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

The nephrotoxic effects of radiographic contrast media (RCM) used for excretory urography and angiography are described in 9 patients. These effects are usually temporary and reversible, but may be permanent. Predisposing factors resulting in renal damage are identified and discussed. These include diabetes, dehydration, myelomatosis, chronic renal failure of many causes and repeated administrations of contrast media with a short period. Suggestions are made in order to reduce the incidence and severity of functional renal impairment after administration of contrast media.
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PMID:Acute renal failure after use of radiographic contrast media. 74 Dec 76

A case of lactic acidosis associated with phenformin therapy for diabetes mellitus is reported, and 34 previously reported cases of lactic acidosis associated with phenformin therapy are reviewed to determine if any predisposing factors to lactic acidosis were apparent. Observations of sex, age, duration of diabetes, pathologic conditions, dosage, duration of phenformin therapy and the onset of symptoms preceding lactic acidosis were made. Renal impairment, urinary tract infections, hepatic impairment, ethanol ingestion and poorly controlled congestive heart failure were found to be predisposing factors to lactic acidosis. The appearance of a syndrome of impending lactic acidosis consisted of anorexia, nausea, vomiting with abdominal pain or lethargy.
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PMID:Phenformin-associated lactic acidosis; a review. 114 21

Lowering blood pressure by medical treatment is not enough for correct prevention of the cardiovascular complications of high blood pressure. In this respect, we would like to emphasize the potential value of the non-antihypertensive effects of angiotensin-converting enzyme (ACE) inhibitors which may be summarized as follows. In the heart, ACE inhibitors significantly reduce left ventricular hypertrophy. They have no noticeable anti-ischaemic activity and are devoid of antiarrhythmic effects. On the kidneys, ACE inhibitors seem to have a protective effect, still to be determined, in certain cases of diabetes or renal impairment. ACE inhibitors have no deleterious metabolic effects. Other antihypertensive agents share the same properties. Long-term comparative trials are necessary to find out whether some of these drugs are more effective in this field than the others.
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PMID:[Are non blood pressure effects of converting enzyme inhibitors important in arterial hypertension?]. 129 37

It is a widely held view that when a patient with type I diabetes mellitus and diabetic retinopathy or neuropathy develops renal impairment the renal lesion will be diabetic glomerulonephropathy. This has been extrapolated to apply to type II diabetes. We have performed a retrospective study of the clinical data of patients with diabetes mellitus who have had a renal biopsy between November 1980 and December 1990. Seventy-one patients were biopsied, data were available on 68. Nineteen of 22 type I diabetics had diabetic glomerulopathy, two had diabetic glomerulopathy in addition to another lesion only one patient did not have diabetic glomerulopathy. Twenty-three of 46 type II diabetics had diabetic glomerulopathy alone 22 having an alternative diagnosis. Eight further patients were identified who were not known to be diabetic at the time of renal biopsy, but whose biopsies revealed diabetic glomerulopathy. These data suggest that patients with type II diabetes and renal impairment should have a renal biopsy as part of their investigation.
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PMID:Increased prevalence of renal biopsy findings other than diabetic glomerulopathy in type II diabetes mellitus. 133 73

To investigate plasma renin and prorenin levels in non-insulin-dependent diabetes mellitus (NIDDM) and their relation with autonomic nervous function and renal impairment, we measured plasma renin and prorenin levels in 39 NIDDM patients. The patients included 21 males and 18 females, aged 56.3 +/- 6.2. Thirty-four normal age-matched subjects served as controls. Autonomic nervous function was evaluated in 23 patients by the performance of cardiovascular reflex tests. The plasma renin concentration was measured by angiotensin I generation after the addition of an exogenous substrate. Plasma prorenin was activated by trypsin. The results showed that the plasma renin concentration was similar between NIDDM patients and normal subjects, while plasma prorenin was higher in NIDDM patients. No correlation existed between the plasma renin or prorenin levels and autonomic nervous function. The patients with abnormally high levels of prorenin also had a similarly high plasma renin level but not a high creatinine clearance (Ccr) or daily proteinuria. The plasma renin level was correlated inversely with daily proteinuria but not with Ccr. These results suggest that the high plasma prorenin levels in some diabetic patients cannot be explained by renal impairment, poor prorenin conversion or autonomic dysfunction. The hyporeninemia in some patients may be related to microvascular involvement of the kidney.
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PMID:Plasma prorenin and renin levels in non-insulin-dependent diabetes mellitus. 136 16

The percent distribution of selected comorbid conditions from a national sample of 3,399 Medicare patients starting maintenance hemodialysis in 1986-87 is described. Using the Cox proportional hazards model, the relative mortality risk (RR) was assessed for comorbid conditions at time of ESRD while adjusting for the other comorbid and demographic covariates. Coronary artery disease and congestive heart failure, each present in 41 percent of patients, were associated with RR of 1.22 and 1.26 respectively (p < 0.0005 each). Fifty percent of patients had a serum albumin concentration at onset of ESRD of less than 3.5 gm/dl, and an increased risk of dying. Additionally, patients recorded as undernourished had an elevated risk (RR = 1.34, without adjustment for serum albumin, p < 0.0001). Other factors associated with a statistically significant increased mortality risk (p < 0.005) included older age, diabetes as cause of ESRD (particularly if insulin dependent), history of neoplasm, active smoker, and relatively low serum creatinine concentration. By describing the magnitude of risk associated with comorbid conditions, this study emphasizes the need for preventive efforts during the pre-ESRD stages of renal impairment. Studies are needed to document whether improvement in serum albumin or other comorbid factors before ESRD leads to reduction in mortality risk for ESRD patients.
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PMID:Comorbid conditions and correlations with mortality risk among 3,399 incident hemodialysis patients. 144 73

A high incidence of renal lesions is observed in patients with insulin-dependent diabetes. In the early stages of the disease glomerular capillary hemodynamics is altered with, in particular, glomerular hyperfiltration related to several factors: enhanced glomerular capillary flow rate, capillary hypertension and increased filtration area. These hemodynamic changes could affect development of the glomerular microangiopathy: the final outcome of this is the glomerulosclerosis associated with a progressively worsening and ineluctable chronic renal insufficiency. Hypertension, frequent in the early stages, is practically constant when the neuropathy stage has been reached; it is well established that hypertension accelerates the development of glomerular lesions and the progression of the renal impairment. Experimental and clinical studies have clearly demonstrated that antihypertensive treatment slows down the degradation of renal function. All antihypertensive drugs appear to be effective, but converting enzyme inhibitors, by their effects on renal hemodynamics, could play a particular role in the prophylactic treatment of diabetic nephropathy. Determination of urinary excretion of albumin (microalbuminuria), the global evidence of the onset of a nephropathy is useful for the follow up of the renal disease, allows follow up of the renal lesion and evaluation of the efficacy of treatment.
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PMID:[Arterial hypertension and diabetic nephropathy]. 149 60

In theory, transplantation of the islets of Langerhans is the method of choice for the treatment of insulin-dependent diabetes. In actual fact, medical teams who have been working on this subject for about two decades have met with the problem of islet isolation, and for the time being this treatment cannot be considered effective. Pancreas transplantation gives satisfactory results in diabetics with renal impairment when it is coupled with kidney transplantation. However, it cannot yet be applied to all diabetics as its results are mediocre when performed alone, and it requires chronic immunosuppression. Pancreas transplantation not only increases the quality of life but also has the advantage of acting on degenerative complications: it may improve diabetic nephropathy, retinopathy and neuropathy. The results obtained are getting better year after year, and they are now close to those observed with other organ transplantations.
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PMID:[Islets of Langerhans grafts and pancreas transplantation]. 149 35

Magnesium and phosphorus normally are present in very low serum concentrations and usually are not included in common serum electrolyte laboratory studies. Though their normal serum concentrations are relatively low, both of these ionized minerals are necessary for many critical physiologic functions, and decreases in normal serum levels can have serious deleterious effects. Some of these effects, especially in myocardial tissues, may lead to permanent tissue damage. Hospitalized patients at greatest risk for developing hypomagnesemia or hypophosphatemia are trauma victims; individuals with poorly controlled diabetes mellitus, renal impairment, parathyroid dysfunction, or chronic alcoholism; and individuals who have been treated with antineoplastic agents.
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PMID:Magnesium and phosphorus: the neglected electrolytes. 152 36

Many patients with diabetes who may benefit from treatment with tolrestat, a new aldose reductase inhibitor, will have nephropathy. Therefore the effect of renal dysfunction on the pharmacokinetics of tolrestat was evaluated in eight subjects maintained on hemodialysis, 11 subjects with partial renal impairment (creatinine clearance values ranging from 14 to 80 ml/min/1.73 m2), and eight normal subjects. Each subject received a single oral dose of 200 mg tolrestat. Blood and urine samples were collected during a 48-hour period, and tolrestat concentrations were measured by HPLC. Renal dysfunction had no apparent effect on the rate of absorption or volume of distribution of tolrestat. However, tolrestat clearance was significantly reduced from 30 +/- 3 (SD) ml/hr/kg in the normal subjects to 15 +/- 5 ml/hr/kg in the subjects receiving dialysis, and tolrestat half-life was prolonged from 11 to 16 hours. Therefore a reduction in tolrestat dose is suggested for patients with severe renal impairment.
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PMID:The effect of renal disease on tolrestat pharmacokinetics. 154 87


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