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Proteomic analysis of hemodialysis tube binding proteinsHo, Ya-wen 20 January 2010 (has links)
Hemodialysis is widely used for kidney failure patients, it is well known that oxidative stress is induced during hemodialysis process. To figure out what kind of proteins may adhere to the hemodialysis tube, and were those proteins oxidized during dialysis process. In this study, proteins adhere to hemodialysis membrane are eluted and examined by protein two-dimensional gel electrophoresis and MALDI-TOF technique. The two-dimensional gel electrophoresis results demonstrate 153 proteins binding to hemodialysis tube including Vsm-Rho GEF, Fibroblast growth factor 23, Prothrombin, Glomulin and Nucleobindin-1. The oxidation detection shows that some tube binding proteins are oxidized including MAP4K3 protein and Sulfiredoxin-1, and the oxidation level of hemodialysis tube binding proteins are higher then serum proteins. In conclusion, we find out 20 novel proteins which bind to hemodialysis tube and 5 novel proteins which oxidized during hemodialysis. And protein oxidation level was related to inflammation where high CRP levels were detected.
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Uremic PruritusKfoury, Lara W., Jurdi, Makram A. 01 September 2012 (has links)
Uremic pruritus remains one of the most frustrating and potentially disabling symptoms in patients with endstage renal disease. It affects up to 90% of patients on dialysis. Several hypotheses have been postulated for the possible underlying etiology, but none is conclusive. Aside from kidney transplantation, which is the only definitive treatment, therapeutic approaches have largely been empirical, and no firm evidence-based treatments are available. The main goal of therapy remains to minimize the severity of pruritus and improve the quality of life especially among those who are not transplantation candidates or are waiting for surgery.
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Spironolactone to treat hypertension in end-stage renal disease : analysis of effectiveness and safetySmith, Amber Lanae 30 January 2014 (has links)
Purpose: Cardiovascular events and complications are the major causes of death in patients with end-stage renal disease (ESRD)¹⁻³. Antihypertensive agents that block the renin-angiotensin-aldosterone system (RAAS) are considered first-line therapy in patients with ESRD as these patients have a propensity for RAAS overactivation⁴⁻⁷. Studies show that aldosterone receptor blockade reduces BP in patients with chronic kidney disease (CKD) and helps prevent negative outcomes from continued renal cellular damage⁸⁻¹⁰. Spironolactone, an aldosterone antagonist, has the potential to provoke hyperkalemia. Consequently, current guidelines do not recommend spironolactone to manage hypertension in ESRD because of this risk⁶⁻⁷. Our primary objectives were to determine the change in BP and serum potassium levels following spironolactone use. Methods: This study was a retrospective, pre-post cohort study in ESRD patients with difficult-to-control BP receiving HD. Patients prescribed spironolactone (25 mg to 50 mg) between January 2009 and January 2013 were identified using an e-prescribing record from three HD clinics in San Antonio, TX. Patients were included if they were prescribed spironolactone as 'add-on' therapy to control BP for at least 8 weeks. Results: Seventy patients were evaluated and the majority of them were overweight, diabetic, Hispanic females with a mean 65 years of age. Mean SBP and DBP decreased from baseline to week 8 [-20.74 mmHg (p < 0.0001) and -9.7 mmHg (p < 0.0426), respectively]. Mean serum potassium levels increased by an average of 0.18 mEq/L (4.5 mEq/L to 4.68 mEq/L, p = 0.09). Data analysis revealed that only 9 of 70 patients had a serum potassium level > 5.5 mEq/L at week 8. There were no adverse cardiac events reported as a result of these potassium concentrations. A two-fold decrease in SBP was seen in patients with a body mass index (BMI) > 25 kg/m² compared to patients with a BMI of ≤ 25 kg/m². At the end of the study, 23 patients (33%) achieved the goal BP for healthy adults of < 140/90 mmHg. Conclusion: These findings demonstrated that using spironolactone use in ESRD patients receiving HD can be effective and safe. / text
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The Experience of the Older Adult With End-Stage Renal Disease on HemodialysisCORRIGAN, REBECCA 15 September 2011 (has links)
Background: The growth in the number of individuals with end-stage renal disease has implications in terms of both the health of individuals, especially older adults (aged 65 years and older), and the capacity of the health care system to provide adequate treatment needed by these patients. Much has been written regarding the pathophysiology of end-stage renal disease as well as how modern advances in technology have contributed to the ‘dialysis world’. However, the literature is sparse in relation to how older adults experience end-stage renal disease and the technological complexity of dialysis in their daily lives.
Objective: The purpose of this study was to explore the meaning of being hemodialysis-dependent for the older adult living with end-stage renal disease.
Method: A descriptive method using a qualitative interviewing approach was used. Systematic focused thematic analysis guided by the Crisis of Physical Illness conceptual model allowed for the findings to surface. Data sources included individual interviews, direct observation of participants and the hemodialysis unit, along with field notes. A purposive sample of nine participants was obtained from two different hemodialysis units, both operated by Kingston General Hospital. Data were analyzed using the Colaizzi method.
Findings: Five themes were identified by the participants: The Will to Live, Recognition of a Lifetime Commitment, Learning to Live with Technology, The Yin and Yang of Dialysis, and Transcending Dialysis.
Conclusions: End-stage renal disease and thrice weekly hemodialysis treatment have an impact on the daily life of older adults and their ability to cope with the changes. This study revealed that despite the restrictions of being on hemodialysis, all of the participants had the will to live and some expressed the need for further education using a variety of strategies that would meet the specific needs of this population. A more in-depth understanding of how older adults experience hemodialysis is needed to provide adequate care/resources for this special population. / Thesis (Master, Nursing) -- Queen's University, 2011-09-15 13:02:28.548
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Palliative Care Education in End-stage Renal Disease Patients Undergoing HemodialysisOarde, Kristian, Oarde, Kristian January 2017 (has links)
Background: End-stage renal disease (ESRD) is a chronic medical condition where 90% or more of the kidneys are nonfunctional (Doig & Huether, 2014). The current treatment for ESRD is Hemodialysis [HD] (National Institute of Diabetes and Digestive and Kidney Disease [NIDDK], 2013). Individuals who have ESRD who undergo HD suffer from tremendous symptom and treatment burden that affects various facets of life (Axelsson, Klang, Hagelin, Jacobson, & Gleissman, 2014; Axelsson et al., 2012; Tamura & Cohen, 2010). Unfortunately, the symptom and treatment burden associated with ESRD are underrecognized and undertreated (Feely et al., 2016; Gelfman & Meyer, 2012; Murtagh, Addington-Hall, & Higginson, 2007; Russon & Mooney, 2010; Tamura & Meier, 2013).
Purpose: The purpose of this quality improvement project is to explore if ESRD patients in Davita Desert Dialysis are knowledgeable about palliative care and if providing education might change their behavior. The primary aim is to create awareness in patients about PC services in an effort to improve their quality of care through education.
Design: A quantitative pre- and post survey approach using qualtrics software was utilized to assess the baseline and post-education knowledge of patients who met the inclusion criteria.
Setting: DaVita Desert Dialysis, Sun City, AZ.
Intervention: The educational intervention is the viewing of a three-minute voice over presentation about palliative care.
Limitations: The sample size was small and exposes this study to marked bias and non-generalizability due to the limited number of recruited individuals.
Results: One hundred percent of the individuals in the posttest had better awareness about and knowledge about PC.
Conclusion: PC can improve the quality of life of patients that suffer from the undertreated and underrecognized symptom and treatment burden (Tamura & Meier, 2013). Further data and studies will be needed to establish PC in the field of nephrology as it relates to the ESRD population undergoing HD. However, the quality improvement focus of increasing PC awareness among ESRD patients undergoing HD has shown great promise as all participants had increased awareness, knowledge availability, and readiness for PC services.
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Postdialysis Hypokalemia and All-cause Mortality in Patients Undergoing Maintenance Hemodialysis / 維持血液透析患者における透析後低カリウム血症と全死亡の関連Ohnishi, Tsuyoshi 25 November 2019 (has links)
京都大学 / 0048 / 新制・課程博士 / 博士(社会健康医学) / 甲第22123号 / 社医博第98号 / 新制||社医||10(附属図書館) / 京都大学大学院医学研究科社会健康医学系専攻 / (主査)教授 中山 健夫, 教授 柳田 素子, 教授 長船 健二 / 学位規則第4条第1項該当 / Doctor of Public Health / Kyoto University / DFAM
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Gene Expression Profiling of Fatigue in Individuals with End Stage Renal DiseaseHorvat Davey, Christine Marie 27 August 2019 (has links)
No description available.
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Necrotizing Crescentic Glomerulonephritis Complicating Bivalvular Bacterial EndocarditisHashmi, Arsalan T., Khalid, Muhammad, Waseem, Husnain, Batool, Asiya, Patel, Jignesh, Kamholz, Stephan 23 April 2018 (has links)
In the setting of an increasing incidence of endocarditis in the United States, we report a patient with necrotizing crescentic glomerulonephritis (GN) associated with native valve bacterial endocarditis due to Streptococcus parasanguinis. He was started on appropriate antibiotic treatment and subsequent blood cultures showed no growth. However, due to continuing decline in kidney function, immunosuppressive therapy was started. Despite immunosuppressive therapy and antibiotics, renal function did not improve and chronic hemodialysis was required. Due to rarity of condition, there are no definite treatment guidelines available. Antibiotics, steroids, immunosuppressive agents can be of help in most cases. Further research in this regard may help with early diagnosis and better treatment modalities.
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What is the Lived Experience of the Client with End Stage Renal Disease on HemodialysisDiane, Scaife T. January 2006 (has links)
No description available.
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Raman Chemometrics and Application to Enzyme Kinetics and UrinalysisFisher, Amanda Kaye 06 February 2018 (has links)
Raman spectroscopy records the inelastic scattering of photons originating from striking a sample with monochromatic light. Inelastic, or Raman, scattered photons shift in wavelength due to excitation of the vibrational modes of molecules struck by the incident light. The Raman scattered photons are representative of all of the covalent bonds contained within a sample. Raman spectra taken of biological systems such as proteins, bacterial colonies, and liquid waste, are difficult to interpret due to the complexity of their covalent bond landscape and mixtures of molecules in highly variable concentrations. Rather than deconstructing Raman spectra to attempt assignment of specific bonds and functional groups to wavenumber peaks, here we have developed a chemometric analysis pipeline for quantifying the similarities and differences among a set of Raman spectra. This quantification aids in both classification of samples, and in measuring how samples change over time. The chemometric approach for interpretation of Raman spectra was made freely available in a user-friendly format via a MATLAB add-on called the Raman Data Analysis (RDA) Toolbox. Demonstrations of the RDA Toolbox functionalities on Raman spectra taken of various common biological systems are included, such as determination of protein concentration and monitoring bacterial culture growth. The RDA Toolbox and Raman spectroscopy are also used to initiate research in novel areas. Fast and accurate evaluation of enzyme specific activity is required for engineering enzymes, and results of Raman assays, evaluated in the RDA Toolbox, are successfully correlated to absorbance activity assays of an enzyme WT and mutant library. Further development of this research could alleviate the bottleneck of screening mutant libraries in enzyme engineering projects. The Toolbox is then used in a distinctly different application for evaluating urine and spent dialysate samples from patients with end stage renal disease. Categorization between samples from healthy volunteers and patients is accomplished with close to 100% accuracy, and evidence indicating that Raman spectroscopy can serve as an early diagnostic tool for infections of the peritoneal membrane is presented. / PHD / Raman spectroscopy, unlike other forms of spectroscopy, provides a complete picture of the chemical make-up of a sample. However, Raman spectra of biological samples are very difficult to interpret due to the complex mixture of molecules in living systems. Rather than trying to discern what specific molecules are in a sample, we have developed a method for measuring the similarities and differences among a set of Raman spectra. These measurements help us classify samples and monitor how samples change over time. We made a MATLAB add-on called the Raman Data Analysis (RDA) Toolbox to automate our method for interpreting Raman spectra, and made it available online for anyone to download and use. Raman spectroscopy and the RDA Toolbox are used to measure enzyme reaction speed, and the results compare favorably with a traditional method for measuring enzyme reaction speed. The final part of this dissertation focuses on using Raman spectroscopy and the RDA Toolbox to evaluate the health of patients with end stage renal disease (ESRD) by scanning urine and spent dialysate samples to detect failing kidney function or the onset of infection.
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