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International Urology and Nephrology

Michael Kongnyuy, Daniel M Halpern, Kaitlin E Kosinski, Aaron E Katz
PURPOSE: We aim to evaluate the current beliefs and practice patterns of urologists in regard to use of cryosurgery for management of PCa. METHODS: An anonymous 13-point survey was designed and sent out to members of the Society of Urologic Oncology (SUO), Endourological Society (ES) and American College of Cryosurgery (ACC). Descriptive statistics and univariate analyses were used to determine variables associated with the use of cryosurgery. RESULTS: Of the 206 responses received [81 (39...
October 19, 2016: International Urology and Nephrology
Fen Li, Xiaohua Pei, Xiaoshuang Ye, Xun Liu, Dan Song, Xiaoxuan Zhang, Bei Zhu, Lu Wei, Jin Zhu, Weihong Zhao
BACKGROUND: Our previous studies demonstrated that 2012 Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equations were inaccurate enough for estimating glomerular filtration rate in elderly Chinese. Thus, this study was constructed to modify these equations. METHODS: A total of 839 subjects (aged ≥60 years) from four hospitals in China between October 2009 and December 2014 were included. A random sample of 674 (80.3 %) subjects was used as a training sample set, and the remaining 165 (19...
October 18, 2016: International Urology and Nephrology
Dorota Sikorska, Krzysztof Pawlaczyk, Anna Olewicz-Gawlik, Natasza Czepulis, Bartlomiej Posnik, Ewa Baum, Maria Wanic-Kossowska, Bengt Lindholm, Andrzej Oko
BACKGROUND: Peritoneal dialysis (PD) patients with preserved residual diuresis have a lower risk of death and complications. Here we analyzed associations between residual diuresis and presence of fluid overload and biomarkers of cardiac strain and nutrition in PD patients. METHODS: Among 44 PD patients placed into three subgroups, depending on volume of residual diuresis (group A ≤ 500; group B 600-1900; and group C ≥ 2000 mL/day), we examined: overhydration (OH) assessed by bioimpedance analysis (BIA; yielding OH index OHBIA) and by clinical criteria (edema and hypertension); nutritional status (by subjective global assessment, SGA); metabolic status (electrolytes, serum lipid profile, CRP, and albumin); biomarkers of fluid overload and cardiac strain (N-terminal probrain natriuretic peptide, NT-proBNP, and troponin T, TnT); and, echocardiography and chest X-ray...
October 12, 2016: International Urology and Nephrology
Jiayu Duan, Dongwei Liu, Guangcai Duan, Zhangzuo Liu
PURPOSE: IgA nephropathy (IgAN) is the most common glomerulonephritis worldwide and will lead some unfavorable outcomes such as end-stage renal disease. The efficacy of tonsillectomy remains controversial in both Asian and Caucasian ethnicity. Our meta-analysis was aiming at exploring its long-term efficacy and providing further evidences for clinical treatment. METHODS: Prospective and retrospective studies that compared the rate of clinical remission and/or end-stage renal disease in IgAN patients who applied tonsillectomy were involved in our meta-analysis...
October 8, 2016: International Urology and Nephrology
Soon-Youn Choi, Hye-Myung Ryu, Ji-Young Choi, Jang-Hee Cho, Chan-Duck Kim, Yong-Lim Kim, Sun-Hee Park
PURPOSE: High glucose stimulates peritoneal inflammation and extracellular matrix accumulation in human peritoneal mesothelial cells (HPMCs). However, the roles of Toll-like receptor 4 (TLR4) and TLR2 in high-glucose-induced inflammation and fibrosis in peritoneal dialysis (PD) remain unclear. This study aimed to evaluate the effect of high glucose on TLR2 and TLR4 expression in HPMCs and to assess their impact on peritoneal inflammatory and fibrosis markers. METHODS: Using cultured HPMCs, TLRs expression by high-glucose (50 mM) stimulation was assessed by quantitative real-time PCR...
October 8, 2016: International Urology and Nephrology
Zhen-Wei Shen, Jie Xing, Qing-Lian Wang, Ali Faheem, Xiang Ji, Jie Li, Wei-Wei Bian, Zheng Jiang, Xiu-Jun Li, Fu-Zhong Xue, Jing Liu
PURPOSE: Limited numbers of literatures have focused on the association between γ-glutamyltransferase (GGT) and chronic kidney disease (CKD), and their results were controversial. Therefore, in this study, we set up a large-scale cohort of Chinese population to discover and verify the association between serum GGT and CKD. METHODS: Our cohort study was based on 21,818 patients who visited Health Management Center of Shandong Provincial Hospital, China, to receive routine health check-up during the period of 2005-2010, and we used multivariate Cox regression model to clarify whether elevated serum GGT increased the risk of CKD or not...
October 4, 2016: International Urology and Nephrology
K Turgutalp, S Bardak, M Horoz, I Helvacı, S Demir, A A Kiykim
PURPOSE: Although various studies have improved our knowledge about the clinical features and outcomes of acute kidney injury developing in the hospital (AKI-DI) in elderly subjects, data about acute kidney injury developing outside the hospital (AKI-DO) in elderly patients (age ≥ 65 years) are still extremely limited. This study was performed to investigate prevalence, clinical outcomes, hospital cost and related factors of AKI-DO in elderly and very elderly patients. METHODS: We conducted a prospective, observational study in patients (aged ≥ 65 years) who were admitted to our center between May 01, 2012, and May 01, 2013...
October 4, 2016: International Urology and Nephrology
Matthew J Maurice, Simon P Kim, Robert Abouassaly
PURPOSE: To assess socioeconomic disparities in urinary diversion utilization in a contemporary American cohort. METHODS: In the National Cancer Database, we identified 4538 patients who underwent cystectomy with urinary diversion for clinical T1-2N0M0 bladder cancer from 2010 to 2013. Multivariable logistic regression was used to identify predictors of urinary diversion type: ileal conduit (IC), continent cutaneous reservoir (CCR), or orthotopic neobladder (ON)...
September 30, 2016: International Urology and Nephrology
Laura E Lamb, Sarah N Bartolone, Sebla B Kutluay, Daniela Robledo, Alexandra Porras, Mauricio Plata, Michael B Chancellor
No abstract text is available yet for this article.
September 29, 2016: International Urology and Nephrology
Yuichiro Ikado, Daisuke Obinata, Taro Matsumoto, Yasutaka Murata, Koichiro Kano, Noboru Fukuda, Kenya Yamaguchi, Satoru Takahashi
PURPOSE: Autologous cells potentially provide an ideal injectable substance for management in vesicoureteral reflux (VUR). The aim of this study is to examine the effects of mature adipocyte-derived dedifferentiated fat (DFAT) cell transplantation on VUR in a rat bladder pressurization-induced VUR model. METHODS: To create VUR, Sprague-Dawley rats underwent urethral clamping and placement of cystostomy followed by intravesical pressurization. Rat DFAT cells (1 × 10(6) cells, DFAT group, n = 5) or saline (control group, n = 5) was then injected into the bilateral vesicoureteral junctions...
September 28, 2016: International Urology and Nephrology
Najla E Farage, Milena B Stockler-Pinto, Viviane O Leal, Ludmila Lmf Cardozo, José Carlos Carraro-Eduardo, Denis Fouque, Denise Mafra
PURPOSE: This study aimed to evaluate the association among the expressions of pro- and anti-inflammatory nuclear factors (nuclear factor-kappaB, NF-κB and nuclear erythroid 2-related factor 2, Nrf2) and nutritional status in HD patients. METHODS: This cross-sectional study included eighty-three HD patients. The peripheral blood mononuclear cells were isolated and processed for the evaluation of NF-κB and Nrf2 RNAm expression by quantitative real-time polymerase chain reaction...
September 27, 2016: International Urology and Nephrology
Yao Zhao, Kaiyong Chen, Haining Li, Huiyi Wu
PURPOSE: Urinary exosome is an ideal noninvasive, low-cost source of kidney diseases biomarkers. However, many factors effect the isolation of urine-derived exosome. The effect of pH on the yield of exosome isolation under different pH was explored. METHODS: The pH was adjusted for 4, 5, 6, 7 and 8 with hydrochloric acid and sodium hydroxide solution. All samples were incubated for 30 min before differential ultracentrifugation. Exosome-associated protein markers TSG101, ALIX and total concentration of RNA were evaluated by Western-blotting and micro-amount ultraviolet spectrophotometer, respectively...
September 27, 2016: International Urology and Nephrology
Ágnes Haris, Szilveszter Dolgos, Kálmán Polner
This paper reviews the recently published scientific information regarding ANCA-associated vasculitis (AAV), aiming to highlight the most important data from the clinical nephrologists' perspective. The classification, pathomechanism, recent achievements of the treatment, short-term and long-term outcomes of the disease, and the difficulties nephrologists face when taking care for patients with AAV are summarized. There has been significant progress in the understanding of the genetic and pathologic background of the disease in the last years, and results of histological studies guide us to predict long-term renal function...
September 26, 2016: International Urology and Nephrology
M S Rita de Cássia Mattos, Helton P Lemes, Sebastião R Ferreira-Filho
PURPOSE: To determine the association between arterial systolic blood pressure values at the beginning and at the end of a hemodialysis (HD) session in intradialytic hypertension patients. METHODS: This study evaluated the arterial systolic blood pressure patterns in 154 chronic kidney failure patients; among these patients, 18 were identified as having intradialytic hypertension. In the patients with intradialytic hypertension, four consecutive HD sessions were analyzed in which the systolic, diastolic, mean, and pulse blood pressures were automatically determined every 30 min...
September 26, 2016: International Urology and Nephrology
Monika Buraczynska, Anna Stec, Aleksandra Filipczak, Andrzej Ksiazek
BACKGROUND: The proteasome system is involved in several disorders. The 5' untranslated region of PSMA6 gene contains a single nucleotide polymorphism (SNP) -8 C/G, associated with diabetes, myocardial infarction and coronary artery disease. METHODS: We examined 584 patients with end-stage kidney disease (ESKD) and 430 controls. All were genotyped for -8 C/G SNP by polymerase chain reaction and restriction analysis. RESULTS: We observed lower frequency of CG + GG genotypes in patients than in controls (20 vs...
September 26, 2016: International Urology and Nephrology
Matthew J Maurice, Daniel Ramirez, Önder Kara, Ryan J Nelson, Peter A Caputo, Ercan Malkoç, Jihad H Kaouk
PURPOSE: To identify predictors of poor discharge quality after robotic partial nephrectomy (RPN) at a large academic center. METHODS: We queried our institutional RPN database for consecutive patients treated between 2011 and 2015. The primary outcome was poor discharge quality, defined as length of stay >3 days and/or unplanned readmission. The association between patient, disease, and provider factors and overall discharge quality was assessed using univariate and multivariable analyses...
September 26, 2016: International Urology and Nephrology
Tangqiang Wei, Yunlin Cai, Zongping Zhang, Yunxiang Li, Hong Li, Kunjie Wang
No abstract text is available yet for this article.
September 26, 2016: International Urology and Nephrology
Viroj Wiwanitkit
No abstract text is available yet for this article.
September 20, 2016: International Urology and Nephrology
Hazem Elmoghazy, Mohamed M Hussein, Elnisr Mohamed, Abdelbasset Badawy, Gamal Alsagheer, Ahmed Mamdouh Abd Elhamed
BACKGROUND: Several techniques have been used to repair mid-penile hypospadias; however, high failure rates and major complications have been reported. In this study, we describe a novel technique using a well-vascularized flap of the inner and outer preputial skin. METHODS: A total of 110 male children with hypospadias underwent repair by our technique between 2008 and 2015. The inclusion criteria were children with mid-penile or slightly more proximal hypospadias, with or without ventral chordae, and an intact prepuce of the cobra eyes variety...
September 13, 2016: International Urology and Nephrology
Michael S Floyd
No abstract text is available yet for this article.
September 12, 2016: International Urology and Nephrology
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