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https://www.readbyqxmd.com/read/28735420/role-of-albumin-and-its-modifications-in-glomerular-injury
#1
REVIEW
Shipra Agrawal, William E Smoyer
Albuminuria is both a characteristic hallmark and a known risk factor for progressive glomerular disease. Although the molecular basis for a potential causative role for albuminuria in progressive chronic kidney disease remains poorly understood, there have been several recent advances in our understanding of the role of albumin, and its molecular modifications, in the development and progression of glomerular disease. This review discusses recent findings related to the ability of albumin and its associated factors to directly induce podocyte and glomerular injury...
July 22, 2017: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/28734027/chronic-kidney-disease-as-a-risk-factor-for-recurrence-and-progression-in-patients-with-primary-non-muscle-invasive-bladder-cancer
#2
Kohei Kobatake, Tetsutaro Hayashi, Peter C Black, Keisuke Goto, Kazuhiro Sentani, Mayumi Kaneko, Wataru Yasui, Koji Mita, Jun Teishima, Akio Matsubara
OBJECTIVES: To investigate the relationship between chronic kidney disease and primary non-muscle-invasive bladder cancer. METHODS: Disease outcomes were analyzed in 418 patients treated with transurethral resection for primary non-muscle-invasive bladder cancer, and were correlated to traditional risk factors as well as chronic kidney disease stage according to estimated glomerular filtration rate: ≥60 (G1-2), 45-59 (G3a) or <45 (G3b-5). RESULTS: The median follow-up time was 40...
July 22, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/28729248/end-stage-renal-disease-versus-death-in-a-portuguese-cohort-of-elderly-patients-an-approach-using-competing-event-analysis
#3
Josefina Santos, Isabel Fonseca, Jorge Malheiro, Idalina Beirao, Luisa Lobato, Pedro Oliveira, Antonio Cabrita
Chronic kidney disease (CKD) is higher in elderly, but mortality outweighs the risk of end-stage renal disease (ESRD). Our aim was to identify prognostic markers for ESRD or death in elderly CKD, within a competing-risk analysis. This is a longitudinal study of consecutive newly referred patients with CKD ages 65 years, followed until the time of the first event (ESRD or death), using a competing-risk analysis. A modified Charlson Comorbidity Index (mCCI) was subdivided into subgroups (0-2, 3-4, ≥5). Patients were followed for hospitalizations that occurred prior to the outcomes...
July 19, 2017: Journal of Investigative Medicine: the Official Publication of the American Federation for Clinical Research
https://www.readbyqxmd.com/read/28729034/prolonged-renal-survival-in-light-chain-amyloidosis-speed-and-magnitude-of-light-chain-reduction-is-the-crucial-factor
#4
Tamer Rezk, Helen J Lachmann, Marianna Fontana, Sajitha Sachchithanantham, Shameem Mahmood, Aviva Petrie, Carol J Whelan, Jennifer H Pinney, Darren Foard, Thirusha Lane, Taryn Youngstein, Ashutosh D Wechalekar, Paul Bass, Philip N Hawkins, Julian D Gillmore
Renal involvement causing progressive chronic kidney disease (CKD) is present in 70% of patients with systemic Ig light-chain (AL) amyloidosis at diagnosis. Chemotherapy that substantially suppresses free light chain production is associated with improved patient survival, but its benefit in delaying the onset of renal replacement therapy among patients who present with established advanced CKD has not been studied. To evaluate this, we studied 1000 patients enrolled in the prospective UK AL amyloidosis chemotherapy study (ALchemy)...
July 17, 2017: Kidney International
https://www.readbyqxmd.com/read/28729033/metabolic-acidosis-is-common-and-associates-with-disease-progression-in-children-with-chronic-kidney-disease
#5
Jérôme Harambat, Kevin Kunzmann, Karolis Azukaitis, Aysun K Bayazit, Nur Canpolat, Anke Doyon, Ali Duzova, Anna Niemirska, Betul Sözeri, Daniela Thurn-Valsassina, Ali Anarat, Lucie Bessenay, Cengiz Candan, Amira Peco-Antic, Alev Yilmaz, Sibylle Tschumi, Sara Testa, Augustina Jankauskiene, Hakan Erdogan, Alejandra Rosales, Harika Alpay, Francesca Lugani, Klaus Arbeiter, Francesca Mencarelli, Aysel Kiyak, Osman Dönmez, Dorota Drozdz, Anette Melk, Uwe Querfeld, Franz Schaefer
Recent studies in adult chronic kidney disease (CKD) suggest that metabolic acidosis is associated with faster decline in estimated glomerular filtration rate (eGFR). Alkali therapies improve the course of kidney disease. Here we investigated the prevalence and determinants of abnormal serum bicarbonate values and whether metabolic acidosis may be deleterious to children with CKD. Associations between follow-up serum bicarbonate levels categorized as under 18, 18 to under 22, and 22 or more mmol/l and CKD outcomes in 704 children in the Cardiovascular Comorbidity in Children with CKD Study, a prospective cohort of pediatric patients with CKD stages 3-5, were studied...
July 17, 2017: Kidney International
https://www.readbyqxmd.com/read/28724794/apol1-variants-change-c-terminal-conformational-dynamics-and-binding-to-snare-protein-vamp8
#6
Sethu M Madhavan, John F O'Toole, Martha Konieczkowski, Laura Barisoni, David B Thomas, Santhi Ganesan, Leslie A Bruggeman, Matthias Buck, John R Sedor
APOL1 variants in African populations mediate resistance to trypanosomal infection but increase risk for kidney diseases through unknown mechanisms. APOL1 is expressed in glomerular podocytes and does not vary with underlying kidney disease diagnoses or APOL1 genotypes, suggesting that the kidney disease-associated variants dysregulate its function rather than its localization or abundance. Structural homology searches identified vesicle-associated membrane protein 8 (VAMP8) as an APOL1 protein interactor. VAMP8 colocalizes with APOL1 in the podocyte, and the APOL1:VAMP8 interaction was confirmed biochemically and with surface plasmon resonance...
July 20, 2017: JCI Insight
https://www.readbyqxmd.com/read/28724608/erbb4-deletion-accelerates-renal-fibrosis-following-renal-injury
#7
Fenghua Zeng, Tomoki Miyazawa, Lance A Kloepfer, Raymond C Harris
Tubulointerstitial fibrosis (TIF) is a prominent factor in the progression of chronic kidney disease (CKD) regardless of etiology. ErbB4 expression levels were inversely correlated to renal fibrosis in human fibrotic kidneys. In both unilateral ureteral obstruction (UUO) and ischemia reperfusion injury followed by uninephrectomy (IRI/UNx) mouse models, expression levels of ErbB4 were elevated in the early stage of renal injury. Using mice with global ErbB4 deletion except for transgenic rescue in cardiac tissue (ErbB4-/-ht+), we determined that UUO induced similar injury in proximal tubules compared to wild-type mice but more severe injury in distal nephrons...
July 19, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28723490/renal-preservation-and-partial-nephrectomy-patient-and-surgical-factors
#8
REVIEW
Lorenzo Marconi, Mihir M Desai, Vincenzo Ficarra, Francesco Porpiglia, Hendrik Van Poppel
CONTEXT: Optimization of the partial nephrectomy (PN) procedure in terms of preservation of functional outcomes is of special importance. OBJECTIVE: To review the most important patient and surgical factors that may influence the three elements that ultimately define the preservation of renal function (RF) after PN: preoperative RF, quantity of parenchyma preserved, and nephron recovery from ischemic insult. EVIDENCE ACQUISITION: A nonsystematic review of the literature was conducted...
December 15, 2016: European Urology Focus
https://www.readbyqxmd.com/read/28722795/influence-of-renal-function-on-anticoagulation-control-in-patients-with-non-valvular-atrial-fibrillation-taking-vitamin-k-antagonists
#9
José M Lobos-Bejarano, Angel Castellanos Rodríguez, Vivencio Barrios, Carlos Escobar, José Polo-García, José Carlos Del Castillo-Rodríguez, Diego Vargas-Ortega, Adriana Lopez-Pineda, Luis Prieto-Valiente, Gregory Y H Lip
BACKGROUND AND PURPOSE: Chronic kidney disease (CKD) has been related to poor anticoagulation control and an increased risk of bleeding. This study aims to evaluate the association between impaired renal function (eGFR <60 mL/min/1.73 m(2) ) and anticoagulation control in patients with non-valvular atrial fibrillation (AF) on vitamin K antagonists (VKA) therapy. We also assessed whether the predictive value of the SAMe-TT2 R2 score prevailed for subgroups both with and without CKD...
July 19, 2017: International Journal of Clinical Practice
https://www.readbyqxmd.com/read/28722618/clinical-evidence-of-acute-mesoamerican-nephropathy
#10
Rebecca S B Fischer, Sreedhar Mandayam, Denis Chavarria, Chandan Vangala, Melissa N Garcia, Linda L Garcia, Lesbia Palma, Felix Garcia, Ramón García-Trabanino, Kristy O Murray
Mesoamerican nephropathy (MeN), an epidemic of unexplained kidney disease in Central America, affects mostly young, healthy individuals. Its etiology is a mystery that requires urgent investigation. Largely described as a chronic kidney disease (CKD), no acute clinical scenario has been characterized. An understanding of the early disease process could elucidate an etiology and guide treatment and prevention efforts. We sought to document the earliest clinical signs in patients with suspected MeN in a high-risk population in Nicaragua...
July 17, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28721063/annual-deterioration-of-renal-function-in-hypertensive-patients-with-and-without-diabetes
#11
Jorge Polonia, André Azevedo, Miguel Monte, José A Silva, Susana Bertoquini
BACKGROUND: Chronic kidney disease (CKD) complicates hypertension and diabetes. Knowledge of the deterioration rate of CKD may anticipate adjustment of therapies with renal elimination. This study evaluates the rate of annual deterioration of renal function in hypertensive patients either with type 2 diabetes (DM2) or without it (non-DM) followed for 5 years and relates it with blood pressure (BP) and glycemic control. MATERIALS AND METHODS: Out of a total of 1924 patients, 1023 patients (594 non-DM and 429 DM2, 53% female, aged 62...
2017: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/28720778/visualization-of-kidney-fibrosis-in-diabetic-nephropathy-by-long-diffusion-tensor-imaging-mri-with-spin-echo-sequence
#12
Jun-Ya Kaimori, Yoshitaka Isaka, Masaki Hatanaka, Satoko Yamamoto, Naotsugu Ichimaru, Akihiko Fujikawa, Hiroshi Shibata, Akira Fujimori, Sosuke Miyoshi, Takashi Yokawa, Kagayaki Kuroda, Toshiki Moriyama, Hiromi Rakugi, Shiro Takahara
Renal fibrosis (RF) is an indicator for progression of chronic kidney disease (CKD). Although diabetic nephropathy (DN) is the leading cause of CKD and end-stage renal disease in Western populations, the ability of MRI to evaluate RF in DN patients has not been determined. As a first step to identify possible MRI methods for RF evaluation, we examined the use of diffusion tensor imaging (DTI) MRI to evaluate RF in a rat model of DN (SHR/NDmcr-cp(cp/cp): SHR/ND). The signal-to-noise ratio in DTI MRI was enhanced using a spin-echo sequence, and a special kidney attachment was developed for long-term stabilization...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28717515/changing-needs-for-information-and-support-in-an-online-system-for-parents-of-children-with-kidney-disease
#13
Maury Pinsk, David Nicholas
BACKGROUND: Pediatric chronic kidney disease is psychologically, financially, and physically demanding on parents providing care. Parents often feel isolated because of the rarity of the condition, and geographic isolation often compounds this perception in Canada. Many parents seek assistance online for both information and social support. OBJECTIVE: This study examines an online portal, titled "Ability Online," which was designed to provide support and information to a diverse group of parents using chat facilities, bulletin boards, and e-mail...
2017: Canadian Journal of Kidney Health and Disease
https://www.readbyqxmd.com/read/28715949/contrast-enhanced-ultrasound-for-assessing-renal-perfusion-impairment-and-predicting-acute-kidney-injury-to-chronic-kidney-disease-progression
#14
Wei Cao, Shuang Cui, Li Yang, Chunyi Wu, Jian Liu, Fang Yang, Youhua Liu, Jianping Bin, Fan Fan Hou
AIMS: Acute kidney injury (AKI) is increasingly recognized as a major risk factor leading to progression to chronic kidney disease (CKD). However, the diagnostic tools for predicting AKI to CKD progression are particularly lacking. Here, we tested the utility of contrast enhanced ultrasound (CEUS) for predicting progression to CKD after AKI by using both mild (20-minute) and severe (45-minute) bilateral renal ischemia/reperfusion injury (IRI) mice. RESULTS: Renal perfusion measured by CEUS reduced to 25%±7% and 14%±6% of the pre-ischemic levels in mild and severe AKI 1 hour after ischemia (P<0...
July 17, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28714649/-gender-differences-in-chronic-kidney-diseases-myth-or-reality
#15
Patricia Mehier, Michel Burnier, Menno Pruijm
Chronic kidney disease (CKD) concerns about 10 % of the population in Switzerland. Epidemiological studies suggest that women are less prone to the development of CKD than men, and progress less rapidly to end stage renal disease. This protection seems lost when entering menopause. The reasons for this finding may stem from hormonal, structural or hemodynamic differences, yet the precise underlying mechanisms are so far incompletely understood. Some animal studies suggest a potentially beneficial effect of estrogen therapy, mainly in diabetes, yet data in humans are lacking...
February 22, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28711072/chronic-kidney-disease-and-pregnancy
#16
Michelle A Hladunewich
Women with chronic kidney disease (CKD) are at risk for adverse pregnancy-associated outcomes, including progression of their underlying renal dysfunction, a flare of their kidney disease, and adverse pregnancy complications such as preeclampsia and preterm delivery. Earlier-stage CKD, as a rule, is a safer time to have a pregnancy, but even women with end-stage kidney disease have attempted pregnancy in recent years. As such, nephrologists need to be comfortable with pregnancy preparation and management at all stages of CKD...
July 2017: Seminars in Nephrology
https://www.readbyqxmd.com/read/28710786/comparison-of-perioperative-and-functional-outcomes-of-robotic-partial-nephrectomy-for-ct1a-versus-ct1b-renal-masses
#17
Christopher R Reynolds, Joan C Delto, David Paulucci, Corey Weinstein, Ketan Badani, Daniel Eun, Ronney Abaza, James Porter, Akshay Bhandari, Ashok Hemal
OBJECTIVES: To compare perioperative and functional outcomes of patients with cT1a or cT1b renal masses undergoing robotic partial nephrectomy in a large multi-institutional study. PATIENTS AND METHODS: The present retrospective IRB approved multi-institutional study utilized a prospectively maintained database to identify patients undergoing robotic partial nephrectomy by 6 surgeons for a solitary cT1a (n=1307) or cT1b (n=377) renal mass from 2006 to 2016. Perioperative and renal function outcomes at discharge and median follow-up of 12...
July 15, 2017: BJU International
https://www.readbyqxmd.com/read/28709597/outcomes-and-renal-function-trajectory-after-acute-kidney-injury-the-narrow-road-to-perdition
#18
Steven G Coca
Analyses of the Grampian Laboratory Outcomes Morbidity and Mortality Study-II cohort support the notion that acute kidney injury (AKI) increases the risk of progression of glomerular filtration rate after recovery from AKI to a new baseline. However, the findings have to be considered in the bigger context of the absolute event rates for de novo progression versus nonrecovery and the competing risk of death after AKI. Examination of the data raises important implications for the design and implementation of clinical trials with interventions that target the AKI-to-chronic kidney disease transition...
August 2017: Kidney International
https://www.readbyqxmd.com/read/28708211/direct-acting-antivirals-for-hepatitis-c-virus-in-patients-on-maintenance-dialysis
#19
Fabrizio Fabrizi, Francesca M Donato, Piergiorgio Messa
The frequency of hepatitis C virus (HCV) infection remains high in patients with chronic kidney disease (CKD) and plays a detrimental role in mortality in this population. According to the latest survey, the adjusted hazard ratio for HCV-positive versus HCV-negative patients on long-term dialysis was 1.12 (95% CI, 1.05 to 1.20) and 1.10 (95% CI, 0.98 to 1.22) for all-cause and cardiovascular mortality, respectively. An impairment on quality of life has also been documented in HCV-infected patients undergoing regular dialysis...
July 8, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28703899/the-coronary-artery-calcification-score-and-common-iliac-artery-calcification-score-in-non-dialysis-ckd-patients
#20
Sonoo Mizuiri, Yoshiko Nishizawa, Kazuomi Yamashita, Kenji Mizuno, Masahiro Ishine, Doi Shigehiro, Takao Masaki, Shigemoto Kenichiro
AIM: Many studies have validated Agatston's coronary artery calcification score (CACS) for assessing vascular calcification (VC) in chronic kidney disease (CKD) patients. This study aimed to evaluate the CACS and common iliac artery calcification score (IACS) and to examine the variables related to each score. METHODS: The subjects were 145 non-dialysis CKD patients. The CACS and IACS were determined using the same thoracicoabdominal multi-detector computed tomography...
July 13, 2017: Nephrology
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