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Cognition AND (renal funtion OR creatinine)

Ralf Kunschmann, Stefan Busse, Thomas Frodl, Mandy Busse
Patients suffering from cognitive decline such as mild cognitive impairment or neurodegenerative disorders including Alzheimer's dementia, vascular dementia, frontotemporal dementia, and Lewy body dementia are often accompanied by symptoms like psychosis, depression, agitation, and apathy. Aging increases not only the prevalence of dementia but also the development of kidney disorders, which had emerged as possible risk factor of cognitive impairment and dementia. However, a contribution of renal dysfunction to psychosis associated with cognitive decline remains to be investigated...
2017: Journal of Alzheimer's Disease: JAD
Kay Deckers, Ileana Camerino, Martin P J van Boxtel, Frans R J Verhey, Kate Irving, Carol Brayne, Miia Kivipelto, John M Starr, Kristine Yaffe, Peter W de Leeuw, Sebastian Köhler
OBJECTIVE: Renal dysfunction has been linked with increased risk for cognitive impairment and dementia, but studies are conflicting. For that reason, the aim of the present systematic review and meta-analysis is to summarize the best available evidence on the prospective association between potential markers of renal dysfunction and development of cognitive impairment or dementia. METHODS: Medline, Embase, and Cochrane Database of Systematic Reviews were searched for potential publications until August 1, 2016...
January 10, 2017: Neurology
Silvia Lai, Oriano Mecarelli, Patrizia Pulitano, Roberto Romanello, Leonardo Davi, Alessia Zarabla, Amalia Mariotti, Maria Carta, Giorgia Tasso, Luca Poli, Anna Paola Mitterhofer, Massimo Testorio, Nicla Frassetti, Paola Aceto, Alessandro Galani, Carlo Lai
Chronic kidney disease (CKD) is a highly prevalent condition in the world. Neurological, psychological, and cognitive disorders, related to CKD, could contribute to the morbidity, mortality, and poor quality of life of these patients. The aim of this study was to assess the neurological, psychological, and cognitive imbalance in patients with CKD on conservative and replacement therapy.Seventy-four clinically stable patients affected by CKD on conservative therapy, replacement therapy (hemodialysis (HD), peritoneal dialysis (PD)), or with kidney transplantation (KT) and 25 healthy controls (HC), matched for age and sex were enrolled...
November 2016: Medicine (Baltimore)
Anne-Sophie Martineau, Véronique Leray, Anne Lepoudere, Géraldine Blanchard, Julien Bensalem, David Gaudout, Khadija Ouguerram, Patrick Nguyen
BACKGROUND: Grape and blueberry extracts are known to protect against age-related cognitive decline. However, beneficial effects achieved by mixing grape and blueberry extracts have yet to be evaluated in dogs, or their bioavailability assessed. Of concern to us were cases of acute renal failure in dogs, after their ingestion of grapes or raisins. The European Pet Food Industry Federation (2013) considers only the grape or raisin itself to be potentially dangerous; grape-seed extracts per-se, are not considered to be a threat...
August 3, 2016: BMC Veterinary Research
Barry I Freedman, Crystal A Gadegbeku, R Nick Bryan, Nicholette D Palmer, Pamela J Hicks, Lijun Ma, Michael V Rocco, S Carrie Smith, Jianzhao Xu, Christopher T Whitlow, Benjamin C Wagner, Carl D Langefeld, Amret T Hawfield, Jeffrey T Bates, Alan J Lerner, Dominic S Raj, Mohammad S Sadaghiani, Robert D Toto, Jackson T Wright, Donald W Bowden, Jeff D Williamson, Kaycee M Sink, Joseph A Maldjian, Nicholas M Pajewski, Jasmin Divers
To assess apolipoprotein L1 gene (APOL1) renal-risk-variant effects on the brain, magnetic resonance imaging (MRI)-based cerebral volumes and cognitive function were assessed in 517 African American-Diabetes Heart Study (AA-DHS) Memory IN Diabetes (MIND) and 2568 hypertensive African American Systolic Blood Pressure Intervention Trial (SPRINT) participants without diabetes. Within these cohorts, 483 and 197 had cerebral MRI, respectively. AA-DHS participants were characterized as follows: 60.9% female, mean age of 58...
August 2016: Kidney International
Nur Abu Ahmad, Zaher Armaly, Sylvia Berman, Adel Jabour, Shlomit Aga-Mizrachi, Efrat Mosenego-Ornan, Avi Avital
Over the past decade, the prevalence of chronic kidney disease (CKD) has reached epidemic proportions. The search for novel pharmacological treatment for CKD has become an area of intensive clinical research. l-Carnitine, considered as the "gatekeeper" responsible for admitting long chain fatty acids into cell mitochondria. l-Carnitine synthesis and turnover are regulated mainly by the kidney and its levels inversely correlate with serum creatinine of normal subjects and CKD patients. Previous studies showed that l-carnitine administration to elderly people is improving and preserving cognitive function...
October 1, 2016: Physiology & Behavior
Xiao Lu Jiang, Ji Qiu Wen, Long Jiang Zhang, Gang Zheng, Xue Li, Zhe Zhang, Ya Liu, Li Juan Zheng, Long Wu, Hui Juan Chen, Xiang Kong, Song Luo, Guang Ming Lu, Xue Man Ji, Zong Jun Zhang
We used arterial-spin labeling (ASL) MR imaging, a non-invasive technique to evaluate cerebral blood flow (CBF) changes in patients with end-stage renal disease (ESRD) undergoing peritoneal dialysis (PD) and hemodialysis (HD), and nondialysis ESRD patients compared with healthy cohort. Ninety seven ESRD patients including 32 PD patients (20 male, 12 female; mean age 33 ± 8 years), 33 HD patients (22 male, 11 female; mean age 33 ± 8 years) and 32 nondialysis patients (20 male, 12 female; mean age 35 ± 7 years) and 31 age- and gender-matched healthy controls (20 male, 11 female; mean age 32 ± 8 years) were included in this study...
August 2016: Metabolic Brain Disease
Eitan Auriel, Efrat Kliper, Shani Shenhar-Tsarfaty, Jeremy Molad, Shlomo Berliner, Itzhak Shapira, Dafna Ben-Bashat, Ludmila Shopin, Oren Tene, Gary A Rosenberg, Natan M Bornstein, Einor Ben Assayag
OBJECTIVE: To evaluate the interrelationship among impaired renal function, brain pathology on imaging, and cognitive decline in a longitudinal poststroke cohort. METHODS: The Tel Aviv Brain Acute Stroke Cohort study is a prospective cohort of mild-moderate ischemic stroke/TIA survivors without dementia who underwent a 3T MRI and were cognitively assessed at admission and for 24 months following stroke. Renal function was evaluated at admission by creatinine clearance (CCl) estimation...
May 24, 2016: Neurology
Emma Boström, Kristina Claeson Bohnstedt, Karl-Gustav Jostell, Sofie Alverlind, Gunilla Huledal, Björn Paulsson, Hans-Göran Hårdemark, John Öhd, Sara Lindholm
AZD1446 is a highly selective agonist of central α4β2 and α2β2 neuronal nicotinic receptors. The compound has been shown to improve cognition in preclinical studies and thus has potential for treatment of cognitive disorders, including Alzheimer's disease (AD). This report presents the pharmacokinetics of AZD1446 based on a pooled population pharmacokinetic analysis of five studies in Caucasian and Japanese healthy volunteers. The model described the inter-individual and inter-occasion variability as well as identified the impact of covariates such as age and ethnicity on the parameters...
January 2014: Clinical Pharmacology in Drug Development
Yoon-Sang Oh, Joong-Seok Kim, Hyung-Eun Park, In-Uk Song, Jeong-Wook Park, Dong-Won Yang, Byung-Chul Son, Si-Hoon Lee, Kwang-Soo Lee
BACKGROUND: Impaired renal function and proteinuria have been associated with cognitive impairment and dementia. Chronic kidney disease is considered to be an independent risk factor for Lewy body spectrum disorders (LBD). However, few studies have mentioned an association between proteinuria and cognition in LBD. We investigated the relationship between proteinuria and cognitive dysfunction in patients with Parkinson's disease (PD) and dementia with Lewy bodies (DLB). METHODS: Among 186 patients with LBD, 53 had PD-normal cognition (PD-NC), 76 had PD-mild cognitive impairment (PD-MCI), 43 had PD-dementia (PDD) and 14 had DLB...
March 15, 2016: Journal of the Neurological Sciences
Yoon-Sang Oh, Joong-Seok Kim, Jeong-Wook Park, Jae-Young An, Sung Kyung Park, Yong-Soo Shim, Dong-Won Yang, Kwang-Soo Lee
Impaired renal function is regarded as a risk factor for vascular disease, and is associated with an increasing pulse wave velocity. Both renal dysfunction and arterial stiffness are associated with cognitive impairment and dementia. However, there have been few studies that have evaluated the relationship between albuminuria and arterial stiffness and Alzheimer's disease (AD). We investigated renal dysfunction and arterial stiffness in AD, as compared to normal controls, patients with subjective memory impairment (SMI), and patients with mild cognitive impairment (MCI)...
March 2016: Neurological Sciences
Jin-Biao Zhang, Na Geng, Zhen-Guang Li, Hui-Jie Qiao, Hai-Rong Sun, Fang Li
Kidney disease is associated with cognitive impairment in studies of nondiabetic adults. We examined the cross-sectional relation between three measures of renal function and cognitive impairment (CI) in type 2 diabetic patients. A total of 357 patients with type 2 diabetes were prospectively enrolled. There were 108 patients with CI and 249 patients without CI (control). We calculated the urinary albumin/creatinine ratio (UACR) from morning spot urine and the estimated glomerular filtration rate (eGFR) in serum samples...
January 1, 2016: Neuroscience Letters
Yelena Slinin, Nancy Greer, Areef Ishani, Roderick MacDonald, Carin Olson, Indulis Rutks, Timothy J Wilt
BACKGROUND: In 2006, NKF-KDOQI (National Kidney Foundation-Kidney Disease Outcomes Quality Initiative) published clinical practice guidelines for hemodialysis adequacy. Recent studies evaluating hemodialysis adequacy as determined by initiation timing, frequency, duration, and membrane type and prompted an update to the guideline. STUDY DESIGN: Systematic review and evidence synthesis. SETTING & POPULATION: Patients with advanced chronic kidney disease receiving hemodialysis...
November 2015: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
Stephen L Seliger, Carrington R Wendell, Shari R Waldstein, Luigi Ferrucci, Alan B Zonderman
BACKGROUND: Renal disease has been associated with greater risk of dementia and greater cognitive impairment. However, the relationship of lower renal function with long-term decline in specific domains of cognitive function remains unclear among community-dwelling, non-demented individuals. METHODS: Stroke- and dementia-free participants (n = 2,116) were enrolled in the Baltimore Longitudinal Study of Aging, a community-based, prospective, longitudinal study. Renal function was estimated by the inverse of serum creatinine adjusted for age, sex and race and (in sensitivity analyses) estimated glomerular filtration rate (eGFR) using the MDRD formula...
2015: American Journal of Nephrology
Hui Juan Chen, Rongfeng Qi, Xiang Kong, Jiqiu Wen, Xue Liang, Zhe Zhang, Xue Li, Guang Ming Lu, Long Jiang Zhang
To investigate the effect of hemodialysis (HD) on cognitive dysfunction in patients with end-stage renal disease (ESRD) using resting-state functional MR imaging (rs-fMRI) with regional homogeneity (ReHo) and functional connectivity algorithms. The rs-fMRI data were acquired in 58 ESRD patients (HD patients, n = 32, 22 male and 10 female, mean age 36.5 ± 9.6 years; non-HD ESRD patients, n = 26, 16 male and 10 female, mean years of 35.6 ± 8.2) and 32 healthy controls (22 male and 10 female, mean years of 32...
October 2015: Metabolic Brain Disease
Joshua R Lewis
No abstract text is available yet for this article.
2015: American Journal of Nephrology
Song Luo, Rong Feng Qi, Ji Qiu Wen, Jian Hui Zhong, Xiang Kong, Xue Liang, Qiang Xu, Gang Zheng, Zhe Zhang, Long Jiang Zhang, Guang Ming Lu
PURPOSE: To analyze the spontaneous brain activity patterns in patients with end-stage renal disease (ESRD) undergoing peritoneal dialysis (PD) by using resting-state functional magnetic resonance (MR) imaging with an amplitude of low-frequency fluctuations (ALFF) algorithm. MATERIALS AND METHODS: This study received institutional review board approval, and all subjects gave informed consent. Forty-four patients with ESRD, 24 of whom were undergoing PD (PD group; eight women; mean age, 34 years ± 8) and 20 who were not undergoing PD or hemodialysis (nondialysis group; six women; mean age, 37 years ± 9) and 24 healthy control subjects (eight women; mean age, 32 years ± 9 years) were included...
January 2016: Radiology
Maurizio Bossola, Enrico Di Stasio, Manuela Antocicco, Loredana Panico, Gilda Pepe, Luigi Tazza
BACKGROUND: Little is known about the correlation between fatigue and survival in patients on chronic hemodialysis and whether fatigue is an independent predictor of outcome above and beyond the effects of depression. The aim of the present study was to determine if fatigue is a predictor of mortality in patients on chronic hemodialysis (CHP) and if this occurs independently of the symptoms of depression. METHODS: CHP referring to the Hemodialysis Service of the Università Cattolica of Rome, Italy between November 2007 and January 2015 were studied...
2015: Nephron
Xiao-Dong Zhang, Ji-Qiu Wen, Qiang Xu, Rongfeng Qi, Hui-Juan Chen, Xiang Kong, Lu-De Wei, Min Xu, Long Jiang Zhang, Guang Ming Lu
To investigate alterations of functional connectivity density (FCD) in patients with end-stage renal disease (ESRD) by using resting-state functional magnetic resonance imaging (rs-fMRI). Medical research ethics committee approval from Jinling hospital and written informed consent from each subject were obtained. Forty six patients with ESRD, consisting of 21 patients minimal nephrotic encephalopathy (MNE) and 25 non-nephro-encephalopathy (non-NE), as well as 23 healthy controls underwent rs-fMRI. Neuropsychological tests were performed in all subjects, while laboratory tests were performed in ESRD patients...
October 2015: Metabolic Brain Disease
Mary C Mallappallil, Ravindra Mehta, Ellen Yoshiuchi, Gary Briefel, Edgar Lerma, Moro Salifu
BACKGROUND: Despite advances in the approach to cure acute kidney injury (AKI), including definition, classification and treatment methods, there are no standard criteria to withdraw dialysis in the setting of improving AKI. We conducted this survey to elucidate parameters that United States (US) nephrologists used to determine when to stop dialysis with improving renal function in AKI. We hypothesized that there would be a difference in approach to weaning a patient off dialysis based on years in practice or the number of cases of AKI treated per year...
2015: Nephron
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