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Ckd statistical methods

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https://www.readbyqxmd.com/read/28398983/effectiveness-of-educational-or-behavioral-interventions-on-adherence-to-phosphate-control-in-adults-receiving-hemodialysis-a-systematic-review
#1
Molly Milazi, Ann Bonner, Clint Douglas
BACKGROUND: People with end-stage kidney disease (ESKD) develop impaired excretion of phosphate. Hyperphosphatemia develops in ESKD as a result of the kidney's reduced ability to excrete ingested phosphate load and is characterized by high bone turnover and increased musculoskeletal morbidity including bone pain and muscle weakness. Increased serum phosphate levels are also associated with cardiovascular disease and associated mortality. These effects are significant considering that cardiovascular disease is the leading cause of death in ESKD, making phosphate control a crucial treatment goal...
April 2017: JBI Database of Systematic Reviews and Implementation Reports
https://www.readbyqxmd.com/read/28392941/insulin-resistance-and-chronic-kidney-disease-in-patients-with-type-1-diabetes-mellitus
#2
Mihaela Vladu, Diana Clenciu, Ion Cristian Efrem, Mircea-Cătalin Forțofoiu, Anca Amzolini, Simona Tudorică Micu, Maria Moţa, Maria Forțofoiu
Background and Aims. Diabetes mellitus (DM) is a chronic disease which can evolve towards devastating micro- and macrovascular complications. DM is the most frequent cause of chronic kidney disease (CKD). Insulin resistance plays an important role in the natural history of type 1 diabetes. The purpose of the study was to determine the prevalence of CKD in T1DM and the correlation with insulin resistance (IR) in patients with CKD. Materials and Methods. The study was conducted over a period of three years (2010-2013) and included patients with DM registered in the Clinical Centre of Diabetes, Nutrition and Metabolic Diseases of Dolj county...
2017: Journal of Nutrition and Metabolism
https://www.readbyqxmd.com/read/28387019/plasma-n-terminal-probrain-natriuretic-peptide-vascular-endothelial-growth-factor-and-cardiac-troponin-i-as-novel-biomarkers-of-hypertensive-disease-and-target-organ-damage-in-cats
#3
E S Bijsmans, R E Jepson, C Wheeler, H M Syme, J Elliott
BACKGROUND: In the absence of ocular target organ damage (ocular-TOD), diagnosis of hypertension is challenging in cats. Biomarkers would provide additional support for the diagnosis of hypertension. HYPOTHESIS: Vascular endothelial growth factor (VEGF), N-terminal probrain natriuretic peptide (NT-proBNP), cardiac troponin I (cTnI), and urine protein-to-creatinine ratio (UPC) are predictors of systemic hypertension, will be increased in cats with hypertension with or without ocular-TOD, and will decrease with antihypertensive treatment...
April 7, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28332473/correlation-analysis-of-renal-ultrasound-elastography-and-clinical-and-pathological-changes-in-patients-with-chronic-kidney-disease%C3%A2
#4
Lingyan Peng, Tingting Zhong, Qiuling Fan, Yanjun Liu, Xuemei Wang, Lining Wang
OBJECTIVE: To analyze the correlations of renal tissue elastography with clinical biochemical indicators and pathological changes in patients with chronic kidney disease (CKD) as well as to explore the potential for renal tissue elastography as a new, noninvasive method for the dynamic monitoring of renal disease progression, efficacy assessment, and prognosis evaluation. METHODS: Patients admitted to the Department of Nephrology of the First Affiliated Hospital of China Medical University from August 2014 to January 2015 who had undergone renal biopsies were selected...
March 23, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28317454/comparison-of-methods-for-estimating-glomerular-filtration-rate-in-head-and-neck-cancer-patients-treated-with-cisplatin
#5
Lotte Lindberg, Kasper Brødbæk, Erik G Hägerström, Jens Bentzen, Bent Kristensen, Bo Zerahn
Cisplatin is a chemotherapeutic agent widely used in the treatment of various solid tumors. Cisplatin induces nephrotoxicity and may lead to long-term reduction of kidney function. Consequently, determination of glomerular filtration rate (GFR) is used to monitor potential kidney damage. This study aimed to compare two commonly used algorithms for estimating GFR (eGFR) from plasma creatinine (PCr) with (51)Cr-EDTA clearance (CrCl) as a reference method. This was a retrospective single center study of 94 head and neck cancer patients treated with cisplatin...
March 20, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28296256/estimation-of-glomerular-filtration-rate-in-elderly-chronic-kidney-disease-patients-comparison-of-three-novel-sophisticated-equations-and-simple-cystatin-c-equation
#6
Sebastjan Bevc, Nina Hojs, Radovan Hojs, Robert Ekart, Maksimiljan Gorenjak, Ludvik Puklavec
Estimating glomerular filtration rate (GFR) in elderly patients is a problem, since they are poorly represented in studies developing GFR equations. Serum cystatin C is a better indicator of GFR than serum creatinine in elderly patients. Therefore the aim of our study was to compare frequently used serum cystatin C based GFR equations with a gold standard ((51) CrEDTA clearance) in elderly chronic kidney disease (CKD) patients. 106 adult Caucasian patients, older than 65 years (58 women, 48 men; mean age 72...
March 10, 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/28242844/statistical-methods-for-cohort-studies-of-ckd-survival-analysis-in-the-setting-of-competing-risks
#7
Jesse Yenchih Hsu, Jason A Roy, Dawei Xie, Wei Yang, Haochang Shou, Amanda Hyre Anderson, J Richard Landis, Christopher Jepson, Myles Wolf, Tamara Isakova, Mahboob Rahman, Harold I Feldman
Survival analysis is commonly used to evaluate factors associated with time to an event of interest (e.g., ESRD, cardiovascular disease, and mortality) among CKD populations. Time to the event of interest is typically observed only for some participants. Other participants have their event time censored because of the end of the study, death, withdrawal from the study, or some other competing event. Classic survival analysis methods, such as Cox proportional hazards regression, rely on the assumption that any censoring is independent of the event of interest...
February 27, 2017: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/28122514/indoxyl-sulfate-the-uremic-toxin-linking-hemostatic-system-disturbances-with-the-prevalence-of-cardiovascular-disease-in-patients-with-chronic-kidney-disease
#8
Tomasz W Kamiński, Krystyna Pawlak, Małgorzata Karbowska, Michał Myśliwiec, Dariusz Pawlak
BACKGROUND: During chronic kidney disease progression, kidney-specific risk factors for cardiovascular disease come into play. The present study investigated the impact of indoxyl sulfate, dietary tryptophan-derived uremic toxin, accumulated in the blood of patients with chronic kidney disease on hemostatic parameters, markers of inflammation, oxidative stress and monocyte to macrophage transition. METHODS: Fifty-one CKD patients not undergoing hemodialysis were enrolled in the study...
January 25, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28104123/diffusion-tensor-imaging-mri-with-spin-echo-sequence-and-long-duration-measurement-for-evaluation-of-renal-fibrosis-in-a-rat-fibrosis-model
#9
J-Y Kaimori, Y Isaka, M Hatanaka, S Yamamoto, N Ichimaru, A Fujikawa, H Shibata, A Fujimori, S Miyoshi, T Yokawa, K Kuroda, T Moriyama, H Rakugi, S Takahara
BACKGROUND: Renal fibrosis (RF) is a well-known marker for chronic kidney disease (CKD) progression, including chronic renal injury after renal transplantation. However, invasive biopsy is an available examination for evaluation of RF. Diffusion MRI was once recognized as a promising option for RF. However, it is now controversial for RF evaluation in a unilateral ureteral obstruction (UUO) model. METHODS: To seek an optimal imaging method applicable for RF in UUO model kidneys, we attempted a series of MRI methods, including proton density-weighted imaging, T1-weighted imaging, T2-weighted imaging, T2*-weighted imaging, diffusion-weighted imaging, and diffusion tensor imaging (DTI)...
January 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28065190/cholecalciferol-v-ergocalciferol-for-25-hydroxyvitamin-d-25-oh-d-repletion-in-chronic-kidney-disease-a-randomised-clinical-trial
#10
James B Wetmore, Cassandra Kimber, Jonathan D Mahnken, Jason R Stubbs
Patients with chronic kidney disease (CKD) demonstrate complex mineral metabolism derangements and a high prevalence of vitamin D deficiency. However, the optimal method of 25-hydroxyvitamin D (25(OH)D) repletion is unknown, and trials analysing the comparative efficacy of cholecalciferol and ergocalciferol in this population are lacking. We conducted a randomised clinical trial of cholecalciferol 1250μg (50 000 IU) weekly v. ergocalciferol 1250μg (50 000 IU) weekly for 12 weeks in forty-four non-dialysis-dependent patients with stage 3-5 CKD...
December 2016: British Journal of Nutrition
https://www.readbyqxmd.com/read/28031020/assessing-key-cost-drivers-associated-with-caring-for-chronic-kidney-disease-patients
#11
Paul Damien, Holly J Lanham, Murali Parthasarathy, Nikhil L Shah
BACKGROUND: To examine key factors influencing chronic kidney disease (CKD) patients' total expenditure and offer recommendations on how to reduce total cost of CKD care without compromising quality. METHODS: Using the 2002-2011 Medical Expenditure Panel Survey (MEPS) data, our cross-sectional study analyzed 197 patient records-79 patients with one record and 59 with two entries per patient (138 unique patients). We used three patient groups, based on international statistical classification of diseases version 9 code for condition (ICD9CODX) classification, to focus inference from the analysis: (a) non-dialysis dependent CKD, (b) dialysis and (c) transplant...
December 28, 2016: BMC Health Services Research
https://www.readbyqxmd.com/read/27993873/adenomatous-colon-polyps-in-diabetes-increased-prevalence-in-patients-with-chronic-kidney-disease-and-its-association-with-parathyroid-hormone
#12
Deepshikha Nag Chowdhury, Youssef Botros, Vincent A DeBari, Walid Baddoura, Chandra B Chandran
Previous studies have shown a higher prevalence of malignancy in patients with diabetes mellitus (DM) and chronic kidney disease (CKD). The purpose of this study was to investigate the prevalence of adenomatous colon polyps (ACP) as they occur in subjects with DM and coexisting CKD. This is a retrospective cohort study of patients with DM (n=565) who had undergone colonoscopy between 2000-2010. The cohort was further bifurcated into those with CKD (n=296) and those with normal renal function (n=269). Presence or absence of ACP was measured in both groups...
December 2016: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/27891460/assessment-and-correlation-of-urea-and-creatinine-levels-in-saliva-and-serum-of-patients-with-chronic-kidney-disease-diabetes-and-hypertension-a-research-study
#13
Divya Pandya, Anil Kumar Nagrajappa, K S Ravi
INTRODUCTION: Serum urea and creatinine are most widely accepted parameters to assess Chronic Kidney Disease (CKD)status as well as to assess renal status in susceptible diabetic and hypertensive subjects. AIM: To assess and correlate the serum and salivary urea and creatinine levels of CKD, diabetes mellitus and hypertensive subjects. MATERIALS AND METHODS: This cross-sectional study was done on 120 subjects involving 30 CKD, 30 diabetic, 30 hypertensive subjects and 30 healthy controls...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27890838/preoperative-evaluation-of-the-renal-function-before-the-treatment-of-abdominal-aortic-aneurysms
#14
Raphael Coscas, Sandra Wagner, Eve Vilaine, Albane Sartorius, Isabelle Javerliat, Jean Claude Alvarez, Olivier Goeau-Brissonniere, Marc Coggia, Ziad Massy
BACKGROUND: Chronic impaired renal function constitutes a major risk factor of morbi-mortality during the treatment of an abdominal aortic aneurism (AAA). The inflammatory state due to the AAA could result in a reduction in the muscular mass and an overestimation of the glomerular filtration rate (GFR) with the usual formulas. The objective of this study was to determine if the formulas used to evaluate the estimated GFR were adapted in patients with AAA. MATERIALS AND METHODS: Between August 2013 and November 2014, we conducted an exploratory study to evaluate the renal function before surgery for AAA in 28 patients...
November 24, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27873227/the-relationship-between-aortic-root-size-and-hypertension-an-unsolved-conundrum
#15
Giuseppe Mulè, Emilio Nardi, Massimiliano Morreale, Antonella Castiglia, Giulio Geraci, Dario Altieri, Valentina Cacciatore, Margherita Schillaci, Francesco Vaccaro, Santina Cottone
Thoracic aortic aneurysms rupture and dissection are among the most devastating vascular diseases, being characterized by elevated mortality, despite improvements in diagnostic imaging and surgical techniques.An increased aortic root diameter (ARD) represents the main risk factor for thoracic aortic dissection and rupture and for aortic valve regurgitation.Even though arterial hypertension is commonly regarded as a predisposing condition for the development of thoracic aorta aneurysms, the role of blood pressure (BP) as determinant of aortic root enlargement is still controversial...
November 22, 2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27863475/spanish-modified-version-of-the-palliative-care-outcome-scale-symptoms-renal-cross-cultural-adaptation-and-validation
#16
Daniel Gutiérrez-Sánchez, Juan P Leiva-Santos, Rosa Sánchez-Hernández, Domingo Hernández-Marrero, Antonio I Cuesta-Vargas
BACKGROUND: Patients with chronic kidney disease (CKD) have a high symptoms burden that is related to a poor health-related quality of life (HRQoL) and high costs of care. Validated instruments may be useful for assessing the symptoms and monitoring outcomes in these patients. The Palliative care Outcome Scale-Symptoms Renal (POS-S Renal) is a patient-reported outcome measure for assessing symptoms in CKD stage 4-5. This study is the first cross-cultural adaptation and psychometric analysis of this clinical tool...
November 18, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27837248/nephrolithiasis-as-a-risk-factor-of-chronic-kidney-disease-a-meta-analysis-of-cohort-studies-with-4-770-691-participants
#17
Meng Zhe, Zheng Hang
The objective of the study was to investigate the association between nephrolithiasis and the risk of chronic kidney disease (CKD). PubMed, Embase and ScienceDirect databases were searched for relevant cohort studies. A meta-analysis was conducted by pooling data from these studies via an inverse variance method. The Q statistic and I (2) were used to measure heterogeneity. Sensitivity analysis was conducted to ascertain whether the results were stable. Nine studies with eight cohorts involving 4,770,691 participants were identified...
November 11, 2016: Urolithiasis
https://www.readbyqxmd.com/read/27754290/br-08-2-cardiovascular-risk-assessment-in-hypertensives-with-ckd
#18
Jongha Park
Cardiovascular (CV) risk assessment is not easy in chronic kidney disease (CKD) patients. Age, male sex, race, family history of CV disease, smoking status and diabetes should be considered as CV risk factors as the general population. It is also accepted that hypertension (HTN) is associated with the greater risk of CV complications in this population. However, there are some concerns in this issue.First, supporting evidence for specific blood pressure (BP) targets in CKD is scarce. Many observational studies reported a J-shaped association between BP level and CV mortality unlike a linear association in the general population...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27660302/statistical-methods-for-cohort-studies-of-ckd-prediction-modeling
#19
Jason Roy, Haochang Shou, Dawei Xie, Jesse Y Hsu, Wei Yang, Amanda H Anderson, J Richard Landis, Christopher Jepson, Jiang He, Kathleen D Liu, Chi-Yuan Hsu, Harold I Feldman
Prediction models are often developed in and applied to CKD populations. These models can be used to inform patients and clinicians about the potential risks of disease development or progression. With increasing availability of large datasets from CKD cohorts, there is opportunity to develop better prediction models that will lead to more informed treatment decisions. It is important that prediction modeling be done using appropriate statistical methods to achieve the highest accuracy, while avoiding overfitting and poor calibration...
September 22, 2016: Clinical Journal of the American Society of Nephrology: CJASN
https://www.readbyqxmd.com/read/27643288/br-08-2-cardiovascular-risk-assessment-in-hypertensives-with-ckd
#20
Jongha Park
Cardiovascular (CV) risk assessment is not easy in chronic kidney disease (CKD) patients. Age, male sex, race, family history of CV disease, smoking status and diabetes should be considered as CV risk factors as the general population. It is also accepted that hypertension (HTN) is associated with the greater risk of CV complications in this population. However, there are some concerns in this issue.First, supporting evidence for specific blood pressure (BP) targets in CKD is scarce. Many observational studies reported a J-shaped association between BP level and CV mortality unlike a linear association in the general population...
September 2016: Journal of Hypertension
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