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The objective of this study was to determine the feasibility and efficacy of an exercise training program to improve exercise capacity and fatigue level in pediatric patients with end-stage renal disease (ESRD). Twenty children on dialysis intended to perform a 12-week graded community-based exercise program. Exercise capacity and fatigue level were studied; muscle force and health-related quality of life were secondary outcomes. All outcomes were measured at baseline (T = 0) and after intervention (T = 1). Fourteen of the 20 patients (70%) either did not start the program or did not complete the program. Of these patients, seven did not complete or even start the exercise program because of a combination of lack of time and motivational problems. Six patients were not able to continue the program or were unable to do the follow-up measurements because of medical problems. Exercise capacity and muscle strength was higher after the exercise program in the children who completed the training. In conclusion, exercise training is difficult to perform in children with ESRD and is not always feasible in real-life situations for many children with ESRD.
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PMID:Exercise training in pediatric patients with end-stage renal disease. 1883 17

Sleep disturbances manifesting as insomnia, daytime sleepiness, fatigue, and other symptoms are frequently found in patients with end-stage renal disease that is being treated with dialysis. Many factors, including neurosis, uremic symptoms, dialysis drugs, and sleep-wake rhythms have been suggested as potential causes for these sleep disturbances. We examined sleep apnea/hypopnea and heart rate variability (HRV) reflecting autonomic activity in hemodialysis patients on their hemodialysis and non-hemodialysis days using a home medical care device (Morpheus C, TEIJIN). Eleven hemodialysis patients and 14 healthy adults were enrolled in this study. We calculated the number of apnea/hypopnea episodes per hour (apnea/hypopnea index: AHI) and HRV (percentage of R-R intervals that differ by at least 50 ms from the previous interval: pNN50, very low frequency: VLF, low frequency: LF, high frequency: HF and LF/ HF). There was no significant difference in the AHI between hemodialysis and non-hemodialysis days. The heart rate in hemodialysis patients on non-hemodialysis days was significantly higher than in the controls, whereas the pNN50 was significantly lower in hemodialysis patients on non-hemodialysis days than in the controls. Although VLF was significantly lower in hemodialysis patients on non-hemodialysis days compared to the controls, there were no significant differences in LF, HF or LF/HF between the two groups. Hemodialysis itself might not be an important contributing factor in sleep-related breathing disturbances. The simultaneous analysis of HRV reflecting autonomic activity and sleep-disordered breathing on both hemodialysis and non-hemodialysis days provides important information.
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PMID:Comparison of sleep-disordered breathing and heart rate variability between hemodialysis and non-hemodialysis days in hemodialysis patients. 1895 26

The Kidney Disease Outcomes Quality Initiative (K/ DOQI) 2006 recommended a minimum weekly Kt/V of 1.7 for peritoneal dialysis (PD) patients while emphasizing the importance of keeping the patient free of uremic symptoms. We examined a symptom score index [Pittsburgh Symptom Score (PSS)] designed to evaluate uremic symptoms to determine if the score improved in the first year of PD. The PSS is a 10-symptom (fatigue, trouble sleeping, difficulty concentrating, restless legs, change in taste, loss of appetite, nausea or vomiting, pruritus, bone pain, muscle pain or weakness) questionnaire that uses a Likert scale of 0 (none) to 5 (severe). From January 1, 2003, to December 31, 2006, incident PD patients completed the PSS at 0, 3, 6, 9, and 12 months. Patients were excluded from analysis if they had been on PD for less than 6 months or on hemodialysis 6 months or more before starting PD. Prevalences of individual symptoms at 1 year and at baseline were compared using the chi-square test. Differences in PSS at the various time intervals were compared using the sign test. The study included 45 patients [51% women; 31% African Americans; 33% with diabetes; mean age: 58.0 years (range: 30 - 89 years); mean initial Charlson Comorbidity Index: 5 (range: 2 - 11)]. Initial median total score improved to 8 from 12 (p = 0.005) by 3 months, with no further improvement. Improvements occurred in change in taste (p = 0.029 at 3 months), difficulty concentrating (p = 0.04 at 6 months), itching (p = 0.007 at 3 months), loss of appetite (p = 0.009 at 3 months), muscle pain or weakness (p = 0.002 at 3 months), sleep disturbance (p = 0.04 at 9 months), and restless legs (p = 0.026 at 9 months). Fatigue, bone pain, and nausea or vomiting scores were low at the start and did not significantly change over the first year. Significant decreases in symptom prevalence were seen in difficulty concentrating (p = 0.03), change in taste (p = 0.005), loss of appetite (p = 0.04), and muscle pain or weakness (p = 0.02) at 1 year. Initiation of PD results in improvement in the prevalence and severity of most uremic symptoms by 3 to 9 months and is maintained at 12 months. We recommend routine checklist evaluation of symptoms at regular clinical intervals.
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PMID:Improvement in Pittsburgh Symptom Score index after initiation of peritoneal dialysis. 1898

Palliative care for end-stage renal disease (ESRD) is developing in Hong Kong. This is the first local study to explore the symptom burden and quality of life (QOL) of ESRD patients on chronic dialysis and palliative care. This was a prospective cross-sectional study conducted on ESRD patients in a hospital in Hong Kong from January 2006 to April 2007. Data collected included demographics, socioeconomic status, modified Charlson Comorbidity Index (CCI), prevalence and intensity of 23 ESRD-related symptoms as rated by numerical rating scale (0-10), Brief Pain Inventory and QOL by MOS SF-36. A total of 179 ESRD patients completed the study; 45 patients (25.1%) were in the palliative care group and 134 patients (74.9%) in the dialysis group. The palliative care group were older (73.1 +/- 7.1 vs 58.2 +/- 11.4 years, P < 0.001), had marginally higher modified CCI (8.5 +/- 1.9 vs 6.1 +/- 2.4, P = 0.05), had more diabetics (62.2 vs 35.8%, P < 0.001) and were of poorer socioeconomic status than the dialysis group. The mean number of symptoms was 8.2 +/- 3.9 and 9.3 +/- 4.7 in the palliative care and the dialysis group, respectively (P = NS). Fatigue, cold aversion, pruritus, lower torso weakness and difficulty sleeping were the five most prevalent symptoms in both groups, and were also among the most intense symptoms. QOL was significantly impaired in both groups. Scores of all QOL domains correlated negatively with the number of symptoms (P < 0.001). Our ESRD patients under palliative care and dialysis had overlapping symptom prevalence and intensity, significant symptom burden and impaired QOL.
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PMID:Symptom burden and quality of life in end-stage renal disease: a study of 179 patients on dialysis and palliative care. 1915 31

Patients with renal disease are at increased risk of acquiring hepatitis C virus (HCV) infection because of their frequent exposure to blood from transfusions or exposure to HCV-contaminated medical equipment during hemodialysis. The prevalence of anti-HCV antibodies among hemodialysis patients varies between 5-10% in the developed world, and 10-70% in developing countries. Acute hepatitis C is often mild and associated with few, if any symptoms. The major complication of acute HCV infection is chronic hepatitis, which occurs in up to 80% of the cases, the long-term outcome being cirrhosis, portal hypertension, hepatic failure, and hepatocellular carcinoma. Interferon alpha (IFN-alpha) has shown activity against HCV. Twenty four to 48 week course of therapy with interferon could lead to a sustained loss of HCV RNA, normalization of alanine aminotrasferase (ALT) levels, and resolution of the liver disease. Sustained viral response was achieved in approximately half of the treated patients. Therapy with interferon was associated with a number of adverse events such as: "flu-like" symptoms, neurological, gastrointestinal symptoms, anemia, fatigue, thrombocytopenia, leucopenia. A major advance in therapy came with the addition of ribavirin to interferon therapy. Peginterferon-alpha-2a (40KD) is a new 'pegylated' subcutaneous formulation of interferon-alpha-2a, that was developed to improve the pharmacokinetic profile and therapeutic efficacy of interferon-alpha-2a. In our study, fourteen hemodialysis patients with chronic hepatitis C received 135 microg PEG-IFN alpha-2a subcutaneously, once a week, after dialysis session for a period of 48 weeks. In the intention-to-treat analysis, sustained viral response was present in 36% of the patients (five out of fourteen patients) at the end of the follow up period. The biochemical response with normalization of serum ALT levels during the treatment was observed in all treated patients (83 +/- 20.1 U/L at base line vs. 23.4 +/- 4.6 U/L after the 48 weeks; p < 0.01). At present, therapy for hepatitis C should be considered in hemodialysis patients with significant liver disease, minimal other co morbidities, and a reasonable likelihood of prolonged survival or if renal transplantation is planned.
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PMID:New approaches in the therapy of hepatitis C in dialysis patients. 1925 44

Patients receiving regular hemodialysis sessions have been known to suffer from fatigue and depression. This experiment was designed to determine the effects of far infrared ray (FIR) stimulation on acupoints of patients suffering from renal failure who are receiving regular hemodialysis. Patients receiving long-term and regular hemodialysis who volunteered for this procedure were randomly selected to undergo either FIR or heat pad (HP) therapy to determine the impact of FIR treatment on these patients. Both the activities of the autonomic nervous system and changes in quality of life were measured before and after treatment to determine the effectiveness of the FIR treatment. Results from this study show that FIR therapy decreases both stress and fatigue levels of these patients. It also stimulates autonomic nervous system (ANS) activity in patients who are diagnosed with end-stage renal disease (ESRD) and are receiving regular hemodialysis (HD). Therefore, benefits of FIR stimulation on these patients are clearly demonstrated in this preliminary study.
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PMID:Effects of far infrared acupoint stimulation on autonomic activity and quality of life in hemodialysis patients. 1988 60

A 38-year-old male with impaired renal function and serious anemia was admitted to our hospital. He had suffered from a disorder of urination since early childhood and been diagnosed as having neurogenic bladder by an urologist when he was 20 years old. Since February 2007, general fatigue emerged and gradually worsened. In addition, he began to feel nauseous around February 2008. He visited a family doctor and was diagnosed with renal failure and anemia both of which were serious. H e was referred t o our office and admitted immediately because his blood test showed a serum creatinine level of 4.4 mg/dL and hemoglobin of 3.1 g/dL. The initial study with ultrasonograhy suggested that both kidneys contained multiple cysts for the most part, likely due to hereditary polycystic kidney disease. However, a subsequent series of diagnostic imaging tests, including computed tomography and magnetic resonance urography, determined that the cause of renal failure was most likely reflux nephropathy due to secondary vesicouretral reflux induced by the chronic neurogenic bladder. Moreover, the upper gastrointestinal endoscopic examination showed that the cause of anemia was probably the persistent bleeding from gastric antral vascular ectasia. Reflux nephropathy emerges in early childhood and slowly progresses to chronic renal failure in some cases. According to the literature, it is not rare as a cause of end-stage kidney failure even among adult populations. Diagnostic imaging of severe reflux nephropathy is apparently similar to that of polycystic kidney disease. We herein present an adult male with chronic renal failure due to reflux nephropathy, the images of which were similar to polycystic kidney disease.
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PMID:[Adult male with chronic renal failure due to reflux nephropathy that was possibly induced by neurogenic bladder since childhood]. 1999 89

The study included 20 patients aged 61-86 (mean 73.1 +/- 3.1) years with stage II hypertensive disease, type 2 diabetes and nephropathy with signs of grade I chronic renal insufficiency (CRI). The major parameters measured were AP, HR, laboratory characteristics of carbohydrate metabolism and renal function. Prestarium given at a dose of 4 mg BID had not only antihypertensive but also negative chronotropic effect, decreased energy consumption by myocardium, and normalized daily AP profile (24 hr AP monitoring). Adequate control of diabetes ensured close-to-normal carbohydrate metabolism. Prestarium therapy did not cause further aggravation of renal insufficiency in patients with grade I CRI, nor did it alter creatinine and urea levels.
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PMID:[Use of prestarium (perindopril) in patients with polymorbidity syndrome (AH, DM, nephropathy)]. 2001 55

Patients with advanced chronic kidney disease (CKD), especially those on long-term dialysis, often suffer from muscle wasting and excessive fatigue. It is known that inactivity, muscle wasting and reduced physical functioning are associated with increased mortality in CKD. Known causes include uraemic myopathy and neuropathy, inactivity, and anaemia. Exercise in patients receiving regular dialysis treatment for end-stage renal disease was first introduced 3 decades ago, but is still only offered in a minority of renal units around the world, despite a significant body of evidence to support its use. Work is needed to increase awareness of the potential benefits of increased physical activity for patients with advanced CKD. This review summarizes the mechanisms of exercise intolerance and debility in advanced CKD patients, the methods used for the estimation of functional capacity, the options currently available for exercise training, and their influence on the well-being of this group of patients.
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PMID:Physical exercise in patients with severe kidney disease. 2017 44

The health-related quality of life (HRQOL) claims in the current Epoetin alfa label are based on the reanalyses of the exercise and physical function data from the Canadian Erythropoietin Study Group trial. The reanalysis was done to comply with the Food and Drug Administration's requirement of using statistical methods that are currently standard in evaluating clinical trial data. Presented here are HRQOL results associated with anemia. The Canadian Erythropoietin Study Group trial was a multicenter, double blind, randomized, placebo-controlled trial evaluating the effects of Epoetin alfa on HRQOL in anemic hemodialysis patients. A total of 118 patients who were 18-75 years old, on hemodialysis for >3 months, who had a hemoglobin <9.0 g/dL, and did not have coronary artery disease or diabetes mellitus, were randomized to either receive placebo (n=40), or receive intravenous Epoetin alfa to achieve a target hemoglobin of 9.5-11.0 g/dL (n=40) or a target of 11.5-13.0 g/dL (n=38). Patients were followed for 6 months. The two Epoetin alfa-treatment groups were combined for all analyses performed. This post hoc analysis was conducted using an intent-to-treat repeated measures mixed model analysis of variance using Bonferroni's multiplicity correction. The Epoetin alfa-treated group showed a statistically significant improvement in the Kidney Disease Questionnaire symptom of fatigue in comparison with placebo. Additionally, the change in hemoglobin at 2 months was correlated with change in fatigue, energy, shortness of breath, and weakness, but had minimal effect on depression. These analyses confirm previously reported results, which indicate that treating hemodialysis patients with an erythropoiesis-stimulating agent improves HRQOL.
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PMID:Dialysis patients treated with Epoetin alfa show improved anemia symptoms: A new analysis of the Canadian Erythropoietin Study Group trial. 2034 90


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