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Etiology CKD

Prashanthi Vemuri, David S Knopman, Clifford R Jack, Emily S Lundt, Stephen D Weigand, Samantha M Zuk, Kaely B Thostenson, Robert I Reid, Kejal Kantarci, Yelena Slinin, Kamakshi Lakshminarayan, Cynthia S Davey, Anne Murray
BACKGROUND: Chronic kidney disease (CKD) studies have reported variable prevalence of brain pathologies, in part due to low inclusion of participants with moderate to severe CKD. OBJECTIVE: To measure the association between kidney function biomarkers and brain MRI findings in CKD. METHODS: In the BRINK (BRain IN Kidney Disease) study, MRI was used to measure gray matter volumes, cerebrovascular pathologies (white matter hyperintensity (WMH), infarctions, microhemorrhages), and microstructural changes using diffusion tensor imaging (DTI)...
October 19, 2016: Journal of Alzheimer's Disease: JAD
Vina Tresa, Afshan Yaseen, Ali Asghar Lanewala, Seema Hashmi, Sabeeta Khatri, Irshad Ali, Muhammed Mubarak
BACKGROUND: The reported prevalence rates and etiologies of acute kidney injury (AKI) are quite variable in different regions of the world. The current study was planned to determine the etiology, clinical profile, and short-term outcome of pediatric AKI at our hospital. METHODS: A prospective, observational study was carried out from April 2014 to March 2015. All pediatric patients (1 month to ≤15 years) diagnosed as AKI using modified pRIFLE criteria were studied and followed for 3 months to document short-term outcome...
October 21, 2016: Renal Failure
Jong-Chan Youn, Hee Tae Yu, Hyeon Chang Kim, Suk-Won Choi, Seong-Woo Han, Kyu-Hyung Ryu, Eui-Cheol Shin, Sungha Park
OBJECTIVE: Chronic kidney disease (CKD) is associated with increased arterial stiffness, which is a well-known predictor of future cardiovascular events. However, the underlying mechanism of arterial stiffening in CKD is not well known. Accelerated immune aging, characterized by expansion of immunosenescent T cell fraction might be involved in the pathogenesis of arterial stiffening in CKD. We aimed to evaluate the relationship between arterial stiffness and immunosenescent T cell (CD8CD57 or CD8CD28 T cell) fraction in patients with CKD...
September 2016: Journal of Hypertension
Shatha Hussain Ali, Salman Hussain Assi, Fadhil S Hussien
Hypertension (HTN) is one of the most common sequelae of chronic kidney disease (CKD) in children. Dialysis-related HTN is predominantly caused by chronic volume overload, and as such the blood pressure (BP) can be reduced and/or brought down to normal in a sizable number of patients with improved salt and fluid balance. This study was conducted to assess the prevalence of HTN among children on hemodialysis (HD) and to evaluate the correlation of HTN with some demographic data. This is a prospective study performed on forty pediatric patients with CKD receiving maintenance HD in three centers in Baghdad...
September 2016: Saudi Journal of Kidney Diseases and Transplantation
Jason Misurac
Neonatal chronic kidney disease (CKD) occurs with an estimated incidence of 1 in 10,000 live births, whereas the incidence of neonatal end-stage renal disease (ESRD) is about 7.1 per million age-related population. The most frequent etiologies are renal hypoplasia/dysplasia, posterior urethral valves, and other congenital anomalies of the kidney and urinary tract. Other etiologies include polycystic kidney disease, cortical necrosis, and renal vascular thrombosis. Management of CKD focuses primarily on replacing renal functions such as erythropoietin, 1,25-hydroxylation of vitamin D, electrolyte homeostasis/excretion, and, in ESRD, waste product removal...
October 9, 2016: Seminars in Fetal & Neonatal Medicine
Belinda Spoto, Anna Pisano, Carmine Zoccali
Insulin resistance (IR) is an early metabolic alteration in CKD patients, being apparent when the glomerular filtration rate is still within the normal range and becoming almost universal in those who reach the ESKF. The skeletal muscle represents the primary site of IR in CKD and post-receptor alterations are recognized as the main defect underlying IR in this condition. Estimates of IR based on fasting insulin concentration are easier but may not be adequate in CKD patients because renal insufficiency reduces insulin catabolism...
October 5, 2016: American Journal of Physiology. Renal Physiology
Giuseppina Federico, Michael Meister, Daniel Mathow, Gunnar H Heine, Gerhard Moldenhauer, Zoran V Popovic, Viola Nordström, Annette Kopp-Schneider, Thomas Hielscher, Peter J Nelson, Franz Schaefer, Stefan Porubsky, Danilo Fliser, Bernd Arnold, Hermann-Josef Gröne
Renal tubular atrophy and interstitial fibrosis are common hallmarks of etiologically different progressive chronic kidney diseases (CKD) that eventually result in organ failure. Even though these pathological manifestations constitute a major public health problem, diagnostic tests, as well as therapeutic options, are currently limited. Members of the dickkopf (DKK) family, DKK1 and -2, have been associated with inhibition of Wnt signaling and organ fibrosis. Here, we identify DKK3 as a stress-induced, tubular epithelia-derived, secreted glycoprotein that mediates kidney fibrosis...
January 21, 2016: JCI Insight
Fabio Rosario Salerno, Grace Parraga, Christopher William McIntyre
Dyspnea is one of the most common symptoms associated with CKD. It has a profound influence on the quality of life of CKD patients, and its underlying causes are often associated with a negative prognosis. However, its pathophysiology is poorly understood. While hemodialysis may address fluid overload, it often does not significantly improve breathlessness, suggesting multiple and co-existing alternative issues exist. The aim of this article is to discuss the main pathophysiologic mechanisms and the most important putative etiologies underlying dyspnea in CKD patients...
September 28, 2016: Seminars in Dialysis
John Dotis, Antigoni Pavlaki, Nikoleta Printza, Stella Stabouli, Stamatia Antoniou, Chrysa Gkogka, Nikolaos Kontodimopoulos, Fotios Papachristou
BACKGROUND: Progressive chronic kidney disease (CKD), irrespective of the underlying etiology, affects the quality of life (QoL) of children due to the need for regular follow-up visits, a strict medication program and diet intake. METHODS: The Greek version of the KIDSCREEN-52 multidimensional questionnaire was used in children with CKD, renal transplantation (RT) and in a control group (CG) of healthy children. RESULTS: Fifty-five patients between 8 and 18 years, with CKD (n = 25), RT (n = 16) and with end-stage renal disease (ESRD) on peritoneal dialysis (PD) (n = 14) were included...
September 27, 2016: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
Jong-Chan Youn, Hee Tae Yu, Hyeon Chang Kim, Suk-Won Choi, Seong-Woo Han, Kyu-Hyung Ryu, Eui-Cheol Shin, Sungha Park
OBJECTIVE: Chronic kidney disease (CKD) is associated with increased arterial stiffness, which is a well-known predictor of future cardiovascular events. However, the underlying mechanism of arterial stiffening in CKD is not well known. Accelerated immune aging, characterized by expansion of immunosenescent T cell fraction might be involved in the pathogenesis of arterial stiffening in CKD. We aimed to evaluate the relationship between arterial stiffness and immunosenescent T cell (CD8CD57 or CD8CD28 T cell) fraction in patients with CKD...
September 2016: Journal of Hypertension
Zhi-Hao Zhang, Hua Chen, Nosratola D Vaziri, Jia-Rong Mao, Li Zhang, Xu Bai, Ying-Yong Zhao
Chronic kidney disease (CKD) has emerged as a major public health problem worldwide. It frequently progresses to end-stage renal disease, which is related to very high cost and mortality. Novel biomarkers can provide insight into the novel mechanism, facilitate early detection, and monitor progression of CKD and its response to therapeutic interventions. To identify potential biomarkers, we applied an UPLC-HDMS together with univariate and multivariate statistical analyses using plasma samples from patients with CKD of diverse etiologies (100 sera in discovery set and 120 sera in validation set) and two different rat models of CKD...
October 7, 2016: Journal of Proteome Research
Thomas Dienemann, Naohiko Fujii, Paula Orlandi, Lisa Nessel, Susan L Furth, Wendy E Hoy, Seiichi Matsuo, Gert Mayer, Shona Methven, Franz Schaefer, Elke S Schaeffner, Laura Solá, Bénédicte Stengel, Christoph Wanner, Luxia Zhang, Adeera Levin, Kai-Uwe Eckardt, Harold I Feldman
BACKGROUND: Chronic kidney disease (CKD) is a global health burden, yet it is still underrepresented within public health agendas in many countries. Studies focusing on the natural history of CKD are challenging to design and conduct, because of the long time-course of disease progression, a wide variation in etiologies, and a large amount of clinical variability among individuals with CKD. With the difference in health-related behaviors, healthcare delivery, genetics, and environmental exposures, this variability is greater across countries than within one locale and may not be captured effectively in a single study...
2016: BMC Nephrology
Giovanni Musso, Franco De Michieli, Daria Bongiovanni, Renato Parente, Luciana Framarin, Nicola Leone, Mara Berrutti, Roberto Gambino, Maurizio Cassader, Solomon Cohney, Elena Paschetta
Epidemiological data set an association between the prevalence and severity of NAFLD and the incidence and stage of chronic kidney disease(CKD); furthermore, NASH-related cirrhosis has a higher risk of renal failure, a greater necessity for simultaneous liver-kidney transplantation(SLKT) and a poorer renal outcome than cirrhosis of other etiologies even after SLKT. These data suggest NASH and CKD share common proinflammatory and profibrotic mechanisms of progression, which are incompletely targeted by current treatments...
August 10, 2016: Clinical Gastroenterology and Hepatology
Erik Stites, Alexander C Wiseman
Kidney transplantation has proven to be the gold standard therapy for severe chronic kidney disease (CKD) due to multiple etiologies in individuals deemed eligible from a surgical standpoint. While kidney transplantation is traditionally considered in conditions of native kidney disease such as diabetes and immunological or inherited causes of kidney disease, an increasing indication for kidney transplantation is kidney dysfunction in the setting of other severe organ dysfunction that requires transplant, such as severe liver or heart disease...
October 2016: Transplantation Reviews
J Prakash, P Pant, S Prakash, M Sivasankar, R Vohra, P K Doley, L K Pandey, U Singh
The incidence of acute kidney injury (AKI) in pregnancy is declining in developing countries but still remains a major cause of maternal and fetal morbidity and mortality. The aim of the study was to analyze the changing trends in pregnancy related AKI (PR-AKI) over a period of thirty-three years. Clinical characteristics of PR-AKI with respect to incidence, etiology and fetal and maternal outcomes were compared in three study periods, namely 1982-1991,1992-2002 and 2003-2014. The incidence of PR-AKI decreased to 10...
July 2016: Indian Journal of Nephrology
Theophilus I Umeizudike, Jacob O Awobusuyi, Christiana O Amira, Taslim B Bello, Monica O Mabayoje, Adebowale O Adekoya, Olufemi O Adelowo, Mumuni A Amisu
BACKGROUND: The burden of chronic kidney disease (CKD) in Nigeria is quite alarming. The prevalence of CKD ranges from 11 - 23.5%. Hypertension and chronic glomerulonephritis (CGN) remain the two leading causes of CKD in Nigeria. The etiology of CKD in many of these patients remains unknown, as few biopsies are done. In order to demystify the various glomerular diseases that culminate in CGN, performing a kidney biopsy offers a ray of hope. Few studies on renal biopsies have emanated from Nigeria; this study, however, is unique as the histopathological analysis involves light, immunofluorescence, and electron microscopies...
August 10, 2016: Clinical Nephrology
Fatiu A Arogundade, Muzamil O Hassan, Bolanle A Omotoso, Stephen O Oguntola, Oluyomi O Okunola, Abubakr A Sanusi, Adewale Akinsola
Kidney diseases have assumed epidemic proportions in both developed and developing countries, particularly chronic kidney disease (CKD). While treatment modalities are available and accessible in developed economies with improvement in outcomes, survival, and quality of life, they are either unavailable or inaccessible in nations with emerging economies, particularly in sub-Saharan Africa (SSA), with an attendant worsening outcome and survival for CKD patients. The epidemiology of CKD in SSA has revealed that it preferentially affects adults in their economically productive years, usually below the age of 50 years, with consequent drain on the economy...
August 10, 2016: Clinical Nephrology
S Vettoretti, L Caldiroli, V Azzini, R Meazza, A Villarini, M Marcucci, C Alfieri, P Messa
OBJECTIVE: Blood pressure (BP) targets in chronic kidney disease (CKD) may differ in accordance with the etiology of CKD. We investigated if BP targets recommended by 2013 ESH guidelines for CKD patients are equally effective in subjects with nephroangiosclerosis (NAS+) respect to those with other nephropathies (NAS-). DESIGN AND METHOD: We analyzed 148 hypertensive patients with CKD (stages 3b-4), NAS+ (n = 66) and NAS- (n = 82). We collected at two visits: anamnesis, BP, blood and 24 h urinary samples...
September 2016: Journal of Hypertension
Johanna Kurko, Maaria Tringham, Laura Tanner, Kirsti Näntö-Salonen, Mari Vähä-Mäkilä, Heli Nygren, Päivi Pöhö, Niina Lietzen, Ismo Mattila, Anu Olkku, Tuulia Hyötyläinen, Matej Orešič, Olli Simell, Harri Niinikoski, Juha Mykkänen
BACKGROUND: Lysinuric protein intolerance (LPI [MIM 222700]) is an aminoaciduria with defective transport of cationic amino acids in epithelial cells in the small intestine and proximal kidney tubules due to mutations in the SLC7A7 gene. LPI is characterized by protein malnutrition, failure to thrive and hyperammonemia. Many patients also suffer from combined hyperlipidemia and chronic kidney disease (CKD) with an unknown etiology. METHODS: Here, we studied the plasma metabolomes of the Finnish LPI patients (n=26) and healthy control individuals (n=19) using a targeted platform for analysis of amino acids as well as two analytical platforms with comprehensive coverage of molecular lipids and polar metabolites...
September 2016: Metabolism: Clinical and Experimental
Valentina Corradi, Francesca Martino, Fiorella Gastaldon, Elisa Scalzotto, Carlotta Caprara, Antonio Fortunato, Giulia Pinaffo, Cristina Marchetti, Francesca Fabbi, Davide Giavarina, Fiorenza Ferrari, Mitchell H Rosner, Claudio Ronco
BACKGROUND: Autosomal dominant polycystic kidney disease (ADPKD) is the most common hereditary kidney disease. Studies have suggested a possible prognostic role of copeptin in determining the rate of progressive kidney function decline in ADPKD patients. However, it remains unresolved whether the changes in copeptin levels are specific for ADPKD or merely reflect a decline in glomerular filtration rate (GFR) regardless of the etiology of chronic kidney disease (CKD). METHODS: We performed a case-control study in ADPKD and non-ADPKD (control) patients...
September 2016: Clinical Nephrology
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