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International Urology and Nephrology

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https://www.readbyqxmd.com/read/29243203/impact-of-posterior-urethral-diameter-external-urethral-sphincter-diameter-as-a-new-tool-to-predict-detrusor-pressure-in-the-voiding-phase
#1
Masafumi Kon, Takahiko Mitsui, Takeya Kitta, Kimihiko Moriya, Nobuo Shinohara, Masayuki Takeda, Katsuya Nonomura
PURPOSES: We measured posterior urethra diameter (PUD) and external urethral sphincter diameter (EUSD), which can also be measured by voiding cystourethrography (VCUG) and investigated the relationship between PUD/EUSD and detrusor pressure (Pdet) during voiding by videourodynamics (VUDS). METHODS: Sixty-three children, who were 3 years old or less and underwent VUDS, were enrolled in the present study. We measured PUD and EUSD in addition to detrusor pressure at the time of the widest EUS during voiding (Pdet-voiding) by VUDS, and PUD/EUSD was investigated compared to Pdet-voiding...
December 14, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29236240/effects-of-small-molecules-water-that-may-retard-kidney-stone-formation
#2
Yang Li, Jichuan Pan, Yue Zhang, Yangtao Chang, Xiaoxiong Yang, Baoyu Yang, Xu Mao, Zhonghui Wang, Bing Gao, Xiuli Lu
PURPOSE: Water intake is important for preventing kidney stones. Small molecules water is a more active restructured water under magnetic field. Here, we studied the relation between small molecules water and crystal formation in the rat kidney. MATERIALS: The small molecules water was prepared by a water machine providing a 0.8-T magnetic field. Calcium oxalate crystals were induced by 0.75% EG (ethylene glycol) in male Sprague-Dawley rats by drinking small molecules water and plain water for up to 6 weeks, respectively...
December 13, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29236239/abdominal-aorta-and-pelvic-artery-calcifications-on-plain-radiographs-may-predict-mortality-in-chronic-kidney-disease-hemodialysis-and-renal-transplantation
#3
Sinee Disthabanchong, Kotcharat Vipattawat, Bunyong Phakdeekitcharoen, Chagriya Kitiyakara, Vasant Sumethkul
PURPOSE: Vascular calcification is common in chronic kidney disease (CKD) and predicts poor patient outcomes. While computed tomography is the gold standard for evaluation of vascular calcification, plain radiograph offers a simpler and less costly alternative. The calcification of abdominal aorta, iliac and femoral arteries has been evaluated by plain radiograph, but the data on their outcome predictabilities are still limited. The present study investigated the role of abdominal aortic calcification (AAC) and pelvic arterial calcification (PAC) in predicting overall morality in non-dialysis CKD stages 2-5 (CKD 2-5), maintenance hemodialysis (HD) and long-term kidney transplant (KT) patients...
December 13, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29235061/differential-expression-of-immune-factor-between-patients-with-chronic-prostatitis-chronic-pelvic-pain-syndrome-and-the-healthy-volunteers
#4
Chen Ye, Guang'an Xiao, Jian Xu, Shengfei Qin, Yuhua Luo, Guanghua Chen, H Henry Lai, Tie Zhou
PURPOSE: Immune mechanisms have been hypothesized to contribute to the development of CP/CPPS. In this study, we investigated the differential expression of immune factors between patients with CP/CPPS and healthy volunteers. METHODS: This study was registered in Australian New Zealand Clinical Trials Registry. Healthy volunteers and patients with CP/CPPS were enrolled in this study. The inclusion criteria for patients were below: (1) aged 18-45 years old; (2) prostatitis-related syndrome longer than 3 months; (3) normal routine urine culture and negative bacterial culture in prostatic fluid...
December 12, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29230707/acute-kidney-injury-after-abdominal-aortic-aneurysm-repair-current-epidemiology-and-potential-prevention
#5
Liesa Zabrocki, Frank Marquardt, Klaus Albrecht, Stefan Herget-Rosenthal
PURPOSE: Acute kidney injury (AKI) is a severe complication after infrarenal abdominal aortic aneurysm (iAAA) repair. Little data are available whether endovascular aneurysm (EVAR) or open aortic repair (OAR) differs with respect to AKI frequency and severity, consecutive development of chronic kidney disease (CKD) and potentially preventable and modifiable risk factors of AKI. PATIENTS AND METHODS: We assessed AKI rates, AKI stages and CKD applying current, complete definitions from the kidney disease improving global outcomes initiative in propensity-score-matched cohorts of all patients with elective and urgent iAAA repair at our institution from 2007 to 2011...
December 11, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29230706/differential-diagnosis-of-the-small-renal-masses-role-of-the-apparent-diffusion-coefficient-of-the-diffusion-weighted-mri
#6
Yulian Mytsyk, Ihor Dutka, Borys Yuriy, Iryna Maksymovych, Martin Caprnda, Katarina Gazdikova, Luis Rodrigo, Peter Kruzliak, Polina Illjuk, Ammad Ahmad Farooqi
INTRODUCTION: Renal cell carcinoma (RCC) accounts for approximately 3% of adult malignancies and more than 90% of neoplasms arising from the kidney. Uninformative percutaneous kidney biopsies vary from 10 to 23%. As a result, 7.5-33.6% of partial nephrectomies in patients with small renal masses (SRM) are performed on benign renal tumors. The aim of this study was to assess the feasibility of the apparent diffusion coefficient (ADC) of the diffusion-weighted imaging (DWI) of MRI, as RCC imaging biomarker for differentiation of SRM...
December 11, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29230705/crosstalk-between-tlr4-and-notch1-signaling-in-the-iga-nephropathy-during-inflammatory-response
#7
Xuxiang Sheng, Xiaoyan Zuo, Xihui Liu, Yang Zhou, Xia Sun
PURPOSE: IgA nephropathy (IgAN) is an immune complex-mediated disease involved in the kidney disease. Recent studies have revealed that Notch signaling-related genes are aberrantly expressed in various cell types and maybe associate with inflammation-induced carcinogenesis. The aim of our study was to investigate the function of Notch1 in the inflammatory response of IgAN. METHODS: The expression of Notch1, Jagged1 and NICD1 in 52 IgAN renal tissues and 20 control renal tissues was first determined using quantitative real-time PCR and Western blot...
December 11, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29230704/emodin-ameliorates-renal-fibrosis-in-rats-via-tgf-%C3%AE-1-smad-signaling-pathway-and-function-study-of-smurf-2
#8
Libin Ma, Hua Li, Shuchao Zhang, Xiaoling Xiong, Kean Chen, Peiwu Jiang, Kang Jiang, Gang Deng
BACKGROUND: Emodin is a natural active component extracted from Chinese herbs. In this study, we investigated the therapeutic effect of emodin on surgery-induced renal fibrosis in rat. Moreover, the function of Smad ubiquitination regulatory factor 2 (Smurf 2) was further studied in vitro. METHODS: The renal fibrosis rat model was established via 5/6 renal mass reduction. The histopathological abnormalities of renal tissues in rats were tested via staining method and microscopic examination...
December 11, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29222708/correction-to-effect-of-renal-transplantation-on-cognitive-function-in-hemodialysis-patients-a-longitudinal-study
#9
Yogesh K Chhabra, Sanjay Sood, Omprakash Rathi, Sandeep Mahajan
In the original publication, the second author's affiliation was incorrectly published as "Department of Physiology, RAK College of Medical Sciences, Ras Al Khaimah, UAE". The correct affiliation should read as "Visiting Academic, Basic Medical Sciences Department, College of Medicine, University of Sharjah (UAE)".
December 8, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29210007/bilateral-is-superior-to-unilateral-varicocelectomy-in-infertile-males-with-left-clinical-and-right-subclinical-varicocele-a-prospective-randomized-controlled-study
#10
Xiao-Lei Sun, Jiu-Lin Wang, Yun-Peng Peng, Qing-Qiang Gao, Tao Song, Wen Yu, Zhi-Peng Xu, Yun Chen, Yu-Tian Dai
PURPOSE: The purpose of this study is to compare the effect of bilateral versus unilateral varicocelectomy on seminal response and spontaneous pregnancy rates in infertile male patients with left clinical and right subclinical varicocele. METHODS: A total of 358 infertile men with left clinical and right subclinical varicocele were randomized to group that underwent bilateral (n = 179) and group that underwent unilateral microsurgical subinguinal varicocelectomy (n = 179)...
December 5, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29197934/effects-of-statin-treatment-with-atorvastatin-on-urolithiasis-associated-urinary-metabolic-risk-factors-an-experimental-study
#11
Mustafa Zafer Temiz, Emrah Yuruk, Kasim Ertas, Oguzhan Zengi, Atilla Semercioz
PURPOSE: To investigate whether atorvastatin has favorable effects on urinary metabolic risk factors associated with urolithiasis. METHODS: Sixteen male Sprague-Dawley rats were randomly divided into two groups, and baseline spot and 24-h urine samples were collected. Distilled water and atorvastatin were administered to rats during 4 weeks in the control and atorvastatin groups, respectively. At the end of the experimental procedure, spot and 24-h urine samples were collected again...
December 2, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29197933/impact-of-low-dose-steroids-on-hba1c-levels-and-development-of-pre-diabetes-and-nodat-in-non-diabetic-renal-transplant-recipients-on-long-term-follow-up
#12
F P Tillmann, M Schmitz, L C Rump, I Quack
BACKGROUND: This study aimed to evaluate the impact of 5 mg of prednisolone/day on HbA1c levels and its association with the development of pre-diabetes and new-onset diabetes mellitus (NODAT) in non-diabetic first renal transplant recipients on long-term follow-up. METHODS: Four hundred patients were analysed on an average of 4.1 ± 3.0 years after successful transplantation: 96 (24%) were steroid-free and 304 (76%) treated with 5 mg of prednisolone/day combined with cyclosporine A (CsA) or tacrolimus (Tac) as part of their immunosuppressive protocol...
December 2, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29196930/association-of-alox12-gene-polymorphism-with-all-cause-and-cardiovascular-mortality-in-diabetic-nephropathy
#13
Athanasios K Roumeliotis, Stefanos K Roumeliotis, Stylianos A Panagoutsos, Fotis Tsetsos, Marianthi Georgitsi, Vangelis Manolopoulos, Peristera Paschou, Ploumis S Passadakis
PURPOSE: Cardiovascular (CV) events are the first cause of death in patients with chronic renal disease (CKD) and in patients with type 2 diabetes mellitus (DM2). The combination of CKD and DM2 elevates the risk of both cardiovascular disease (CVD) and death in this high-risk population. Besides traditional risk factors, such as dyslipidemia, smoking, obesity, and carotid atherosclerosis, novel factors are under investigation such as genetic polymorphisms. Lipoxygenases (LOXs) and their genes are of critical importance in oxidative stress, inflammation, and atherosclerosis...
December 1, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29196929/factors-associated-with-calcium-requirements-after-parathyroidectomy-in-chronic-kidney-disease-patients
#14
Yue Ding, Hongying Wang, Qiang Zou, Yiting Jin, Zijing Zhang, Junwen Huang
BACKGROUND: Renal hyperparathyroidism is a common complication of chronic kidney disease (CKD). Parathyroidectomy (PTX) for these patients continues to be a valuable option in the era of calcimimetics. Postoperative hypocalcemia is common after surgery. The aim of this study was to identify clinical factors to define postoperative calcium requirements. METHODS: From February 2013 to May 2017, 68 patients with chronic kidney disease 5 (CKD5) who underwent PTX were reviewed...
December 1, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29196928/the-effect-of-l-thyroxine-substitution-on-oxidative-stress-in-early-stage-diabetic-nephropathy-patients-with-subclinical-hypothyroidism-a-randomized-double-blind-and-placebo-controlled-study
#15
Yong Chen, Ganlin Wu, Meirong Xu
PURPOSE: To study oxidative stress status of early type 2 diabetic nephropathy (DN) patients with subclinical hypothyroidism (SCH) and to assess effect of L-thyroxine therapy on the oxidative stress in these patients. METHODS: It is a randomized double-blind and placebo-controlled trial. A total of 48 patients with early type 2 DN were included as Euthyroid group, and 92 early type 2 DN with SCH were selected and randomly assigned to L-thyroxine treatment group (LT4 group) and placebo group (SCH group)...
December 1, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29188489/does-the-prostate-imaging-reporting-and-data-system-pi-rads-version-2-improve-accuracy-in-reporting-anterior-lesions-on-multiparametric-magnetic-resonance-imaging-mpmri
#16
Richard Hoffmann, Callum Logan, Michael O'Callaghan, Kirsten Gormly, Ken Chan, Darren Foreman
INTRODUCTION: Multiparametric MRI (mpMRI) is useful in detecting anterior prostate tumours. Due to the location of anterior tumours, they are often diagnosed with a large size and may be suspicious for extra-prostatic extension (EPE). We aim to evaluate whether PI-RADS v2 is more accurate in assessing anterior prostate lesions identified on mpMRI compared to PI-RADS v1. METHODS: Patients with anterior prostate lesions diagnosed on mpMRI who proceeded to a cognitive fusion transperineal prostate biopsy were identified...
November 29, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29170899/preoperative-urine-culture-is-unnecessary-in-asymptomatic-men-prior-to-prostate-needle-biopsy
#17
David Z Qi, Kathleen Lehman, Kalyan Dewan, Girish Kirimanjeswara, Jay D Raman
PURPOSE: To determine the clinical utility of preoperative urine cultures in asymptomatic men undergoing prostate needle biopsy (PNB). METHODS: One hundred fifty asymptomatic men had urine cultures obtained 14-days prior to PNB. As per study protocol, positive cultures were not treated. Antibiotic prophylaxis prior to PNB included ciprofloxacin 500 mg the night before and morning of the biopsy. Repeat urine cultures were obtained immediately prior to PNB with colony-forming units (CFUs) annotated...
November 23, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29159509/the-role-of-socio-demographic-factors-in-depression-and-anxiety-of-patients-on-hemodialysis-an-observational-cross-sectional-study
#18
G Gerogianni, E Lianos, A Kouzoupis, M Polikandrioti, E Grapsa
PURPOSE: Depression and anxiety have high prevalence in patients on hemodialysis and are strongly associated with socio-economic factors. The aim of this study was to evaluate the prevalence of depression and anxiety in hemodialyzed patients in Greece and its association with socio-demographic factors. METHODS: Four hundred and fourteen (414) patients on hemodialysis (262 males and 152 females) from 24 dialysis centers in Greece participated in this observational cross-sectional study...
November 20, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29151180/from-bench-to-the-hemodialysis-clinic-protein-bound-uremic-toxins-modulate-nf-%C3%AE%C2%BAb-nrf2-expression
#19
Milena B Stockler-Pinto, Christophe O Soulage, Natália A Borges, Ludmila F M F Cardozo, Carla J Dolenga, Lia S Nakao, Roberto Pecoits-Filho, Denis Fouque, Denise Mafra
PURPOSE: Uremic toxins produced by gut microbiota (indoxyl sulfate-IS, p-cresyl sulfate-p-CS, and indole-3-acetic acid-IAA) accumulate in hemodialysis (HD) patients and exhibit potent inflammatory effects. However, the impact of these toxins on nuclear E2-related factor 2 (Nrf2) and nuclear factor-kappa B (NF-κB) expression in HD patients remains poorly defined. The aim of this study was to evaluate the association between uremic toxins and Nrf2/NF-κB expression in vitro (RAW 264.7 macrophage-like cells) and in peripheral blood mononuclear cells from HD patients...
November 18, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29151179/comparison-of-three-analgesic-drug-regimens-with-twelfth-subcostal-nerve-block-for-pain-control-during-extracorporeal-shock-wave-lithotripsy
#20
Miguel Maldonado-Avila, Leopoldo Mateo Garduño-Arteaga, Roberto Alejandro Vela-Mollinedo, Jorge Jaspersen-Gastelum, Francisco Virgen-Gutierrez, Marcos Del Rosario-Santiago, Victor Rios-Davila
INTRODUCTION AND OBJECTIVE: Extracorporeal shock wave lithotripsy (ESWL) is the first-line treatment in the majority of cases of upper urinary tract stones. Since its introduction, attempts have been made to establish the ideal accompanying analgesic method to enable the application of shock waves of adequate duration and intensity for efficacious stone fragmentation. An open, randomized, prospective, longitudinal, comparative, and experimental clinical study was conducted to evaluate the efficacy of subcostal nerve block with lidocaine, comparing it in combination with tramadol or diclofenac for pain control during ESWL...
November 18, 2017: International Urology and Nephrology
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