Search Results
Results 351 - 400 of 714
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Diop M E - - 2000
AIMS: Patients with chronic renal failure treated by hemodialysis develop lipoprotein abnormalities that may contribute to their increased risk ofatherosclerosis. This study shows lipid parameter follow-up procedure according to the type of dialysis membrane in an unselected population of 33 hemodialysis patients. PATIENTS AND METHODS: The study included 33 patients ...
Wixon C L - - 2000
The recently published guidelines of the National Kidney Foundation-Dialysis Outcome Quality Initiative have focused on improving patient outcomes and survival by providing recommendations for optimal clinical practice. These guidelines firmly endorse the establishment of autogenous hemodialysis access and recommend a 40% to 50% prevalence of autogenous fistulas among all hemodialysis ...
Cohen D L - - 2000
Salicylate intoxication is frequently overlooked as a cause of noncardiogenic pulmonary edema and altered mental status in adult patients. We describe a 42-year-old woman who presented with two episodes of recurrent noncardiogenic pulmonary edema requiring intubation. The first admission to hospital triggered an extensive initial workup that did not indicate ...
Stolz A - - 2000
Acute abdominal pain in chronic hemodialysis patients has well-known causes, including acute pancreatitis, mesenteric arterial insufficiency, or complicated duodenal ulcer. Others, such as hemoperitoneum, are far less common. Although hemoperitoneum occurs in patients receiving peritoneal dialysis, dialysis is seldom if ever the direct cause of the bleeding. Hemoperitoneum is often ...
Taskapan H - - 2000
AIM: In patients on regular hemodialysis, the incidence of tuberculosis is high. MATERIAL: We present 18 (6.08%) tuberculosis patients among 296 patients on regular hemodialysis between 1980 and 1996. RESULTS: Pulmonary tuberculosis was seen in 11 (61%) patients, 7 (38%) of whom presented with pleural effusion. Tuberculosis was extrapulmonary in ...
Franz M - - 2000
BACKGROUND: Fragments derived from the prohormone of alpha-human atrial natriuretic peptide (alpha-ANP) in patients with cardiac failure are more closely related to the disease state than intact alpha-ANP. METHODS: Specific immunoassays have been developed to detect proANP 1-30, proANP 31-67, and proANP 1-98. Plasma concentrations of these fragments were determined ...
Hojs R - - 2000
Background. Vascular access remains the Achilles's heel of successful hemodialysis and thrombosis is the leading cause of vascular access failure. Elevated lipoprotein(a) (Lp(a)) levels in hemodialysis patients were reported, and in some studies were also associated with hemodialysis vascular access thrombosis. Patients and methods. In our study 84 hemodialysis patients ...
van Der Sande F M - - 2000
In hemodialysis patients, structural changes at all levels of the cardiovascular system are common. The presence of these cardiovascular changes is a risk factor for the development of intradialytic hypotension. This explains the clinical observation that the incidence of symptomatic hypotension is high in elderly hemodialysis patients, who often have ...
Sevinc A - - 2000
OBJECTIVE: Serum CA-125, an ovarian tumor marker, is used especially in the follow-up of ovarian cancer for monitoring the efficacy of therapy and for early detection of recurrence. A number of benign gynecologic as well as benign and malignant nongynecologic conditions are associated with elevated serum CA-125 levels. Malignant and ...
Takahashi T - - 2000
To compare the interleukin-6 (IL-6) gene expression in the peripheral blood mononuclear cells (PBMCs) and plasma IL-6 levels in patients undergoing continuous ambulatory peritoneal dialysis (CAPD) with those in patients undergoing hemodialysis. Eleven hemodialysis patients, 10 CAPD patients, 15 non-dialyzed patients with end-stage kidney disease (ESKD), and 7 healthy controls ...
Tayeb J S - - 2000
Hypoalbuminemia in end-stage renal disease is a marker of high morbidity and mortality. In some patients, the cause of low serum albumin levels is easily identified and therefore treatable, but in many patients, the cause is not clear. We studied the effect of changing the dialysis membrane from a bioincompatible ...
Chen Y C - - 2000
OBJECTIVE: Body composition assessment is an important method of evaluating nutritional and metabolic status in hemodialysis patients. PATIENTS AND METHODS: To assess the body composition of hemodialysis patients, we used dual-energy X ray absorptiometry to test 40 stable chronic hemodialysis patients and 40 normal subjects. The patients were from 38 ...
Yamada H - - 2000
BACKGROUND: The superoxide anion and other oxygen radicals have been implicated in the progression of chronic renal failure, and are removed by extracellular superoxide dismutase (EC-SOD) in the extracellular space on the surface of the endothelium. A single-base substitution of the EC-SOD gene which reduces the binding capability to endothelial ...
Nakamura H - - 2000
Acute aluminum intoxication is uncommon in clinical practice but can be fatal. This limited experience is reflected in the paucity of data assessing a viable approach to the treatment of these patients. In this report, the authors describe the clinical course and successful, pharmacokinetic-based deferoxamine-hemodialysis treatment regimen of a patient ...
Guerin C - - 2000
We performed a prospective study in the 28 multidisciplinary intensive care units (ICUs) in the Rhône-Alpes area in France to investigate the role of initial versus delayed occurrence of acute renal failure (ARF) in patient outcome. ARF was defined as a serum creatinine concentration > 300 micromol/L, urine output < ...
Mamianetti A - - 2000
BACKGROUND: Chronic renal failure (CRF) patients usually suffer from pruritus. The pathophysiology of pruritus is still incompletely understood. SUBJECTS, MATERIALS AND METHODS: In this paper we determined serum total bile acids (STBA) in hemodialysis patients with advanced CRF (ACRF) in order to obtain STBA concentration in predialysis, to assess their ...
Biswal R - - 2000
For lack of other suitable access, 10 consecutive patients received paired hemodialysis catheters for long-term hemodialysis using a translumbar approach to the inferior vena cava (IVC). All attempts were successful. Five paired catheters were placed using the single-puncture technique, and five using the dual-puncture technique. Catheters were in place for ...
Cupisti A - - 2000
The aim of the present study was to assess the endothelial function of the microcirculation in chronic renal failure. We investigated the responses of the cutaneous blood flow to locally delivered acetylcholine and sodium nitroprusside in uremic patients. The study included 60 chronic uremic patients: 40 patients with a creatinine ...
Meier P - - 2000
BACKGROUND: Much research has been devoted to the determination of acute leukocyte activation as well as acute cytokines production during and after blood hemodialysis membrane interaction. In contrast, few studies deal with chronic immunological evaluation of T-cell activation markers in hemodialysis. METHODS: We evaluated different immune parameters using a modified ...
Boccanfuso J A - - 2000
OBJECTIVE: To examine the effect of megestrol acetate on nutritional parameters in a hemodialysis population. DESIGN: Prospective case studies of hemodialysis patients. SETTING: A freestanding, nonprofit, hemodialysis unit. SUBJECTS: Seventeen patients were studied. They were included regardless of gender, age, or cause of renal disease. They had to be on ...
Wingard J R - - 1999
The records of 239 immunosuppressed patients receiving amphotericin B for suspected or proven aspergillosis were reviewed to determine rates of nephrotoxicity, dialysis, and fatality. The mean and median durations of treatment were 20.4 and 15.0 days, respectively. The creatinine level doubled in 53% of patients and exceeded 2.5 mg/dL in ...
Sangal R B RB Sleep Disorders Institute and Sangal Research Foundation, Troy, MI, - - 1999
To evaluate whether subjective (Epworth Sleepiness Scale or ESS) and objective (Maintenance of Wakefulness Test or MWT) tests of sleepiness are equally useful in patients with narcolepsy. Correlational study evaluating the relationship between ESS and MWT as measures of sleepiness. Multi-center. 522 patients (17-68 year old men and women) with ...
Akash N - - 1999
Factors associated with physical well being were examined in adults with end-stage renal disease (ESRD) in two large hemodialysis units of the Royal Medical Services in Jordan. Utilizing the Karnofski scale we measured the functional status of 200 Patients who had been on maintenance hemodialysis for at least 12 months. ...
Feinfeld D A - - 1999
Because most hemodialysis access fails at the venous side, we studied samples of brachial vein obtained during access creation in 15 patients with end-stage renal disease who gave consent. Veins were examined by computer-assisted histomorphometry, and the results correlated with the patients' clinical data. The mean venous medial width was ...
Murphy S T - - 1999
The target hematocrit to be achieved when treating anemia in hemodialysis patients with erythropoietin is controversial. Current evidence-based recommendations suggest a target hematocrit range of 33% to 36%. Small studies suggest that normalization of hematocrit with erythropoietin may benefit hemodialysis patients in terms of brain function, physical performance, quality of ...
van Guldener C - - 1999
BACKGROUND: Hyperhomocysteinemia has a high prevalence in the end-stage renal disease (ESRD) population, which may contribute to the high cardiovascular risk in these patients. The cause of hyperhomocysteinemia in renal failure is unknown, and therapies have not been able to normalize plasma homocysteine levels. Insight into methionine-homocysteine metabolism in ESRD ...
Silverman K - - 1999
Voucher-based reinforcement of cocaine abstinence has been one of the most effective means of treating cocaine abuse in methadone patients, but it has not been effective in all patients. This study was designed to determine if we could promote cocaine abstinence in a population of treatment-resistant cocaine abusing methadone patients ...
Kho H S - - 1999
OBJECTIVE: The aim of this study was to investigate oral manifestations and salivary changes in patients with end-stage renal disease undergoing hemodialysis. STUDY DESIGN: Eighty-two patients undergoing hemodialysis for renal insufficiency were examined; 22 of these patients were randomly selected for salivary tests. Unstimulated whole saliva and stimulated parotid saliva ...
Deligiannis A - - 1999
Dysfunction of the cardiac autonomic nervous system is a known complication of end-stage renal disease. The objective of the study was to mainly investigate the effects of physical training on 24-hour vagal cardiac activity in dialysis patients. Sixty chronic uremic patients (mean age 48 +/- 12 years) on maintenance hemodialysis ...
Mortelmans A K - - 1999
Malnutrition is a frequent problem of patients on intermittent hemodialysis and is associated with increased morbidity and mortality. Intradialytic parenteral nutrition (IDPN), i.e. intravenous supplementation of mixtures of glucose, amino acids and/or lipids during the hemodialysis session, is one of the therapeutic measures that are applied to correct this malnutrition. ...
Berns J S - - 1999
BACKGROUND: Hypertension is a recognized complication of partial correction of anemia with recombinant human erythropoietin (epoetin) in hemodialysis patients. We used interdialytic ambulatory blood pressure (ABP) monitoring to study the effects of partially corrected anemia versus normal hematocrit (hct) on BP in hemodialysis patients. METHODS: Repeated interdialytic ABP monitoring was ...
Sacchetti A - - 1999
Patients with chronic renal failure (CRF) are at risk for unique medical emergencies, many of which require hemodialysis for their definitive treatment. This study describes the use of emergency department (ED) hemodialysis in the management of CRF patients. A retrospective chart review was conducted of patients who underwent ED hemodialysis ...
Lee Y K - - 1999
Hyperhomocyst(e)inemia is an established risk factor for atherosclerosis. We performed this study to identify the correlating variables and risk factors for atherosclerosis, as measured by the atherosclerotic score (AS), and to determine the relative risk for cardiovascular disease in relation to plasma homocyst(e)ine levels in patients on chronic hemodialysis. We ...
Soejima A - - 1999
BACKGROUND: Persistent hypoalbuminemia is a long-term poor prognostic factor in chronic hemodialysis patients. PATIENTS AND METHODS: We investigated the correlation between the degree of peroxidation of erythrocyte membrane lipids, erythrocyte alpha tocopherol content, erythrocyte glutathione peroxidase activity and serum albumin concentration in twelve patients with uremia not undergoing hemodialysis and ...
House A A - - 1999
Hyperhomocysteinemia is a risk factor for cardiovascular disease in patients on hemodialysis. Causes include genetic enzyme deficiencies, chronic renal failure, and vitamin deficiencies. Homocysteine correlates negatively with folate status. In patients on hemodialysis, supraphysiologic doses of B vitamins and folate reduce homocysteine by 26-33%. No study has examined the effect ...
Newton S E - - 1999
The rehabilitation potential of hemodialysis patients is hampered by the many complications associated with a uremic state and hemodialysis therapy. One complication that is particularly disturbing to male hemodialysis patients is sexual dysfunction, which affects about 50% of them and whose exact cause is unknown. This article reviews the literature ...
Robles N R - - 1999
A sympathetic skin response (SSR) test was performed in diabetic and nondiabetic patients undergoing regular hemodialysis and the results correlated with nerve conduction studies (NCS): sensory conduction velocity (SCV) and motor conduction velocity (MCV). Comparisons were made between diabetic and nondiabetic patients and between cuprophane and polyacrylonitrile membrane dialyzed patients. ...
Hanson J A - - 1999
BACKGROUND/AIMS: The purpose of this study was to investigate the frequency and characteristics of two hemodialysis sessions/week, to identify factors which influence or predict this prescription, and to examine the outcomes of patients receiving hemodialysis two times/week as compared to the more common treatment of three times/week. METHODS: Data from ...
Thalhammer F - - 1998
The pharmacokinetics of ofloxacin were studied in 13 patients with end-stage renal disease during hemodialysis using two different dialyzers: a polysulfone membrane (Fresenius F6) and a cellulose acetate dialyzer (Nissho Nipro FB-150T). All patients received 100 mg ofloxacin orally per day before dialysis. The hemodialysis clearance per square meter surface ...
Ko C W - - 1998
BACKGROUND: Dyspeptic symptoms are common in uremic patients receiving hemodialysis. Investigators have placed emphasis on the changes in histopathology and physiology of the gastrointestinal tract. But not much data about the gastric myoelectric activity are available. The aim of this study was to assess gastric myoelectric activity in uremic patients ...
Spinosa D J - - 1998
BACKGROUND: Hemodialysis grafts and native fistulas are frequently evaluated angiographically utilizing iodinated contrast material to determine the cause of malfunction. Occasionally, patients are not able to receive iodinated contrast material due to a history of previous severe allergic reaction or concern that iodinated contrast material could worsen renal function requiring ...
Nesbit G M - - 1998
BACKGROUND AND PURPOSE: High-flow arteriovenous fistulas (AVFs) are commonly treated by using an endovascular approach with a variety of materials. The use of a Guglielmi electrolytically detachable coil (GDC) provides the ability to reposition or remove the coil if its position is not optimal and may minimize the risk of ...
Karzai W - - 1998
OBJECTIVES: Cardiopulmonary bypass (CPB) can be successfully performed in patients on hemodialysis. However, ischemic complications occur more often in these patients. This could partly be because of shunting through the arteriovenous (AV) fistula during CPB, resulting in reduced peripheral flow and oxygen (O2) delivery. Inadequate oxygen delivery during CPB should ...
Traeger J - - 1998
The aim of this study was to compare clinical and biological results in 4 standard hemodialyzed patients originally treated by three 4-5 h sessions per week and converted within one year to daily hemodialysis sessions of 2-2.5 h each 6 times per week. The modalities and the total weekly dialysis ...
Bouchouareb D - - 1998
We evaluated the importance of vascular access in hemodialysis patients using noninvasive methods with the Transonic Systems monitor in 108 patients. Most of these patients (84%) had native vein fistulas. We found that a blood flow rate of below 500 ml/min suggested the occurrence of vascular stenosis and justified confirmation ...
- - 1998
From May 13 through May 23, 1998, a total of 30 patients in three states developed hemolysis with or without chest pains, shortness of breath, nausea, or abdominal pain while undergoing hemodialysis (HD). Two patients died. This report summarizes the preliminary findings of investigations in Nebraska and Maryland and implicated ...
Ko C W - - 1998
Upper gastrointestinal discomforts are common in uremic patients. Investigators have stressed the structural, histopathological, and physiological changes in the gastrointestinal tract in the past decades. Few data are available about the electrophysiological changes in the stomach of uremic patients. It is not known whether hemodialysis alters gastric myoelectrical activity. More ...
Jimenez R E - - 1998
Dialysis-associated beta2-microglobulin (beta2m) amyloidosis affects predominantly musculoskeletal tissue, but visceral involvement also occurs. To evaluate the clinical significance and prevalence of gastrointestinal beta2m amyloidosis, we studied hemodialysis patients admitted for gastrointestinal-related complaints. Hemodialysis patients (excluding those with non-beta2m amyloidosis) who were admitted with gastrointestinal complaints from 1984 to 1994 were ...
Bret M - - 1998
The characteristics of acetate-free biofiltration (AFB) are now well documented in patients with chronic renal failure: hemodynamic tolerance, correction of acid-base imbalance, buffer-free dialysate (without acetate) and absence of backfiltration. This hemodialysis technique can be beneficial to patients with acute renal failure (ARF). In our intensive care unit, we prospectively ...
Pierratos A - - 1998
There is evidence that high frequency, as well as long duration, hemodialysis provides better clinical outcomes. We developed nocturnal hemodialysis, a new innovative form of renal replacement therapy, which is performed six to seven nights per week for 8 to 10 h during sleep at home. Blood flow was set ...
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