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Query: UMLS:C0242339 (dyslipidemia)
 13,927 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Renal insufficiency is frequently associated with both quantitative and qualitative abnormalities in lipid and hemorheologic profiles. Although this may lead to increased risk of cardiovascular disease, a number of studies have also shown dyslipidemia to be a significant risk factor for the progression of renal insufficiency in human chronic renal disease. This double-blind, placebo-controlled trial aimed to assess the effect of fluvastatin, a synthetic 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitor, on these parameters in dyslipidemic patients with or without chronic renal insufficiency. After a 6-week placebo run-in, 42 patients who had been previously stratified into 2 groups on the basis of creatinine clearance levels (0.5-1.0 mL/sec or > 1.0-1.5 mL/sec) were randomized to treatment with fluvastatin (40 mg daily) or matching placebo. Significant differences (on analysis of variance with repeated measures) were seen between fluvastatin and placebo treatment groups for changes in total cholesterol (-15% vs 1%, respectively; p < 0.001), low density lipoprotein cholesterol (LDL-C; -21% vs -5%; p < 0.001), very low density lipoprotein cholesterol (-14% vs 14%; p = 0.017), very low density lipoprotein triglycerides (-1% vs 29%; p = 0.014) and total triglycerides (-7% vs 24%; p < 0.001). These effects on cholesterol levels were reflected in a significant decrease in apolipoprotein B levels with fluvastatin therapy (p < 0.001). Apolipoprotein A-I levels increased (p = 0.054) despite no significant change in the levels of high density lipoprotein cholesterol. Response to therapy did not differ between the 2 renal function groups for any of the lipid, lipoprotein, and apolipoprotein variables. Hemorheologic parameters were not altered with fluvastatin therapy, regardless of renal function.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Fluvastatin for dyslipoproteinemia, with or without concomitant chronic renal insufficiency. 760 9

Existing evidence suggests that dyslipidemia associated with long-lasting nephrotic syndrome and with chronic renal insufficiency may favor in the long run the occurrence of cardiovascular complications, and also aggravate glomerular damage with a pathological mechanism analogous to atherosclerosis. Correction of hypercholesterolemia and hypertriglyceridemia is therefore mandatory in both clinical conditions. This goal can be achieved with the combination of dietary intervention and the administration, even for long periods of time, of hypolipemic drugs (hydroxymethylglutaryl coenzyme A, HMGCoA, reductase inhibitors, to correct hypercholesterolemia in nephrotic syndrome, and fibric acids, to correct hypertriglyceridemia in uremic and dialyzed patients are the drugs of choice). In end-stage renal failure, the choice of the type of dialysis is also important. The value of extracorporeal LDL cholesterol removal is still to be proven.
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PMID:Treatment of hyperlipidemia in human renal disease. 823 7

The scarce literature on dietary manipulation of dyslipidemia in patients with nephrotic syndrome and in patients with chronic renal insufficiency is reviewed. Our favorable personal experience in both clinical conditions is illustrated as well. A special low-protein soy diet given for 2 or 4 months partially corrected hypercholesterolemia in nephrotic patients, and a low-protein diet also low in cholesterol and rich in polyunsaturated fatty acids corrected hypertriglyceridemia and hypercholesterolemia in patients with progressive renal damage. The soy diet had an additional favorable effect on proteinuria of nephrotic patients that might have been a direct consequence of the partial correction of the hypercholesterolemia. The addition of 5 g/d of fish oil to the soy diet did not modify the effects of the soy diet on proteinuria nor was it able to correct the hypertriglyceridemia of nephrotic patients. Dietary intervention should be the first-line treatment for the dyslipidemia of these renal diseases, since it can be used for long periods of time and is devoid of side effects so long as good nutritional status is maintained.
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PMID:Influence of diet on lipid abnormalities in human renal disease. 832 78

We conducted a cost-effectiveness analysis to compare costs and clinical outcomes of sevelamer versus calcium carbonate plus atorvastatin for treatment of dyslipidemia in patients with chronic renal insufficiency. The model was from the third-party payer perspective. Efficacy and adverse event rates for each regimen were obtained from published clinical trials. Drug costs were based on average wholesale prices; monitoring costs were based on Medicare reimbursement rates. Our model suggests that the combination of calcium carbonate plus atorvastatin is substantially more cost-effective than sevelamer in reducing low-density lipoprotein (LDL) in these patients. One-way sensitivity analyses were performed to assess if 25% and 50% price reductions in sevelamer affected overall cost-effectiveness results. A 50% sevelamer price reduction was less expensive than combination therapy but remained less cost-effective. A two-way sensitivity analysis on the probability that a patient achieves the goal of a 35% LDL reduction resulted in calcium carbonate plus atorvastatin remaining more cost-effective. Further cost-effectiveness studies are necessary to corroborate our data.
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PMID:Cost-effectiveness of sevelamer versus calcium carbonate plus atorvastatin to reduce LDL in patients with chronic renal insufficiency with dyslipidemia and hyperphosphatemia. 1093 56

Cardiovascular illness is an important contributor to the morbidity of kidney disease. The spectrum of cardiovascular disease (CVD) in patients with chronic renal insufficiency (CRI) includes left ventricular hypertrophy (LVH) and dilatation, ischemic heart disease, and peripheral vascular disease. Both "traditional" and "uremia-specific" factors contribute to the occurrence and progression of cardiac disease in renal patients. A growing body of recent evidence indicates that the processes contributing to CVD commence early in CRI, leading to concentric LVH, left ventricular dilatation, congestive heart failure, and ischemic heart disease. Many of the coexisting conditions that have been identified consistently as contributing to the burden of cardiovascular illness in renal populations can be modified through medical interventions. Specific therapies exist for hypertension, anemia, hyperparathyroidism, and dyslipidemia. Studies to date have demonstrated that treatment of many of these factors-such as anemia and hypertension during end-stage renal disease-appear to benefit the cardiovascular system. Earlier intervention may offer the best opportunity to reduce the burden of illness in all groups of CRI patients. Identification of patients at the onset of kidney disease and attention to the known traditional and "uremic" risk factors are emerging as promising strategies. Long-term interventional studies are needed to determine costs, benefits, and risks of such strategies.
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PMID:Cardiovascular disease in chronic renal insufficiency. 1111 55

The less rigorous attention to the management of the complications of chronic renal insufficiency (CRI) and its comorbid conditions has potentially tragic consequences. In fact, with early recognition and intervention, many of the complications of CRI and its comorbid conditions can be ameliorated or prevented. We review here the most prevalent, troublesome, and potentially preventable complications and comorbidities of CRI with a view toward developing high-quality, cost-effective strategies for delivering early interventional care. Complications of CRI include malnutrition, anemia, disorders of divalent ion metabolism and osteodystrophy, metabolic acidosis, and dyslipidemia. Important comorbid conditions of CRI are hypertension, diabetes mellitus, and cardiovascular disease. Clinical intuition suggests that early intervention will avert morbidity related to the hypoalbuminemia and other nutritional disorders of CRI, the metabolic acidosis, and the dyslipidemias, but prospective data are lacking at present. Correction of anemia, usually with recombinant human erythropoietin, may be key to the prevention of cardiac disease and other comorbidities of CRI. Incipient disorders of bone and mineral metabolism are managed prospectively using such measures as protein restriction to reduce phosphorus intake, phosphate binders, calcium supplementation, and vitamin D analogues. Hypertension, whatever its original etiology, is clearly an important risk factor for the progression of kidney failure and for the development of diffuse vascular disease; appropriate and aggressive treatment is essential. In patients with diabetic nephropathy, the principles of both primary and secondary prevention have been validated in several large trials of glycemic and blood pressure control. The seeds of these insidious, challenging, and costly comorbid conditions are sown very early in CRI, at a time when they are-in theory-most amenable to intervention. We therefore must be as proactive as possible in the timely implementation of relatively simple therapies that have the potential to prevent some of these adverse outcomes of CRI.
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PMID:Complications of chronic renal insufficiency: beyond cardiovascular disease. 1111 56

Dyslipidemias are common in patients with chronic kidney disease. The causes vary with the stage of kidney disease, the degree of proteinuria, and the modality of end-stage renal disease treatment. Dyslipidemias have been associated with kidney disease progression, and a number of small, randomized, controlled trials of lipid-lowering agents have been conducted. Unfortunately, the results of these trials, although encouraging, have been inconclusive because of the small numbers of patients enrolled. Dyslipidemias may also contribute to the high incidence of cardiovascular disease in patients with chronic kidney disease. This is most likely for patients with chronic renal insufficiency and for kidney transplant recipients. Less certain is the role of dyslipidemias in the pathogenesis of cardiovascular disease among dialysis patients.
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PMID:Hyperlipidemia in kidney disease: causes and consequences. 1198 Dec 63

Dyslipidemia increases the risk of cardiovascular events among individuals with renal disease, and there is a growing body of evidence that it hastens the progression of renal disease itself. Children with nephrotic syndrome or renal transplants have easily recognized hyperlipidemia. Among those with chronic renal insufficiency or end-stage renal disease, detection of dyslipidemia requires more careful analysis and knowledge of normal pediatric ranges. Disordered lipoprotein metabolism results from complex interactions among many factors, including the primary disease process, use of medications such as corticosteroids, the presence of malnutrition or obesity, and diet. The systematic treatment of dyslipidemia in children with chronic renal disease is controversial because conclusive data regarding the risks and benefits are lacking. Hepatic 3-methylglutaryl coenzyme A reductase inhibitors (statins), fibrates, plant stanols, bile acid-binding resins, and dietary manipulation are options for individualized treatment. Prospective investigations are required to guide clinical management.
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PMID:Dyslipidemia in pediatric renal disease: epidemiology, pathophysiology, and management. 1198 Dec 90

Cardiovascular (CV) disease in uremic patients is a major concern to the nephrologist because it represents the main cause of morbidity and mortality in chronic renal failure patients, both predialysis and while on dialysis therapy. CV mortality is 3 to 20 times higher in dialysis patients than in the general population at similar age. Of note, a high prevalence of CV comorbidity is already present at start of maintenance dialysis, and is predictive of subsequent mortality on dialysis. CV disease progresses over years prior to the onset of ESRD, because risk factors develop from the early stage of chronic renal insufficiency. However, CV disease may be prevented or attenuated in patients who benefit from early, regular care of CV risk factors. Mechanisms of uremic cardiopathy, the major cause of mortality in uremic patients, are multifactorial and their effects are cumulative. Risk factors for left ventricular hypertrophy are hypertension, anemia, fluid overload and arteriosclosis, all of which are amendable by therapy. Risk factors for accelerated atherosclerosis, responsible for ischemic cardiopathy and myocardial infarction, are both common factors (e.g., hypertension, tobacco smoking and diabetes) and factors more specific for the uremic state (e.g., dyslipidemia, hyperhomocysteinemia and oxidative stress), all of which also are amendable by proper therapy. As a result, mixed hypertensive and ischemic cardiomyopathy develops, ultimately leading to cardiac failure, together with accidents resulting from valvular and arterial calcifications (favored by calcium-phosphate disorders), and from occlusion of coronary, cerebral and peripheral arteries. Cardioprotective therapy thus has become a cornerstone in the management of chronic renal failure patients, in conjunction with renoprotective therapy. Cardioprotective strategy involves optimal treatment of hypertension, anemia, fluid overload, dyslipidemia, hyperhomocysteinemia and calcium-phosphate disorders, and smoking cessation. To achieve a maximal efficacy, such treatment has to be initiated as early as possible in the course of renal failure. Because of its complexity, the integrated combined nephrotective and cardioprotective therapy requires early and sustained guidance by a nephrologist throughout the whole predialysis period.
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PMID:[Cardioprotection: an essential component for predialysis chronic renal failure treatment]. 1272 13

Arteriosclerosis, atherosclerosis and vascular calcification are causally related to the high morbidity and mortality of patients with chronic renal failure. Oxidative stress and carbonyl stress of uremia, dialysis procedure and/or intravenous iron therapy result in AGE (advanced glycation end-product), ALE (advanced lipoxidation end-product) and AOPP (advanced oxidation protein product) formation, favouring together with elevated CRP (C-reactive protein) levels the development of cardiovascular and cerebrovascular complications. Enhanced plasma levels of homocysteine and ADMA (asymmetric dimethylarginine) contribute to this process. In addition, in chronic renal insufficiency hyperphosphatemia and an enhanced calcium x phosphorus ion product are associated with the morbidity and mortality of the patients, particularly in the presence of fetuin deficiency. Phosphorus, AGEs and AOPPs, beside other factors, catalyze the conversion of vascular smooth muscle cells to osteoblast--like cells (particularly in the presence of monocytes/macrophages), resulting in bone matrix protein formation. Other risk factors, such as age, male sex, smoking, hypertension, diabetes, chronic inflammation, insulin resistance or dyslipidemia (enhanced non-HDL-cholesterol) also contribute to the atherosclerotic risk profile of the patient with chronic renal insufficiency. While there is growing understanding of the mechanisms involved in arteriosclerosis, atherosclerosis and vascular calcification in uremia, we are still missing effective therapeutic maneuvers for reduction of excess mortality in uremic patients.
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PMID:[Atherosclerosis and uremia: signifance of non-traditional risk factors]. 1277 74


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