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Hemodialysis adequacy

Parvin Soltani, Pardis Ketabi Moghaddam, Farshid Haghverdi, Ali Cheraghi
INTRODUCTION:  C-reactive protein (CRP) is increased among patients on maintenance hemodialysis. Such inflammatory markers can result in protein-energy deficit syndromes and low adequacy of dialysis in these patients. This study evaluated the effect of pentoxifylline on serum CRP level and KT/V in end-stage renal disease patients on maintenance hemodialysis. MATERIAL AND METHODS: This 1-month randomized, double-blind, placebo-controlled clinical trial involving 73 patients with end-stage renal disease on maintenance hemodialysis assessed the effectiveness of 400 mg/d of pentoxifylline on serum CRP level decrease and improvement of dialysis adequacy...
September 2016: Iranian Journal of Kidney Diseases
Carlo Basile, Luigi Vernaglione, Francesco Casucci, Pasquale Libutti, Piero Lisi, Luigi Rossi, Valentina Vigo, Carlo Lomonte
BACKGROUND: Satisfactory vascular access flow (Qa) of an arteriovenous fistula (AVF) is necessary for haemodialysis (HD) adequacy. The aim of the present study was to further our understanding of haemodynamic modifications of the cardiovascular system of HD patients associated with an AVF. The main objective was to calculate using real data in what way an AVF influences the load of the left ventricle (LLV). METHODS: All HD patients treated in our dialysis unit and bearing an AVF were enrolled into the present observational cross-sectional study...
October 2016: Clinical Kidney Journal
Kyung Hee Lee, Jang-Hee Cho, Owen Kwon, Sang-Un Kim, Ryang Hi Kim, Young Wook Cho, Hee-Yeon Jung, Ji-Young Choi, Chan-Duck Kim, Yong-Lim Kim, Sun-Hee Park
BACKGROUND: Prealbumin, a sensitive marker for protein-energy status, is also known as an independent risk factor for mortality in hemodialysis patients. We investigated the impact of prealbumin on survival in incident peritoneal dialysis (PD) patients. METHODS: In total, 136 incident PD patients (mean age, 53.0 ± 15.8 years) between 2002 and 2007 were enrolled in the study. Laboratory data, dialysis adequacy, and nutritional parameters were assessed 3 months after PD initiation...
September 2016: Kidney Research and Clinical Practice
Sivakumar Sridharan, Enric Vilar, Andrew Davenport, Neil Ashman, Michael Almond, Anindya Banerjee, Justin Roberts, Ken Farrington
BACKGROUND: Women and small men treated by hemodialysis (HD) have reduced survival. This may be due to use of total-body water (V) as the normalizing factor for dialysis dosing. In this study, we explored the equivalent dialysis dose that would be delivered using alternative scaling parameters matching the current recommended minimum Kt/V target of 1.2. STUDY DESIGN: Prospective cross-sectional study. SETTING & PARTICIPANTS: 1,500 HD patients on a thrice-weekly schedule, recruited across 5 different centers...
September 20, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
Wen-Hung Huang, Ching-Wei Hsu, Ching-Chih Hu, Tzung-Hai Yen, Cheng-Hao Weng
INTRODUCTION: Predialysis hypotension has been noted to be a predictor of mortality in hemodialysis (HD) patients. Previous studies evaluating the impact of predialysis hypotension on the mortality of HD patients did not exclude patients with diabetes mellitus (DM) or cardiovascular disease. METHODS: Eight hundred and sixty-six patients on maintenance HD were recruited. Clinical parameters were recorded and subjected to the analysis of predictors of predialysis hypotension and mortality...
2016: Therapeutics and Clinical Risk Management
Shubha Ananthakrishnan, Thomas A Depner
Hemodialysis has come a long way since its early days and is a life sustaining therapy for millions of people with end-stage kidney disease throughout the world. Although thrice weekly hemodialysis remains the most common form of renal replacement therapy, other therapies such as more frequent, prolonged dialysis modalities have seen a rise recently. In this review, we compare and contrast methods for measuring the dialysis dose, with a focus on small molecule clearance (Kt/Vurea ) among various dialysis modalities...
September 4, 2016: Seminars in Dialysis
John T Daugirdas
BACKGROUND: The publicly available Solute Solver module allows calculation of a variety of two-pool urea kinetic measures of dialysis adequacy using pre- and postdialysis plasma urea and estimated dialyzer clearance or estimated urea distribution volumes as inputs. However, the existing program does not have a 'what if' module, which would estimate the plasma urea values as well as commonly used measures of hemodialysis adequacy for a patient with a given urea distribution volume and urea nitrogen generation rate dialyzed according to a particular dialysis schedule...
September 1, 2016: Nephrology, Dialysis, Transplantation
John K Leypoldt, Björn K I Meijers
The kinetics of uremic solute clearances are discussed based on two categories of uremic solutes, namely those that are and those that are not derived directly from nutrient intake, particularly dietary protein intake. This review highlights dialysis treatments that are more frequent and longer (high-dose hemodialysis) than conventional thrice weekly therapy. It is proposed that the dialysis dose measures based on urea as a marker uremic solute, such as Kt/V and stdKt/V, be referred to as measures of dialysis inadequacy, not dialysis adequacy...
August 31, 2016: Seminars in Dialysis
Hengameh Barzegar, Mahmoud Moosazadeh, Hedayat Jafari, Ravanbakhsh Esmaeili
PURPOSE: Hemodialysis is the common kidney replacement therapy in Iran. Doing an adequate and effective dialysis can improve patients' quality of life and reduce kidney failure complications. Additionally, dialysis quality is an important factor in reducing mortality in patients with chronic kidney failure. This systematic review has investigated the adequacy of dialysis in studies done on hemodialysis patients of Iran. MATERIALS AND METHODS: All articles related to the dialysis adequacy in hemodialysis patients in English and Farsi (contemporary Persian) were identified by searching the related keywords in various electronic databases...
2016: Urology Journal
Jessica J Geer, Shweta Shah, Eric Williams, Ayse Akcan Arikan, Poyyapakkam Srivaths
BACKGROUND: Intradialytic hypotension and myocardial stunning are proposed as contributing to the pathogenesis of increased cardiovascular disease burden and death in patients receiving maintenance hemodialysis (HD). Noninvasive cardiac output measurements provide a dynamic, real-time assessment of hemodynamic parameters. We investigated intradialytic changes in hemodynamic parameters in pediatric outpatients receiving chronic HD and determined patient and treatment risk factors associated with such intradialytic changes...
August 23, 2016: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
Dirk G Struijk
BACKGROUND: Peritoneal dialysis (PD) for the treatment of end-stage renal failure was introduced in the 1960s. Nowadays it has evolved to an established therapy that is complementary to hemodialysis (HD), representing 11% of all patients treated worldwide with dialysis. Despite good clinical outcomes and similar results in patient survival between PD and HD, the penetration of PD is decreasing in the Western world. SUMMARY: First the major events in the history of the development of PD are described...
December 2015: Kidney Diseases
W Chen, S Laiho, O Vaittinen, L Halonen, F Ortiz, C Forsblom, P-H Groop, M Lehto, M Metsälä
Breath ammonia (NH3) has been proposed as a potential biomarker in monitoring hemodialysis (HD) adequacy, since a strong correlation between blood urea and mouth-exhaled breath NH3 has been observed in patients with end-stage renal disease (ESRD) undergoing HD. However, the biochemical pathways for breath NH3 generation from blood urea have not been demonstrated. In this study, we show a strong correlation (r s  =  0.77, p  <  0.001) between blood and salivary urea, indicating that salivary urea levels reflect blood urea levels...
2016: Journal of Breath Research
Ertugrul Erken, Ruya Ozelsancak, Safak Sahin, Emine Ece Yılmaz, Dilek Torun, Berrin Leblebici, Yunus Emre Kuyucu, Siren Sezer
BACKGROUND: Patients with end-stage renal disease (ESRD) have increased risk of falls and fall-related complications. Other than aging and factors related to chronic kidney disease, treatment of hemodialysis may also contribute to this increased risk. The aim of this study was to demonstrate the impairment of balance after a session of hemodialysis with a quantitative assessment and reveal an increased fall risk that would possibly be related to treatment of hemodialysis for patients on maintenance hemodialysis...
October 2016: International Urology and Nephrology
Anna Mudoni, Francesco Caccetta, Maurizio Caroppo, Fernando Musio, Antonella Accogli, Maria Dolores Zacheo, Maria Domenica Burzo, Maurizio Gallieni, Vitale Nuzzo
A functioning vascular access is a critical requirement to improve the quality of life in hemodialysis patients, so monitoring and surveillance of vascular access play key roles in identifying all dysfunctions and reducing the huge economic cost as well as adequacy of dialysis.In our five-year experience, a study protocol has been used and improved with the help of ultrasonography.Doppler ultrasound is an excellent and sensitive modality for hemodialysis access evaluation, one of techniques employed for arteriovenous fistulae (AVF) study, not only as a preoperative tool, but also in post-operative monitoring of AVF maturation...
July 27, 2016: Journal of Vascular Access
Jin-Bor Chen, Fong-Fu Chou, Cheng-Hong Yang, Moi-Sin Hua
BACKGROUND: We investigated factors associated with all-cause mortality and cardiovascular disease (CVD)-associated mortality after parathyroidectomy (PTX) in patients on maintenance hemodialysis (HD). METHODS: Our study population consisted of 161 consecutive HD patients who underwent PTX before 2009 and 354 consecutive HD patients without PTX as controls from those visiting the Kaohsiung Chang Gung Memorial Hospital, Taiwan between 2009 and 2013. All-cause and CVD mortality with clinical variables were compared in PTX and non-PTX HD patients...
June 14, 2016: American Journal of Surgery
Sahir Kalim, Caitlin A Trottier, Julia B Wenger, Josh Wibecan, Rayhnuma Ahmed, Elizabeth Ankers, S Ananth Karumanchi, Ravi Thadhani, Anders H Berg
BACKGROUND AND OBJECTIVES: Carbamylation describes a post-translational protein modification associated with adverse outcomes in ESRD, but the risk implications of changes in carbamylation over time are not well understood. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: We investigated the 1-year natural history of protein carbamylation in patients initiating maintenance hemodialysis and determined the prognostic value of longitudinal carbamylation changes in relation to mortality...
July 21, 2016: Clinical Journal of the American Society of Nephrology: CJASN
Scott Sibbel, Abigail Hunt, Suzanne Laplante, Werner Beck, Mary Gellens, Steven M Brunelli
Differences in dialyzer design may have consequences for patient outcomes. We evaluated the comparative effectiveness of commonly used dialyzers with respect to measures of dialysis treatment, anemia management, inflammation, and dialyzer clotting. Patients receiving hemodialysis between January 1, 2009, and December 31, 2013, and using polyarylethersulfone-polyvinylpyrrolidone (PAS-PVP; Polyflux Revaclear) or polysulfone (PS; Optiflux 160 or Optiflux 180) dialyzers were followed for 1 year or until end of study or censoring for dialyzer switch, modality change, or loss to follow-up...
September 2016: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
Nitik Bathla, Sohaib Ahmad, Ravi Gupta, Shahbaj Ahmad
Willis-Ekbom's disease/restless legs syndrome (WED/RLS) has been described in subjects undergoing hemodialysis (HD). Different studies have reported varying prevalence rates and different factors associated with this condition; however, the results are inconsistent. Thus, this study was conducted to assess the prevalence of WED/RLS in patients undergoing HD. Another aim of the study was to identify if any comorbidities or biochemical factors were associated with this condition. A total of 194 adult patients undergoing maintenance HD were included in this study...
July 2016: Saudi Journal of Kidney Diseases and Transplantation
Giacomo Bovio, Ciro Esposito, Giovanni Montagna, Silvia Brazzo, Vittoria Esposito, Massimo Torreggiani, Luca Semeraro, Hellas Cena
BACKGROUND/AIMS: It is very important to assess the nutritional intake in patients on dialysis given the high prevalence of poor nutritional status of those in this population. The aim of this study was to assess nutrient intakes in hemodialysis (HD) and peritoneal dialysis (PD) patients. METHODS: A clinical cross-sectional study was conducted over 7 days on 14 dialysis patients (98 days) who were trained to keep a weighed food record and a 7-day food diary. Nutrient intake adequacy was compared with specific guidelines for Italians and dialysis patients...
2016: Nephron
Mohamed Shariful Islam, Zarih Alcheikh Hassan, Florence Chalmin, Sandor Vido, Mohamed Berrada, David Verhelst, Patrick Donnadieu, Olivier Moranne, Vincent L M Esnault
BACKGROUND: Hemodialysis requires effective anticoagulation to avoid blood circuit clotting. In patients at high risk for bleeding, several alternative methods have been developed. STUDY DESIGN: Multicenter, prospective, randomized, crossover study evaluating the noninferiority of vitamin E-coated compared with heparin-coated dialyzers in a 4-hour heparin-free hemodialysis strategy. SETTINGS & PARTICIPANTS: 32 adult long-term hemodialysis patients from 2 French hemodialysis units with well-functioning fistulas or double-lumen catheters...
June 23, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
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