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https://www.readbyqxmd.com/read/28102784/model-systems-for-the-study-of-enterococcal-colonization-and-infection
#1
H M Sharon Goh, M H Adeline Yong, Kelvin Kian Long Chong, Kimberly A Kline
Enterococcus faecalis and Enterococcus faecium are common inhabitants of the human gastrointestinal tract, as well as frequent opportunistic pathogens. Enterococci cause a range of infections including, most frequently, infections of the urinary tract, catheterized urinary tract, bloodstream, wounds and surgical sites, and heart valves in endocarditis. Enterococcal infections are often biofilm-associated, polymicrobial in nature, and resistant to antibiotics of last resort. Understanding Enterococcal mechanisms of colonization and pathogenesis are important for identifying new ways to manage and intervene with these infections...
January 19, 2017: Virulence
https://www.readbyqxmd.com/read/28102554/what-are-the-predicting-factors-for-the-therapeutic-effects-of-dutasteride-in-male-patients-with-lower-urinary-tract-symptoms-investigation-using-a-urodynamic-study
#2
Yoshihisa Matsukawa, Masashi Kato, Yasuhito Funahashi, Tsuyoshi Majima, Tokunori Yamamoto, Momokazu Gotoh
AIMS: We investigated predicting factors for the therapeutic effects of dutasteride in patients with lower urinary tract symptoms (LUTS) due to benign prostatic enlargement (BPE) based on a urodynamic study (UDS). METHODS: This was a single-center, prospective study involving 120 male outpatients with LUTS. They received 0.5 mg of dutasteride per day for 12 months. IPSS, OABSS, IPSS-QOL, and UDS were used for assessing subjective and objective symptoms prior to and 12 months after administration...
January 19, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28102436/-urethral-stricture-rate-after-prostate-cancer-radiotherapy-five-year-data-of-a-certified-prostate-cancer-center
#3
J Kranz, G Maurer, U Maurer, O Deserno, S Schulte, J Steffens
BACKGROUND: A urethral stricture is a scar of the urethral epithelium which can cause obstructive voiding dysfunction with consequential damage of the upper urinary tract. Almost 45% of all strictures are iatrogenic; they develop in 2-9% of patients after radical prostatectomy, but can also occur after prostate cancer radiotherapy. This study provides 5‑year data of a certified prostate cancer center (PKZ) in terms of urethral strictures. MATERIALS AND METHODS: Between 01/2008 and 12/2012 a total of 519 men were irradiated for prostate cancer (LDR and HDR brachytherapy as well as external beam radiation)...
January 19, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28102030/impact-of-sodium-glucose-cotransporter-2-inhibitors-on-nonglycemic-outcomes-in-patients-with-type-2-diabetes
#4
Jennifer M Trujillo, Wesley A Nuffer
The efficacy of the sodium-glucose cotransporter 2 (SGLT2) inhibitors canagliflozin, dapagliflozin, and empagliflozin in reducing hyperglycemia in patients with type 2 diabetes is well documented. In addition, positive effects have been observed with these agents on nonglycemic variables, such as reductions in body weight and blood pressure, which may confer additional health benefits. SGLT2 inhibitors are also associated with evidence of renal-protecting benefits. Furthermore, during the landmark Empagliflozin, Cardiovascular Outcomes, and Mortality in Type 2 Diabetes (EMPA-REG OUTCOME) trial, a substantial reduction in major adverse cardiovascular outcomes was demonstrated with empagliflozin therapy...
January 19, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28101682/synthesis-spectral-and-extended-spectrum-beta-lactamase-studies-of-transition-metal-tetraaza-macrocyclic-complexes
#5
Dinesh Kumar, Nutan Sharma, Manjula Nair
Urinary tract infections commonly occur in humans due to microbial pathogens invading the urinary tract, which can bring about a range of clinical symptoms and potentially fatal sequelae. The present study is aimed at addressing the development of a new antimicrobial agent against extended spectrum beta lactamase (ESBL) producing E. coli bacteria. We have synthesised some biologically potent (NNNN) donor macrocycles (L 1  = dibenzo[f,n]dipyrido[3,4-b:4',3'-j][1,4,9,12]tetraazacyclohexadecine-6,11,18,23(5H,12H, 7H, 24H)-tetraone, and L 2  = 6,12,19,25-tetraoxo-4,6,11,12,16,18,23,24-octahydrotetrabenzo [b,g,k,p][1,5,10,14]tetra azacyclooctadecine-2,13-dicarboxylic acid) and their Ti and Zr metal complexes in alcoholic media using microwave protocol...
January 18, 2017: Journal of Biological Inorganic Chemistry: JBIC
https://www.readbyqxmd.com/read/28101501/classical-presentation-of-acute-pyelonephritis-in-a-case-of-brucellosis
#6
Wadha Alfouzan, Sara Al-Sahali, Hawra'a Sultan, Rita Dhar
Although Brucella species is known to affect almost all organs in humans, renal involvement presenting as acute pyelonephritis remains a rare entity in brucellosis. We report the case of a female patient who presented with symptoms of fever with chills, right loin pain and dysuria in the emergency room. Blood cultures drawn at the time of admission grew Brucella spp., but no organisms were isolated from urine culture although urinalysis data was indicative of urinary tract infection. Empiric therapy with piperacillin/tazobactam plus gentamicin relieved her symptoms...
May 2016: Case Reports in Nephrology and Dialysis
https://www.readbyqxmd.com/read/28101241/potential-role-of-melastatin-related-transient-receptor-potential-cation-channel-subfamily-m-gene-expression-in-the-pathogenesis-of-urinary-bladder-cancer
#7
Gülay Güleç Ceylan, Ebru Etem Önalan, Tuncay Kuloğlu, Gülten Aydoğ, İbrahim Keleş, Şenol Tonyali, Cavit Ceylan
Urinary bladder cancer is one of the most common malignancies of the urinary tract. Ion channels and calcium homeostasis are involved in almost all basic cellular mechanisms. The transient receptor potential cation channel subfamily M (TRPM) takes its name from the melastatin protein, which is classified as potential tumor suppressor. To the best of our knowledge, there have been no previous studies in the literature investigating the role of these ion channels in bladder cancer. The present study aimed to determine whether bladder cancer is associated with mRNA expression levels of TRPM ion channel genes, and whether there is the potential to conduct further studies to establish novel treatment modalities...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28101210/ube2t-silencing-suppresses-proliferation-and-induces-cell-cycle-arrest-and-apoptosis-in-bladder-cancer-cells
#8
Yan Qing Gong, Ding Peng, Xiang Hui Ning, Xin Yu Yang, Xue Song Li, Li Qun Zhou, Ying Lu Guo
Ubiquitin-conjugating enzyme E2T (UBE2T), a member of the ubiquitin-conjugating E2 family in the ubiquitin-proteasome pathway, has been reported to be overexpressed in certain tumor types and to have an important role in the Fanconi anemia pathway. In the present study, the expression of UBE2T and its association with bladder cancer were investigated; to the best of our knowledge, this has not been reported previously. Immunohistochemistry and western blot analysis demonstrated that UBE2T was significantly upregulated in bladder cancer tissues and cell lines compared with adjacent normal bladder tissues and a normal human urinary tract epithelial cell line, respectively...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28100853/antioxidant-and-antimicrobial-properties-of-bioactive-phytochemicals-from-cranberry
#9
Monika Baranowska, Agnieszka Bartoszek
In the rational human diet, the important role of fruits and vegetables, which are a source of bioactive phytochemicals, is emphasized. Among fruits particular attention, due to a number of documented health-promoting properties, is focused on cranberry. This fruit is characterized by the high content of antioxidant phenolic compounds, which may support the natural antioxidant defense system of the body in the prevention of damage caused by oxidative stress induced by reactive oxygen species (ROS). Therefore, cranberry is suggested for the prevention of civilization diseases such as atherosclerosis, hypertension and cancer, whose etiology is associated directly with oxidative stress...
December 31, 2016: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28100054/efficacy-of-silver-hydrophilic-poly-p-xylylene-on-preventing-bacterial-growth-and-biofilm-formation-in-urinary-catheters
#10
Hamideh Heidari Zare, Viktorija Juhart, Attila Vass, Gerhard Franz, Dieter Jocham
Catheter associated urinary tract infections (CAUTI), caused by several strains of bacteria, are a common complication for catheterized patients. This may eventually lead to a blockage of the catheter due to the formation of a crystalline or amorphous biofilm. Inhibiting bacteria should result in a longer application time free of complaints. This issue has been investigated using an innovative type of silver-coated catheter with a semipermeable cap layer to prevent CAUTI. In this work, two different types of silver catheters were investigated, both of which were capped with poly(p-xylylene) (PPX-N) and exhibited different surface properties that completely changed their wetting conduct with water...
January 18, 2017: Biointerphases
https://www.readbyqxmd.com/read/28100036/hpv45-positive-condyloma-acuminata-of-the-bladder-in-a-renal-transplant-recipient
#11
Mehmet Sarier, Esin Özel, İbrahim Duman, Yücel Yüksel, Alper Demirbaş
Condyloma acuminata (CA) are warty lesions caused by human papilloma virus (HPV) that generally affect the external genitalia and mucocutaneous junctions. Involvement of the urinary tract is rare, and involvement of the urinary bladder is thought to be due to immunosuppression. A 30-year-old woman was diagnosed with urethral CA 12 months after renal transplantation. She underwent transurethral resection (TUR) of the urethral lesions. During the operation, multiple sessile warty lesions were found incidentally inside the bladder and were also removed by TUR...
January 18, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28099558/the-mortality-rate-after-hospital-discharge-in-patients-with-myelomeningocele-decreased-after-implementation-of-mandatory-flour-fortification-with-folic-acid
#12
Renato Manganelli Salomão, Tatiana Protzenko Cervante, José Francisco Manganelli Salomão, Soniza Vieira Alves Leon
Objective: To evaluate the mandatory folic acid fortification of flour on mortality rates after the hospital discharge of children born with myelomeningocele, the most affected age group and the most frequent cause of death. Methods: A retrospective study of 383 children born with myelomeningocele from January 1990 to December 2013 in a high-fetal-risk reference hospital. Results: A total of 39 patients died (10.1%),of which 23 (6%) died after discharge...
January 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28098199/optogenetic-modulation-of-urinary-bladder-contraction-for-lower-urinary-tract-dysfunction
#13
Jae Hong Park, Jin Ki Hong, Ja Yun Jang, Jieun An, Kyu-Sung Lee, Tong Mook Kang, Hyun Joon Shin, Jun-Kyo Francis Suh
As current clinical approaches for lower urinary tract (LUT) dysfunction such as pharmacological and electrical stimulation treatments lack target specificity, thus resulting in suboptimal outcomes with various side effects, a better treatment modality with spatial and temporal target-specificity is necessary. In this study, we delivered optogenetic membrane proteins, such as channelrhodopsin-2 (ChR2) and halorhodopsin (NpHR), to bladder smooth muscle cells (SMCs) of mice using either the Cre-loxp transgenic system or a viral transfection method...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28098121/perspectives-on-hypertension-outcomes-after-single-stage-clearance-of-a-complete-staghorn-renal-calculus
#14
Ranjit Chaudhary, Kulwant Singh, Chirag S Dausage, Nidhi Jain
A 55-year-old male presented, in June 2013, with left flank pain. Investigations revealed a complete staghorn stone. He had undergone two sittings of extracorporeal shock wave lithotripsy (ESWL) in 2008 for left renal stone. One year subsequent to this, he was diagnosed with hypertension and diabetes. The management of complete staghorn stones in a single sitting is a difficult proposition. Percutaneous nephrolithotomy (PCNL) is the gold standard to manage such stones. The patient was subjected to PCNL, and complete clearance was achieved in one sitting...
January 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28098112/autosomal-dominant-polycystic-kidney-disease-study-of-clinical-characteristics-in-an-indian-population
#15
Sanjay Vikrant, Anupam Parashar
Autosomal dominant polycystic kidney disease (ADPKD) is the most common hereditary form of kidney disease. Clinical data on this multisystem disorder are scarce from developing countries. We conducted a prospective observational study of the clinical profile of ADPKD patients at a single center over a period of six years. A total of 208 patients were studied. Majority were male (60.6%) and the mean age was 45.8 ± 14.5 years. About 61.5% had early stage (Stages 1-3) of chronic kidney disease (CKD) and 38.5% had advanced CKD (Stages 4 and 5)...
January 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28097445/pregnancy-outcomes-in-hiv-positive-women-a-retrospective-cohort-study
#16
Kholoud Arab, Andrea R Spence, Nicholas Czuzoj-Shulman, Haim A Abenhaim
PURPOSE: In the United States, an estimated 8500 HIV (human immunodeficiency virus) positive women gave birth in 2014. This rate appears to be increasing annually. Our objective is to examine obstetrical outcomes of pregnancy among HIV-positive women. METHODS: A population-based cohort study was conducted using the Nationwide Inpatient Sample database (2003-2011) from the United States. Pregnant HIV-positive women were identified and compared to pregnant women without HIV...
January 17, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28096977/high-rates-of-multidrug-resistance-among-uropathogenic-escherichia-coli-in-children-and-analyses-of-esbl-producers-from-nepal
#17
Narayan Prasad Parajuli, Pooja Maharjan, Hridaya Parajuli, Govardhan Joshi, Deliya Paudel, Sujan Sayami, Puspa Raj Khanal
BACKGROUND: Emergence of Extended-spectrum beta-lactamase producing Escherichia coli causing urinary tract infections (UTI) among pediatric patients is an increasing problem worldwide. However, very little is known about pediatric urinary tract infections and antimicrobial resistance trend from Nepal. This study was conducted to assess the current antibiotic resistance rate and ESBL production among uropathogenic Escherichia coli in pediatric patients of a tertiary care teaching hospital of Nepal...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28096455/multicenter-prospective-study-on-device-associated-infection-rates-and-bacterial-resistance-in-intensive-care-units-of-venezuela-international-nosocomial-infection-control-consortium-inicc-findings
#18
Gabriel D Empaire, Maria E Guzman Siritt, Victor D Rosenthal, Fernando Pérez, Yvis Ruiz, Claudia Díaz, Gabriela Di Silvestre, Evelyn Salinas, Nelva Orozco
BACKGROUND: Device-associated healthcare-acquired infections (DA-HAI) pose a threat to patient safety in the intensive care unit (ICU). METHODS: A DA-HAI surveillance study was conducted by the International Nosocomial Infection Control Consortium (INICC) in two adult medical/surgical ICUs at two hospitals in Caracas, Venezuela, in different periods from March 2008 to April 2015, using the US Centers for Disease Control and Prevention's National Healthcare Safety Network (CDC/NHSN) definitions and criteria, and INICC methods...
January 2017: International Health
https://www.readbyqxmd.com/read/28096153/plasmidic-qnr-genes-confer-clinical-resistance-to-ciprofloxacin-under-urinary-tract-physiological-conditions
#19
Guillermo Martín-Gutiérrez, José Manuel Rodríguez-Martínez, Álvaro Pascual, Jerónimo Rodríguez-Beltrán, Jesús Blázquez
Escherichia coli variants expressing plasmid-mediated qnr genes are usually susceptible to fluoroquinolones by standard susceptibility testing. Here we show that, under specific urinary tract physiological conditions, susceptible laboratory and clinical strains harboring qnr determinants become fully resistant to ciprofloxacin. Therefore, physiological conditions, mainly urine pH values, should be considered for susceptibility testing of CIP activity against E. coli in UTIs and for selecting appropriate antibiotics for UTI treatment...
January 17, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28095801/providing-lipid-based-nutrient-supplement-during-pregnancy-does-not-reduce-the-risk-of-maternal-p-falciparum-parasitaemia-and-reproductive-tract-infections-a-randomised-controlled-trial
#20
Minyanga Nkhoma, Per Ashorn, Ulla Ashorn, Kathryn G Dewey, Austrida Gondwe, John Mbotwa, Stephen Rogerson, Steve M Taylor, Kenneth Maleta
BACKGROUND: Maternal infections are associated with maternal and foetal adverse outcomes. Nutrient supplementation during pregnancy may reduce the occurrence of infections by improving maternal immunity. We aimed to investigate the impact of small-quantity lipid-based nutrient supplement (SQ-LNS) on the occurrence of Plasmodium falciparum parasitaemia during pregnancy and trichomoniasis, vaginal candidiasis and urinary tract infection (UTI) after delivery. METHODS: Pregnant Malawian women enrolled in the iLiNS-DYAD trial receiving daily supplementation with SQ-LNS, multiple micronutrients (MMN) or iron & folic acid (IFA) from <20 gestation weeks (gw) were assessed for P...
January 17, 2017: BMC Pregnancy and Childbirth
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