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Query: UMLS:C0028754 (obesity)
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Hypertension is a highly prevalent disease and a strong risk factor for cardiovascular disease in industrialized countries in Europe and North America. About 40-50% of hypertensive patients have some other cardiovascular risk factors as smoking, dyslipidemia, glucose intolerance, metabolic syndrome and diabetes. The realization of optimal therapy of these patients is a difficult task, and reaching target blood pressure values is almost impossible by monotherapy. It was realized that the simultaneous normalization of blood pressure and that of abnormal lipid profile with 2-3 or more drugs have great importance for preventing atherosclerotic complications.We started an open-formed study with about 1000 hypertensive patients complicated with dyslipidemia, visceral obesity, metabolic syndrome and diabetes type 2. The base of our therapeutic strategy was a typical poly-pharmacologic treatment with ACE inhibitor (lisinopril), calcium antagonist (amlodipine), statin (atorvastatin) and antiplatelet therapy (if it was necessary).
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PMID:[Combined antihypertensive and antilipemic therapy as one of the pillars in the poly-pharmacologic preventive strategy for patients with high cardiovascular risk]. 1880 71

The metabolic syndrome, also known as the cardiometabolic syndrome (CMS), is a state of metabolic and vascular dysregulation that is associated with activation of the renin-angiotensin-aldosterone system (RAAS). Clinical components of the CMS include central or visceral obesity, hypertension (HTN), dyslipidemia, insulin resistance/hyperinsulinemia, and microalbuminuria that collectively convey increases in oxidative stress, inflammation, and subsequent endothelial dysfunction. The cardio-renal inflammation and oxidative stress enhanced in the CMS increases the risk for cardiovascular disease (CVD) and renal disease end-points such as stroke, congestive heart failure, and chronic kidney disease (CKD). The development of proteinuria is known to herald progressive kidney disease (e.g. CKD) and both are now well accepted as CVD risk factors. Evidence suggests a role for visceral obesity, insulin resistance/hyperinsulinemia, HTN, and other components of the CMS lead to an increased risk for proteinuria and progressive loss of renal function. Intervention with agents that block the RAAS (e.g. ACE inhibitors and Angiotensin type 1 receptor blockers) have been shown to reduce proteinuria, CKD progression, and CVD events. Herein, we will examine the relationship between RAAS intervention and reductions in CKD and CVD events.
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PMID:Renin-angiotensin-aldosterone system intervention in the cardiometabolic syndrome and cardio-renal protection. 1912 93

Increasing lifespan and progressive aging of the Polish population results in rising demands on health care. Chronic diseases with a leading position of arterial hypertension (HA) prevail in morbidity rates of adult seniors. The aim of the study is to characterize hypertension in the elderly with regard to other risk factors, complications and therapeutic control. The study was carried out in 2002 within the framework of the CINDI WHO Programme. A total of 1460 persons were randomly selected among residents of Lodz aged > or = 65 years. The response rate was 57%. All participants underwent questionnaire interview, two blood pressure (BP) measurements, anthropometric and physical examination, ECG and laboratory tests. After final verification, we analysed data collected from 828 persons (289 men and 539 women). Mean values of systolic and diastolic BP were 147.6 and 83.6 mmHg, respectively. The increase of systolic BP with age of studied seniors was observed. Hypertension was diagnosed in 669 persons (79% men, 82% women). In most cases there were systolic-diastolic or isolated systolic hypertension. About 60% of seniors with elevated BP declared suffering from HA, while 73% were under antihypertensive treatment. Normalization of BP (< 140/ 90 mmHg) was achieved in 28% of treated patients. Most often prescribed medications were: ACE-inhibitors (51%), beta-blockers (40%), calcium channel blockers (31%) and diuretics (30%). Mean values of plasma lipids and prevalence of lipid disorders were comparable in hypertensive and normotensive persons. Among patients with HA there were significantly smaller percentage of smokers (8.6% vs 18.7%, p < 0.05). The prevalence of obesity, visceral obesity and metabolic syndrome was higher in hypertensive seniors. As a result, incidents of myocardial infarction and morbidity due to coronary artery disease were twice as cantly more often hospitalised and visited family doctors (7 vs 4.6 visits/year) in comparison to normotensive subjects.
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PMID:[Arterial hypertension as a medical and social problem in the older urban population. The CINDI WHO Program study]. 1944 75

Diabetes mellitus and hypertension frequently coexist in patients with the insulin resistance syndrome (IRS). Patients with both diabetes and hypertension typically have widespread endothelial dysfunction, increased oxidative stress, an activated sympathoadrenal system, and an elevated systemic burden of inflammatory mediators. Patients with diabetes and hypertension also have concomitant mixed dyslipidemia and obesity with significant frequency, and are at high risk for the development of macro- and microvascular disease, congestive heart failure, and nephropathy. Current data suggest that ACE inhibitors or angiotensin receptor blockers with or without a diuretic are important, if not preferred, initial therapies for the patient with diabetes and hypertension. Other drug classes such as combined alpha-/beta-adrenoceptor antagonists, dihydropyridine calcium channel antagonists (CCAs), and peripheral alpha-adrenoceptor antagonists are also useful therapeutic options in these patients. In order to optimally reduce the risk for cardiovascular events in the patient with diabetes and hypertension, optimal BP control should be coupled with comprehensive lifestyle modification and aggressive management of dyslipidemia and hyperglycemia.
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PMID:A guide to the management of blood pressure in the diabetic hypertensive patient. 1946 21

Kidney transplantation is the treatment of choice for patients with end-stage renal disease. Despite improvements in short-term patient and graft outcomes, there has been no major improvement in long-term outcomes. The aim of this study was to determine the prevalence of cardiovascular risk factors, such as hypertension, dyslipidemia, diabetes, chronic kidney disease, and obesity, and the impact of their control among 526 stable renal transplant recipients according to the guidelines in the general population. Mean blood pressure was 133 +/- 16/81 +/- 9 mm Hg. The proportion of patients on antihypertensive therapy was 75%, and on ACE inhibitors or angiotensin II receptor blockers, 26%. The mean cholesterol, low-density lipoprotein (LDL), high-density lipoprotein (HDL), and triglycerides were 195 +/- 41, 115 +/- 32, 51 +/- 17, and 137 +/- 75 mg/dL, respectively. The proportion of patients on statin treatment was 49.7%, and those with body mass indices between 25 and 30, 30 and 35, and >35 kg/m(2) were 35%, 15%, and 4%. We observed a high prevalence of chronic kidney disease, hypertension, dyslipidemia, and obesity among renal transplant patients. Suboptimal control was frequent and control of some of these complications was far below targets established for nontransplant patients despite progressive intensification of therapy with functional graft decline. The findings of this study may have an impact on the management of renal transplant recipients.
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PMID:Chronic renal disease in renal transplant patients: management of cardiovascular risk factors. 1954 97

Non-immunological factors in the progression of kidney disease in transplant patients are the following: high blood pressure, proteinuria, dislypidemia, etc. 1. Arterial hypertension treatment: Blood pressure must be measured periodically in all transplant patients. Similarly to native kidneys, in renal transplant patients arterial hypertension is a risk factor in the progression of kidney disease. Arterial hypertension represent a clinical marker of chronic allograft nephropathy and contributes to graft loss and to the morbid- mortality of these patients (Evidence level C). Blood pressure control should be < 130/80 mm Hg for renal transplant patients without proteinuria and 125/75 mm Hg for proteinuric patients (> 1 g/24 hours). Hypertension and proteinuria are frequently associated in the same patients, a global treatment of both seems more rational (Evidence level C). General measures should be instigated first with pharmacological therapy. All antihypertensive drugs are useful in renal transplant patients and the majority of patients will need two or more drugs. In proteinuric patients an angiotensin receptor antagonist or an ACE-inhibitor should be initiated. It is advisable to monitor the serum potassium and creatinine after the start of this drugs or during the treatment periodically, especially in patients with chronic kidney disease stage IV-V. 2. Proteinuria treatment: Proteinuria has been strongly correlated with reduced function and graft survival. Lowering proteinuria to values as near to normal as possible (< 0.5 g/24 hours). To reduce proteinuria, an angiotensin receptor antagonist, an ACE-inhibitor or a combination of both are required, with serum potassium or creatinine monitoring, especially in patients with chronic kidney disease stage IV-V. 3. Dyslipidemia treatment: For kidney transplant recipients the assessment of dyslipidemias should include a complete fasting lipid profile with total cholesterol, LDL, HDL, and triglycerides. Evidence from the general population indicates that treatment of dyslipidemias reduces cardiovascular disease and evidence in kidney transplant patients suggests that judicious treatment can be safe and effective in improving dyslipidemia. Therapeutic goal must be LDL < 100 mg/dl. (Evidence level C). 4. Others: Cigarette smoking, glucose intolerance or diabetes control and obesity should be assessed.
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PMID:[Progression factors in chronic kidney disease. Non-immunological mechanisms]. 1967 57

Cardiovascular diseases (CVD) are the leading cause of mortality in Croatia and in Europe. Primary prevention of CVD involves intervention before the onset of disease, and prevention of modifiable risk factors, i.e. cigarette smoking, hyperlipidemia, arterial hypertension, diabetes mellitus, inactivity, obesity. These risk factors are strongly associated and lead to impaired vascular endothelial function, chronic injury of endothelium, platelet activation and aggregation, atherosclerotic plaque formation, and in the end manifestation of CVD. The risk of any coronary event increases exponentially when two or more risk factors are present. Aside from conventional factors, it has been demonstrated that raised levels of C-reactive protein (CRP), cytokines, homocysteine and fibrinogen are also important promotors of the disease, pointing to partially inflammatory nature of coronary atherosclerosis. The effects of risk factors such as smoking, arterial hypertension and hyperlipidemia on vascular endothelium are proven to be reversible. According to Guidelines on Cardiovascular Disease Prevention in Clinical Practice of the European Society of Cardiology (2007), population is advised to follow the formula 0 3 5 140 5 3 0. It suggests that crucial measures in preserving cardiovascular health are as follows: no smoking (0), walking 3 km daily or 30 minutes of any moderate activity (3), blood pressure less than 140 mm Hg systolic (140), total blood cholesterol less than 5 mmol/L (5), LDL cholesterol less than 3 mmol/L (3), avoidance of overweight and diabetes (0). There are many studies proving the beneficial effects of statins and ACE inhibitors in improving endothelial function and endorsing primary prevention.
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PMID:[Primary prevention of cardiovascular disease]. 1968 67

The metabolic syndrome was initially described as an insulin-resistance syndrome characterized by the clustering of metabolic traits such as high triglycerides, low high-density lipoprotein cholesterol, high blood pressure, abdominal obesity and different degrees of impaired glucose regulation. Although different definitions have been developed by various consensus groups, epidemiological studies demonstrate that they all associate the metabolic syndrome with a similar cardiometabolic risk, which is high for diabetes (ranging between three- and 20-fold), depending on the number of components and the inclusion of impaired fasting glucose, impaired glucose tolerance or both. The latter appear to indicate the failure of the beta cell to produce enough insulin to compensate for the increased demand due to insulin resistance. There is a hyperbolic relationship between insulin production and insulin sensitivity, which can be calculated by the disposition index. When this is altered there is a higher risk of developing Type 2 diabetes. There have been no clinical trials in subjects selected by the diagnosis of metabolic syndrome, but structured lifestyle changes have been tested in people with impaired fasting glucose/impaired glucose tolerance and have been able to reduce incident Type 2 diabetes by almost 50%, as long as a weight loss of at least 5% is achieved. Oral antidiabetic and anti-obesity drugs have also been successful to a lesser degree. Some fibrates have reduced or delayed incident diabetes. Extended-release niacin has a neutral effect and statins are controversial. ACE inhibitors and ARBs are the antihypertensive agents least associated with incident diabetes.
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PMID:Metabolic syndrome as a risk factor for diabetes. 2022 18

This paper considers the role of putative adipokines that might be involved in the enhanced inflammatory response of human adipose tissue seen in obesity. Inflammatory adipokines [IL-6, IL-10, ACE, TGFbeta1, TNFalpha, IL-1beta, PAI-1, and IL-8] plus one anti-inflammatory [IL-10] adipokine were identified whose circulating levels as well as in vitro release by fat are enhanced in obesity and are primarily released by the nonfat cells of human adipose tissue. In contrast, the circulating levels of leptin and FABP-4 are also enhanced in obesity and they are primarily released by fat cells of human adipose tissue. The relative expression of adipokines and other proteins in human omental as compared to subcutaneous adipose tissue as well as their expression in the nonfat as compared to the fat cells of human omental adipose tissue is also reviewed. The conclusion is that the release of many inflammatory adipokines by adipose tissue is enhanced in obese humans.
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PMID:Release of inflammatory mediators by human adipose tissue is enhanced in obesity and primarily by the nonfat cells: a review. 2050 43

The worldwide prevalence of obesity and its associated metabolic and cardiovascular disorders has risen dramatically within the past 2 decades. Our objective is to review the mechanisms that link obesity with altered kidney function. Current evidence suggests that excess weight gain may be responsible for 65-75% of the risk for arterial hypertension. Impaired renal pressure natriuresis, initially due to increased renal tubular sodium reabsorption, is a key factor linking obesity with hypertension. Obesity increases renal sodium reabsorption by activating the renin-angiotensin and sympathetic nervous systems, and by altering intrarenal physical forces. Adipose tissue functions as an endocrine organ, secreting hormones/cytokines (e.g., leptin) which may trigger sodium retention and hypertension. Additionally, excess visceral adipose tissue may physically compress the kidneys, increasing intrarenal pressures and tubular reabsorption. Eventually, sustained obesity via hyperinsulinemia, due to resistance to insulin, causes hyperfiltration, resulting in structural changes in the kidneys--glomerular hyperthrophy and occasionally focal segmental glomerulosclerosis. The consequences of kidney injury are continuous loss of glomerular filtration rate, further increase of arterial pressure and escalation of cardiovascular morbidity and mortality. There is a growing awareness of the renal consequences of obesity, and considerable progress is being made in understanding its pathophysiology. Weight reduction results in lowered proteinuria. Aside from low sodium diet and exercises, more widespread use of renoprotective therapy (e.g., ACE inhibitors and statins) in treatment of hypertension in obese subjects should be advocated. Renal protection should result in reducing the cardiovascular complications of obesity.
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PMID:Renal consequences of obesity. 2088 59

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