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Query: UMLS:C0028754 (obesity)
 124,988 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Surveys of the apparently healthy working population of the West of Scotland have revealed a high prevalence of hyperlipoproteinaemia (HIP). In males, type IV occurred more frequently (12%) than in females (3.3%), although obesity played an important part in this finding. HLP also occurred frequently (61%) in survivors of myocardial infarction (type II 39%, type IV 22%) but less frequently in peripheral vascular disease (38%), although there was a higher prevalence in females (47%) than males (32%) largely due to an increased prevalence of type IIa (29.5% cf 7.5%). HLP did not appear to play a significant role in cerebrovascular disease.
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PMID:The prevalence of hyperlipoproteinaemia in vascular disease. 21 84

Atherosclerosis is one of the most common causes of peripheral vascular disease. Complications result from arteries compromised because of focal accumulations of lipids and other materials within and between cells in the vessel walls. Factors including hyperlipidemia, hypertension, diabetes mellitus, obesity, physical inactivity, smoking, social stress, and genetic background have been implicated as promoting a higher risk of atherosclerosis and its consequences.
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PMID:Atherosclerosis: a major cause of peripheral vascular disease. 58 6

Hyperuricaemia and hyperlipidaemia (elevated fasting plasma cholesterol or triglycerides) were frequently found in 219 males and 63 females with peripheral vascular disease (PVD). The subjects were divided into sexes and the uric acid, cholesterol and triglyceride concentration adjusted for the effects of age and obesity by multiple regression analysis. Followig this no significant relationship was found between uric acid and cholesterol or triglyceride. When the males with PVD were divided into lipoprotein types it was found that those who were normo-lipoproteinaemics or who had type IV hyperlipoproteinaemia (HLP) had a significantly higher mean uric acid level. The other types had a mean uric acid concentration similar to that found in 25 healthy normolipoproteinaemic males. The discrepancy between this result and the lack of correlation between uric acid and triglyceride noted above is presumably due to the complex effects of age and obesity. In the females no significant increase in the mean uric acid concentration was found in any of the lipoprotein groups.
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PMID:Relationship of plasma uric acid to plasma lipids and lipoproteins in subjects with peripheral vascular disease. 95 15

In a controlled study on 121 patients with peripheral vascular disease (PVD) (75 patients with primary hyperlipoproteinemia, 15 diabetics, 31 patients without metabolic disease) the relationship between risk factors (hyperlipoproteinemia, obesity, hypertension, abnormal glucose tolerance, smoking) and the degree and localisation of sclerotic lesions was investigated by angiography. The degree was directly related in all patients to the number of risk factors, in Type IIa to cholesterol levels, in diabetics and Type IV with abnormal glucose tolerance to age. The latter patients were 5-10 years older than patients with Type IIa and showed 2 or more additional risk factors. The sclerotic lesions affected in Type IIa, less in Type IIb, predominately the pelvic vessels. Diabetics and Type IV patients showed a distal arterial involvement. The difference was significant. The degree of sclerotic lesions in arteries of the pelvis and the distal lower limb was positively correlated with the cholesterol-triglyceride ratio. Smoking aggravated the pelvic lesions in Type IV. Hypertension lead to more pronounced lesions of the distal lower limb in Type II. S-shaped tortuosities of the big vessels were shown to be typical, independent of localisation or degree.
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PMID:Primary hyperlipoproteinemias as risk factors in peripheral artery disease documented by arteriography. 119 76

The insulin response to an oral glucose load (100 gm.) in 127 patients with a previous myocardial infarction (MI) (six months to one year) and in 65 patients with surgically treated or arteriographically identified peripheral vascular disease (PVD) was compared with that of 89 controls after matching the three collectives for age, glucose tolerance, and per cent ideal body weight (% IBW). The insulin response was of greater magnitude in MI and PVD groups than in respective control groups also in the absence of hyperglycemia, hypertriglyceridemia, and obesity. This finding suggests that hyperinsulinism may represent an early metabolic alteration associated with the development of MI and PVD. The insulin secretion pattern was prevalently of the delayed type in association with impaired glucose tolerance and with hypertriglyceridemia but not with overweight. Correlations between serum insulin, triglyceride (TG) levels, and % IBW were also investigated. We found a strong correlation (p less than 0.001) between stimulated insulin levels and % IBW in MI patients and none in PVD patients; conversely, the correlation between serum insulin and TG levels was very high (p less than 0.001) in PVD patients and only weak (p less than 0.05) in MI patients. No correlation was found between cholesterol (CH) levels and any of the other parameters studied. According to these results, it seems likely that hyperinsulinism plays a major role as a closely associated factor to obesity in those subjects who develop an MI, whereas in PVD patients the raised insulin levels may favor lipid accumulation in the arterial intima and accelerate the progress of atherosclerosis.
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PMID:Insulin response to oral glucose in patients with a previous myocardial infarction and in patients with peripheral vascular disease. Hyperinsulinism and its relationships to hypertriglyceridemia and overweight. 127 7

In recent decades, non-insulin dependent diabetes mellitus (NIDDM) has become a major public health problem in several parts of the world. A complex disorder, NIDDM is associated with an increased risk of blindness, coronary heart disease, peripheral vascular disease, and kidney failure (1). The epidemiology of NIDDM is providing new insights into many aspects of this disease, including prevalence, incidence, morbidity, and mortality (2). My objective is to explain the high prevalence of a NIDDM susceptible genotype(s) in several distinct populations: American Indians, Australian Aborigines, and Pacific Islanders. The susceptible genotype may have been selected into these populations because of unusually frequent food shortages that occurred during the initial colonization of 'new worlds'. NIDDM has been shown to have a strong genetic component (3) that may include a 'thrifty' genotype(s) (4,5). The 'thrifty' genotype(s) may have once allowed founding populations to survive feast' and 'famine' conditions for several generations. With an assured food supply and a sedentary lifestyle, however, the 'thrifty' genotype(s) becomes disadvantageous, leading to obesity, increased insulin resistance, beta cell decompensation, and NIDDM (3,6).
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PMID:Archaeology and the "thrifty" non insulin dependent diabetes mellitus (NIDDM) genotype. 136 87

Patients with diabetes mellitus are at increased risk of morbidity and mortality from macrovascular disease manifesting as coronary heart disease, cerebrovascular accidents, and peripheral vascular disease. Increased frequency of dyslipidemia, hyperglycemia, obesity, hypertension, and associated nephropathy may contribute to accelerated atherogenesis in diabetic patients. Therefore, besides intensive control of hyperglycemia, management of dyslipidemia, hypertension, and obesity should also be emphasized in diabetic patients. Those who smoke should be strongly encouraged to quit smoking. Besides attempts to achieve normal levels of plasma lipoproteins, consideration also should be given to normalization of compositional abnormalities of various lipoproteins in patients with diabetes mellitus. The therapeutic goals for cholesterol reduction should be lower in diabetic patients than nondiabetic subjects. The first step is to achieve good metabolic control of diabetes mellitus by diet, exercise, and weight reduction and, if needed, with sulfonylureas or insulin therapy. Because most of the patients with insulin-dependent diabetes mellitus achieve normal levels of plasma lipoproteins with intensive insulin therapy, lipid-lowering medications are rarely needed. In patients with non-insulin-dependent diabetes mellitus, however, dyslipidemia often persists despite good glycemic control. Lipid-lowering medications should be considered in such patients. Because nicotinic acid can cause marked deterioration in glycemic control, and bile acid-binding resins may accentuate hypertriglyceridemia, these agents are less desirable for use by diabetic patients. Inhibitors of hydroxymethylglutaryl coenzyme A reductase may be preferred in patients with elevated LDL cholesterol and mld hypertriglyceridemia. For diabetic patients with marked hypertriglyceridemia, however, fibric acid derivatives should be the drug of choice.
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PMID:Lipid-lowering therapy and macrovascular disease in diabetes mellitus. 152 29

The intra-aortic balloon pump (IABP) has been used for 23 years to treat cardiogenic shock from various causes. A retrospective review was conducted to evaluate the morbidity, mortality, and risk factors associated with insertion of this device. Over a recent 3-year period, 415 such pumps were inserted either by percutaneous (323) or cut-down (92) technique in 404 patients. Indications for placement included intraoperative pump failure (46%), cardiac instability before coronary artery bypass grafting (28%), perioperative support (13%), cardiac transplantation (7%), and cardiogenic shock (6%). Noncardiac vascular complications occurred in 67 patients, 55 per cent of whom required surgical correction. Operative procedures included femoral artery thrombectomy, bypass grafting, fasciotomy, and amputation. Major risk factors for vascular complications included diminished or absent femoral pulses on initial examination, being a woman, and obesity. In patients with known peripheral vascular disease, the risk of a vascular complication was 17.9 per cent when a surgical cut-down technique was used to insert the IABP, and 38.9 per cent when a percutaneous insertion was performed. The mortality doubled in those patients who had a vascular complication as compared to those who did not (34% vs 17%). A more liberal use of an open surgical technique in those patients with peripheral vascular disease, obesity, and who are women may help to reduce complications after the insertion of the intra-aortic balloon pump.
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PMID:Vascular complications following intra-aortic balloon pump insertion. 158 81

In a 4-year period, 84 patients who were referred for a dipyridamole thallium-201 stress test to rule out significant coronary artery disease had normal scans. A dipyridamole study was recommended instead of exercise because of arthritis, severe obesity, peripheral vascular disease, pulmonary disease, other chronic illnesses, or combinations of these problems. All patients had three-view (i.e., anterior, shallow left anterior oblique, and steep left anterior oblique) planar thallium-201 imaging 10 minutes and 3.5 hours after administration of 0.6 mg/kg of intravenous dipyridamole. The patients were followed for 42 +/- 13 (range 1-58) months to document the cardiac event rate. Of the 84 patients with normal results, 14 died during the follow-up period from noncardiac causes. Three other patients died 29-51 months after the test due to an acute myocardial infarction, a probable acute myocardial infarction, and sudden cardiac death, respectively. Of the survivors, 5 suffered an acute myocardial infarction 28-50 months after the dipyridamole thallium scan and 1 had coronary artery bypass grafting due to increasing angina pectoris 58 months after the scan (overall cardiac event rate of 0.4% per year). Of the remaining 61 patients, 39 (64%) were asymptomatic, 20 (33%) had the same symptoms they had at the time of testing without significant deterioration, while 2 patients (3%) had deterioration of their chest pains but no cardiac complication. Thus, in this group of patients, a normal dipyridamole thallium-201 perfusion scan predicted a good cardiovascular outcome for at least 24 months following the test.
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PMID:Long-term prognostic value of a normal dipyridamole thallium-201 perfusion scan. 184 Oct 22

By use of noninvasive tests (Doppler segmental pressure study, supraorbital Doppler flow analysis, and segmental plethysmography), coexistent carotid (CTD) or lower extremity peripheral vascular disease (PVD) were diagnosed and correlated with subjective symptoms, coronary risk factors (CRFs), coronary arteriograms (CAGs), cardiac hemodynamics, and infarct size in 121 consecutive patients with documented coronary artery disease (CAD). PVD was found in 16.5%, CTD in 33.1%, and both PVD and CTD in 9.9% of the patients studied; 20% of PVD patients and 47.5% of CTD patients were asymptomatic with respect to coexistent PVD or CTD. There were no significant differences between the presence or absence of PVD or CTD as regards number of CRFs, Killip classification, cardiac hemodynamics, or number of stenotic coronary arteries. However, serum creatine kinase (CK) and CKMB release curves in the PVD group showed significantly higher peak CK and peak CKMB values than those in the PVD(-) group (4096 +/- 5408/282 +/- 263 vs 1706 +/- 1715/179 +/- 186, p less than 0.05) because of the higher prevalence (100%) of multivessel disease on CAG. Investigation of the relationship of CRFs to coexistent PVD revealed that the smoking ratio in men (86.7%) and the hypertension ratio in women (80%) were extremely high in PVD patients, and statistically significant differences between PVD(+) patients and PVD(-) groups were found with respect to the obesity ratio (p less than 0.05) in men and the hypercholesterolemia ratio (p less than 0.05) and obesity ratio (60%, p less than 0.05) in women.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:Clinical features and coronary backgrounds of coexistent peripheral vascular disease in Japanese coronary artery disease patients. 195 77


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