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https://www.readbyqxmd.com/read/28637056/-urosepsis-in-children
#1
Josef Oswald
Urinary tract infections (UTI) are the most common infectious diseases in children. Urosepsis in childhood, though rare, is the most complicated possible variant. In newborns and infants, unspecific symptoms are a significant barrier to a fast and reliable diagnosis, which is crucial to successful treatment. In addition to urine and laboratory tests as well as non-invasive examinations (ultrasound), there may be an indication for invasive examinations of the kidneys (DMSA scans) in cases of a severe infection...
June 21, 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28621639/outcome-of-the-double-j-stent-placement-in-pediatric-kidney-transplant-a-single-center-experience
#2
Hakan Sözen, Onur Özen, Kibriya Fidan, Oğuz Söylemezoğlu, Aydın Dalgıç
OBJECTIVES: Double J stent placement at kidney transplant may reduce stenosis or leakage complication rates. However, placement may also increase risk for early urinary tract infection (ie, < 3 mo after transplant). In children, the usefulness of double J stent placement is not well defined. MATERIALS AND METHODS: We analyzed retrospective data from children who received transplants at the Gazi University Transplantation Center and Pediatric Nephrology (Ankara, Turkey) for outcomes related to double J stents...
June 16, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28612057/imaging-studies-and-biomarkers-to-detect-clinically-meaningful-vesicoureteral-reflux
#3
REVIEW
Michaella Maloney Prasad, Earl Y Cheng
The work-up of a febrile urinary tract infection is generally performed to detect vesicoureteral reflux (VUR) and its possible complications. The imaging modalities most commonly used for this purpose are renal-bladder ultrasound, voiding cystourethrogram and dimercapto-succinic acid scan. These studies each contribute valuable information, but carry individual benefits and limitations that may impact their efficacy. Biochemical markers are not commonly used in pediatric urology to diagnose or differentiate high-risk disease, but this is the emerging frontier, which will hopefully change our approach to VUR in the future...
June 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/28612056/critical-appraisal-of-the-top-down-approach-for-vesicoureteral-reflux
#4
REVIEW
Ahmed Abdelhalim, Antoine E Khoury
Vesicoureteral reflux (VUR) has been linked to recurrent urinary tract infections (UTIs), renal scarring, hypertension, renal insufficiency and end-stage kidney disease. Different imaging strategies have been proposed to approach children presenting with UTI to sort out patients with significant VUR while minimizing patient morbidity, radiation exposure and financial burden. None of these imaging strategies is universally accepted. The"top-down approach" (TDA) aims at restricting the number of voiding cystourethrograms (VCUGs) and its associated morbidity while identifying patients with clinically-significant reflux...
June 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/28605509/a-novel-homozygous-umod-mutation-reveals-gene-dosage-effects-on-uromodulin-processing-and-urinary-excretion
#5
Noel Edwards, Eric Olinger, Jennifer Adam, Michael Kelly, Guglielmo Schiano, Simon A Ramsbottom, Richard Sandford, Olivier Devuyst, John A Sayer
Heterozygous mutations in UMOD encoding the urinary protein uromodulin are the most common genetic cause of autosomal dominant tubulointerstitial kidney disease (ADTKD). We describe the exceptional case of a patient from a consanguineous family carrying a novel homozygous UMOD mutation (p.C120Y) affecting a conserved cysteine residue within the EGF-like domain III of uromodulin. Comparison of heterozygote and homozygote mutation carriers revealed a gene dosage effect with unprecedented low levels of uromodulin and aberrant uromodulin fragments in the urine of the homozygote proband...
June 10, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28592876/elongation-factor-tu-on-escherichia-coli-isolated-from-urine-of-kidney-stone-patients-promotes-calcium-oxalate-crystal-growth-and-aggregation
#6
Piyawan Amimanan, Ratree Tavichakorntrakool, Kedsarin Fong-Ngern, Pipat Sribenjalux, Aroonlug Lulitanond, Vitoon Prasongwatana, Chaisiri Wongkham, Patcharee Boonsiri, Jariya Umka Welbat, Visith Thongboonkerd
Escherichia coli is the most common bacterium isolated from urine and stone matrix of calcium oxalate (CaOx) stone formers. Whether it has pathogenic role(s) in kidney stone formation or is only entrapped inside the stone remains unclear. We thus evaluated differences between E. coli isolated from urine of patients with kidney stone (EUK) and that from patients with urinary tract infection (UTI) without stone (EUU). From 100 stone formers and 200 UTI patients, only four pairs of EUK/EUU isolates had identical antimicrobial susceptibility patterns...
June 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28592391/long-term-fate-of-the-upper-tracts-following-complete-primary-repair-of-bladder-exstrophy
#7
Jonathan S Ellison, Jennifer Ahn, Margarett Shnorhavorian, Richard Grady, Paul A Merguerian
INTRODUCTION: Complete primary repair of bladder exstrophy (CPRE) is widely used for classic bladder exstrophy (CBE) closure. Long-term renal function with or without dilation in these patients is poorly characterized and may be impacted by bladder storage parameters or recurrent urinary tract infections (UTIs). OBJECTIVE: We sought to assess our long-term experience with CPRE and investigate factors that may influence upper-tract deterioration. STUDY DESIGN: A retrospective review of patients at our institution with CBE undergoing CPRE from 1990 to 2015 was performed...
May 17, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28584456/isolation-rate-and-clinical-significance-of-uropathogens-in-positive-urine-cultures-of-hemodialysis-patients
#8
Katerina G Oikonomou, Adib Alhaddad
BACKGROUND: Hemodialysis (HD) patients are known to be vulnerable to infections. However, there are limited data on the urine microbiology spectrum among patients with end-stage renal disease and on the development of antimicrobial resistance of uropathogens in these patients. MATERIALS AND METHODS: A single-center, retrospective study was conducted to assess the spectrum and antimicrobial resistance profile of microorganisms isolated in urine cultures of HD patients who were hospitalized between September 2008 and August 2015 with an admitting diagnosis of fever, sepsis, or urinary tract infection...
April 2017: Journal of Global Infectious Diseases
https://www.readbyqxmd.com/read/28579794/diagnostic-applications-of-nuclear-magnetic-resonance-based-urinary-metabolomics
#9
REVIEW
Ana Capati, Omkar B Ijare, Tedros Bezabeh
Metabolomics is a rapidly growing field with potential applications in various disciplines. In particular, metabolomics has received special attention in the discovery of biomarkers and diagnostics. This is largely due to the fact that metabolomics provides critical information related to the downstream products of many cellular and metabolic processes which could provide a snapshot of the health/disease status of a particular tissue or organ. Many of these cellular products eventually find their way to urine; hence, analysis of urine via metabolomics has the potential to yield useful diagnostic and prognostic information...
2017: Magnetic Resonance Insights
https://www.readbyqxmd.com/read/28579134/the-impact-of-obesity-on-pediatric-inpatients-with-urinary-tract-infections-in-the-united-states
#10
Yusuke Okubo, Atsuhiko Handa
INTRODUCTION: Urinary tract infections (UTI) are common infectious disorders, and obesity is an increasing public health problem worldwide. Several studies have suggested that childhood obesity may be associated with the development of UTI. However, the potential effects of obesity on the clinical outcomes of UTI in children remain unknown. MATERIALS AND METHODS: Hospital discharge records for patients aged 18 years or younger with a diagnosis of UTI were extracted from the 2012 Kids' Inpatient Database...
May 24, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28579066/renal-transplantation-using-stone-bearing-deceased-donor-kidneys-experience-of-a-transplant-center-in-china
#11
Chuan-Bao Chen, Liang Zhao, Ming Han, Xiao-Ping Wang, Jian Zhou, Xiao-Peng Yuan, Chang-Xi Wang
OBJECTIVE: To evaluate the outcomes of transplantation of deceased donor stone-bearing kidneys. METHODS: A total of 32 patients who received renal transplantation at our center from July 2011 to June 2016 were included. Eight recipients received kidneys with incidental renal stone(s) (stone group). Twenty-four recipients received kidneys without renal stones (non-stone group). The transplantation outcomes of the 2 groups were compared. RESULTS: There was 1 case of postoperative urinary tract infection in the stone group, and 2 cases in the non-stone group...
June 1, 2017: Urology
https://www.readbyqxmd.com/read/28578087/role-of-antioxidant-defence-renal-toxicity-markers-and-inflammatory-cascade-in-disease-progression-of-acute-pyelonephritis-in-experimental-rat-model
#12
A Vysakh, Nair R Raji, D Suma, Kuriakose Jayesh, Mathew Jyothis, M S Latha
Urinary tract infections are the most common bacterial infections affecting millions of people each year worldwide. The animal model provides an excellent and suitable system for studying cystitis and pyelonephritis caused by Escherichia coli and other uropathogens. Using this established model, we evaluate the role of antioxidant defence system, renal injury markers, and blood parameters in the diseases progression during Escherichia coli infection on 0(th) day, 12h and 7(th) day. The antioxidant enzymes like SOD, CAT, GSH, GPx, GR levels were evaluated...
May 31, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28576434/-molecular-epidemiology-and-kinetics-of-early-escherichia-coli-urinary-tract-infections-in-kidney-transplant-recipients
#13
Parvine Tashk, Marie Lecronier, Olivier Clermont, Aurélie Renvoisé, Alexandra Aubry, Benoît Barrou, Alexandre Hertig, Mathilde Lescat, Olivier Tenaillon, Erick Denamur, Jérôme Tourret
BACKGROUND: Escherichia coli strains causing Urinary Tract Infections (UTI) have a fecal origin. METHODS: A fecal sample was collected before Kidney Transplantation (KT) and concomitantly with urine at each of the 15 E. coli UTIs which occurred in 11 KT recipients. Unique E. coli strains were identified among 25 isolates per feces and 5 isolates per urinary sample by random amplification of polymorphic DNA. Phylogenetic group (which is correlated to virulence in the E...
May 30, 2017: Néphrologie & Thérapeutique
https://www.readbyqxmd.com/read/28561517/malakoplakia-after-kidney-transplantation-case-report-and-literature-review
#14
John Fredy Nieto-Ríos, Isabel Ramírez, Mónica Zuluaga-Quintero, Lina María Serna-Higuita, Federico Gaviria-Gil, Alejandro Velez-Hoyos
Malakoplakia is a granulomatous disease associated with an infectious etiology, usually involving the urinary tract. It reveals itself as a recurrent urinary tract infection (r-UTI), and in some cases, it is associated with impairment of renal function. Immunosuppression is one of its main associated factors, and it has been increasingly described in patients with solid organ transplantation (SOT), mainly kidney transplantation. Macroscopically, it can form masses and sometimes it may be confused with neoplasia, which is why histological findings are fundamental for the diagnosis...
May 31, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28546238/persistent-fetal-lobulation-of-kidney-mimicking-renal-tumour
#15
Syed Muhammad Nazim, Muhibullah Bangash, Basit Salam
Renal pseudotumour is a term coined to describe conditions of renal anatomic variants that simulate focal renal pathology like a tumour on ultrasonography. These include persistent fetal lobulation, hypertrophy of Bertin columns and dromedary humps. We report a case of a 30-year-old nulliparous woman who was managed in gynaecology clinic for menorrhagia and was subsequently referred to us for management of recurrent urinary tract infections. The clinical examination was normal and on ultrasound scan, she was found to have multiple enlarged heterogeneous solid masses in both kidneys with significantly increased vascularity, suspicious for neoplastic lesions...
May 24, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28545489/cytotoxic-necrotizing-factor-1-cnf1-does-not-promote-e-coli-infection-in-a-murine-model-of-ascending-pyelonephritis
#16
Jason E Michaud, Kwang Sik Kim, William Harty, Matthew Kasprenski, Ming-Hsien Wang
BACKGROUND: Urinary tract infections (UTI) are among the most common and costly infections in both hospitalized and ambulatory patients. Uropathogenic E. coli (UPEC) represent the majority of UTI isolates and are a diverse group of bacteria that utilize a variety of virulence factors to establish infection of the genitourinary tract. The virulence factor cytotoxic necrotizing factor-1 (CNF1) is frequently expressed in clinical UPEC isolates. To date, there have been conflicting reports on the role of CNF1 in the pathogenesis of E...
May 25, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28540858/streptococcus-pneumoniae-urinary-tract-infection-in-pedeatrics
#17
Richard Pougnet, Jeanne Sapin, Loïc De Parscau, Laurence Pougnet
Streptococcus pneumoniae infections in children are most often lung infections or meningitis. Urinary tract infections are much rarer. We present the case of a urinary tract infection with Streptococcus pneumoniae. The clinical picture was classical. The urine culture showed the presence of Streptococcus pneumoniae in urine (10(4) UFC/mL; with 2 × 10(4) leucocytes/mL). The literature mentions a few cases of such infections. In some studies, the prevalence of Streptococcus pneumoniae in urine of children is less than 1%...
June 1, 2017: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/28533635/tc-99m-ethylenedicysteine-and-tc-99m-dimercaptosuccinic-acid-scintigraphy-comparison-of-the-two-for-detection-of-scarring-and-differential-cortical-function
#18
Anitha Dharmalingam, Shwetal U Pawar, Sandesh V Parelkar, Suruchi S Shetye, Mangala K Ghorpade, Gundu H Tilve
CONTEXT: The differential cortical function obtained by Tc-99m EC is comparable to that of Tc-99m DMSA. However, identification of scars on Tc-99m EC images needs to be studied. AIMS: The aim of the study is to evaluate role of Tc-99m EC for detection of scarring and differential cortical function by comparing with Tc-99m DMSA. SETTINGS AND DESIGN: Prospective observational study of recurrent UTI; minimum 6 weeks after acute episode; when urine examination is negative for pus cells...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28525997/increased-resistance-of-gram-negative-urinary-pathogens-after-kidney-transplantation
#19
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/28525344/morphometric-abnormalities-in-spleen-and-kidney-of-the-progeny-of-mice-fed-american-cranberry-extract-vaccinium-macrocarpon-during-pregnancy-and-lactation
#20
B J Bałan, S Lewicki, A K Siwicki, M Stelmasiak, P Skopiński, E Skopińska-Różewska, A Wasiutyński, R Zdanowski
Cranberries and cranberry-derived diet supplements are often recommended for the treatment of urinary tract infections, also during pregnancy. These products contain strongly anti-angiogenic chemical compounds which could not be indifferent to the developing fetus. In the present work we evaluated the effect of feeding pregnant and lactating mice American cranberry extract (daily dose 0.88 mg) on the morphology and some parameters of spleen and kidney function of their adult progeny. Six weeks after delivery the morphometry of spleen and kidney, cytometric analysis of spleen lymphocytes, evaluation of humoral response to SRBC (Sheep Red Blood Cells), and examination of serum creatinine/urea concentration, were performed in the offspring...
March 28, 2017: Polish Journal of Veterinary Sciences
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