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Query: UMLS:C0011849 (diabetes)
 277,896 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Diabetes mellitus can lead, along the years of its course, to chronic renal failure in a high proportion of cases. An early risk-indicator of later diabetic nephropathy is the presence of microalbuminuria, but it usually takes about fifteen to twenty years to appear. Before that, no clinical signs can disclose the underlying alterations of glomerular basement membrane that will eventually bring forth overt nephropathy. The usefulness of the altered excretion of isoenzymes of amylase as an early marker of the glomerular charge selectivity was tested in 202 juvenile onset insulin-dependent diabetics, compared with 51 normal subjects matched for age and sex. The diabetic patients studied showed increased excretion of salivary amylase into urine. The salivary to pancreatic amylase ratio of concentrations in urine was always below 1 in normal subjects, and was increased over 1 in 33.2% of diabetics, although microalbuminuria was present only in 26.2% of patients. The excretion of other proteins was within reference values in the majority of cases, indicating that the kidney was not seriously affected in those patients. Moreover, the altered salivary to pancreatic amylase ratio in urine was more prevalent than microalbuminuria (36.6% vs 18%) in the first decade of the evolution of the diabetes. These results indicate that the ratio of excretions of both isoamylases into urine is a more sensible and earlier marker of altered glomerular charge barrier for anionic proteins.
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PMID:Utility of filtration markers to monitor the quality of glomerular function. 128 36

Case 1, a 60-year-old man and case 2, a 70-year-old man had several year history of chronic renal failure with hypertension and hyperlipidemia due to diabetes mellitus. Treatment of hyperlipidemia was started by oral bezafibrate intake 1,200 mg per day in case 1 and 400 mg per day in case 2 respectively. Three to fourteen days later, both patients noticed symmetrical muscle pain and weakness. Then the symptoms worsened and they were hospitalized. At the time of admission, both patients revealed weakness in the proximal muscles of their upper and lower limbs and the serum creatine kinase and myoglobin levels were remarkably elevated. Myoglobinuria was also noted. Routine light microscopic examination of biopsied quadriceps femoris muscles of two patients showed scattered necrotic muscle fibers, some of which were under phagocytosis. The symptoms of the patients were immediately resolved after the drug was discontinued. Serum concentration of bezafibrate was remarkably elevated during treatment. Thus the diagnosis was established as having bezafibrate induced myopathy and, as far as we know, this is the first report of bezafibrate induced myopathy in Japan. On the basis of the above description, bezafibrate may induce muscle damage if dose is excess over the renal capacity. Extreme caution is warranted when the patient is placed on bezafibrate and has renal dysfunction. Strict dose adjustment is necessary in taking account of renal function to avoid muscle damage including rhabdomyolysis.
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PMID:[Bezafibrate myopathy in two patients with chronic renal failure]. 129 Nov 64

This review paper analyzes the different steps in the diagnosis of peripheral sensory neuropathies. Although electrodiagnostic tests are almost invariably needed, other investigations should be performed according to an accurate prior clinical evaluation. Some causes are frequent and easy to discover, such as diabetes and chronic renal failure. On the opposite, genetically determined and dysimmune neuropathies are less frequent, and may go unrecognized for a long time. A careful survey of the clinical, biological and electrophysiological features sometimes discloses a specific aetiology of an initially unclassified neuropathy.
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PMID:[Sensory neuropathies]. 131 12

A large end stage renal failure population treated by chronic ambulatory peritoneal dialysis (CAPD) was examined for rates of infection, CAPD modality failure and patient survival (N = 347). Nearly half were considered high risk for survival for reasons of age (39% older than 60 years), diabetes mellitus (33%), hemodialysis access failure (10%), poor cardiopulmonary reserve (16%) or technical challenges (30% had morbid obesity, history of abdominal aortic aneurysm repair or multiple abdominal surgeries). Hence, CAPD was often initiated by default rather than choice in the 347 patients studied (mean age: 51 +/- 17 years). Infections greatly outnumbered technical failures as grounds for cessation of CAPD. Over 5521 patient-months, 51% of patients developed infection with peritonitis predominating (80%) when compared to exit site infections (20%). The frequency of infections was 1.9 mean episodes per patient; however, 55% of these patients had only one episode of peritonitis. A rate of 0.75 infections per patient per year was seen with an average interval of 16 months between infections. Technique and patient survival rates at 4 years were 50% and 61% respectively. High risk status does not preclude successful CAPD and should not preclude its implementation.
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PMID:Single center success with a high risk peritoneal dialysis population. 136 61

Large numbers of diabetics with renal failure have been treated by continuous ambulatory peritoneal dialysis (CAPD). Overall 1-year patient survival varies from 51% to 87%. Mortality is due to cardiovascular disease in more than 50% of the cases. Young diabetics with good blood pressure control and without cardiac disease have a chance at long survival on CAPD. In comparison to hemodialysis, CAPD yields better patient survival for young diabetics and worse for old diabetics, worse technique survival, probably greater overall morbidity, and similar rates of progression of retinopathy, neuropathy and peripheral vascular disease. Adequacy of peritoneal clearance and peritoneal ultrafiltration characteristics are similar between diabetics and non-diabetics on CAPD. CAPD is associated with better preservation of renal function than hemodialysis in diabetics. The rates of CAPD peritonitis do not differ substantially between diabetics and non-diabetics. However, diabetes appears to be associated with higher incidence of tunnel infection. Hyperlipidemia is generally less severe in diabetics than non-diabetics on CAPD, but malnutrition is more frequent in diabetics. CAPD has many attractive features and several drawbacks for the management of diabetics with end stage renal failure (ESRF). Its ultimate success will depend on the outcome of efforts to improve cardiovascular mortality, malnutrition, hyperlipidemia and catheter-related infections.
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PMID:CAPD in end stage patients with renal disease due to diabetes mellitus--an update. 136 83

The adequacy of peritoneal dialysis should be defined by clinical outcomes. Studies using multivariate techniques to evaluate the effect of demographic and clinical risk factors on these clinical outcomes showed worse patient survival for age > 60 years, diabetes mellitus, history of cardiovascular disease, black race and prior ESRD therapy. The single study reporting a multivariate analysis of urea kinetics and these baseline prognostic factors on clinical outcome showed serum albumin to be the most powerful predictor of survival. A multicentre study (10 Canadian and 4 US Centres) has enrolled 374 consecutive new peritoneal dialysis patients. The target enrollment is 600 patients. Among these 374 patients are 217 males (58%), 71 patients age > 70 (19%), 106 with diabetic renal disease (28%), 95 with a history of cardiovascular disease (25%) and 60 with serum albumin values < 30 Gm/L (16%). There are 307 white patients (82%) and 26 black patients (7%). The 9 month probabilities were: for patient survival, 96%; for technique survival, 93%; peritonitis-free survival, 68%; exit site infection-free survival, 71%. Final statistical analysis will use multivariate techniques to evaluate the relationships among baseline prognostic factors, nutritional status and clinical outcomes.
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PMID:Canada-USA (CANUSA) multicentre study of peritoneal dialysis adequacy: description of the study population and preliminary results. CANUSA Peritoneal Dialysis Study Group. 136 61

The serum creatinine concentration is widely interpreted as a measure of the glomerular filtration rate (GFR) and is used as an index of renal function in clinical practice. Glomerular filtration of creatinine, however, is only one of the variables that determines its concentration in serum. Alterations in renal handling and metabolism of creatinine and methodological interferences in its measurement may have a profound impact on the serum concentration of creatinine. We review the fundamental principles of physiology, metabolism, and analytical chemistry that are necessary to correctly interpret the serum creatinine concentration. These principles are then applied to important clinical circumstances, including aging, pregnancy, diabetes mellitus, drug administration, and acute and chronic renal failure. Despite numerous limitations, serum creatinine remains a useful clinical tool, but more accurate measures of renal function are frequently necessary.
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PMID:Serum creatinine as an index of renal function: new insights into old concepts. 833 Apr 17

Diabetic nephropathy is currently the leading cause of new patients requiring dialysis in the United States. Management of the diabetic patient with ESRD is complicated by the frequent coexistence of complications affecting other organ systems, including retinopathy, cardiovascular disease, peripheral neuropathy, or autonomic neuropathy, manifested as gastroparesis, diarrhea or obstipation, cystopathy, or orthostatic hypotension. Associated clinical syndromes must be followed and treated, if possible, while preparing the patient to receive renal replacement therapy. Both the clinical condition and the psychosocial environment are key factors in choice of ESRD therapy for an individual patient. Rehabilitation data are best for patients who undergo kidney transplantation, but these data are confounded by the fact that the healthiest patients are referred for this treatment modality. Living, related kidney transplant is the preferred initial choice for the diabetic patient with kidney disease. At most centers, both in the United States and abroad, the cadaveric transplant is the second choice for uremia therapy. At the appropriate institution, the patient with type I diabetes may also be considered for a simultaneous cadaveric pancreas transplant. While awaiting cadaveric transplantation, or if contraindication to transplantation is present (chronic infection, recent malignancy, or severe cardiac disease), diabetic patients with severe impairment of the glomerular filtration rate (less than 10-15 ml/min) are referred for vascular access placement and/or insertion of a peritoneal catheter. The decision regarding the choice of CAPD vs. hemodialysis must be made on an individual basis. Rehabilitation and survival data for these therapies are similar, although technique survival rates for CAPD decline dramatically as time progresses because of infectious complications. In-center hemodialysis has the worst survival and rehabilitation profile, but the sickest, most debilitated patients with the highest number of comorbid conditions tend to be referred for that therapeutic modality. Most studies of rehabilitation were performed before use of recombinant human erythropoietin, and comparison between ESRD treatment modalities will have to be reevaluated now that the drug is routinely used.
Diabetes Care 1992 Sep
PMID:Diabetic nephropathy. Management of the end-stage patient. 139 19

Prior research has shown that, controlling for age and diabetes, patients with end-stage renal disease in Europe generally have better rates of survival than do ESRD patients in the U.S. This analysis compares the dose of hemodialysis prescription in the two regions. Based on the European Dialysis and Transplant Association Registry (EDTA), the U.S. Renal Data System (USRDS), and other sources, European and U.S. ESRD patients were compared by demographic and anthropometric characteristics, dialyzer characteristics, and duration of dialysis treatment times. Average body weight and body mass indices were found to be similar for the ESRD populations of the two societies, suggesting the same overall requirements for dialysis therapy. During 1986 to 1988, dialyzers selected in Europe had a larger surface area by at least 20 percent compared to those selected in the U.S. In addition, duration of hemodialysis treatment times were on average 23.5% longer for EDTA patients. Dialyzer blood flows were not available for EDTA patients, but if EDTA blood flows resemble U.S. practices, total urea clearance per week was at least 29% higher in Europe than in the U.S. Combining similar patient characteristics with substantially greater total urea clearance per week, the hemodialysis prescription in Europe was substantially higher than in the U.S. for the time period of this study.
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PMID:The dose of hemodialysis according to dialysis prescription in Europe and the United States. 140 68

One way to prevent chronic renal failure (CRF) is to institute preventive measures against renal diseases in the general population. Patients with hereditary kidney diseases should have genetic counselling. Certain infections affecting or causing kidney diseases can be eradicated. People should be cautious in the use of analgesics and non-steroidal anti-inflammatory agents. Exposure to hydrocarbons, heavy metals and toxic gases should be avoided. Proper management of diabetes mellitus, gout, renal stones and hypertension can prevent renal damage. In patients with established renal disease, the following factors if treated or modified can prevent or ameliorate renal injury: glomerular hypertension, cell mediated proliferation, lipid induced proliferation, coagulation and thrombosis. Pregnancy in patients with renal disease should be well managed and termination advised if necessary. Reversible causes of renal failure as well as acute reversible elements can be removed or treated. Acute renal failure due to toxins can be avoided, although prevention requires awareness of association with renal failure. Prevention too depends on early detection of nephrotoxic injury like: greater awareness of hazards of environmental toxins, careful monitoring of dosage of nephrotoxic drugs and when possible, total avoidance of nephrotoxins should be the rule. Finally, in patients with glomerular disease, prevention or amelioration of glomerular damage with pharmacological agents have been achieved in some instances.
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PMID:Can therapeutic interventions prevent chronic renal failure? 141 97


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