Search Results
Results 401 - 450 of 717
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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 ...
Older R A - - 1998
PURPOSE: To evaluate color Doppler ultrasound (US) in detection of subclinical stenosis of hemodialysis access grafts and fistulas. MATERIALS AND METHODS: Doppler US was performed in 40 consecutive patients with no clinical or laboratory findings of hemodialysis access dysfunction. To assess the presence and percentage of stenosis, the maximum systolic ...
Looareesuwan S - - 1998
Pentoxifylline, an inhibitor of tumor necrosis factor, has been evaluated as an antimalarial agent in combination with artesunate in 45 patients with severe falciparum malaria. Patients were admitted to the intensive care unit at the Hospital for Tropical Diseases in Bangkok, Thailand, and randomly assigned to treatment for 72 hr ...
Bergasa N V - - 1998
The aims of this study were to determine whether long-term oral administration of the opiate antagonist nalmefene is associated with any beneficial effects in patients with pruritus secondary to cholestatic liver disease and to assess the safety of long-term administration of this drug to these patients. Fourteen patients with unrelieved ...
Willging S - - 1998
We investigated and compared serum levels of cardiac troponins I(cTnl) and cardiac troponin T (cTnT) in 85 renal patients (chronic renal impairment n = 23, continuous ambulatory peritoneal dialysis n = 20, hemodialysis n = 42). Patients with the following conditions were excluded: myocardial infarction, angina pectoris, liver disease, malignant ...
- - 1998
During 1996, approximately 236,000 persons received hemodialysis in the United States; of these, an estimated 183,000 (78%) received chronic hemodialysis. Patients who receive chronic hemodialysis are at increased risk for bloodstream infections (BSIs) because of the need for repeated vascular access. Reported BSI rates for hemodialysis patients have ranged from ...
Straver B - - 1998
BACKGROUND: Recurrent intradialytic hypotension still is a major source of discomfort in hemodialysis patients today, its origin being subject to extensive research. Different hypotheses have been raised to unravel this problem, without forming one coherent point of view. The aim of this study was to gain more insight into the ...
Angelis M - - 1997
BACKGROUND: Calciphylaxis is characterized by painful, violaceous, mottled skin lesions (livedo reticularis) that may progress to tissue necrosis, nonhealing ulcers, gangrene, and potentially amputation, sepsis, or death. The prevalence and characteristics of patients who have calciphylaxis need further identification to predict which patients on dialysis may benefit from close monitoring ...
Madore F - - 1997
Nitric oxide (NO) is a powerful vasoactive agent that contributes to the regulation of blood pressure (BP). However, the role of NO in uremic patients and during the course of hemodialysis is still debated. Blood L-arginine concentrations and exhaled NO concentrations were measured in 22 healthy controls and in 22 ...
Chen K S - - 1997
OBJECTIVE: To report the toxic effects of baclofen in patients with severely impaired renal function. DATA SOURCES: From 1991 to 1995, nine patients with severely impaired renal function (2 not receiving dialysis, 1 undergoing continuous ambulatory peritoneal dialysis [CAPD], and 6 receiving maintenance hemodialysis), who exhibited clinical toxicity after baclofen ...
Chen C K - - 1997
Antioxidant enzymes together with trace elements in 26 patients with chronic renal failure treated with hemodialysis and 25 healthy subjects were investigated. Superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GSHPx) in plasma and erythrocytes were examined immediately before and after hemodialysis. The results are summarized as follows: 1. A ...
De Marchi S - - 1997
Among the adverse effects possibly associated with the use of erythropoietin (EPO) in hemodialysis patients is an increased incidence of thrombosis of the vascular access. However, little is known about the effect of EPO on the stenotic lesion in the venous outflow system, which is the leading cause of fistula ...
Woods J D - - 1997
Vascular access failure causes substantial morbidity to hemodialysis patients. We sought to identify factors determining survival of the permanent vascular access in use at the start of end-stage renal disease during 1990 in a national sample of 784 incident hemodialysis patients insured by Medicare. Medicare claims records were used to ...
Franz M - - 1997
The hydration state of a hemodialysis patient reflects the balance between fluid overload, normovolemia and underhydration. Since chronic volume overload enhances the cardiac mortality, and chronic underhydration carries the risk for dialysis-associated hypotension, treatment for the deranged water homeostasis of hemodialysis patients needs to focus on an accurate assessment of ...
Fang J T - - 1997
We report three patients who received maintenance hemodialysis and suffered from extrapulmonary tuberculosis with unusual presentations. The first patient presented with fever of unknown origin. All studies showed negative findings except high erythrocyte sedimentation rate and high value of C-reactive protein. He failed to response to broad-spectrum antibiotics but showed ...
Tarng D C - - 1997
The mechanism of resistance to recombinant human erythropoietin (EPO) in hemodialysis patients with hemoglobinopathy is not yet fully understood. Poor responses to EPO have been reported in anemic dialysis patients with sickle cell disease and thalassemia. We present the first case of a hemodialysis patient with EPO resistance and hemoglobin ...
Box J C - - 1997
Pheochromocytomas are functioning paragangliomas often presenting with paroxysmal hypertension due to catecholamine secretion. The preferential diagnostic workup includes urine and serum catecholamine measurements. Therapeutic management consists of pharmacologic cardiovascular manipulation and volume expansion with subsequent surgical resection. We have encountered a symptomatic pheochromocytoma in a chronic renal insufficiency patient on ...
Lin G - - 1997
We noticed that some patients with arteriovenous (AV) fistula on chronic hemodialysis experience pain in the limb with the fistula a short time after being connected to the dialysis machine. We postulated that the pain is caused by relative ischemia and therefore performed this study to determine whether oxygen saturation ...
Sagripanti A - - 1997
The plasma concentration of prothrombin fragment 1 + 2 (F1 + 2) is considered a very sensitive parameter for specific detection of latent hypercoagulability. To evaluate the degree of hypercoagulation associated with chronic uremia, we measured F1 + 2 by ELISA in the plasma of 51 patients with severe or ...
Cotten A - - 1997
OBJECTIVE: To assess the radiographic features of erosive arthropathy of the hands occurring in patients undergoing hemodialysis, and its relationship with metabolic abnormalities. PATIENTS AND DESIGN: A retrospective study of hand radiographs of 80 patients on maintenance hemodialysis was performed with the aim of detecting erosive arthropathy. RESULTS AND CONCLUSIONS: ...
Niwa T - - 1997
We have recently demonstrated by immunohistochemistry that amyloid beta 2-microglobulin (beta 2m) is modified with advanced glycation end products (AGEs) in dialysis-related amyloidosis (DRA). To further investigate the role of the Maillard reaction in the pathogenesis of DRA, we produced a monoclonal antibody to imidazolone, a novel AGE, and a ...
Yoshikawa K - - 1997
The safety profile of ProHance in special populations was evaluated by analyzing data extracted from the database of phase I-III studies which included data on 2,656 ProHance injections of which 119 in pediatric patients, 814 in elderly patients and 30 in patients with varying degrees of renal impairment (moderate, severe ...
Kluytmans J A - - 1996
OBJECTIVE: To study the efficacy of mupirocin for the elimination of nasal carriage of Staphylococcus aureus in hemodialysis patients. DESIGN: The efficacy of mupirocin was studied in a prospectively followed cohort. The effect of this intervention on the rate of S aureus bacteremia was evaluated using a historic control group. ...
Port F K - - 1996
OBJECTIVE: To discuss potential reasons for reported differences in the results of several recent studies comparing mortality risk among continuous ambulatory peritoneal dialysis (CAPD) and hemodialysis patients, and to assess the role of statistical methods and study design. DATA SOURCES: Recent published reports comparing mortality risk among patients treated with ...
Stojcheva-Taneva O O - - 1996
Autonomic nervous system (ANS) function was evaluated in hemodialysis patients treated with recombinant human erythropoietin (rHu-EPO) before and after therapy, in an effort to evaluate the role of anemia in the genesis of autonomic dysfunction in chronic renal failure (CRF). Studies were conducted using a battery of five cardiovascular reflex ...
Manto M - - 1996
By contrast to the permanent cerebellar sequelae developing over the weeks following a lithium intoxication, the cerebellar dysfunction occurring in the acute phase is poorly documented. In this study, we analysed the fast and accurate wrist flexion movements and the associated electromyographic activities in 6 patients as soon as possible ...
Cavalcanti S - - 1996
The problem of evaluating short-term autonomic response to hypovolemia in patients under chronic hemodialysis treatment is considered. Power spectra of the beat-to-beat heart rate variability were evaluated during the dialysis treatment in twenty hemodynamically stable and unstable patients, using a parametric technique. The autoregressive model coefficients were calculated by the ...
Cemal Ozcan A - - 1996
Sympathetic skin response (SSR) was measured in 20 normal healthy subjects and in 22 patients with chronic renal failure on regular hemodialysis, and its correlation with abnormalities of sensorimotor nerve conduction study and clinical autonomic symptoms was investigated. Nerve conduction studies (NCS) were abnormal in 17 of 22 patients (77.3%), ...
Shoptaw S - - 1996
Seventeen methadone-maintained cigarette smokers received 4 weeks of contingency management (CM) as a stop-smoking intervention. Results indicated that CM patients significantly reduced breath CO levels from baseline to completion of treatment and that 23.4% of patients maintained 1 week or more of continued smoking abstinence. Results indicated a link between ...
Pani P P - - 1996
Patients on methadone maintenance were forewarned that a law prohibiting take-home dosages was to be enforced within 6 months. At the end of the 6-month period preceding the enforcement of the law the effect of the anticipated suppression of the take-home privilege was studied on a cohort of 211 methadone-maintained ...
Horimi H - - 1996
The present study was performed to evaluate the clinical usefulness of an anatomical snuff box arteriovenous fistula with special reference to its short-term and long-term patency in 139 hemodialysis patients. A snuff box fistula was established in 139 patients, including 39 with diabetic nephropathy (DN group) and 100 with non ...
Joseph R - - 1996
Serum albumin levels have been used extensively as an indicator of morbidity in patients with end-stage renal disease. Recent evidence suggests that albumin levels vary considerably in hemodialysis patients depending on the laboratory method used, but formulas for comparing albumin values by different methods have not been developed. We prospectively ...
Hou Z Y - - 1996
BACKGROUND: The polymorphic metabolism of debrisoquin and sparteine by cytochrome P450IID6 (CYP2D6) is genetically determined. Determination of the CYP2D6 metabolic phenotype with conventional urine analytic methods is not feasible in anuric patients with renal failure. The possibility of using salivary analysis, with dextromethorphan as a probe drug, to determine the ...
Ruggian J C - - 1996
Porphyria cutanea tarda is a disorder of heme biosynthesis resulting from a defect or deficiency in the enzyme uroporphyrinogen decarboxylase. Heme precursors accumulate in the blood, urine, stool, and skin, where exposure to sunlight results in the clinical manifestations. Porphyria cutanea tarda has been described in adult hemodialysis patients. The ...
Benedetti E - - 1996
Since the initial description of the radial arteriovenous (AV) shunt, hemodialysis has played a primary role in the survival of patients with chronic renal failure. However, it is not unusual to be confronted with patients on chronic hemodialysis who have exhausted all superficial venous access sites. We describe a technique ...
Camus C - - 1996
OBJECTIVE: To assess the efficacy, adverse effects and relevance of calcium-free hemodialysis (CFHD) in the treatment of major hypercalcemia. DESIGN: Retrospective chart review. SETTING: Medical ICU. PATIENTS: All patients admitted over a 9-year period for hypercalcemia requiring urgent treatment and who underwent hemodialysis. INTERVENTIONS: CFHD with an acetate dialysate. MAIN ...
Christensen A J - - 1996
Recent theory and evidence suggests that bodily self-focusing tendencies (e.g. private body consciousness) may be associated with medical regimen adherence among chronically ill patients. The present study examined the joint effects of private body consciousness and degree of illness-related physical impairment on treatment regimen adherence in a sample of 52 ...
Raos V - - 1996
Mitral annular calcification (MAC) is a degenerative process associated with left ventricular hypertrophy (HLV) and progressive atherosclerosis, characteristic of the older age groups. Numerous investigations point to significantly earlier onset of atherosclerosis process in patients in final stage of chronic renal insufficiency. The aim of investigation was to determinate the ...
Ifudu O - - 1996
Acute myocardial infarction (AMI) is common in patients who have end-stage renal disease. However, the prudent interval after AMI until resuming hemodialysis is unknown. Also incidence and severity of intradialytic morbid events during the initial dialysis treatment after AMI have not been determined. We conducted a retrospective analysis of the ...
Sato A - - 1996
Serum albumin from normal individuals and short-term hemodialysis patients was separated by isoelectric focusing into two bands with pIs of 4.7 (Alb-I) and 4.2 (Alb-II). However, serum albumin from long-term hemodialysis patients with CTS migrated as a single band with a pI of 4.2 (Alb-II). The major constituent of the ...
Perez-Mijares R - - 1996
Vascular calcifications are frequent in hemodialysis patients. Its incidence ranges from 25 to 67% depending of different series. Thirty hemodialysis patients were selected from a dialysis population of 150 patients. These 30 patients were divided into two groups: group I included 15 hemodialysis patients with severe secondary hyperparathyroidism and severe, ...
Levy N B - - 1996
Nine depressed patients with normal kidney function and seven depressed patients with renal failure undergoing hemodialysis were treated with open-label fluoxetine 20 mg/day in an 8-week study. The study was designed to evaluate the pharmacokinetics of fluoxetine during repeated administration and to acquire preliminary data regarding the effectiveness of this ...
Cohen G - - 1995
Circulating plasma factors accumulating in the serum of uremic patients have the potential to inhibit essential functions of polymorphonuclear leukocytes (PMNL). As a consequence, these factors can contribute to the increased risk for bacterial infections generally found in uremic patients. Free immunoglobulin light chains that are present in the serum ...
Taj R - - 1995
This study involves a review of 178 patients on a strictly monitored methadone maintenance programme. All patients had a minimum of 9 years of intravenous drug misuse. 35.7% were HIV positive, 55.7% males and 29% females had previous prison sentences. On average patients had undergone 3.26 out-patient and 0.9 in-patient ...
Sennesael J J - - 1995
The cell-mediated immunity was studied in 14 hemodialysis patients by determination of the serum levels of soluble interleukin 2 receptor (sIL-2R) before (hemoglobin 7.9 +/- 0.6 g/dl) and after 16 months of recombinant human erythropoietin (rHuEPO) administration (hemoglobin 10.3 +/- 1.1 g/dl) and compared with 14 hemodialysis patients not receiving ...
Kario K - - 1995
To study the mechanism underlying the high lipoprotein (a) [Lp(a)] level in uremic patients on chronic hemodialysis, we investigated the levels of Lp(a), acute phase reactants (C-reactive protein and sialic acid), and interleukin-6 (IL-6) in 54 dialysis patients. The mean [95% CI] Lp(a) level was increased in the hemodialysis patients ...
Oda H - - 1995
Patterns of bone loss in the axial and appendicular skeleton were studied in 88 chronic hemodialysis patients (59 males and 29 females) and 60 normal volunteers (30 males and 30 females). The hemodialysis patients were properly medicated with phosphate binders and 1 alpha-OH D3 where necessary. The metacarpal index (MCI), ...
Touchette M A - - 1995
To define the pharmacokinetics of vancomycin in patients undergoing maintenance hemodialysis in an acute care setting and to characterize the rebound phenomenon occurring after hemodialysis, vancomycin t1/2 during the interdialytic and intradialytic phases and intradialytic clearance were measured in eight critically ill patients undergoing high-flux hemodialysis using F-80 or F-60 ...
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