UMLS:C0242339 - FACTA Search

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

Familial combined hyperlipidemia (FCHL) is the most frequent genetic lipid abnormality in humans, with a 5- to 10-fold increased risk of early myocardial infarction. Familial combined hyperlipidemia has been proposed as the leading cause of dyslipidemia in familial dyslipidemic hypertension (FDH). It was the objective of this study to quantify and analyze the simultaneous occurrence of hypertension and hyperlipidemia in FCHL families. We assessed blood pressure (BP) and hyperlipidemia in 27 families with FCHL (235 relatives and 140 spouses, aged 30 to 60 years). Hypertension was defined as a BP more than 140/90 mm Hg, or the use of antihypertensive medication. Multiple backward linear regression analysis was used to derive a biological formula describing BP in FCHL families. One-third of 27 FCHL families were diagnosed with FDH. Sixty-four of 235 (27.2%) relatives had dyslipidemic hypertension (DH), compared to 20 of 140 (14.3%) spouses (P = .005); odds ratio = 2.25 (95% confidence interval 1.29-3.91). Multiple linear regression analysis showed that age, FCHL status, and waist circumference significantly contributed to systolic blood pressure (SBP) in female FCHL relatives. In conclusion, in FCHL we defined age, waist circumference, and hyperlipidemia as predictors of SBP. This study indicates that visceral adipose tissue strongly contributes to the high prevalence of DH in FCHL families. Reduction of visceral fat should be tested as a potential therapeutic intervention for hyperlipidemia and hypertension in FCHL individuals.
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PMID:Familial dyslipidemic hypertension syndrome: familial combined hyperlipidemia, and the role of abdominal fat mass. 1133 82

Several studies shortly after the advent of coronary artery bypass surgery reported early atherosclerosis in saphenous vein grafts, and an association between dyslipidemia and graft occlusion. Lipid-lowering therapy in a number of trials resulted in reduced progression of atherosclerosis in vein grafts and fewer subsequent revascularization procedures. Presently, however, only a few patients are treated and reach target lipid levels. Percutaneous coronary interventions permit rapid relief of symptoms and ischemia, and return to full activity levels, but may not reduce the risk of death or nonfatal myocardial infarction in patients with chronic stable coronary artery disease. Whether optimal medical therapy, including aggressive lipid control, could decrease the need for some of these procedures is the subject of ongoing debate and research. Despite successful coronary artery revascularization, subsequent ischemic events continue to occur, supporting the requirement for successful secondary prevention interventions. Ultimately, optimal care of revascularization patients should include maximizing lipid profiles.
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PMID:Raising high-density lipoprotein cholesterol and lowering low-density lipoprotein cholesterol as adjunctive therapy to coronary artery revascularization. 1137 53

Coronary artery disease (CAD) is still a major cause of mortality in developed countries, and dyslipidemia is one of its major causes. In an attempt to reduce both mortality and morbidity from CAD, several dietary, pharmacological, and surgical approaches have been used to reduce plasma cholesterol levels. In this brief review, we summarize the evidence for cholesterol-lowering effects and safety of partial ileal bypass (PIB) procedure in both human and animal studies. The results of the Program on the Surgical Control of the Hyperlipidemias (POSCH), which involved a total of 838 subjects with myocardial infarction, are promising. A 5-year follow-up of this study revealed significant reductions of up to 27% in total cholesterol (TC) and up to 42% in low-density lipoprotein (LDL) cholesterol levels along with an increase of up to 8% in high-density lipoprotein (HDL) cholesterol levels as compared to controls. These changes were associated with other benefits such as increased HDL/TC and HDL/LDL ratios, and a significant decrease in apolipoprotein (apo) B100 and increase in apo AI levels. Similar results were also demonstrated by other studies. PIB surgery is one of the most effective methods for reduction of plasma cholesterol levels, particularly in patients with heterozygous familial hypercholesterolemia. This procedure is also applicable to treatment of sitosterolemia, a rare genetic disorder in which the absorption of plant sterols is abnormally high. Although no major complications of this method have been reported, more extensive studies are required to evaluate its long-term effects on renal and hepatic function. Similarly, long-term impact of this procedure on progression/regression of atherosclerotic lesions must be documented. Finally, indications for this procedure should be carefully considered, particularly in view of availability of other treatments of dyslipidemia.
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PMID:Surgical management of dyslipidemia: clinical and experimental evidence. 1139 22

The major goal in treatment of patients with dyslipidemia is to decrease the short- and long-term incidence of cardiovascular events, including myocardial infarction, unstable angina, stroke, and death. A second goal in patients with severe hypertriglyceridemia is to decrease the risk of acute pancreatitis. Improvement of the lipid profile can be achieved through a combination of aggressive lifestyle modification and effective drug therapy. Treatment should be tailored to the individual patient, based on the specific lipid abnormalities, the presence or absence of pre-existing coronary artery or other atherosclerotic vascular disease, and an assessment of overall cardiovascular risk.
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PMID:Dyslipidemia. 1144 64

The benefits of blood pressure lowering, lipid lowering, and glycemic control on morbidity and mortality have been established in major long-term clinical trials. The most extensive information is available for diuretics or beta-blockers in hypertension, hepatic hydroxymethyl glutaryl coenzyme A (HMG-CoA) reductase inhibitors (statins) in dyslipidemia, and insulin or sulfonylureas in diabetes. Other drug classes provide similar improvements in blood pressure, lipid profile, and glycemic control, and thereby might be expected to provide comparable long-term benefits. As a result, national guidelines advocate treating patients aggressively in order to achieve control of blood pressure low-density lipoprotein (LDL) cholesterol, and blood glucose. The risks associated with drug treatment are generally class-specific. Among antidiabetic agents, sulfonylureas and insulin are associated with risk for severe hypoglycemia, metformin with risk for lactic acidosis, and troglitazone with risk for idiosyncratic hepatocellular injury. Similarly, widely used antihypertensive and lipid-lowering agents are associated with risk for serious complications, such as angioedema with angiotensin-converting enzyme inhibitors, possible increased risk for myocardial infarction and cancer with calcium antagonists, and myositis and liver dysfunction with statins. Physicians must take an aggressive approach to patient management in order to achieve a level of disease control that optimally reduces risk for morbidity and mortality. Serious adverse events may occur rarely with most drug classes; these events can be minimized by appropriately monitoring or selecting patients for treatment.
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PMID:Safety of drugs commonly used to treat hypertension, dyslipidemia, and type 2 diabetes (the metabolic syndrome): part 1. 1146 7

Myocardial infarction is still one of the main causes of mortality and morbidity in Western countries. The advances made in the last 30 years have made it possible to reduce mortality significantly (which is currently below two digits) as well as morbidity. The subject of secondary prevention of myocardial infarction gains particular significance in this context since 10 to 15% of the patients who survive the hospital phase of myocardial infarction die during the first year following discharge and, of these deaths, half occur in the first three months. Therefore, it is necessary to make an early definition of the risk of another coronary event, that is, to make a risk stratification. This should occur throughout hospitalization and should be complete at the time of discharge, never beyond the first weeks of evolution. Bearing in mind the age, sex, coronary risk factors, ischemia persistence, the degree of left ventricular dysfunction and the presence of malignant disrhythmias, there are three risk levels: high; intermediate; and low. An overall approach to secondary prevention of infarction should take into account that, apart from the factors of such high prognostic value (Chapter II) assessed in the definition of risk groups, the measures to reduce reinfarction and sudden death (Chapter III) and the control of the risk factors for heart disease (Chapter IV) should also be considered. The principal late complications of infarction with significant prognostic influence are described in Chapter III: left ventricular dysfunction; rhythm disturbances and residual ischemia. The diagnostic criteria and therapeutic objectives are considered in each of the groups with relevance to consolidated advances according to the modern concept of evidence based medicine, according to international regulations. The grading of scientific evidence into three distinct categories (A, B and C), based on five levels of evidence classified from I to V, is presented accordingly in relation to the therapeutic proposals. Chapter III deals with a set of therapeutic interventions used in secondary prevention because they reduce reinfarction and sudden death: platelet antiaggregants; anticoagulants; Beta blockers; calcium channel blockers; antioxidants and nitrates. A concept of particular clinical significance is presented for each of these groups of drugs. The last part contains an eminently clinical overall review of the principal advances in coronary risk factor control, new therapeutic acquisitions in atherosclerotic disease with natural relevance to hypolipidemic agents and statins, which apart from controlling the plasmatic levels of cholesterol, also stabilize the atherosclerotic plaque and reduce acute coronary events significantly. Apart from dyslipidemia, the classic risk factors are: smoking; hypertension; obesity; diabetes and sedentary life. In each case, reference is made to the general measures and specific approaches, as well as the pharmacological therapy according to evidence based medicine. The recommended attitudes are pointed out. The role of cardiac rehabilitation and postmenopausal hormone replacement therapy are also discussed in the last part of these recommendations, in which the on-going controversy regarding hormone replacement therapy is pointed out in view of the results of more recent clinical trials.
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PMID:[Secondary prevention in acute myocardial infarction]. 1147 86

DE NOVO DIABETES AND CARDIOVASCULAR RISK: Certain kidney transplant recipients who develop de novo diabetes have an unfavorable cardiovascular risk profile, comparable to patients with type 2 diabetes mellitus, with advanced age, dyslipidemia, obesity and high blood pressure. MYOCARDIAL INFARCTION IN THE PERIOPERATIVE PERIOD: Among kidney transplant recipients, those whose risk factors include male gender diabetes, age over 50 years and prior revascularization procedure for coronary artery disease have a higher risk for myocardial infarction in the perioperative period. The usefulness of anticoagulant or beta-blockers as preventive treatment for these high-risk patients remains to be determined. HYPERLIPIDEMIA: A retrospective analysis of 530 kidney transplant recipients demonstrated that a very significant proportion of those with dyslipidemia are not receiving appropriate care although their lipid profile is indicative of a high or very high cardiovascular risk. MASSIVE PROTEINURIA: An angiotensin II inhibitor, losartan, has been found to be effective against massive proteinuria (> 3.5 g/l) occurring after kidney transplantation. CALCINEURIN-INHIBITOR-INDUCED HEMOLYTIC UREMIA SYNDROME: Five to ten percent of patients given calcineurin inhibitors develop a hemolytic uremia syndrome. Sirolimus appears to be a very interesting alternative for immunoprophylaxys against acute rejection.
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PMID:[Complications in kidney transplantation]. 1157 77

Three large, ongoing, international clinical trials will greatly improve our understanding of hypertension management. The trials, which include the INternational VErapamil SR/trandolapril STudy (INVEST), the Antihypertensive and Lipid Lowering Treatment to Prevent Heart Attack Trial (ALLHAT), and the Controlled ONset Verapamil INvestigation of Cardiovascular Endpoints (CONVINCE) trial, enrolled a combined total of 81,649 patients over a 7-year period from 18 different countries in North America, South America, Europe, and Australia-Asia. The mean age of all subjects was 66 years, and the mean body mass index (BMI) was 29.5. In addition, 30% of all patients had diabetes and 43% had documented coronary artery disease (CAD). In INVEST, 100% of enrolled patients had documented CAD and 27% had diabetes. Of patients treated for 12 months in INVEST, a systolic blood pressure (SBP) <140 mmHg was achieved by 70% of nondiabetics, and 66% of patients with diabetes achieved that level. Of all the patients enrolled in the three trials, 38% were smokers, 25% had a history of myocardial infarction (MI) or stroke, and 52% had a history of dyslipidemia. Although these clinical trials are likely to influence treatment guidelines, they may not affect the way medicine is practiced. A survey of primary care physicians found that 41% had not heard of or were not familiar with the Joint National Committee on Detection, Evaluation, and Treatment of High Blood Pressure (JNC VI) guidelines. The JNC VI and European guidelines provide management strategies based on severity of coronary risk factors, target organ damage, and blood pressure levels. Primary care physicians have a responsibility to be educated about risk stratification, goals of treatment based on risk, and management strategies for hypertension from available treatment guidelines.
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PMID:How will INVEST and other hypertension trials change clinical practice? 1171 73

Clinical data have established microalbuminuria/proteinuria as an independent risk factor for the development and progression of renal disease in patients with either diabetes or essential hypertension. Decreased kidney function is associated with increased cardiovascular risk, even at modest reductions in estimated creatinine clearance (to approximately 60 mL/min/1.73 m(2)) or modest elevations in serum creatinine (>1.4 mg/dL). Treatment with angiotensin-converting enzyme inhibitors has been shown in clinical trials to delay or stabilize the rate of progression of renal disease. Reduction in cardiovascular events, such as stroke and myocardial infarction, also has been shown in these high-risk individuals. These effects are dependent and independent of blood pressure control, suggesting a nonhemodynamic effect in blockade of the renin-angiotensin system. In conjunction with other therapeutic interventions, such as dietary modification and control of serum lipids, it appears that for at least a subgroup of patients it is possible to delay or prevent progression of kidney failure. There frequently is a clustering of risk factors in these individuals, including insulin resistance, salt sensitivity, hypertension, and dyslipidemia. The mechanism of the relationship between albuminuria and cardiovascular disease is unclear but may be related to endothelial cell dysfunction. Nonetheless, the presence of microalbuminuria/proteinuria as a marker for cardiovascular disease has important implications for the identification and treatment of individuals at risk.
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PMID:Metabolic pathogenesis of cardiorenal disease. 1172 77

Type 2 diabetes mellitus and impaired glucose tolerance are associated with antipsychotic treatment. Risk factors for type 2 diabetes and impaired glucose tolerance include abdominal adiposity, age, ethnic status, and certain neuropsychiatric conditions. While impaired glucose metabolism was first described in psychotic patients prior to the introduction of antipsychotic medications, treatment with antipsychotic medications is associated with impaired glucose metabolism, exacerbation of existing type 1 and 2 diabetes, new-onset type 2 diabetes mellitus, and diabetic ketoacidosis, a severe and potentially fatal metabolic complication. The strength of the association between antipsychotics and diabetes varies across individual medications, with the largest number of reports for chlorpromazine, clozapine, and olanzapine. Recent controlled studies suggest that antipsychotics can impair glucose regulation by decreasing insulin action, although effects on insulin secretion are not ruled out. Antipsychotic medications induce weight gain, and the potential for weight gain varies across individual agents with larger effects observed again for agents like chlorpromazine, clozapine, and olanzapine. Increased abdominal adiposity may explain some treatment-related changes in glucose metabolism. However, case reports and recent controlled studies suggest that clozapine and olanzapine treatment may also be associated with adverse effects on glucose metabolism independent of adiposity. Dyslipidemia is a feature of type 2 diabetes, and antipsychotics such as clozapine and olanzapine have also been associated with hypertriglyceridemia, with agents such as haloperidol, risperidone, and ziprasidone associated with reductions in plasma triglycerides. Diabetes mellitus is associated with increased morbidity and mortality due to both acute (e.g., diabetic ketoacidosis) and long-term (e.g., cardiovascular disease) complications. A progressive relationship between plasma glucose levels and cardiovascular risk (e.g., myocardial infarction, stroke) begins at glucose levels that are well below diabetic or "impaired" thresholds. Increased adiposity and dyslipidemia are additional, independent risk factors for cardiovascular morbidity and mortality. Patients with schizophrenia suffer increased mortality due to cardiovascular disease, with presumed contributions from a number of modifiable risk factors (e.g., smoking, sedentary lifestyle, poor diet, obesity, hyperglycemia, and dyslipidemia). Patients taking antipsychotic medications should undergo regular monitoring of weight and plasma glucose and lipid levels, so that clinicians can individualize treatment decisions and reduce iatrogenic contributions to morbidity and mortality.
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PMID:Hyperglycemia and antipsychotic medications. 1180 85

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