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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

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

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

A 66-year-old white man presented with severe chronic renal failure. He had no past or present symptomatic glucose intolerance nor a family history of diabetes mellitus. Several fasting plasma glucose determinations, hemoglobin Alc and an oral glucose tolerance test were normal. Funduscopic ophthalmoscopy and retinal fluorescein angiography did not demonstrate diabetic retinopathy. The kidney biopsy showed nodular diabetic nephropathy, with increased mesangial matrix, thickened glomerular basement membrane, and afferent and efferent glomerular arteriolar hyalinization. The diagnosis of nodular diabetic nephropathy was made in this patient in the absence of past or present or familial evidence of diabetes mellitus.
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PMID:Nodular diabetic glomerulosclerosis without diabetes mellitus. 143 40

This study was designed to compare changes in lipid status following organ transplantation between type I diabetes mellitus (DM-I) patients receiving combined pancreas-kidney transplantation (PKT) with those receiving kidney transplantation alone (KTA). A retrospective chart review was used to identify pre- and posttransplantation fasting total cholesterol (TC) and triglycerides (TG) in three groups: DM-I patients receiving KTA (DM:KTA; n = 14), DM-I patients receiving PKT (DM:PKT; n = 20), and kidney transplant recipients without DM (NDM; n = 16). The groups were matched for age, gender, weight, duration of dialysis, smoking history, and duration of diabetes mellitus. Linear regression was used to analyze differences in lipid trends over time (up to 24 months posttransplantation) and the effects of prednisone dose, cyclosporine dose, and serum creatinine. Preoperative TC was significantly lower in the DM:KTA group (P < 0.05) compared with DM:PKT or NDM. There were no significant differences in preoperative TG between the three groups. TC and TG decreased over time only in DM:PKT (P = 0.0112, P = 0.0278, respectively). TC increased and TG was unchanged over time in DM:KTA (P = 0.0003, P = 0.1103, respectively). Neither TC nor TG changed over time in NDM. Trends of TC and TG for DM:PKT were significantly different from DM:KTA (P < 0.01 for both). Trend of TC for NDM was also significantly different from DM:PKT (P = 0.0061). Prednisone dose was significantly related to TC in DM:KTA and NDM (P < 0.01) while cyclosporine dose was significantly related to TC for DM:KTA only (P = 0.0013) in the presence of time. None of the variables tested (prednisone dose, cyclosporine dose, and serum creatinine) significantly affected TG in the presence of time. In summary, TC and TG decreased over time only in DM:PKT. In contrast, TC increased while TG was unchanged in DM:KTA over the same interval (0-24 months). If these trends continue, the beneficial change in lipids in the DM:PKT group may translate into a net improvement in atherosclerosis-mediated events for diabetic patients with chronic renal failure who receive PKT compared with those who do not.
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PMID:Lipid status after combined pancreas-kidney transplantation and kidney transplantation alone in type I diabetes mellitus. 146 93

We performed 7 cases of pancreas transplantation (PTX), simultaneous pancreas and kidney transplantation in 4 cases, and PTX after kidney transplantation in 3 cases. The pancreas and kidney were extirpated after in situ perfusion using UW solution and stored in UW solution. The pancreas was transplanted in the left iliac fossa with bladder drainage, and the kidney was placed in the contralateral iliac fossa. The immunosuppressive regimen consisted of cyclosporine, methylprednisolone, azathioprine and antilymphocyte globulin. Gabexate mesilate (30-40 mg/kg/day) and PGE1 (5 ng/kg/min) was administered intravenously to prevent the vascular thrombosis. The original diseases of 7 patients were insulin-dependent diabetes mellitus (IDDM) with chronic renal failure, retinopathy and neuropathy. Six out of 7 patients became insulin-free after PTX, while one patient developed the vascular thrombosis in the pancreatic graft which was removed after 12 hours after the transplantation. All patients became dialysis-free and serum creatinine was ranging from 1.5 to 2.0 mg/dl. HbAlc remained within normal range in 6 out of 7 patients, who showed normal to borderline glucose tolerance in 75g oral glucose tolerance test. Although further investigation will be required, PTX from cardiac-arrest donor will be promising as one of the therapeutic modalities for IDDM patients.
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PMID:[Combined pancreas and kidney transplantation for IDDM patients with diabetic renal failure]. 147 Jan 68

Subjects with chronic renal failure have a greatly increased risk of coronary heart disease and dyslipidemia. Relatively few studies have examined the relationship of chronic renal failure to lipoprotein (Lp)(a) concentrations, an important risk factor for coronary heart disease. Diabetic subjects have been reported to have both increased Lp(a) concentrations and an increased risk of renal failure, thereby possibly confounding the Lp(a)-renal failure association. The association between Lp(a) and chronic renal failure in 359 control subjects and 111 subjects with renal failure was examined. Lp(a) (in milligrams per deciliter) was elevated in subjects with chronic renal failure, regardless of ethnicity (Mexican Americans, 19.8 +/- 2.7 versus 14.1 +/- 1.3; P = 0.03; non-Hispanic white patients, 24.9 +/- 3.0 versus 16.3 +/- 1.2; P = 0.006;). These differences persisted after adjustment for diabetes and ethnicity (P < 0.001). The type of treatment for chronic renal failure (diet, hemodialysis, or peritoneal dialysis) did not have an effect on Lp(a) concentrations. Lp(a) levels were not correlated with the level of creatinine in subjects with chronic renal failure. Thus, the elevation of Lp(a) levels in renal failure must occur early in renal failure, or alternatively, elevated Lp(a) levels may promote progression to chronic renal failure. These results indicate that Lp(a) concentrations are increased in chronic renal failure and may increase the risk for coronary heart disease in these subjects.
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PMID:Increased lipoprotein(a) concentrations in chronic renal failure. 148 54

In summary, GH secretion and, to a lesser extent, GH metabolic clearance, are subject to regulation in health and disease. Nutritional, body compositional, metabolic, and age-related and sex-steroid related mechanisms as well as adrenal glucocorticoids, thyroid hormones, and renal and hepatic function all govern pulsatile GH release in adults. Moreover, tissue resistance to GH action may occur as an inborn (Laron dwarf) or acquired (fasting, diabetes mellitus, chronic renal failure) defect and modulate the function of the somatotropic axis. Finally, GH action is controlled by the local synthesis of IGFs and their binding proteins in target tissues.
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PMID:Clinical pathophysiology of the somatotropic (GH) axis in adults. 148 76


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