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https://www.readbyqxmd.com/read/28340192/prediction-equation-for-calculating-residual-kidney-urea-clearance-using-urine-collections-for-different-hemodialysis-treatment-frequencies-and-interdialytic-intervals
#1
Yoshitsugu Obi, Kamyar Kalantar-Zadeh, Elani Streja, John T Daugirdas
Background.: The purpose of the study was to explore the precision of an equation designed to estimate residual kidney urea clearance (K RU ) from interdialytic urine collection data and pre-hemodialysis (HD) serum urea nitrogen (SUN) in different hemodialysis treatment schedules. Methods.: The generalizability of the proposed equation was tested in 32 731 HD treatments where urine was collected prior to a dialysis session, mostly for 24 h but sometimes longer, in patients being dialyzed 1-4 times/week...
March 15, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28319897/dialysis-membrane-enforced-microelectrode-array-measurement-of-diverse-gut-electrical-activity
#2
Naoko Iwata, Takumi Fujimura, Chiho Takai, Kei Odani, Shin Kawano, Shinsuke Nakayama
A variety of electrical activities occur depending on the functional state in each section of the gut, but the application of microelectrode array (MEA) is rather limited. We thus developed a dialysis membranes-enforced technique to investigate diverse and complex spatio-temporal electrical activity in the gut. Muscle sheets isolated from the gastrointestinal (GI) tract of mice along with a piece of dialysis membrane were woven over and under the strings to fix them to the anchor rig, and mounted on an 8×8 MEA (inter-electrode distance=150µm)...
March 16, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28302058/effects-of-stroke-on-changes-in-heart-rate-variability-during-hemodialysis
#3
Jiun-Chi Huang, Chien-Fu Chen, Chia-Chu Chang, Szu-Chia Chen, Ming-Chia Hsieh, Yao-Peng Hsieh, Hung-Chun Chen
BACKGROUND: Stroke and low heart rate variability (HRV) are both associated with an unfavorable prognosis in hemodialysis patients. The relationship between stroke and changes in HRV during hemodialysis remains unclear. METHODS: This study measured differences between predialysis and postdialysis HRV (△HRV) in 182 maintenance hemodialysis patients, including 30 patients with stroke, to assess changes in HRV during hemodialysis, and also to compare results to 114 healthy controls...
March 16, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28301834/patient-doctor-contact-interval-and-clinical-outcomes-in-continuous-ambulatory-peritoneal-dialysis-patients
#4
Chunyan Yi, Qunying Guo, Jianxiong Lin, Jianying Li, Xueqing Yu, Xiao Yang
BACKGROUND: The optimal patient-doctor contact (PDC) interval remains unknown in peritoneal dialysis (PD) patients. The aim was to investigate the association between PDC interval and clinical outcomes in continuous ambulatory PD (CAPD) patients. METHODS: In this retrospective cohort study, CAPD patients who resided in Guangzhou city between January 2006 and December 2012 were included. According to receiver operating characteristic curve analysis, all patients were classified as high (PDC interval ≤2 months) and low (PDC interval >2 months) PDC frequency groups...
March 14, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28301073/thyroid-function-in-end-stage-renal-disease-and-effects-of-frequent-hemodialysis
#5
Joan C Lo, Gerald J Beck, George A Kaysen, Christopher T Chan, Alan S Kliger, Michael V Rocco, Minwei Li, Glenn M Chertow
INTRODUCTION: End-stage renal disease (ESRD) is associated with perturbations in thyroid hormone concentrations and an increased prevalence of hypothyroidism. Few studies have examined the effects of hemodialysis dose or frequency on endogenous thyroid function. METHODS: Within the Frequent Hemodialysis Network (FHN) trials, we examined the prevalence of hypothyroidism in patients with ESRD. Among those with endogenous thyroid function (without overt hyper/hypothyroidism or thyroid hormone supplementation), we examined the association of thyroid hormone concentration with multiple parameters of self-reported health status, and physical and cognitive performance, and the effects of hemodialysis frequency on serum thyroid stimulating hormone (TSH), free thyroxine (FT4), and free tri-iodothyronine (FT3) levels...
March 16, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28298957/the-intersection-of-pulmonary-hypertension-and-solid-organ-transplantation
#6
Adaani E Frost
Pulmonary hypertension (PH) is a complication and marker of disease severity in many parenchymal lung diseases. It also is a frequent complication of portal hypertension and negatively impacts survival with liver transplant. Pulmonary hypertension is frequently diagnosed in patients with end-stage renal disease who are undergoing dialysis, and it has recently been demonstrated to adversely affect posttransplant outcome in this patient population even though the mechanism of PH is substantially different from that associated with liver disease...
October 2016: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/28291091/impact-of-acute-kidney-injury-in-patients-hospitalized-with-pneumonia
#7
Lakhmir S Chawla, Richard L Amdur, Charles Faselis, Ping Li, Paul L Kimmel, Carlos E Palant
OBJECTIVES: Pneumonia is a common cause of hospitalization and can be complicated by the development of acute kidney injury. Acute kidney injury is associated with major adverse kidney events (death, dialysis, and durable loss of renal function [chronic kidney disease]). Because pneumonia and acute kidney injury are in part mediated by inflammation, we hypothesized that when acute kidney injury complicates pneumonia, major adverse kidney events outcomes would be exacerbated. We sought to assess the frequency of major adverse kidney events after a hospitalization for either pneumonia, acute kidney injury, or the combination of both...
April 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28277829/etelcalcetide-for-the-treatment-of-secondary-hyperparathyroidism
#8
Naoto Hamano, Hirotaka Komaba, Masafumi Fukagawa
Calcium sensing receptor is an important target for the treatment of secondary hyperparathyroidism (SHPT). Etelcalcetide hydrochloride is a novel peptide calcimimetic agent that has a similar mechanism of action as cinacalcet hydrochloride. Clinical trials of etelcalcetide have been performed in the US, Europe, and Japan, and these trials demonstrated the safety and efficacy of etelcalcetide in dialysis patients. Etelcalcetide has recently been approved in Europe, the US and Japan. Areas covered: We review the development, pharmacokinetics, and clinical efficacy and safety of etelcalcetide for the treatment of SHPT in hemodialysis patients...
March 4, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28262267/frequency-of-early-predialysis-nephrology-care-and%C3%A2-postdialysis%C3%A2-cardiovascular-events
#9
Ju-Yeh Yang, Jenq-Wen Huang, Likwang Chen, Yun-Yi Chen, Mei-Fen Pai, Kuei-Ting Tung, Yu-Sen Peng, Kuan-Yu Hung
BACKGROUND: Patients with kidney failure are at a high risk for cardiovascular events. Predialysis nephrology care has been reported to improve postdialysis survival, but its effects on postdialysis major adverse cardiovascular events (MACEs) have not been comprehensively studied. STUDY DESIGN: Observational cohort study. SETTING & PARTICIPANTS: We used data from the National Health Insurance Research Database in Taiwan. Adult patients who initiated maintenance dialysis therapy in 1999 to 2010 were enrolled...
March 2, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28259478/comparison-of-equations-of-resting-and-total-energy-expenditure-in-peritoneal-dialysis-patients-using-body-composition-measurements-determined-by-multi-frequency-bioimpedance
#10
Sally El-Kateb, Sivakumar Sridharan, Ken Farrington, Stanley Fan, Andrew Davenport
BACKGROUND & AIMS: Waste products of metabolism accumulate in patients with kidney failure and it has been proposed that the amount of dialysis treatment patients require be adjusted for energy expenditure. This requires validation of methods to estimate energy expenditure in dialysis patients. METHODS: We compared values of resting energy expenditure (REE) estimated in peritoneal dialysis (PD) patients using a selection of available equations with estimates derived using a novel equation recently validated in chronic kidney disease patients (CKD equation)...
February 17, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28252815/analysis-of-the-german-drg-data-for-livedoid-vasculopathy-and-calciphylaxis
#11
R Renner, J Dissemond, T Goerge, N Hoff, K Kröger, C Erfurt-Berge
BACKGROUND: Livedoid vasculopathy and calciphylaxis are rare skin disorders. Large cohorts of patients have been missing so far for detailed analysis. PATIENTS AND METHODS: Data from Diagnosis Related Groups (DRG) of hospitalized cases of livedoid vasculopathy (ntotal =1357) and calciphylaxis (ntotal = 699) were analysed for the years 2008-2013 concerning sex, age and frequency of diagnosis. To avoid deviations to non-relevant secondary diagnosis and due to changes in ICD-10 indices, we selected the two most recent available years 2013 and 2014 for evaluation of the accompanying diagnoses for both, livedoid vasculopathy (n=519) and calciphylaxis (n=324)...
March 2, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28243964/associations-of-parathyroid-hormone-levels-and-mineral-parameters-with-heart-rate-variability-in-patients-with-end-stage-renal-disease
#12
Lei Zhang, Shaoyan Yang, Jianling Chen, Jinling Ma, Yueqin Ren
PURPOSE: Parathormone (PTH) is a very potent uraemic toxin, which affects calcium/phosphate homeostasis in patients with end-stage renal disease (ESRD). It also plays the role in uraemic autonomic neuropathy. The aim of the study was to investigate the relationship between elevated PTH levels and cardiac autonomic neuropathy assessed by frequency-domain measures of heart rate variability. METHODS: 24-h ECG was performed in 106 ESRD patients and 65 healthy controls...
February 27, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28229924/outcomes-in-adults-and-children-with-end-stage-kidney-disease-requiring-dialysis-in-sub-saharan-africa-a-systematic-review
#13
Gloria Ashuntantang, Charlotte Osafo, Wasiu A Olowu, Fatiu Arogundade, Abdou Niang, John Porter, Saraladevi Naicker, Valerie A Luyckx
BACKGROUND: The burden of end-stage kidney disease (ESKD) in sub-Saharan Africa is unknown but is probably high. Access to dialysis for ESKD is limited by insufficient infrastructure and catastrophic out-of-pocket costs. Most patients remain undiagnosed, untreated, and die. We did a systematic literature review to assess outcomes of patients who reach dialysis and the quality of dialysis received. METHODS: We searched PubMed, African Journals Online, WHO Global Health Library, and Web of Science for articles in English or French from sub-Saharan Africa reporting dialysis outcomes in patients with ESKD published between Jan 1, 1990, and Dec 22, 2015...
April 2017: Lancet Global Health
https://www.readbyqxmd.com/read/28222614/identification-of-the-appropriate-fixation-site-to-avoid-peritoneal-catheter-migration-based-on-a-mechanical-analysis
#14
Yujuan Wang, Yao Zou, Xinghua Chen, Jili Zhu, Cuizhi Xiang, Houjun Jia, Guohua Ding, Huiming Wang
AIM: To conduct mechanical analysis on the relationship between abdominal wall fixation point and the displacement of catheter top, and establish the finite element model for the complex forces and conditions that the catheter wears in human abdominal cavity, in order to provide the scientific basis for optimizing the catheter position in abdominal wall fixation method. METHODS: Using the PIPE59 finite elements to divide units, and taking the lower part of catheter, that is, below interior polyester cuff to simulate and compute the displacement formula...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28218365/a-comparison-of-efficacy-of-endovascular-versus-surgical-repair-for-the-treatment-of-arteriovenous-fistula-stenosis-in-taiwan
#15
Szu-Shan Fan, Chien-Wen Chen, Kuo-Cheng Lu, Hung-Chung Mao, Miao-Pei Chen, Chu-Lin Chou
BACKGROUND: Percutaneous transluminal angioplasty (PTA) and fistula reconstruction surgery are therapeutic options for vascular access occlusion in hemodialysis patients. However, owing to its convenience, PTA has gradually become the preferred therapeutic option for fistula stenosis or occlusion. This study investigated the effects of the two therapeutic methods on the vascular access maintenance duration (number of days) and maintenance costs of fistula in dialysis patients from different dialysis units...
February 15, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28218361/arteriovenous-fistula-maturation-in-patients-with-permanent-access-created-prior-to-or-after-hemodialysis-initiation
#16
Juan C Duque, Laisel Martinez, Marwan Tabbara, Denise Dvorquez, Sushil K Mehandru, Arif Asif, Roberto I Vazquez-Padron, Loay H Salman
INTRODUCTION: Multiple factors and comorbidities have been implicated in the ability of arteriovenous fistulas (AVF) to mature, including vessel anatomy, advanced age, and the presence of coronary artery disease or peripheral vascular disease. However, little is known about the role of uremia on AVF primary failure. In this study, we attempt to evaluate the effect of uremia on AVF maturation by comparing AVF outcomes between pre-dialysis chronic kidney disease (CKD) stage five patients and those who had their AVF created after hemodialysis (HD) initiation...
February 15, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28216442/a-seven-day-course-of-trimethoprim-sulfamethoxazole-may-be-as-effective-as-a-seven-day-course-of-ciprofloxacin-for-the-treatment-of-pyelonephritis
#17
Miriam T Fox, Michael T Melia, Rebecca G Same, Anna T Conley, Pranita D Tamma
INTRODUCTION: The Infectious Diseases Society of America guidelines recommend either 14 days of trimethoprim-sulfamethoxazole (TMP-SMX) or 7 days of ciprofloxacin for the treatment of pyelonephritis. Antibiotic courses of 7 days of TMP-SMX versus 7 days of ciprofloxacin for pyelonephritis have not been previously compared. We evaluated the odds of a subsequent, symptomatic urinary tract infection (UTI) for women with E. coli pyelonephritis receiving a 7-day course of TMP-SMX versus a 7-day course of ciprofloxacin...
February 16, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28191535/association-of-serum-intact-fibroblast-growth-factor-23-with-left-ventricular-mass-and-different-echocardiographic-findings-in-patients-on-hemodialysis
#18
Amir Ahmad Nassiri, Monir Sadat Hakemi, Reza Safar-Pour, Ali Ahmadi, Maryam Tohidi, Babak Sharif Kashani, Fatemeh Esfehani, Soudabeh Alatab
OBJECTIVES: To determine the association of fibroblast growth factor 23 (FGF23) with left ventricular hypertrophy (LVH) through the assessment of left ventricular (LV) mass and left ventricular mass index (LVMI) in patients on hemodialysis, this study was done. METHODS: All patients on hemodialysis who are older than 18 years and in whom hemodialysis vintage was at least 6 months were enrolled. All patients were on hemodialysis thrice a week for 4 h using low-flux dialysis filters, polysulfone membranes, reverse osmosis purified water, and bicarbonate-base hemodialysis solution...
September 1, 2016: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/28185299/incremental-hemodialysis-a-european-perspective
#19
Kamonwan Tangvoraphonkchai, Andrew Davenport
Most patients initiating hemodialysis have residual renal function (RRF). Whereas RRF is monitored prior to commencing hemodialysis, once dialysis is started most centres simply rely on dialyzer urea clearance to determine adequate uremic toxin clearance and disregard the effect of RRF. However sustaining RRF is important for the dialysis patient, as RRF reduces inter-dialytic weight gains, increases middle molecule and protein bound toxin clearances and is associated with better quality of life assessments...
February 9, 2017: Seminars in Dialysis
https://www.readbyqxmd.com/read/28163506/related-factors-and-predictors-of-cognitive-dysfunction-in-chronic-kidney-disease-on-maintenance-hemodialysis-in-nigeria
#20
Lukman Femi Owolabi, Aliyu Abdu, Aliyu Ibrahim, Desola Shakirah Owolabi, Aisha Nalado, Adamu Bappa, Aminu Abdullahi Taura
BACKGROUND: Previous studies suggest a high frequency of cognitive impairment (CI) in persons with chronic kidney disease (CKD); however, factors associated with CI and predictors of CI in persons with CKD remain largely unclear. The aim of this study was to determine the factors associated with CI and predictors of CI in CKD patients on maintenance hemodialysis. MATERIALS AND METHODS: The first stage of the study included recruitment of 100 apparently healthy participants aimed at determining the reference values...
December 2016: Journal of Neurosciences in Rural Practice
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