not identified by a private microbiology laboratory. Our report highlights the need to consider A. urinae as a causative agent of urinary tract infections because if not identified and properly treated it may lead to endocarditis or septicemia...
May 17, 2017: New Microbiologica
https://www.readbyqxmd.com/read/28510991/development-of-a-panel-of-recombinase-polymerase-amplification-assays-for-detection-of-common-bacterial-urinary-tract-infection-pathogens
#6
Balakrishnan Raja, Heather J Goux, Archana Marapadaga, Sri Rajagopalan, Katerina Kourentzi, Richard C Willson
AIMS: To develop and evaluate the performance of a panel of isothermal real-time recombinase polymerase amplification (RPA) assays for detection of common bacterial urinary tract infection (UTI) pathogens. METHODS AND RESULTS: The panel included RPAs for Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis, Pseudomonas aeruginosa, and Enterococcus faecalis. All five RPAs required reaction times of under 12 minutes to reach their lower limit of detection of 100 genomes per reaction or less, and did not cross-react with high concentrations of non-target bacterial genomic DNA...
May 16, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28491325/propionimicrobium-lymphophilum-and-actinotignum-schaalii-bacteraemia-a-case-report
#7
M Ikeda, T Kobayashi, T Suzuki, Y Wakabayashi, Y Ohama, S Maekawa, S Takahashi, Y Homma, K Tatsuno, T Sato, S Okugawa, K Moriya, H Yotsuyanagi
Propionimicrobium lymphophilum is an anaerobic Gram-positive bacillus that exists in human skin and urinary tract. The pathogenicity is, however, not well known. Only two cases of urinary tract infection have been described recently. In the case presented here, the bacterium was isolated, concomitant with Actinotignum schaalii, from blood culture of a patient with fever and difficulty of urination. The bacteria were identified by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry and 16S rRNA sequencing...
July 2017: New Microbes and New Infections
https://www.readbyqxmd.com/read/28489364/fate-of-d-fagomine-after-oral-administration-to-rats
#8
Susana Amézqueta, Sara Ramos-Romero, Carolina Martínez-Guimet, Albert Moreno, Mercè Hereu, Josep Lluis Torres
D-Fagomine is an iminosugar found in buckwheat that is capable of inhibiting the adhesion of potentially pathogenic bacteria to epithelial mucosa and of reducing postprandial blood glucose concentration. This paper evaluates the excretion and metabolism of orally administered D-fagomine in rats and compares outcomes with the fate of 1-deoxynojirimycin. D-Fagomine and 1-deoxynojirimycin show similar absorption and excretion kinetics. D-Fagomine is partly absorbed (41-84%, dose 2 mg/kg body weight) and excreted in urine within 8 h while non-absorbed fraction is cleared in feces within 24 h...
May 10, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28479017/reduced-nosocomial-infection-rate-in-a-neonatal-intensive-care-unit-during-a-4-year-surveillance-period
#9
Yong-Chuan Chen, Chen-Fu Lin, Yun-Jiau Fuh Rehn, Juei-Chao Chen, Po-Yen Chen, Chao-Huei Chen, Teh-Ming Wang, Fang-Liang Huang
BACKGROUND: Hospital-acquired infections are a leading cause of morbidity and mortality in neonatal intensive care units (NICU). The aim of the study was to investigate the change of nosocomial infection rate in a NICU during a 4-year surveillance period. METHODS: We investigated the changes in nosocomial infection rates, infection sites, and microorganism species in a NICU before and after the unit was moved to a new location, extending from November 2008 to October 2012...
May 3, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28478968/an-unusual-case-of-urinary-tract-infection-caused-by-saprochaete-capitata-under-anidulafungin-treatment
#10
G Hazirolan, A Aypak, N Aksu
Saprochaete capitata may cause uncommon severe infections, especially in immunocompromised patients. Here, we describe a rare case of urinary tract infection by S. capitata in a chronic kidney disease and diabetes mellitus patient, which occur during anidulafungin therapy. Mycological examinations of urine were positive to S. capitata identified by mass spectrometry and confirmed by ITS sequencing. Minimum inhibitory concentration (MIC) of the isolate for amphotericin B, fluconazole, itraconazole, voriconazole and, anidulafungin were 2, 16, 1, 1, and 8μg/mL, respectively...
May 3, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28475768/white-paper-developing-antimicrobial-drugs-for-resistant-pathogens-narrow-spectrum-indications-and-unmet-needs
#11
Helen W Boucher, Paul G Ambrose, H F Chambers, Richard H Ebright, Amanda Jezek, Barbara E Murray, Jason G Newland, Belinda Ostrowsky, John H Rex
Despite progress in antimicrobial drug development, a critical need persists for new, feasible pathways to develop antibacterial agents to treat people infected with drug-resistant bacteria. Infections due to resistant Gram-negative bacilli continue to cause unacceptable morbidity and mortality. Antibacterial agents have been traditionally studied in non-inferiority clinical trials that focus on one site of infection (eg, complicated urinary tract infections, intra-abdominal infections), yet these designs may not be optimal, and often are not feasible, for study of infections caused by drug-resistant bacteria...
May 5, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28475170/urinary-tract-infections-in-postmenopausal-women-with-type-2-diabetes-clinical-correlates-and-quinolone-susceptibility
#12
Martyna Borowczyk, Anna Chmielarz-Czarnocińska, Paula Faner, Andrzej Paciorkowski, Jan K Nowak, Ewelina Szczepanek-Parulska, Marek Ruchała, Maciej Cymerys
INTRODUCTION    Both diabetes mellitus and the postmenopausal period predispose to urinary tract infections (UTIs). However, the data on UTIs in postmenopausal diabetics are scarce.  OBJECTIVES    The aim was to determine the prevalence of UTIs in postmenopausal women with type 2 DM (T2DM), identify the potential risk factors, describe the causative pathogens, and assess their susceptibility to quinolones. PATIENTS AND METHODS    The patients were interviewed, examined, and had their hospital records analyzed...
May 5, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/28473226/kennedy-disease-x-linked-recessive-bulbospinal-neuronopathy-a-comprehensive-review-from-pathophysiology-to-therapy
#13
REVIEW
G Querin, G Sorarù, P-F Pradat
Kennedy's disease, also known as spinal and bulbar muscular atrophy (SBMA), is a rare, adult-onset, X-linked recessive neuromuscular disease caused by expansion of a CAG repeat sequence in exon 1 of the androgen receptor gene (AR) encoding a polyglutamine (polyQ) tract. The polyQ-expanded AR accumulates in nuclei, and initiates degeneration and loss of motor neurons and dorsal root ganglia. While the disease has long been considered a pure lower motor neuron disease, recently, the presence of major hyper-creatine-kinase (CK)-emia and myopathic alterations on muscle biopsy has suggested the presence of a primary myopathy underlying a wide range of clinical manifestations...
May 1, 2017: Revue Neurologique
https://www.readbyqxmd.com/read/28470147/assessment-of-urinary-pharmacokinetics-and-pharmacodynamics-of-orbifloxacin-in-healthy-dogs-with-ex-vivo-modelling
#14
Takae Shimizu, Kazuki Harada, Saki Manabe, Taku Tsukamoto, Norihiko Ito, Yoshiaki Hikasa
PURPOSE: The aim of this study was to investigate the urinary pharmacokinetics (PK) of orbifloxacin (OBFX) administered at 5 mg kg-1 in six healthy dogs. A further aim was to use an ex vivo model to evaluate the urinary PK and pharmacodynamics (PD) of OBFX to determine its urinary bactericidal titre (UBT), which represents the maximal dilution of urine allowing bactericidal activity. METHODOLOGY: Fourteen urinary tract infection (UTI) pathogenic strains of five bacterial species (Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae, Proteus mirabilis and Staphylococcuspseudintermedius) were used...
May 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28469304/fosfomycin-susceptibility-among-multidrug-resistant-extended-spectrum-beta-lactamase-producing-carbapenem-resistant-uropathogens
#15
Sayantan Banerjee, Mallika Sengupta, Tanoy Kumer Sarker
INTRODUCTION: Urinary tract infection (UTI) is one of the most common infectious diseases. With the emergence of multidrug resistance (MDR), therapeutic options for treatment of UTIs are becoming limited. Fosfomycin has emerged as a novel oral therapeutic option with bactericidal activity against the MDR uropathogens. We evaluated the susceptibility pattern of uropathogens to this antibiotic. METHODS: A prospective study was conducted for 6 months in a tertiary care hospital in Eastern India to evaluate whether the common uropathogens were susceptible to fosfomycin...
April 2017: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/28468965/cell-specific-qrt-pcr-of-renal-epithelial-cells-reveals-a-novel-innate-immune-signature-in-murine-collecting-duct
#16
Vijay Saxena, David S Hains, John Ketz, Melinda Chanley, John D Spencer, Brian Becknell, Keith R Pierce, Raoul D Nelson, Jeffrey M Purkerson, George J Schwartz, Andrew L Schwaderer
The urinary tract is usually culture negative despite its close proximity to microbial flora. The precise mechanisms by which the kidneys and urinary tract defends against infection is not well understood. The initial kidney cells to encounter ascending pathogens are the collecting tubule cells which consist of principal cells (PCs) that express aquaporin 2 (AQP2) and intercalated cells (ICs) that express vacuolar H+-ATPase (V-ATPase, B1 subunit). We have previously shown that ICs are involved with the human renal innate immune defense...
May 3, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28464828/analysis-of-patients-with-diabetes-and-complicated-intra-abdominal-infection-or-complicated-urinary-tract-infection-in-phase-3-trials-of-ceftolozane-tazobactam
#17
Myra W Popejoy, Jianmin Long, Jennifer A Huntington
BACKGROUND: Diabetes mellitus and hyperglycemia are associated with increased susceptibility to bacterial infections and poor treatment outcomes. This post hoc evaluation of the treatment of complicated intra-abdominal infections (cIAI) and complicated urinary tract infections (cUTI) aimed to evaluate baseline characteristics, efficacy, and safety in patients with and without diabetes treated with ceftolozane/tazobactam and comparators. Ceftolozane/tazobactam is an antibacterial with potent activity against Gram-negative pathogens and is approved for the treatment of cIAI (with metronidazole) and cUTI (including pyelonephritis)...
May 2, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28460614/the-prevalence-of-pila-and-algd-virulence-genes-in-pseudomonas-aeruginosa-urinary-tract-and-tracheal-isolates
#18
Hassan Valadbeigi, Nourkhoda Sadeghifard, Majid Baseri Salehi
P. aeruginosa is one of the bacteria opportunistic that played main role in pathogenicity of patient in urinary tract infection (UTI) and respiratory tract infections. So, the aim of this study was to evaluate the prevalence of virulence genes including algD and pilA among Pseudomonas aeruginosa in urinary tract infection and tracheal isolates. After DNA extraction of clinical isolates, polymerase chain reaction was performed, and the results highlighted algD in all isolates, while pilA was dominant in tracheal isolates...
April 27, 2017: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/28458795/a-systematic-review-of-quality-indicators-for-appropriate-antibiotic-use-in-hospitalized-adult-patients
#19
REVIEW
Marlot C Kallen, Jan M Prins
Many quality indicators for appropriate antibiotic use have been developed. We aimed to make a systematic inventory, including the development methodology and validation procedures, of currently available quality indicators (QIs) for appropriate antibiotic use in hospitalized adult patients. We performed a literature search in the Pubmed interface. From the included articles we abstracted i) the indicators developed ii) the type of infection the QIs applied to iii) study design used for the development of the QIs iv) relation of the QIs to outcome measures v) whether the QIs were validated and vi) the characteristics of the validation cohort...
March 30, 2017: Infectious Disease Reports
https://www.readbyqxmd.com/read/28458711/urinary-tract-infections-in-kidney-transplant-recipients-1-st-year-after-transplantation
#20
Seyyede Fatemeh Shams, Elham Shaarbaf Eidgahi, Zahra Lotfi, Azad Khaledi, Sepideh Shakeri, Maryam Sheikhi, Afsane Bahrami
BACKGROUND: One of the main causes of adverse complications following kidney transplantation is urinary tract infection (UTI). This study was done to define the incidence rate, clinical profiles, causative microorganisms, and UTI risk factors among kidney transplant recipients in Mashhad city. MATERIALS AND METHODS: In this retrospective study, we perused medical files of 247 kidney recipients who underwent transplant surgery at Mashhad University Montaserie Hospital, during 2012-2014...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
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